KAGOSHIMA UNIVERSITY RESEARFCH CENTER
FOR THE PACIFIC ISLANDS

㮵ඣᓥ኱Ꮫᅜ㝿ᓥᕋᩍ⫱◊✲ࢭࣥࢱ࣮༡ኴᖹὒᾏᇦㄪᰝ◊✲ሗ࿌㸦ࣂࢵࢡࢼࣥࣂ࣮㸧OCCASIONAL PAPERS (BACK NUMBER)

No. 28 Tropical Fisheries (Japanese)
No. 29 Modern Japan’s “Nanpo Kan’yo” (Participation towards the South) (Japanese)
No. 30 The Progress Report of the 1995 Survey of
the Research Project, “Man and the Environment in
Micronesia” (English)

No. 42 The Progress Report of the 2002-2004 Survey of the Research Project “Social Homeostasis of
Small Island in an Island-Zone”: Interdisciplinary
Approach to Satsunan Islands Focussing on Yoron
Island (Japanese/English)
No. 43 Islam in Contemporary Southeast Asia (Japanese)

No. 31 Invitation to the South Pacific: Selected
Lecture Notes from the Kagoshima University Research Center for the South Pacific Public Lecture
Series 1994-1997 (Japanese)

No. 44 The Future of Shimauta (Japanese)

No. 32 Foraminifera as Indicators of Marine Environments in the Present and Past (Japanese)

No. 46 A Research Project for Sensor Zone Setting
on Kagoshima Chain Islands from South to North
for Cultural and Environmental Transition (Japanese)

No. 33 Islands and Information Society (Japanese/
English)No. 34 The Progress Report of the 1999 Survey of
the Research Project “Social Homeostasis of Small
Islands in an Island-Zone” Yap Proper, Micronesia
and Islands in Southern Japan (Japanese/English)
No. 35 “The Power of Place” of the Areas at the
Boundary between Land and Sea: The Viewpointfrom Southern Kyushu and the Southerly Islands(Japanese)
No. 36 Health and Medical Issues in Island Areas(Japanese/English)
No. 37 Researching Eruption Clouds of Volcanic
Island Chains (Japanese/English)
No. 38 The Progress Report of the 2000 and 2001
Survey of the Research Project “Social Homeostasisof Small Island in an Island-Zone” Islands in Southern Japan (Japanese/English)
No. 39 The Progress Report of the 2000 and 2001
Survey of the Research Project “Social Homeostasisof Small Island in an Island-Zone” Yap Proper andUlithi Atoll, Micronesia (English)
No. 40 Institutions in the Making: An Interdisciplinary Study on Social Life and Economy of the Philippine Local (Japanese)
No. 41 “Symbiosis” of Human Being and Nature in
the South Pacific Islands (English)

No. 45 Innovation of Education in Remote Islands
to Affect a Request of the Present Age (Japanese)

No. 47 Global Warming and Pacific Islands (English/Japanese)
No. 48 Climate Changes and Globalization: Environment and People’s Life in the Pacific Islands(English)No. 49 Strategy on the Asian-Pacific Islands andKagoshima: Center-Periphery, Interdisciplinary andInternational Contribution (Japanese)
No. 50 Re-Opening as “The Center for Island Studies Education and Research”, Symposium: “Nesia
Empowerment” Developing Island Futures (Japanese/English)
No. 51 Interdisciplinary Research in the Small Islands, Subtropical Zone (Japanese)
No. 52 The Development towards Affluent and Homeostatic Kagoshima Islands (Japanese)
No. 53 Research on the Influence of Globalization
and Global Warming on Life in Chuuk Atoll (English)
No. 54 New Horizon of Island Studies in the
Asia-Pacific Region (English)
No. 55 Challenge of Integrated Disciplinary Research: Natural Resource Uses in the Pacific Islands(Japanese/English)

KAGOSHIMA UNIVERSITY RESEARCH CENTER
FOR THE PACIFIC ISLANDS
༡ኴᖹὒᾏᇦ◊✲ㄪᰝሗ࿌ NO.56㸦2015 ᖺ 3 ᭶㸧
OCCASIONAL PAPERS NO.56㸦March 2015㸧ᖹᡂ 26 ᖺᗘᏛ㛗⿢㔞⤒㈝࣭◊✲ࢥ࢔ࣉࣟࢪ࢙ࢡࢺ㸦ᓥᕋ㸧㸫ᅜෆእᓥᕋᆅᇦ࡟࠾ࡅࡿ⮬❧ⓗⓎᒎ࡟ᐤ୚ࡍࡿ◊✲ࡢ᥎㐍㸫

Report of the 2014 Survey of the Research Project(Presidential Discretionary Fund for Island Studies)᱓ཎᏘ㞝࣭ᑎ⏣❳ኴ࣭Ἑྜ ῱࣭ᒣᮏ᐀❧⦅
Edited by KUWAHARA Sueo, TERADA Ryuta,
KAWAI Kei and YAMAMOTO Sota

㮵ඣᓥ኱Ꮫᅜ㝿ᓥᕋᩍ⫱◊✲ࢭࣥࢱ࣮KAGOSHIMA UNIVERSITY RESEARCH CENTER
FOR THE PACIFIC ISLANDS

iⅰ

ࡣࡌࡵ࡟
ᓥࡣᾏ࡟ᅖࡲࢀࠊ⊃㝼ᛶࠊ⬤ᙅᛶ࡜࠸࠺≉ᚩࢆᣢࡕࠊࡑࡇ࡟ࡣ⊂⮬ࡢ⮬↛ࠊᩥ໬ࠊ♫఍⤒῭ࢩࢫࢸ࣒ࡀᏑᅾࡋ࡚࠾ࡾࠊ
ࠕᓥࡣࡦ࡜ࡘࡢୡ⏺ࠖ࡜ᤊ࠼ࡿࡇ࡜ࡀ࡛ࡁࡲࡍࠋ
ࡲࡓࠊᆅ⌫ ᬮ໬ࡸ⤒῭ࡢࢢ࣮ࣟࣂࣝ໬࡞࡝ࠊ⮬↛ࡸ♫఍⎔ቃࡢኚືࡢ࠺ࡡࡾࡀ
ᑠᓥᕋ࡟኱ࡁ࡞ᙳ㡪ࢆཬࡰࡋ࡚࠸ࡿࡇ࡜ࡣࠊᾏỈ㠃ࡢୖ᪼ࡀᅜᅵᏑஸࡢ༴ᶵ࡟ࡘ࡞
ࡀࡿ༡ኴᖹὒㅖᅜࡢ౛࠿ࡽࡶ᫂ࡽ࠿࡛ࡍࠋᓥࡣᵝࠎ࡞⎔ቃኚືࡢᙳ㡪ࢆᙉࡃ㎿㏿࡟
ཷࡅࡿᆅᇦ࡛࠶ࡿࡓࡵࠊࠕᓥࡣୡ⏺ࡢ⦰ᅗࠖ࡜ࡶ⪃࠼ࡽࢀࡲࡍࠋࡘࡲࡾࠊୡ⏺ࡀ
ᢪ࠼ࡿᵝࠎ࡞⎔ቃኚື࡟ᑐࡍࡿᙳ㡪ࢆ᥎ᐹࡋࠊࡑࡢ㐺ᛂ⟇ࢆᥦゝࡍࡿሙᡤ࡜ࡋ࡚ࠊ
ࠕᓥᕋࠖᇦࡣ᭱㐺࡞ᆅᇦ࡜࠸࠼ࡲࡍࠋ
ᅜ㝿ᓥᕋᩍ⫱◊✲ࢭࣥࢱ࣮㸦ᓥᕋ◊㸧࡛ࡣࠕᓥࡣ୍ࡘࡢୡ⏺ࠖࡢࢸ࣮࣐ࡢࡶ࡜࡟
ᖹᡂ 26 ᖺᗘᓥᕋ◊ࣉࣟࢪ࢙ࢡࢺ࡜ࡋ࡚኱㝮ㅖᓥ࡜࣑ࢡࣟࢿࢩ࢔㐃㑥࣏ࣥ࣌࢖ᕞࢆ
ᑐ㇟࡟ࠊᑓ௵ᩍဨ࡜වົᩍဨࡀཧຍࡋࠊᏛ⾡⥲ྜㄪᰝࢆ⾜࠸ࡲࡋࡓࠋࡑࡋ࡚ࠊ኱㝮ㅖᓥㄪᰝ࡟ࡘ࠸࡚ࡣᖹᡂ 27 ᖺ 2 ᭶ 23 ᪥࡟ሗ࿌఍ࢆ⾜࠸ࡲࡋࡓࠋ
ࡲࡓࠊࢩ࣏ࣥࢪ࣒࢘ࠕᓥࢆ⤖ࡪᏛࡧ࡜㐃ᦠ㸫ᆅඖᏛ࡜ᓥᕋᏛࡢྠ᫬ᒎ㛤㸫࡛ࠖࡣື⏬ࢧ࢖ࢺࢆ฼⏝ࡋ࡞ࡀࡽࠊྛᓥࠎ࡜ࢆࡘ࡞ࡂᵝࠎ࡞ၥ㢟࡟ࡘ࠸࡚✵㛫ࢆ㉺࠼࡚㆟ㄽࢆ⾜࠸ࠊᑗ᮶ࡢᓥᕋࡢⓎᒎ࡟ࡘ࠸࡚ࡢ᪉ྥᛶࢆ⪃࠼ࡿࡇ࡜ࡀ࡛ࡁࡲࡋࡓࠋ
ᮏࢩ࣏ࣥࢪ࣒࢘ࡣ✀Ꮚᓥ࡟࠾࠸࡚⾜࠺ணᐃ࡛ࡋࡓࡀࠊྎ㢼ࡀ✀Ꮚᓥࢆ┤ᧁࡍࡿྍ⬟ᛶࡀ㧗ࡃ࡞ࡾࠊᛴ㑉㮵ඣᓥ኱Ꮫ࡟࠾࠸࡚⾜࠸ࡲࡋࡓࠋࡋ࠿ࡋࠊከࡃࡢ᪉࡟ཧຍࡋ࡚
࠸ࡓࡔࡁࠊཧຍ⪅࡜ྛᓥࠎࡢ᪉ࠎࡢ⇕࠸㆟ㄽࡀᕳࡁ㉳ࡇࡾ㠀ᖖ࡟᭷┈࡞ࡶࡢ࡜࡞ࡾ
ࡲࡋࡓࠋᮏሗ࿌᭩ࡣࡇࢀࡽ◊✲࡜ࢩ࣏ࣥࢪ࣒࢘ࡢᡂᯝሗ࿌᭩࡛ࡍࠋ᭱ᚋ࡟ᮏࢩ࣏ࣥࢪ࣒࢘
࡜ㄪᰝࡣᖹᡂ 26 ᖺᗘᏛ㛗⿢㔞⤒㈝࣭◊✲ࢥ࢔ࣉࣟࢪ࢙ࢡࢺ㸦ᓥᕋ㸧㸫ᅜෆእᓥᕋ
ᆅᇦ࡟࠾ࡅࡿ⮬❧ⓗⓎᒎ࡟ᐤ୚ࡍࡿ◊✲ࡢ᥎㐍㸫ࠕ⎔ቃኚື࡟ᑐࡍࡿ㐺ᛂ⟇ࡢᵓ⠏㸫ᆅᇦ࣭Ꮫ㝿ẚ㍑◊✲࡟ࡼࡿᥦゝ㸫ࠖࡢ୍⎔࡜ࡋ࡚௻⏬ࡉࢀࠊࡑࡢຓᡂࢆཷࡅ࡚
⾜ࢃࢀࡲࡋࡓࠋ
2015 ᖺ 3 ᭶Ἑྜ ῱㮵ඣᓥ኱Ꮫᅜ㝿ᓥᕋᩍ⫱◊✲ࢭࣥࢱ࣮㛗

iii ⅲ

኱㝮ㅖᓥᏛ⾡ㄪᰝሗ࿌఍
ᓥࡣ୍ࡘࡢୡ⏺㸫኱㝮ㅖᓥ⥲ྜㄪᰝ㸫
ᖹᡂ 26 ᖺᗘᏛ㛗⿢㔞⤒㈝◊✲ࢥ࢔ࣉࣟࢪ࢙ࢡࢺ㸦ᓥᕋ㸧ሗ࿌఍᪥᫬㸸ᖹᡂ 27 ᖺ 2 ᭶ 23 ᪥ 13:00㹼16:00
ሙᡤ㸸⥲ྜᩍ⫱◊✲Ჷ 5 㝵఍㆟ᐊࣉࣟࢢ࣒ࣛ
13:00 㕥ᮌᘅᚿ㸸᫛࿴◲㯤ᓥ࡟ᒁᅾࡍࡿ Xenograpsus ᒓ࢝ࢽ㢮ಶయ⩌࡜ⅆᒣᛶᄇẼ
13:10 ⸨⏣ᚿṌ㸸ᒇஂᓥཬࡧ኱㝮༙ᓥ࡟࠾ࡅࡿࢽ࣍ࣥࢨࣝࡢศᕸㄪᰝ
13:20 ℈⏣Ꮨஅ㸸༡᪉⣔⸆⏝᳜≀࠾ࡼࡧᾏὒ⏕≀⏤᮶ࡢ㣗⹸ẘゎẘ≀㉁ࡢ᥈ᰝ
13:30 ໭ᮧ᭷㎿㸸✀Ꮚᓥ࡟ศᕸࡍࡿᅄ୓༑ᖏࡢᵓ㐀ᆅ㉁Ꮫⓗ◊✲13:40 ኱ሯ 㟹㸸኱㝮ㅖᓥ࡛ࣈࣘࡀ፹௓ࡍࡿࣇ࢕ࣛࣜ࢔ࡢㄪᰝ
13:50 Ἑྜ ῱㸸ࢹ࣮ࢱ࣮࣋ࢫ࠿ࡽぢࡓ኱㝮ㅖᓥࡢ⛉Ꮫ⣔ㄪᰝ࡟ࡘ࠸࡚
14:10 㫽ᒃாྖ㸸ᒇஂᓥ࡟࠾ࡅࡿ࣐ࢢࣟ᭥ࡁ⦖㔮ࡾ⁺ᴗᑟධ࡟ࡼࡿ⤒῭ຠᯝࡢศᯒ
14:20 ᒣᮏ㞞ྐ㸸✀Ꮚᓥ࡟࠾ࡅࡿᯝᶞ᱂ᇵ
14:30 ᒣᮏ᐀❧㸸኱㝮ㅖᓥ࡟࠾ࡅࡿ⸆⏝᳜≀
14:50 ᱓ཎᏘ㞝㸸✀Ꮚᓥ࡜ᒇஂᓥࡢほග◊✲
15:00 ༖ᒇṇே㸸ཱྀỌⰋ㒊ᓥ࡟࠾ࡅࡿ᝟ሗ㏻ಙᇶ┙ࡢ⌧≧࡜௒ᚋࡢᩚഛྍ⬟ᛶ
15:10 బ⸨ᏹஅ㸸㏆ୡ✀Ꮚᓥ࡟࠾ࡅࡿẼೃኚື
15:20 ᪂㔛㈗அ㸸ࢺ࢝ࣛิᓥࡢ↓ேᓥ㸸ᶓᙜᓥࡢ⪃ྂᏛ㋃ᰝ
15:30 㛗ᔱಇ௓㸸኱㝮ㅖᓥෆ㞟ⴠࡢኚື㸫㛤ᣅ࣭⛣ఫ࣭ᾘ⁛࣭᪂⏕㸫

ⅳ ivᓥࢆ⤖ࡪᏛࡧ࡜㐃ᦠ㸫ᆅඖᏛ࡜ᓥᕋᏛࡢྠ᫬ᒎ㛤㸫㮵ඣᓥ኱Ꮫࢩ࣏ࣥࢪ࣒࢘
ࠗᓥࢆ⤖ࡪᏛࡧ࡜㐃ᦠ㸫ᆅඖᏛ࡜ᓥᕋᏛࡢྠ᫬ᒎ㛤㸫࠘୺ദ㸸Ꮫ㛗⿢㔞⤒㈝◊✲ࢥ࢔ࣉࣟࢪ࢙ࢡࢺ㸦ᓥᕋ㸧ඹദ㸸୰✀Ꮚ⏫࣭㮵ඣᓥ኱Ꮫᅜ㝿ᓥᕋᩍ⫱◊✲ࢭࣥࢱ࣮᪥᫬㸸ᖹᡂ 26 ᖺ 10 ᭶ 4 ᪥ 13:00㹼17:00
ሙᡤ㸸⥲ྜᩍ⫱◊✲Ჷ 5 㝵఍㆟ᐊ୰⥅㸸዆⨾ࢧࢸࣛ࢖ࢺᩍᐊ࣭୚ㄽᆅᇦάᛶ໬ࢭࣥࢱཱྀ࣮࣭ỌⰋ㒊ᓥࣉࣟࢢ࣒ࣛ
13:00 㛤఍
13:10 ᇶㄪㅮ₇ ▼஭ṇᕫ㸦ᮾிᏛⱁ኱Ꮫ㸧㸸⸃༡ㅖᓥ࡛⪃࠼ࡿᾏୖࡢ㐨
14:10 ඲ ி⚽㸦㮵኱࣭ᅜ㝿ᓥᕋᩍ⫱◊✲ࢭࣥࢱ࣮㸧㸸ᇶㄪㅮ₇࡟ᑐࡍࡿࢥ࣓ࣥࢺ
14:35 㛗ᔱಇ௓㸦㮵኱࣭ᅜ㝿ᓥᕋᩍ⫱◊✲ࢭࣥࢱ࣮㸧㸸ࢩ࣏ࣥࢪ࣒࣭࢘ࢸ࣮࣐ゎ㢟
14:40 ஂ⡿‶ᬕ㸦NPO ࢱ࣮ࢺࣝࢡ࣮ࣝ㸧㸸ᾏὒᏛᰯ࡞࡝ࡢྲྀࡾ⤌ࡳ
14:55 㐲⸨⿱ᮍ㸦࡞࠿ࢃࡾ⏕ጧᒣ㎰ᅬ㸧㸸㎰࡟ࡼࡿᆅᇦ࡙ࡃࡾ࡜Ⓨಙ
15:10 ᡭሯ㈼⮳㸦ᒇஂᓥ⏕≀ከᵝᛶಖ඲༠㆟఍㸧㸸✀ࡢከᵝᛶಖ඲άື
15:25 ㈗⯞ᜤᏊ㸦ཱྀỌⰋ㒊㸧㸸ᆅᇦ᱌ෆࣅࢪࢿࢫ
15:40 ᱓ཎᏘ㞝㸦㮵኱࣭ἲᩥᏛ㒊㸧㸸ほග࡜ᩥ໬ே㢮Ꮫ
15:55 ༖ᒇṇே㸦㮵኱࣭Ꮫ⾡᝟ሗᇶ┙ࢭࣥࢱ࣮㸧㸸ᓥࠎࢆ⧅ࡄᒎ㛤࡜᝟ሗᕤᏛ
16:20 ウㄽ
17:00 㛢఍vⅴ

┠ḟࡣࡌࡵ࡟࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭iሗ࿌఍࠾ࡼࡧࢩ࣏ࣥࢪ࣒࢘ࡢࣉࣟࢢ࣒࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭ࣛiii

࠙኱㝮ㅖᓥ⦅ࠚ
1)኱㝮ㅖᓥࡢ⮬↛⛉Ꮫ⣔ࢆ୰ᚰ࡜ࡋࡓ◊✲ືྥ࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭1Ἑྜ ῱㸦㮵ඣᓥ኱Ꮫᅜ㝿ᓥᕋᩍ⫱◊✲ࢭࣥࢱ࣮㸧

2)✀Ꮚᓥ࡟ศᕸࡍࡿᅄ୓༑ᖏࡢ㡫ᒾࡢኚᙧ࡟క࠺≀㉁⛣ື࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭3
໭ᮧ᭷㎿ 1, 2࣭ᑠ℈ ㈼ 3࣭ᮧ㔛 ᫭ 3࣭㛗㇂ᕝுኴ 3࣭➟ཎៅᖹ 3࣭┾㑓೺ே 3࣭ᕝ➃カ௦ 4㸦1 㮵ඣᓥ኱Ꮫ኱Ꮫ㝔⌮ᕤᏛ◊✲⛉ࠊ2 㮵ඣᓥ኱Ꮫᅜ㝿ᓥᕋᩍ⫱◊✲ࢭࣥࢱ࣮ࠊ
3

3)

㮵ඣᓥ኱Ꮫ⌮Ꮫ㒊ࠊ4 㮵ඣᓥ኱Ꮫ⥲ྜ◊✲༤≀㤋㸧㏆ୡ✀Ꮚᓥ࡟࠾ࡅࡿẼೃኚື࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭7బ⸨ᏹஅ㸦㮵ඣᓥ኱Ꮫᩍ⫱Ꮫ㒊㸧

4)ࢺ࢝ࣛิᓥ࡟࠾ࡅࡿ↓ேᓥ㸦ᶓᙜᓥ࣭⮩⺬ᓥ㸧ࡢ⪃ྂᏛ㋃ᰝ࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭9᪂㔛㈗அ㸦㮵ඣᓥ኱Ꮫᇙⶶᩥ໬㈈ㄪᰝࢭࣥࢱ࣮㸧5)኱㝮ㅖᓥෆ㞟ⴠࡢேཱྀ࣭♫఍ኚື㸫㛤ᣅ࣭⛣ఫ࣭ᾘ⁛࣭᪂⏕࣭ᩥ໬᜚⯆㸫࣭࣭࣭࣭13㛗ᔱಇ௓㸦㮵ඣᓥ኱Ꮫᅜ㝿ᓥᕋᩍ⫱◊✲ࢭࣥࢱ࣮㸧

6)✀Ꮚᓥ࡟࠾ࡅࡿᯝᶞ᱂ᇵ࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭17ᒣᮏ㞞ྐ㸦㮵ඣᓥ኱Ꮫ㎰Ꮫ㒊㸧

7)኱㝮ㅖᓥ࡟࠾ࡅࡿ⸆⏝᳜≀࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭21ᒣᮏ᐀❧㸦㮵ඣᓥ኱Ꮫᅜ㝿ᓥᕋᩍ⫱◊✲ࢭࣥࢱ࣮㸧8)⣚⸴ࣁࢼࣖࢼࢠ࡟ྵࡲࢀࡿ஧ḟ௦ㅰ⏘≀࡟㛵ࡍࡿ◊✲࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭25ᇶ ඃⰼ࣭ᚚ㡿ཎᏕᑦ࣭኱ᮧ㇂ጾྐ࣭௬ᒇᓮ ⥤࣭ᮡ⏣᲍ᜨ࣭℈⏣Ꮨஅ㸦㮵ඣᓥ኱Ꮫ኱Ꮫ㝔⌮ᕤᏛ◊✲⛉㸧

ⅵ vi

9)

኱㝮ㅖᓥ࡛ࣈࣘࡀ፹௓ࡍࡿࣇ࢕ࣛࣜ࢔ࡢㄪᰝ࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭29኱ሯ 㟹㸦㮵ඣᓥ኱Ꮫᅜ㝿ᓥᕋᩍ⫱◊✲ࢭࣥࢱ࣮㸧10) ኱㝰༙ᓥ࡟⏕ᜥࡍࡿ㔝⏕ࢽ࣍ࣥࢨࣝࡢ⩌ࢀࢧ࢖ࢬ㸫ᒇஂᓥ࡜ࡢẚ㍑㸫࣭࣭࣭࣭࣭࣭33
⸨⏣ᚿṌ 1࣭ᗙ㤿⪔୍㑻 2࣭➉ࣀୗ♸஧ 3࣭࿴⏣୍㞝 4࣭ᕷ᮶ࡼࡋᏊ 5㸦1 㮵ඣᓥ኱Ꮫඹྠ⋇་Ꮫ㒊ࠊ2 ி㒔኱Ꮫ࢔ࢪ࢔࣭࢔ࣇࣜ࢝ᆅᇦ◊✲◊✲⛉㸭㔝⏕ື≀◊✲ࢭࣥࢱ࣮ࠊ3 ୰㒊Ꮫ㝔኱ᏛᏊ࡝ࡶᏛ㒊ࠊ4NPO ἲேࣉࣛ࢖࣓࢖ࢺ࣭
࢔ࢦࣛࠊ5 ኱㝮༙ᓥࡢ⮬↛ࢆ⪃࠼ࡿ఍㸧11) 㮵ඣᓥ┴᫛࿴◲㯤ᓥࡢⅆᒣᄇẼᏍ࿘㎶࡟⏕ᜥࡍࡿ Xenograpsus testudinatus ࡢ⏕≀Ꮫⓗ◊✲࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭37㕥ᮌᘅᚿ࣭ᒾᓮ㉳☻࣭Ᏹ㒔ᐑᝆ࣭ᒾᮏᾏ⨾㸦㮵ඣᓥ኱ᏛỈ⏘Ꮫ㒊㸧12) ᒇஂᓥ࡜✀Ꮚᓥࡢ㨶㢮┦ㄪᰝ࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭41ᑠᯞᆂኴ࣭ྜྷ⏣᭸ᘯ࣭⏣௦㒓ᅜ࣭ᮏᮧᾈஅ㸦㮵ඣᓥ኱Ꮫ⥲ྜ◊✲༤≀㤋㸧13) ᒇஂᓥ⁺༠࡟࠾ࡅࡿࣚࢥ࣡᭥ࡁ⦖㔮ࡾ࡬ࡢྲྀࡾ⤌ࡳࡢ⤒⦋࡜ㄢ㢟࣭࣭࣭࣭࣭࣭࣭࣭࣭45㫽ᒃாྖ㸦㮵ඣᓥ኱ᏛỈ⏘Ꮫ㒊㸧14) ᒇஂᓥ࡜✀Ꮚᓥࡢほග໬ࡢ⌧≧࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭49
᱓ཎᏘ㞝㸦㮵ඣᓥ኱ᏛἲᩥᏛ㒊㸧15) ཱྀỌⰋ㒊ᓥ࡟࠾ࡅࡿ᝟ሗ㏻ಙᇶ┙ࡢ⌧≧࡜௒ᚋࡢᩚഛྍ⬟ᛶ࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭53༖ᒇṇே㸦㮵ඣᓥ኱ᏛᏛ⾡᝟ሗᇶ┙ࢭࣥࢱ࣮㸧࣑࠙ࢡࣟࢿࢩ࢔㐃㑥࣏ࣥ࣌࢖ᕞ⦅ࠚ
16) ࣑ࢡࣟࢿࢩ࢔㐃㑥ࡢⅆᒣᓥࡢᆅ㉁ㄪᰝ࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭57
࣮࣐ࣞࣥ ࣁࣇ࢕࣮ࢬ ࢘ࣝ㸦㮵ඣᓥ኱Ꮫ኱Ꮫ㝔⌮ᕤᏛ◊✲⛉㸧17) ࣑ࢡࣟࢿࢩ࢔㐃㑥࣏ࣥ࣌࢖ᓥ࡟࠾ࡅࡿⅆᒣᒾࡢ⏘≧࡜ྂᆅ☢ẼᏛⓗᛶ㉁࣭࣭࣭࣭࣭61
໭ᮧ᭷㎿㸦㮵ඣᓥ኱Ꮫ኱Ꮫ㝔⌮ᕤᏛ◊✲⛉㸧18) ࣑ࢡࣟࢿࢩ࢔㐃㑥࣏ࣥ࣌࢖ᓥ࡟࠾ࡅࡿ₻㛫ᖏ࡟⏕ᜥࡍࡿᕳ㈅࢟ࣂ࢔࣐࢞࢖
Nerita plicata ࡢ⏕ᜥ⎔ቃ࡜ẆⰍከᵝᛶ࡟㛵ࡍࡿ◊✲࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭65Ἑྜ ῱㸦㮵ඣᓥ኱Ꮫᅜ㝿ᓥᕋᩍ⫱◊✲ࢭࣥࢱ࣮㸧

vii ⅶ
19) ࣏ࣥ࣌࢖ᕞ࠾ࡼࡧࢳ࣮ࣗࢡᕞ࡟࠾ࡅࡿࣈࣘࡢ⏕ᜥㄪᰝ࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭67኱ሯ 㟹㸦㮵ඣᓥ኱Ꮫᅜ㝿ᓥᕋᩍ⫱◊✲ࢭࣥࢱ࣮㸧20) ࣏ࣥ࣌࢖ᕞ࠾ࡼࡧࢳ࣮ࣗࢡᕞ࡟࠾ࡅࡿ㣗஦ㄪᰝ࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭69ᒣᮏ᐀❧㸦㮵ඣᓥ኱Ꮫᅜ㝿ᓥᕋᩍ⫱◊✲ࢭࣥࢱ࣮㸧21) ࣆࣥࢤࣛࢵࣉᓥࡢ㣴Ꮚไᗘ㸫ᐙ᪘࣭ぶ᪘࣭፧ጻࡢኚᐜ࡜ࡢ㛵ࢃࡾ࡟࠾࠸࡚㸫࣭࣭࣭73୰㇂⣧Ụ㸦㮵ඣᓥ኱Ꮫᅜ㝿㐃ᦠ᥎㐍ࢭࣥࢱ࣮㸧22) ࠑ↓ព࿡ࠒ࡞࢜ࣈࢪ࢙࡜ࡋ࡚ࡢఏ⤫ᕤⱁရ㸫࣑ࢡࣟࢿࢩ࢔㐃㑥࣏ࣥ࣌࢖ᓥ࡟࠾ࡅࡿ
࢝ࣆ࣐ࣥ࢞ࣛࣥࢠ⣔ఫẸࡢࣁࣥࢻࢡࣛࣇࢺάື࠿ࡽ㸫࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭75㬼ᡞ ⪽㸦㮵ඣᓥ኱ᏛἲᩥᏛ㒊㸧23) ࣆࣥࢤࣛࢵࣉᓥ࠾ࡼࡧࣆࢫ࣭ࣃࢿ࢘ᓥ࡛ࡢ♫఍ⓗ㛵ಀ㈨ᮏ㸫㉳ᴗ࣭እ㒊㐃ᦠ࣭♫఍ኚ㠉࣭ᓥෆ⾜ᨻ㸫࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭79㛗ᔱಇ௓㸦㮵ඣᓥ኱Ꮫᅜ㝿ᓥᕋᩍ⫱◊✲ࢭࣥࢱ࣮㸧

ⅷ viii

Contents
Preface࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭i
Program of Seminar and Symposium࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭iii

࠙The Osumi Islandsࠚ
1)

Trend of Scientific Research in the Osumi Islands࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭1
KAWAI Kei (Research Center for the Pacific Islands, Kagoshima University)2)

Mass Transfer Associated with Deformation in Shales from the Shimanto Belt in TanegashimaIsland, Southwest Japan࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭3
KITAMURA Yujin1, 2, KOHAMA Ken3, MURASATO Kou3, HASEGAWA Ryota3, KASAHARA
Shimpei3, MANABE Kento3 and KAWABATA Kuniyo4(1Graduate School of Science and Engineering, Kagoshima University, 2 Research Centerfor the Pacific Islands, Kagoshima University, 3Faculty of Science, Kagoshima University,
Kagoshima University Museum)4

3)

Climate Change in Tanegashima Island of the Early Modern Period࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭7
SATO Hiroyuki (Faculty of Education, Kagoshima University)

4)

Archaeological Survey on the Uninhabited Yokoatejima and Gajyajima Islands, the Tokara
Islands, Kagoshima࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭9
SHINZATO Takayuki (Research Center for Archaeology, Kagoshima University)

5)

Social Changes and Demographical Structure of the Villages in the Osumi Islands:
Reclamation, Emigration, Extinction, Creation and Cultural Renaissance࣭࣭࣭࣭࣭࣭࣭࣭࣭13
NAGASHIMA Shunsuke (Research Center for the Pacific Islands, Kagoshima University)

6)

Fruit Cultivation on Tanegashima Island࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭17
YAMAMOTO Masashi (Faculty of Agriculture, Kagoshima University)

7)

Medicinal Plants in the Osumi Islands࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭21
YAMAMOTO Sota (Research Center for the Pacific Islands, Kagoshima University)

ix ⅸ
8)

Study on Secondary Metabolites in the Red Alga Chondria armata࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭25
MOTOI Yuka, GORYOUBARA Takanao, OMURAYA Takeshi, KARIYAZAKI Aya, SUGITA
Rie and HAMADA Toshiyuki(Graduate School of Science and Engineering, Kagoshima University)

9)

A Survey of Filarial Parasites Transmitted by Blackflies in the Osumi Islands࣭࣭࣭࣭࣭࣭࣭29
OTSUKA Yasushi (Research Center for the Pacific Islands, Kagoshima University)10) Group Size of Wild Japanese Macaques (Macaca fuscata fuscata) in the Osumi Peninsula:
The Comparison with M. f. yakui in Yakushima Island࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭33
FUJITA Shiho1, ZAMMA Koichiro2, TAKENOSHITA Yuji3, WADA Kazuo4 and ICHIKI
Yoshiko5(1Joint Faculty of Veterinary Medicine, Kagoshima University, 2ASAFAS/WRC, Kyoto
University, 3Faculty of Child Science, Chubu Gakuin University, 4Primate Agora,
Care for Nature in Osumi Club)

511) Biological Study of the Hydrothermal Crab, Xenograpsus testudinatus Ng, Huang & Ho, 2000
(Crustacea: Decapoda: Brachyura: Grapsidae) Inhabit in the Adjacent Water ofShowa-Iwojima, Southern Japan࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭37
SUZUKI Hiroshi, IWASAKI Tatsuki, UTSUNOMIYA Yu and IWAMOTO Amami(Faculty of Fisheries, Kagoshima University)12) Ichthyofaunal Surveys in Yakushima and Tanegashima Islands࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭41
KOEDA Keita, YOSHIDA Tomohiro, TASHIRO Satokuni and MOTOMURA Hiroyuki(Kagoshima University Museum)13) The Present Conditions and Problems of the Trolling Line in the Yakushima Fisheries
Cooperative Association࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭45
TORII Takashi (Faculty of Fisheries, Kagoshima University)
14) Present Situation of Tourism in Yakushima and Tanegashima Islands࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭49
KUWAHARA Sueo (Faculty of Law, Economics and Humanities, Kagoshima University)15) Current Status and Future Potential of Broadband Infrastructure Development on
Kuchinoerabujima Island࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭53
MASUYA Masato (Computing and Communications Center, Kagoshima University)

ⅹx࠙Pohnpei State, the Federated States of Micronesiaࠚ16) Geological Investigation of the Volcanic Islands in the Federated States of Micronesia࣭࣭࣭57
REHMAN Hafiz Ur(Graduate School of Science and Engineering, Kagoshima University)17) Occurrence of Volcanic Rocks and Their Paleomagnetic Property in Pohnpei Island,
the Federated States of Micronesia࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭61
KITAMURA Yujin (Graduate School of Science and Engineering, Kagoshima University)18) Shell Color Polymorphism of Intertidal Gastropod Nerita plicata in Pohnpei Island,
the Federated States of Micronesia࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭65
KAWAI Kei (Research Center for the Pacific Islands, Kagoshima University)19) Survey of Blackfly Fauna in Pohnpei and Chuuk States࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭67
OTSUKA Yasushi (Research Center for the Pacific Islands, Kagoshima University)20) Dietary Patterns in Pohnpei and Chuuk States࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭69
YAMAMOTO Sota (Research Center for the Pacific Islands, Kagoshima University)21) Adoption in the Change of Family, Kinship, and Marriage: A Case Study of Pingelap
Island࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭73
NAKATANI Sumie (Center for International Planning, Kagoshima University)22) Traditional Crafts as “Meaningless” Objet: A Case of Handcraft Activities by Kapingamarangi
People in Pohnpei Island࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭75
UDO Satoshi (Faculty of Law, Economics and Humanities, Kagoshima University)23) Social Capital in Pingelap and Piis-Paneu Islands: Promotion of Enterprise, Collaboration with
Outside, Reformation of Society, Island Administration࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭࣭79
NAGASHIMA Shunsuke (Research Center for the Pacific Islands, Kagoshima University)
南太平洋海域調査研究報告 No.56（2015年3月）
OCCASIONAL PAPERS No.56（March 2015）኱㝮ㅖᓥࡢ⮬↛⛉Ꮫ⣔ࢆ୰ᚰ࡜ࡋࡓ◊✲ືྥἙྜ ῱Trend of Scientific Research in the Osumi Islands
KAWAI Kei㮵ඣᓥ኱Ꮫᅜ㝿ᓥᕋᩍ⫱◊✲ࢭࣥࢱ࣮Research Center for the Pacific Islands, Kagoshima University

せ᪨኱㝮ㅖᓥ㸦ᒇஂᓥࠊ✀Ꮚᓥࠊ◲㯤ᓥࠊ➉ᓥࠊ㯮ᓥࠊ㤿ẟᓥࠊཱྀỌⰋ㒊ᓥ㸧࡟࠾ࡅࡿ⮬↛⛉Ꮫ⣔ࡢ◊✲ࡢືྥ࡟ࡘ࠸࡚ࠊ኱Ꮫࡢᩥ⊩ࢹ࣮ࢱ࣮࣋ࢫࢆ฼⏝ࡋ࡚ㄪᰝࡋࡓࠋ඲ศ㔝ࢆྵࡵ࡚ࠊ᭱ࡶ
ㄪᰝࡀ⾜ࢃࢀ࡚࠸ࡿᓥࡀᒇஂᓥ࡛ࠊࡑࡢḟࡀ➉ᓥ࡛࠶ࡗࡓࠋࡇࡢᆅᇦ࡛ࡣ 2 ␒┠࡟኱ࡁ࡞ᓥ࡛
࠶ࡿ✀Ꮚᓥࡣ 3 ␒┠࡟ከࡃࡢ◊✲ࡀ࡞ࡉࢀ࡚࠸ࡓࠋ༡すㅖᓥࢆᵓᡂࡍࡿ዆⨾࣭⌰⌫ᆅᇦࡣ㧗࠸⏕≀ከᵝᛶ࡜ከᵝ࡞ᩥ໬ࢆ⥔ᣢࡋ࡚࠾ࡾࠊ
ୡ⏺ⓗὀ┠ࢆ㞟ࡵ࡚࠸ࡿᆅᇦ࡛࠶ࡿࠋࡲࡓࠊ኱㝮ㅖᓥࡣୡ⏺㑇⏘࡛࠶ࡿᒇஂᓥࢆ୰ᚰ࡟ࠊほග࡜⏕≀ከᵝᛶ࡟ὀ┠ࡉࢀࡿᆅᇦ࡛ࠊ⮬↛⎔ቃⓗ࡟ὀ┠ࡉࢀ࡚࠸ࡿᆅᇦ࡛࠶ࡿࠋ
ࡇࡢᆅᇦ࡛ࡣከࡃࡢㄪᰝ࣭◊✲ࡀ⾜ࢃࢀ࡚ࡁࡓࡀࠊ᫬௦࡜ඹ࡟ࡑࡢ┠ⓗࡸᑐ㇟ࡀኚࢃࡗ࡚ࡁ࡚࠸ࡿࠋࡍ࡛࡟௒ࡲ࡛ࡢ◊✲ᡂᯝࢆྵࡴከࡃࡢᩥ⊩ࢹ࣮ࢱ࣮࣋ࢫࡀసࡽࢀ
࡚ࡁ࡚࠸ࡿࡇ࡜ࡶ࠶ࡾࠊࢹ࣮ࢱ࣮࣋ࢫ࡛࣮࣮࢟࣡ࢻ᳨⣴ࢆ⾜࠺࡜ࠊ࡝ࡢ᫬௦࡟࡝ࡢࡼ
࠺࡞◊✲ࡀ⾜ࢃࢀ࡚ࡁ࡚࠸ࡿ࠿ࢆㄪ࡭ࡿࡇ࡜ࡀ⡆༢࡟࡞ࡗ࡚࠸ࡿࠋࡋ࠿ࡋࠊࡇࡢ᳨⣴⤖ᯝࡔࡅ࠿ࡽ࡛ࡣ࡝ࡢࡼ࠺࡞せᅉࡀࡑࡢ◊✲࡟ᙳ㡪ࢆ୚࠼ࠊ᫬௦࡜ඹ࡟࡝ࡢࡼ࠺࡞
ኚ໬ࡀ࠶ࡾࠊࡑࢀࡒࢀࡢ◊✲ࡀ࡝ࡢࡼ࠺࡞┦஫㛵ಀ࡟࠶ࡗࡓ࠿ࢆ᫂☜࡟♧ࡍࡇ࡜ࡀ࡛
ࡁ࡞࠸ࠋᮏ◊✲࡛ࡣࠊ୺せ࡞኱Ꮫࡢᩥ⊩ࢹ࣮ࢱ࣮࣋ࢫࢆ฼⏝ࡍࡿࡇ࡜࡛ࠊ࡝ࡢࡼ࠺࡞
せᅉࡀ᫬௦ࡢኚ໬࡜ඹ࡟ᙳ㡪ࡋ࠶࠸◊✲ࡀ㐍ࢇ࡛࠸ࡿ࠿ࢆ᫂☜࡟ࡍࡿࡇ࡜ࢆ┠ⓗ࡟ࡋ࡚⾜ࡗࡓࠋ
ලయⓗ࡟ࡣ௨ୗࡢࡼ࠺࡞ᡭ㡰᳨࡛ウࡋ࡚࠸ࡿࠋྛࢹ࣮ࢱ࣮࣋ࢫࢆᑐ㇟࡟ࠕᓥࠖ࡜࠸
࠺༢ㄒࢆ࣮࣮࢟࣡ࢻ࡜ࡋ࡚ධࢀࠊ㛵㐃ࡍࡿㄽᩥࢱ࢖ࢺࣝࢆᢳฟࡋࡓࠋᢳฟࡉࢀࡓ඲ࢱ
࢖ࢺࣝ࠿ࡽࢸ࢟ࢫࢺ࣐࢖ࢽࣥࢢἲࢆ⏝࠸ࠊ᭱ࡶ౑ࢃࢀ࡚࠸ࡿ༢ㄒ 1,000 ࢆ㑅ࡧࠊࡑࡢᢳฟࡉࢀࡓ༢ㄒ࠿ࡽ⮬↛⛉Ꮫ⣔࡛㔜せ࡜⪃࠼ࡽࢀࡿ༢ㄒࢆᢳฟࡋࡓࠋ኱㝮ㅖᓥ
KAWAI Kei㸦ᒇஂᓥࠊ✀Ꮚᓥࠊ◲㯤ᓥࠊ➉ᓥࠊ㯮ᓥࠊ㤿ẟᓥࠊཱྀỌⰋ㒊ᓥ㸧ࡢᓥྡ࡜࣮࣮࢟࣡ࢻ
ࡢ᳨⣴࠿ࡽྛᓥ࡟࠾ࡅࡿ◊✲ᒚṔࢆᢳฟࡋࡓࠋ
඲ศ㔝ࢆᑐ㇟࡟ࡋࡓࢹ࣮ࢱ࣮࣋ࢫࡢ᳨⣴⤖ᯝ࡛ࡣᒇஂᓥࡢㄽᩥᩘࡀ୍␒ከ࠸ࡇ࡜ࡀ
♧ࡉࢀࡓࠋࡇࢀࡣᒇஂᓥࡀ⮬↛㑇⏘࡛࠶ࡿ࡜࡜ࡶ࡟ࠊ኱ᏛࡢᣐⅬࡀ࠶ࡿ࡜࠸࠺ࡇ࡜ࡀ኱ࡁ࡞せᅉ࡟࡞ࡗ࡚࠸ࡿ࡜⪃࠼ࡽࢀࡿࠋ⯆࿡῝࠸ࡢࡣ㠃✚࡜ࡋ࡚኱ࡁ࠸✀Ꮚᓥ㸦ᅗ 1㸧ࡼࡾࡶࠊ➉ᓥ࡟࠾࠸࡚ከࡃࡢ◊✲ࡀ࡞ࡉࢀ࡚࠸ࡿⅬ࡛࠶ࡾࠊࡇࡢ⌮⏤ࡢゎ᫂ࡀ௒ᚋࡢ
ࢸ࣮࣐ࡢ୍ࡘ࡜⪃࠼ࡽࢀࡿࠋ
௒ᚋࠊࢹ࣮ࢱ࣐࢖ࢽࣥࢢ࡟ࡼࡾࠊ⮬↛⛉Ꮫศ㔝ࢆ୰ᚰ࡜ࡋࡓࠊࡼࡾ୍ᒙࡢ᳨ウࢆ⾜࠺ணᐃ࡛࠶ࡿࠋ

ᅗ 1 ✀Ꮚᓥࡢ◁὾
南太平洋海域調査研究報告 No.56（2015年3月）
OCCASIONAL PAPERS No.56（March 2015）✀Ꮚᓥ࡟ศᕸࡍࡿᅄ୓༑ᖏࡢ㡫ᒾࡢኚᙧ࡟క࠺≀㉁⛣ື
໭ᮧ᭷㎿ 1, 2࣭ᑠ℈ ㈼ 3࣭ᮧ㔛 ᫭ 3࣭㛗㇂ᕝுኴ 3࣭➟ཎៅᖹ 3࣭┾㑓೺ே 3࣭ᕝ➃カ௦ 4

Mass Transfer Associated with Deformation in Shales fromthe Shimanto Belt in Tanegashima Island, Southwest Japan
KITAMURA Yujin1, 2, KOHAMA Ken3, MURASATO Kou3, HASEGAWA Ryota3,
KASAHARA Shimpei3, MANABE Kento3 and KAWABATA Kuniyo4
1: 㮵ඣᓥ኱Ꮫ኱Ꮫ㝔⌮ᕤᏛ◊✲⛉2: 㮵ඣᓥ኱Ꮫᅜ㝿ᓥᕋᩍ⫱◊✲ࢭࣥࢱ࣮
3: 㮵ඣᓥ኱Ꮫ⌮Ꮫ㒊
4: 㮵ඣᓥ኱Ꮫ⥲ྜ◊✲༤≀㤋
1: Graduate School of Science and Engineering, Kagoshima University
2: Research Center for the Pacific Islands, Kagoshima University
3: Faculty of Science, Kagoshima University
4: Kagoshima University Museum
せ᪨ᅄ୓༑ᖏࡣ௜ຍయᙧᡂࡸᆅ㟈Ⓨ⏕ࡢᆅ㉁ⓗ⑞㊧ࢆከࡃໟྵࡍࡿࡇ࡜࠿ࡽࠊᾏὒࣉ࣮ࣞࢺࡢỿࡳ㎸ࡳ࡟క࠺ࣉ࣮ࣞࢺቃ⏺ࡢㅖ⌧㇟ࢆ⌮ゎࡍࡿ㘽࡜࡞ࡿࠋࣉ࣮ࣞࢺቃ⏺ࡢືⓗ⌧㇟ࢆᛕ㢌࡟⨨࠸ࡓ௜ຍయ◊✲ࡣ༡ᾏࢺࣛࣇἢᓊ࡛⾜ࢃࢀ࡚࠸ࡿࡀࠊ⌰⌫ᾏ⁁ἢ࠸࡛ࡣࡲࡔ⾜ࢃࢀ࡚࠸࡞࠸ࠋᮏ◊✲࡛ࡣ✀Ꮚᓥ࡟࠾࠸࡚ࠊ
ᆅ㉁ㄪᰝ࡜໬Ꮫ⤌ᡂศᯒ࠿ࡽᒾ▼ࡢኚᙧࢆᐃ㔞ࡋࠊࡇࡢᆅᇦࡢ௜ຍయᙧᡂྐࢆ㆟ㄽࡍࡿ஦ࢆ┠ⓗ࡜ࡍࡿࠋㄪᰝࡢ⤖ᯝࠊẚ㍑ⓗ㧗 ࡟ࡉࡽࡉࢀࡓ࡜ᛮࢃࢀࡿ✀Ꮚᓥࡢ㡫ᒾ࡟ࡣᅽຊ⁐ゎࡀⓎ㐩ࡋ࡚࠾ࡾࠊỿࡳ㎸ࡳ࡟ࡼࡿᇙἐ࡛࡞ࡃࠊ῝ᡂᒾయࡢୖ᪼࡟ࡼࡿ⇕ⓗᙳ㡪ࢆᙉࡃཷࡅ࡚࠸ࡿࡇ࡜ࡀ♧၀ࡉࢀࡓࠋ

ࡣࡌࡵ࡟ᅄ୓༑ᖏࡣす༡᪥ᮏࡢኴᖹὒഃ࡟ศᕸࡍࡿⓑள⣖࠿ࡽ᪂➨୕⣖࡟ᙧᡂࡉࢀࡓ௜ຍయ࡜࿧ࡤ
ࢀࡿᆅ㉁య࡛࠶ࡿࠋ௜ຍయ࡜ࡣࠊᾏὒࣉ࣮ࣞࢺࡀ኱㝣ࣉ࣮ࣞࢺࡢୗ࡟ỿࡳ㎸ࡴ㝿࡟ࠊᾏὒࣉ
࣮ࣞࢺୖࡢሁ✚≀ࡀࡣࡂྲྀࡽࢀ࡚኱㝣ഃ࡟௜ຍࡋ࡚ᙧᡂࡉࢀࡿᆅ㉁య࡛࠶ࡾࠊ≉࡟す༡᪥ᮏࡣ኱㝣ഃ࠿ࡽኴᖹὒഃ࡟࠿ࡅ࡚㡰࡟᪂ࡋࡃ࡞ࡿࡼ࠺࡟௜ຍయࡀศᕸࡋ࡚࠸ࡿࠋ᪥ᮏิᓥ௜㏆࡛ࡣ௜ຍయࡀࣉ࣮ࣞࢺቃ⏺ࡢୖ┙ࢆ࡞ࡋࠊࡑࡢᗏ㒊ࡢࣉ࣮ࣞࢺቃ⏺࡛ᾏ⁁ᆺᕧ኱ᆅ㟈ࡀⓎ⏕ࡍࡿࠋ⌧ᅾᙧᡂ୰ࡢ௜ຍయࡣ༡ᾏࢺࣛࣇࡢἢࡗࡓᾏᗏ࡟ศᕸࡋ࡚࠾ࡾࠊᾏὒ᥀๐࡞࡝ࡢ᪉ἲ
࡛ᆅ㟈◊✲ࡀ⾜ࢃࢀ࡚࠸ࡿࠋᅄ୓༑ᖏࡣ㝣ୖ࡟ᗈࡃศᕸࡋ࡚࠸ࡿࡇ࡜࠿ࡽࠊ⌧ᅾࡢࣉ࣮ࣞࢺ
ቃ⏺⌧㇟ࢆゎࡁ᫂࠿ࡍࡓࡵࡢ㘽࡜ࡋ࡚㔜せ࡛࠶ࡿࠋKITAMURA Yujin, KOHAMA Ken, MURASATO Kou, HASEGAWA Ryota, KASAHARA Shinpei, MANABE Kento and KAWABATA Kuniyoᮏ◊✲࡛ࡣỿࡳ㎸ࡴࣉ࣮ࣞࢺቃ⏺࡟࠾ࡅࡿᒾ▼ࡢኚᙧࢆᆅ⌫໬Ꮫⓗ࡟ᐃ㔞ࡋࠊኚᙧ࡜࡜ࡶ
࡟≀㉁⛣ືࢆ᫂ࡽ࠿࡟ࡍࡿࠋ≉࡟✀Ꮚᓥᆅᇦࢆᑐ㇟࡜ࡍࡿ஦࡛ࠊ⌰⌫ᾏ⁁ᇦ࡛ࡢࣉ࣮ࣞࢺ
ቃ⏺⌧㇟࡟ࡘ࠸࡚㆟ㄽࡍࡿࡇ࡜ࢆ┠ⓗ࡜ࡍࡿࠋᆅ㉁ᴫㄝ
௜ຍస⏝࡟ࡣ 2 ✀㢮࠶ࡾࠊὸ࠸ᡤ࡛ᾏὒࣉ࣮ࣞࢺୖࡢሁ✚≀ࡀ኱㝣ࣉ࣮ࣞࢺ࡟ࡼࡗ࡚๤ࡂ
ྲྀࡽࢀࡿࠕ๤ࡂྲྀࡾ௜ຍࠖ࡜ࠊẚ㍑ⓗ῝࠸ᡤ࡛኱㝣ࡢୗ࡟௜ຍࡍࡿࠕᗏ௜ࡅ௜ຍࠖ࡜࿧ࡤࢀ
ࡿࠋ๤ࡂྲྀࡾ௜ຍ࣭ᗏ௜ࡅ௜ຍࡍࡿ㝿࡟ࡣࠊᆅᒙࡀ᩿ᒙ࡛ษࢀ࡚௜ຍࡍࡿࠋ๤ࡂྲྀࡾ௜ຍࡢ
ሙྜࡣẚ㍑ⓗὸ࠸ሙᡤ࡛㉳ࡇࡾࠊᆅᒙ㸦ሁ✚≀㸧ࡶẚ㍑ⓗᰂࡽ࠿࠸ࡢ࡛᩿ᒙ࡛ษࢀ࡚ࡶ኱ࡁ
࡞ᆅ㟈ࡣ㉳ࡇࡉ࡞࠸ࠋ୍᪉ࠊᗏ࡙ࡅ௜ຍࡣࣉ࣮ࣞࢺቃ⏺᩿ᒙࡢᒅ᭤࡟కࡗ࡚㉳ࡇࡿ࡜⪃࠼ࡽࢀ࡚࠾ࡾࠊᾏ⁁ᆺᕧ኱ᆅ㟈࡜ᐦ᥋࡞㛵㐃ࡀ࠶ࡿ࡜⪃࠼ࡽࢀ࡚࠸ࡿ㸦KITAMURA et al. 2005,
KITAMURA and KIMURA 2012㸧ࠋᗏ௜ࡅ௜ຍࡉࢀࡓᆅ㉁యࡣ㠀ᖖ࡟ᙉࡃኚᙧࡋ࡚࠾ࡾࠊࢸࢡࢺࢽ
ࢵࢡ࣓ࣛࣥࢪࣗ࡜࿧ࡤࢀࡿ୍✀ࡢ᩿ᒙᒾ࡟࡞ࡗ࡚࠸ࡿࠋᅄ୓༑ᖏ࡟ࡣ๤ࡂྲྀࡾ௜ຍࡉࢀࡓᆅ㉁య࡜ᗏ௜ࡅ௜ຍࡉࢀࡓᆅ㉁య
㸦ࢸࢡࢺࢽࢵࢡ࣓ࣛࣥࢪࣗ㸧ࡀࢧࣥࢻ࢖ࢵࢳ≧࡟஺஫࡟ศᕸࡋ࡚࠸ࡿࠋ
ᅄᅜࡢᅄ୓༑ᖏ࡟࠾ࡅࡿࢸࢡࢺࢽࢵࢡ࣓ࣛࣥࢪࣗࡢ◊✲ࡢ⤖ᯝࠊࡇࡢ࣓ࣛࣥࢪࣗࡣࣉ࣮ࣞ
ࢺቃ⏺ࡢ᩿ᒙኚᙧᖏࡑࡢࡶࡢ࡛࠶ࡗࡓ࡜⪃࠼ࡽࢀ࡚࠸ࡿ㸦KITAMURA et al. 2005㸧
ࠋࡑࡋ࡚ࡑࡢ
࣓ࣛࣥࢪࣗࡢ᭱ୖ㒊࡟≉࡟ኚᙧࡀ㞟୰ࡋࡓ᩿ᒙࡀ࠶ࡾࠊࡑࡇ࠿ࡽᆅ㟈ࡢ໬▼࡜࿧ࡤࢀࡿᆅ㟈᫬ࡢᦶ᧿⇕࡛⁐⼥ࡋࡓᒾ▼࡛࠶ࡿࢩ࣮ࣗࢻࢱ࢟ࣛ࢖ࢺࡀⓎぢࡉࢀࡓࠋࡇࡢࡇ࡜࠿ࡽࠊࡇࡢ
᩿ᒙࡣ㐣ཤ࡟ᾏ⁁ᆺᕧ኱ᆅ㟈ࢆ㉳ࡇࡋࡓ࡜⤖ㄽ࡙ࡅࡽࢀࡓࠋ
㏆ᖺࡢ◊✲࡛ࠊࢸࢡࢺࢽࢵࢡ࣓ࣛࣥࢪࣗ⮬యࡀ኱つᶍ࡞ࣉ࣮ࣞࢺቃ⏺᩿ᒙᖏ࡛ࠊほ ࡟
ࡼࡗ࡚᭱㏆᫂ࡽ࠿࡟࡞ࡗ࡚ࡁࡓࡺࡗࡃࡾᆅ㟈㸦ࢫ࣮ࣟᆅ㟈㸧ࢆ㉳ࡇࡋࡓྍ⬟ᛶࡀᣦ᦬ࡉࢀ࡚
࠸ࡿ㸦KITAMURA and KIMURA 2012㸧ࠋࡇࡢࡼ࠺࡟ࠊᅄ୓༑ᖏࡢᒾ▼ࡣᕧ኱ᆅ㟈ࡸᚤᑠ࡞ᆅ㟈ࢆ㉳ࡇࡍࣉ࣮ࣞࢺቃ⏺ࡢጼࢆ㠀ᖖ࡟≧ែࡼࡃಖᏑࡋ࡚࠸ࡿ࡜⪃࠼ࡽࢀ࡚࠾ࡾࠊ኱㝮ㅖᓥ࡛ࡢㄪ
ᰝࡣ⌰⌫ᾏ⁁ᇦ࡛ࡢᆅ㟈ࡸ௜ຍయᙧᡂ࡟㛵ࡍࡿ♧၀ࢆ࠶ࡓ࠼ࡿࡶࡢ࡜ᮇᚅࡉࢀࡿࠋ
✀Ꮚᓥࡢᆅ㉁ࡣࠊᇶ┙࡜࡞ࡿ⇃ẟᒙ⩌࡜࿧ࡤࢀࡿ◁ᒾࠊ㡫ᒾࡢ஫ᒙࢆ୙ᩚྜ࡟ⱼ㛗ᒙ⩌ཬࡧቑ⏣ᒙࠊ㛗㇂ᒙࠊ➉அᕝᒙࡀそࡗ࡚࠸ࡿ㸦✀ᏊᓥᆅᏛྠዲ఍ 1984㸧ࠋ⇃ẟᒙ⩌ࡣ㛛಴ᓮᒙࠊ❧▼ᒙࠊすஅ⾲ᒙ࠿ࡽ࡞ࡾࠊሁ✚ᖺ௦ࡣྂ➨୕⣖ጞ᪂ୡ࡜ࡉࢀࡿࠋ⦓ᐦ࡞ᒾ▼࡛ࠊⲴ㔜⑞ࡸ₏⑞࡞࡝ࡢሁ✚ᵓ㐀ࡀࡼࡃࡳࡽࢀࠊ᩿ᒙࠊ〩᭤ࡀⓎ㐩ࡋ࡚࠸ࡿࠋⱼ㛗ᒙ⩌ࡣ⏣௦ᒙࠊἙෆᒙࠊ
኱ᓮᒙ࠿ࡽ࡞ࡾࠊሁ✚ᖺ௦ࡣ୰᪂ୡ๓ᮇ࡛࠶ࡿࠋᓥࡢ༡ᮾ㒊࡟ศᕸࡋࠊ໭࡯࡝ᒙཌࡀῶᑡࡍ
ࡿࠋቑ⏣ᒙࠊ㛗㇂ᒙࠊ➉அᕝᒙࡣ඲஧⪅ࢆ୙ᩚྜ࡟そ࠺➨ᅄ⣖ࡢሁ✚≀࡛࠶ࡿࠋㄪᰝ᪉ἲ✀Ꮚᓥ࡟࠾ࡅࡿᆅ㉁ㄪᰝࢆ 2014 ᖺ 1 ᭶ 23 ᪥㹼25 ᪥ࡢ᪥⛬࡛ᐇ᪋ࡋࡓࠋᓥෆ඲ᇦࡢᆅ㉁ࡢ
㟢ฟ≧ἣࢆ☜ㄆࡋࠊ
Ἶ㉁࡞ᒾ▼ࡀ࠶ࡿሙᡤ࡛ࡣヨᩱ᥇ྲྀࢆ⾜ࡗࡓࠋヨᩱࡣ 4 ࢝ᡤ࡛᥇ྲྀࡋࡓࠋ


Mass Transfer Associated with Deformation in Shales from the Shimanto Belt in Tanegashima Island, Southwest Japan

ヨᩱࡣᩚᙧࡋࢫࣛ࢖ࢻ࢞ࣛࢫ࡟᥋╔ࡋࡓࡢࡕࠊ⣙ 30ȣm ࡢཌࡉࡲ࡛◊☻ࡋ࡚㢧ᚤ㙾ほᐹ⏝ࡢᒾ▼ⷧ∦ࢆసᡂࡋࡓࠋࡇࢀࢆ㢧ᚤ㙾ୗ࡛ほᐹࡍࡿ஦࡛㖔≀ࡸኚᙧࡢグ㍕ࢆ⾜࠸ࠊᚋ㏙ࡢᅽຊ⁐ゎࢩ࣮࣒ࡢほᐹࢆ⾜࠺ࠋヨᩱࡢ୍㒊ࡣ⢊ᮎ࡟ࡋࡓࡢࡕ⺯ග X ⥺ศᯒࢆ⾜࠸ࠊ୺せඖ⣲ࡢ㔞ẚࢆ ᐃࡍࡿࠋᅽຊ⁐ゎࢩ࣮࣒࡜ඖ⣲⤌ᡂ࠿ࡽୗグࡢ࢔࢖ࢯࢥࣥἲࢆ⏝࠸࡚య✚ኚ໬ࢆホ౯ࡍࡿࠋࡑࡢయ✚ኚ໬ࡀᒾ▼ࡢᅽᐦ࡟ࡼࡿኚᙧ࡟ᐦ᥋࡟㛵ಀࡋ࡚࠸ࡿࡓࡵࠊᆅ㉁᝟ሗ࡜࠶ࢃࡏ࡚✀Ꮚᓥ࡟࠾ࡅࡿ௜ຍ
యᙧᡂྐࢆ㆟ㄽࡍࡿࡇ࡜ࡀ࡛ࡁࡿࠋ

࢔࢖ࢯࢥࣥἲ
ᒾ▼ࡢኚᙧࢆ໬Ꮫ⤌ᡂࢹ࣮ࢱࢆඖ࡟య✚ኚ໬࡜ࡋ࡚᥎ᐃࡍࡿᡭἲࢆ࢔࢖ࢯࢥࣥἲ࡜࿧ࡪࠋGRESENS㸦1967㸧࡟ࡼࡗ࡚ᥦ᱌ࡉࢀࠊGRANT㸦1986㸧࡟ࡼࡗ࡚☜❧ࡉࢀࡓࠋᅄ୓༑ᖏ࡟࠾࠸
࡚ࡣ KAWABATA et al.㸦2007㸧ࡀ㐺⏝ࡋࠊᆅ㉁యࡢ⿕⇕ ᗘ࡜ᅽຊ⁐ゎࡢⓎ㐩ᗘ࡟┦㛵ࡀ࠶ࡿࡇ࡜ࢆぢ࠸ࡔࡋࡓࠋࡲࡓࠊᗏ௜ࡅࡋࡓ࡜ᛮࢃࢀࡿࢸࢡࢺࢽࢵࢡ࣓ࣛࣥࢪࣗࡣ ᗘୖ᪼࡟ࡼࡗ
࡚ᅽຊ⁐ゎࡢⓎ㐩ࡀᙉࡃಁ㐍ࡉࢀ࡚࠸ࡿࡇ࡜ࡶ♧ࡉࢀࡓࠋᅽຊ⁐ゎ࡜ࡣࠊᒾ▼ࡀᙉ࠸እຊࢆཷࡅࡓ࡜ࡁ࡟ࠊྵࡲࢀࡿ㖔≀ྠኈࡢ᥋ࡍࡿ㒊ศ࡟㐣኱࡞ᛂຊࡀ࠿࠿ࡾࠊ⁐ฟࡋᣑᩓࡋࡓࡢࡕ㞳ࢀࡓሙᡤ࡟ỿẊࡍࡿ⌧㇟࡛࠶ࡿࠋᒾ▼ⷧ∦ࡢ㙾ୗほᐹ࡛ࡣࡋࡤࡋࡤ㯮࠸➽≧ࡢᅽຊ⁐ゎࢩ࣮࣒࡜ࡋ࡚ほᐹࡉࢀࡿࠋ

⤖ᯝ
ᆅ㉁ㄪᰝ୰࡟ 14 ᆅⅬ࡛㟢㢌ࢆ☜ㄆࡋ୍㒊࡛ヨᩱ᥇ྲྀࢆ⾜ࡗࡓࠋྛᆅⅬ࡛ࡢᴫせࢆḟ࡟♧ࡍࠋ
Stop 1

すஅ⾲ᕷఫྜྷ௜㏆ࠋ⇃ẟᒙ⩌すஅ⾲ᒙࡢ◁Ἶ஫ᒙࠋྛᒙࡣ⣙㸯cm ⛬ᗘࠋヨᩱࢆ᥇ྲྀࡋࡓ㸦ヨᩱ␒ྕ TNG201501㸧
ࠋ

Stop 2すஅ⾲ᕷఫྜྷ௜㏆ࠋ⇃ẟᒙ⩌すஅ⾲ᒙ୰ࡢ◁ᒾ࡟ࡢࡇࡿ₏⑞ࠋཌ࠸◁ᒾࡢ㟢㢌࡛࠶ࡿࡀࠊ㐨㊰ࢆᣳࢇ࡛ᾏᐇഃࡣἾᒾ࡜࡞ࡗ࡚࠸ࡿࠋ

Stop 3すஅ⾲ᕷ῝ᕝ௜㏆ࠋ⇃ẟᒙ⩌すஅ⾲ᒙࡢ◁ᒾࠋⲴ㔜⑞ࡀㄆࡵࡽࢀࡓࠋ

Stop 4すஅ⾲ᕷ∾ᕝ௜㏆ࠋ⇃ẟᒙ⩌すஅ⾲ᒙࡢ◁ᒾඃໃ◁Ἶ஫ᒙࠋ◁ᒾᒙ⣙ 4㹼5 cmࠊἾᒾᒙ⣙ 1 cm ⛬ᗘࠋヨᩱࢆ᥇ྲྀࡋࡓ㸦ヨᩱ␒ྕ TNG201502㸧
ࠋ

Stop 5୰✀Ꮚ⏫Ლ₲௜㏆ࠋ⇃ẟᒙ⩌❧▼ᒙࡢἾᒾඃໃ◁Ἶ஫ᒙࠋἾ㉁㒊ࡣኚᙧࡋࠊᙅኚᡂ
ࡋ࡚࠸ࡿࠋヨᩱࢆ᥇ྲྀࡋࡓ㸦ヨᩱ␒ྕ TNG201503㸧
ࠋ

Stop 6༡✀Ꮚ⏫ୖ❧▼௜㏆ࠋ⇃ẟᒙ⩌❧▼ᒙࡢ◁Ἶ஫ᒙࠋᯖ≧⁐ᒾࡢ┳ᯈㄆࡵࡿࡶࠊ㟢㢌ࢆ☜ㄆ࡛ࡁࡎࠋ

Stop 7༡✀Ꮚ⏫㛛಴ᓁࠋ⇃ẟᒙ⩌㛛಴ᓮᒙࡢከⰍ㡫ᒾࢆྵࡴ◁ᒾ㡫ᒾ஫ᒙࠋ

Stop 8༡✀Ꮚ⏫⏣௦௜㏆ࠋⱼ㛗ᒙ⩌⏣௦ᒙࠋ⏣௦໬▼㟢㢌ࠋ㩭᪂ୡࡢከ✀ࡢ㈅໬▼ࢆྵࡴ㌿▼ᵝࡢ㟢㢌ࢆ☜ㄆࠋ⢒⢏ࠥᴟ⢒⢏◁ᒾࠋ

Stop 9༡✀Ꮚ⏫ୗ୰ᾏᓊࠋⱼ㛗ᒙ⩌Ἑෆᒙࡢ♟ᒾࠥ◁ᒾࠋ♟ᒾ࡟ᩳ஺ⴥ⌮ࢆㄆࡵࡓࠋ
KITAMURA Yujin, KOHAMA Ken, MURASATO Kou, HASEGAWA Ryota, KASAHARA Shinpei, MANABE Kento and KAWABATA Kuniyo

Stop 10 ༡✀Ꮚ⏫➉ᓮ௜㏆ࠋⱼ㛗ᒙ⩌኱ᓮᒙࠋ㐨㊰ษࡾ㏻ࡋࡢ㟢㢌ࠋ㔜ᶵ࡟ࡼࡿ᧿⑞࡟ἢࡗ
࡚⻏ࡢᕢ≧㢼໬ࡀ㐍⾜ࡋ࡚࠸ࡿ࡜ᛮࢃࢀࡿ⏘≧ࢆㄆࡵࡓࠋ
Stop 11 ༡✀Ꮚ⏫὾⏣௜㏆ࠋ༓ᗙࡢᒾᒇࠋⱼ㛗ᒙ⩌኱ᓮᒙ࡟Ⓨ㐩ࡋࡓᾏ㣗Ὕࠋ
Stop 12 ୰✀Ꮚ⏫≟ᇛᾏᓊࠋ㤿❧ࡢᒾᒇࠋⱼ㛗ᒙ⩌኱ᓮᒙ࡟Ⓨ㐩ࡋࡓᾏ㣗Ὕࠋ
Stop 13 すஅ⾲ᕷ႐ᚿ㮵ᓮࠋ⇃ẟᒙ⩌すஅ⾲ᒙࡢሢ≧◁ᒾࠋࢱ࣐ࢿࢠ≧㢼໬ࠊ⻏ࡢᕢ≧㢼໬ࡀⓎ㐩ࡋ࡚࠸ࡿࠋᾏᓊẁୣୖ࡟ࡣἾ㉁ᒾࡢ㟢ฟ᭷ࡾࠋ
Stop 14 すஅ⾲ᕷୖྂ⏣௜㏆ࠋ⇃ẟᒙ⩌すஅ⾲ᒙࡢ◁Ἶ஫ᒙࠋ㡫ᒾᵝ࡛㯮Ⰽ⦓ᐦ࡞ᒾ▼࡟๼㛤ࡀⓎ㐩ࠋ◁Ἶྛᒙࡣᩘ m ࠿ࡽᩘ༑ m ࡢཌࡉࢆᣢࡘࠋヨᩱࢆ᥇ྲྀࡋࡓ㸦ヨᩱ␒ྕ
TNG201504㸧
ࠋ᥇ྲྀࡋࡓヨᩱࡢᒾ▼ⷧ∦ࢆసᡂࡋほᐹࡋࡓ࡜ࡇࢁࠊྛヨᩱࡣ○ᒌ≀࠿ࡽ࠿ࡽ࡞ࡾࠊ▼ⱥࡸᒾ∦ࡀ༟㉺ࡋ࡚࠸ࡿࠋᡤࠎ࡟㯮࠸➽≧ࡢᵓ㐀ࡀ☜ㄆࡉࢀࠊᅽຊ⁐ゎࢩ࣮࣒࡜ᛮࢃࢀࡿࠋ

ࡲ࡜ࡵ✀Ꮚᓥ࡛ࡢᆅ㉁ㄪᰝ࡟ࡼࡾࠊᅄ୓༑ᖏࢆᵓᡂࡍࡿ୺せ࡞㒊ศࡀ◁Ἶ஫ᒙ࡛࠶ࡿࡇ࡜ࡀ☜ㄆࡉࢀࡓࠋἾ㉁㒊ࡣᙅኚᡂࢆཷࡅ࡚࠸ࡿ࡜ᛮࢃࢀࠊ⦓ᐦ࡛๼㛤ࡀⓎ㐩ࡋࡓ㡫ᒾ࡜࿧ࡪ࡭ࡁ⏘≧ࡢࡶࡢࡀከࡃㄆࡵࡽࢀࡓࠋ㝣ୖ࡟㟢ฟࡍࡿᅄ୓༑ᖏ࡜ࡋ࡚ࡣᾏ⁁ᐤࡾ࡟఩⨨ࡍࡿ࡟ࡶ㛵ࢃࡽࡎኚᡂᗘࡀ㧗࠸ࡢࡣࠊỿࡳ㎸ࡳ࡟క࠺ᇙἐࡼࡾࡶูࡢ⇕ⓗせᅉࡀ⪃࠼ࡽࢀࡿࠋᒇஂᓥ࡟㈏ධ
ࡋࡓ῝ᡂᒾయࡀࡑࡢ୍ᅉ࡜⪃࠼ࡽࢀࡿࠋ⇕ⓗᙳ㡪ࢆཷࡅࡓࡇ࡜࡟ࡼࡾᅽຊ⁐ゎࡢⓎ㐩ࡶಁ㐍ࡋࡓ࡜⪃࠼ࡽࢀࠊ௒ᚋ໬Ꮫ⤌ᡂศᯒ࡟ࡼࡗ࡚య✚ኚ໬ࡀᐃ㔞ࡉࢀࢀࡤ✀Ꮚᓥᆅᇦࡢᅄ୓༑ᖏ
ࡢᆅྐ᚟ඖࡢ୍ຓ࡟࡞ࡿ࡛࠶ࢁ࠺ࠋ

ᘬ⏝ᩥ⊩
GRANT, J. A. 1986. The Isocon Diagram; A Simple Solution to Gresens’s Equation for Metasomatic
Alteration. Economic Geology, 81(8): 1976-1982.
GRESENS, R. 1967. Composition-Volume Relationships of Metasomatism. Chemical Geology, 2: 47-65.
KAWABATA, K., TANAKA, H. and KIMURA, G. 2007. Mass Transfer and Pressure Solution in Deformed
Shale of Accretionary Complex: Examples from the Shimanto Belt, Southwestern Japan. Journalof Structural Geology, 29: 697-711.
KITAMURA, Y. and KIMURA, G. 2012. Dynamic Role of Tectonic Mélange during Interseismic Processof Plate Boundary Mega Earthquakes. Tectonophysics, 568-569: 39-52.
KITAMURA, Y., SATO, K., IKESAWA, E., IKEHARA-OHMORI, K., KIMURA, G., KONDO, H., UJIIE, K.,
ONISHI, C. T., KAWABATA, K., HASHIMOTO, Y., MUKOYOSHI, H. and MASAGO, H. 2005. Mélange
and Its Seismogenic Roof Décollement: A Plate Boundary Fault Rock in the Subduction
Zone—An Example from the Shimanto Belt, Japan. Tectonics, 24(5): TC5012.
✀ᏊᓥᆅᏛྠዲ఍⦅ 1984㸬✀Ꮚᓥࡢᆅ㉁㸪124 㡫㸪すஅᓥᕷᩍ⫱ጤဨ఍㸪㮵ඣᓥ㸬
南太平洋海域調査研究報告 No.56（2015年3月）
OCCASIONAL PAPERS No.56（March 2015）㏆ୡ✀Ꮚᓥ࡟࠾ࡅࡿẼೃኚືబ⸨ᏹஅClimate Change in Tanegashima Islandof the Early Modern Period
SATO Hiroyuki㮵ඣᓥ኱Ꮫᩍ⫱Ꮫ㒊
Faculty of Education, Kagoshima University
せ᪨ᮏ◊✲ࡣࠊ16 ୡ⣖࠿ࡽ 19 ୡ⣖༙ࡤࡢࠕᑠịᮇࠖ࡜࿧ࡤࢀࡿୡ⏺ⓗ࡟ᐮ෭࡜ࡉࢀࡓ᫬ᮇ࡟ࠊ✀Ꮚᓥ࡟࠾࠸࡚࡝ࡢࡼ࠺࡞Ẽೃኚືࡸ⅏ᐖࡀⓎ⏕ࡋࠊࡑࢀ࡟࠸࠿࡟♫఍ࡀᑐᛂࡋ࡚࠸ࡓࡢ࠿ࠊ
ࠗ✀Ꮚᓥᐙ㆕࠘ࢆࡶ࡜࡟࠶ࡁࡽ࠿࡟ࡋࡓࡶࡢ࡛࠶ࡿࠋ

ᮏ◊✲࡛⏝࠸ࡓࠗ✀Ꮚᓥᐙ㆕࠘ࡣࠊ✀Ꮚᓥᐙ࡟ࡼࡗ࡚Ụᡞ᫬௦࠿ࡽ᫂἞᫬௦࡟࠿ࡅ࡚
⦅⧩ࡉࢀࡓྠᐙࡢṔ௦⣔㆕ࠊᖺ㆕࡛࠶ࡿࠋ㏆ୡ⸃ᦶ⸬ୖኈ࣭⚾㡿୺ࡓࡿྠᐙࡢ⣔ᅗࠊṔ௦ࡈ࡜ࡢ⦅ᖺグ஦ࠊࡑࢀ࡟ᩥ᭩ࠊྐᩱࡀᤄධ࣭グ㍕ࡉࢀ࡚࠸ࡿⅬ࡟≉ᚩࡀ࠶ࡿࠋ⌧ᅾࠊࠗ㮵ඣᓥ┴ྐᩱ ᪧグ㞧㘓ᣠ㑇࠘ࡢࠕᐙࢃࡅ 4࣭8࣭9ࠖ㸦1993 ᖺ࣭1999 ᖺ࣭2001 ᖺ㸧࡟⩻้ࡉࢀ࡚࠾ࡾࠊྠ᭩ࡼࡾẼೃኚືࡸ⅏ᐖࠊ࠾ࡼࡧࡑࢀ࡬ࡢ♫఍ⓗᑐᛂ࡟㛵ࡍࡿグ஦ࢆᢳฟࡋࡓ㸦࡞࠾ࠊࡇࡢసᴗ࡟ࡘ࠸࡚ࡣෆᒣ኱ᡂẶࡢ༠ຊࢆᚓࡓ㸧ࠋ
16 ୡ⣖࠿ࡽ 19 ୡ⣖༙ࡤࡲ࡛ࡢ࠾ࡼࡑ 300 ᖺ㛫ࡣࠊୡ⏺ⓗ࡟ᐮ෭࡞ࠕᑠịᮇࠖ࡜࿧ࡤࢀࠊ ᬮᮇ࡜ᐮ෭ᮇࡀ⧞ࡾ㏉ࡉࢀࡿ᫬௦࡛࠶ࡗࡓ㸦⾲ 1㸧ࠋ
⾲ 1 ᪥ᮏࡢᑠịᮇࡢ᫬ᮇ༊ศ᫬ᮇ➨1ᑠịᮇ➨1ᑠ㛫ịᮇᑠịᮇ➨2ᑠịᮇ➨2ᑠ㛫ịᮇ
➨3ᑠịᮇ

ᮇ
1
1'
2-1
2-2
2'
3-1
3-2
3-3

すᬺ
1610-1650
1650-1690
1690-1740

1690-1720
1720-1740
1780-1820

㠀ᖖ࡟ᐮ෭
ᐮ෭
ᬮ
ᐮ෭

1820-1850
1850-1880

㠀ᖖ࡟ᐮ෭
ᐮ෭

1740-1780
1780-1880

Ẽೃ
㠀ᖖ࡟ᐮ෭
ᬮ

ὀ㸸๓ᓥ㑳㞝࣭⏣ୖၿኵࠕ୰ୡ࣭㏆ୡ࡟࠾ࡅࡿẼೃኚື࡜⅏ᐖࠖࠗᆅ⌮࠘27㸦12㸧㸦ྂ௒᭩㝔ࠊ1982ᖺ㸧ࡼࡾసᡂ
SATO Hiroyukiࡑࡇ࠿ࡽࡳࡽࢀࡿ✀ᏊᓥࡢẼೃኚື࡜⅏ᐖࡢ≉ᚩࢆࠊ࠸ࡃࡘ࠿ᣲࡆ࡚ࡳࡼ࠺ࠋ
ձ 1'ᮇ㸦 ᬮᮇ㸧㸸ඖ⚘ඖᖺ㸦1688㸧8 ᭶ 18 ᪥ࠊ⤊᪥ྎ㢼࡟ぢ⯙ࢃࢀࠊ₻Ỉࡀ኱࠸࡟⁄ࢀฟࡍࠋࡇࡢྎ㢼ࡣࠕ୐ඵ༑ᖺ᮶ᮍ᭯᭷࡛ࠖ࠶ࡾࠊᾏ㎶ࡢேᐙࡣ⁻ὶࡋࠊಽᐙ 849㌺ࠊᩢ∵㤿 170 㢌ࠊ◚⯪኱ᑠ 22 ⯺ࠊ஬✐ 749 ▼వࡾࡢ⿕ᐖࡀ࠶ࡗࡓࡇ࡜ࡀグࡉࢀ࡚࠸ࡿࠋࡉࡽ࡟ྠᖺࠊ᪭㨧࡟ࡶぢ⯙ࢃࢀࠊࠕ஬✐୙⇍࡛ࠖ኱㣚㤡࡜࡞ࡗࡓࠋ⏕ࡢ➉ࢆ
㣗࡭࡚㸦
ࠕ࿡ዴ⡿ࠖ
㸧㣚࠼ࢆࡋࡢ࠸ࡔࡀࠊࡑࡢ➉ࡶᯤࢀ࡚ࡋࡲࡗࡓ࡜࠶ࡿࠋ
ղ 2-1 ᮇ㸦㠀ᖖ࡟ᐮ෭ᮇ㸧
ࠊ2-2 ᮇ㸦ᐮ෭ᮇ㸧㸸ඖ⚘ 4 ᖺ㸦1691㸧7 ᭶ 17 ᪥ࠊᆏ஭ᮧ࣭
⌧࿴ᮧ࣭Ᏻ⣡ᮧ࡛㞿ࡀ㝆ࡿࠋྠ 7 ᖺ 11 ᭶ 26㹼29 ᪥࡟ࡣ㮵ඣᓥᇛୗ࡛኱㞷࡜࡞ࡾࠊᒇୖ⣙ 78 ੉ࠊᆅୖ⣙ 50 ੉ࠊᒣ㔝⣙ 90 ੉ࡢ✚㞷ࡀ࠶ࡗࡓࠋࡲࡓࠊඖ⚘ 6ࠊ9ࠊ14ࠊ15
㸦2 ᅇ㸧
ࠊ16 ᖺࠊᐆỌ 4㸦1707㸧
㸦2 ᅇ㸧
ࠊ6 ᖺࠊṇᚨඖᖺ㸦1711㸧
㸦2 ᅇ㸧
ࠊாಖ 13㸦1728㸧ࠊ
14㸦3 ᅇ㸧ࠊඖᩥ 3 ᖺ㸦1738㸧࡟ࠕ኱㢼ࠖ㸦ྎ㢼㸧ࠊࠕὥỈࠖ࡟ぢ⯙ࢃࢀࠊᐙᒇ࣭⏣ᆅࡀᦆቯࠊඖ⚘ 14 ᖺ࡟ࡣᓥ୰㣚㤡࡟ࠊᐆỌ 4 ᖺ࡟ࡣ᪭㨧࡜⼄ࠊṇᚨ 4 ᖺ 5㹼7 ᭶࡟࠿ࡅ࡚᪭㨧ࠊாಖ 17 ᖺ࡟⼄࡟ࡼࡿ⿕ᐖ࡛ࠕ஬✐୙⇍ࠖࡢ≧ែ࡛࠶ࡗࡓࠋ
ճ 2'ᮇ㸦 ᬮᮇ㸧㸸ࡇࡢ᫬ᮇࡣࠊྎ㢼ࠊ኱㞵ࠊὥỈ࡟ࡼࡿ⿕ᐖࡶከ࠸ࡀࠊ௚ࡢ᫬ᮇ࡟ẚ࡭࡚ࠕ㞶㸦㞵ஒ࠸㸧ࠖࡢグ㏙ࡀከࡃࡳࡽࢀࡿࠋᘏா 3 ᖺ㸦1746㸧6 ᭶ࠊྠ 4 ᖺ 6ࠊ7 ᭶ࠊᐶᘏඖᖺ㸦1748㸧6 ᭶ࠊᐆᬺඖᖺ㸦1751㸧6 ᭶ࠊྠ 7 ᖺ 6ࠊ7 ᭶ࠊྠ 10 ᖺ 3ࠊ4 ᭶ࠊ
ྠ 12 ᖺ 5 ᭶ࠊ᫂࿴ 8 ᖺ㸦1771㸧3 ᭶ࠊᏳỌ 7 ᖺ㸦1778㸧2ࠊ5 ᭶ࠊኳ᫂ඖᖺ㸦1781㸧
3ࠊ5 ᭶࡟ࠊ㬞ዪᕝࡸ୰ᔱࠊᮏ※ᑎ࡟࠾࠸࡚㞵ஒ࠸ࡀᇳࡾ⾜ࢃࢀࡓࠋࡇࡢ᫬ᮇࡀ෭ኟ
࡜ᬬኟࡀ 2㹼3 ᖺࡢ࿘ᮇ࡛⧞ࡾ㏉ࡉࢀࡿẼೃኚືࡢ኱ࡁ࡞⎔ቃ࡟ࡉࡽࡉࢀ࡚࠸ࡓ᫬ᮇ
࡛࠶ࡗࡓ࡜࠸࠺ࡇ࡜ࡀ࡛ࡁࡼ࠺ࠋ
մ 3-1 ᮇ㸦ᐮ෭ᮇ㸧㸸ࡇࡢ᫬ᮇࠊ࠸ࢃࡺࡿỤᡞᅄ኱㣚㤡ࡢ୍ࡘࠊኳ᫂ࡢ኱㣚㤡㸦ኳ᫂ 2
㹼7 ᖺ㸧ࡀᮾ໭ᆅ᪉ࢆ୰ᚰ࡟Ⓨ⏕ࡍࡿࠋ✀Ꮚᓥ࡛ࡣྎ㢼ࡸ኱㞵࣭ὥỈ࡟ࡼࡿᐙᒇࡢಽ
ቯࠊ⏣⏿ࡢᦆቯࡀࡳࡽࢀࠊᓥ୰㣚㤡≧ែ࡛࠶ࡗࡓࠋᩆ࠸⡿࡜ࡋ࡚⮬ᅜ࣭௚ᅜࡼࡾ⡿ࢆ㈙࠸ධࢀࡿࡓࡵࠊ኱ᆏࡼࡾ೉㖟ࢆ⾜ࡗ࡚࠸ࡓࠋࡋ࠿ࡋࠊ㏉῭ࡢぢ㎸ࡳࡀ࡞࠸ࡓࡵࠊ
ᚚ⏝ᮌ௨እࡢᮌ㸦ᯇ࡞࡝㸧ࢆ኎㈙ࡋࡓࡁ᪨ࢆ㢪࠸ฟ࡚࠸ࡿࠋࡑࢀࡼࡾࡶ⿕ᐖࡀ኱ࡁ࠿ࡗࡓࡢࡀࠊᩥ໬ඖ㸦1804㸧
ࠊ2 ᖺ࡟Ⓨ⏕ࡋࡓ኱㣚㤡࡛࠶ࡿࠋࡇࡢ㣚㤡ࡣྎ㢼࡜⼄࡟ࡼࡿปస࡛࠶ࡾࠊࡑࢀ࡟ຍ࠼ࠕ኱␿ࠖ࡟ࡼࡗ࡚ከࡃࡢே࿨࡜∵㤿ࡢ࿨ࡀዣࢃࢀࡓࠋ
✀ᏊᓥẶࡣࠊ⸃ᦶ⸬࡟ᑐࡋࠊῶචࡢ⏦ㄳࠊ೉⡿ 1,000 ▼ࠊ✀Ꮚ⢄ 1,000 ಥ࡞࡝ࡢᩆ῭ࢆ㢪࠸ฟ࡚࠸ࡿࠋࡑࡢᚋࠊᩥ໬ 8㹼15 ᖺ࡟ࡶྎ㢼࡜ὥỈ࡟ࡼࡿ㣚㤡ࡀⓎ⏕ࡋ࡚࠸ࡿࠋ
յ 3-2 ᮇ㸦㠀ᖖ࡟ᐮ෭ᮇ㸧㸸ࡇࡢ᫬ᮇࠊኳಖࡢ኱㣚㤡㸦ኳಖ 4㹙1833㹛㹼10 ᖺ㸧ࡀᮾ໭ᆅ᪉ࢆ୰ᚰ࡟඲ᅜⓗ࡟Ⓨ⏕ࡍࡿࠋ✀Ꮚᓥ࡛ࡣࠊࡑࢀ࡟ඛ❧ࡘᩥᨻ 7㸦1824㸧㹼ኳಖ
2 ᖺ࡟࠿ࡅ࡚ྎ㢼࣭኱㞵࣭ὥỈ࣭⼄࡟ࡼࡿปᖺ࡜࡞ࡿࠋኳಖ 3 ᖺ࡟᪭㨧ࠊྠ 4 ᖺ࡟ྎ㢼࣭ὥỈࠊྠ 5 ᖺ࡟⼄ࠊྠ 6 ᖺ࡟ྎ㢼࣭₻Ỉ࣭᪭㨧ࠊྠ 7 ᖺ࡟ྎ㢼࣭①⑈ࠊ
ྠ 8 ᖺ࡟ྎ㢼࣭᪭㨧ࠊྠ 9 ᖺ࡟ྎ㢼࣭⼄ࡀⓎ⏕ࡋปᖺ࡜࡞ࡿࠋࡍ࡞ࢃࡕࠊኳಖࡢ
኱㣚㤡ࡣࠊࡇࡢ✀Ꮚᓥ࡟࠾࠸࡚ࡶぢࡽࢀࡓ࡜࠸࠺ࡇ࡜ࡀ࡛ࡁࡿࠋࡋ࠿ࡋࠊኳಖࡢ
኱㣚㤡࡟ࡳࡽࢀࡓᐮ෭໬࣭㛗㞵࣭෭ኟ࡜࠸࠺≉ᚩࢆぢ࠸ࡔࡍࡇ࡜ࡣ࡛ࡁࡎࠊ᪭㨧࣭ྎ㢼࣭⹸ᐖ࡟ࡼࡗ࡚ᘬࡁ㉳ࡇࡉࢀࡓ㣚㤡࡛࠶ࡗࡓ࡜≉ᚩ࡙ࡅࡽࢀࡿࠋ


南太平洋海域調査研究報告 No.56（2015年3月）
OCCASIONAL PAPERS No.56（March 2015）ࢺ࢝ࣛิᓥ࡟࠾ࡅࡿ↓ேᓥ㸦ᶓᙜᓥ࣭⮩⺬ᓥ㸧ࡢ
⪃ྂᏛ㋃ᰝ
᪂㔛㈗அ

Archaeological Survey on the Uninhabited Yokoatejima
and Gajyajima Islands, the Tokara Islands, Kagoshima
SHINZATO Takayuki㮵ඣᓥ኱Ꮫᇙⶶᩥ໬㈈ㄪᰝࢭࣥࢱ࣮
Research Center for Archaeology, Kagoshima University

せ᪨ࢺ࢝ࣛิᓥ 12 ᓥࡢ࠺ࡕࠊ⪃ྂᏛㄪᰝࡢᐇ᪋ࡉࢀ࡚࠸࡞࠸ 2 ࡘࡢ↓ேᓥࠊᶓᙜᓥ࡜⮩⺬ᓥࡢศᕸㄪᰝࢆ⾜ࡗࡓࠋᶓᙜᓥࡣ᭷ྐ௨᮶ࠊ↓ேᓥ࡜ࡉࢀࡿⅆᒣᓥ࡛࠶ࡾࠊ⮩⺬ᓥࡣᩥ⊩グ㘓ୖࠊ୰ୡ࡟
ࡣᒃఫࡀ☜ㄆࡉࢀࠊ1970 ᖺ௨㝆↓ே࡜࡞ࡗࡓᓥ࡛࠶ࡿࠋ㋃ᰝࡢ⤖ᯝࠊᶓᙜᓥ࡛ࡣ࠸ࢃࡺࡿࠗ༡ᓥ
㞧ヰ࠘ࡢグ㍕㏻ࡾࠊἈ⦖ஂ㧗ᓥே࠿዆⨾ࡢ⁺Ẹࡀᣢࡕࡇࢇࡔ࡜ᛮࢃࢀࡿ 19 ୡ⣖௦ࡢἈ⦖ናᒇ❔⏘Ⲩ↝ࡢ◚∦ࡀ 2 ಶయศ☜ㄆࡉࢀࠊ⮩⺬ᓥ࡛ࡣྂ௦࠿ࡽ㏆ୡ࡟ཬࡪᅵჾ࣭ᅵᖌჾࡸᚨஅᓥ⏘࣒࢝࢕ࣖ࢟ࠊ୰ᅜ㱟Ἠ❔⣔㟷☢ࠊ⫧๓☢ჾࡸ⸃ᦶ↝࠾ࡼࡧ୰ᅜΎᮅ☢ჾ࡞࡝ࢆ࠿࡞ࡾࡢᩘ㔞࡛ㄆࡵࡿࡇ
࡜ࡀ࡛ࡁࠊ⮩⺬ᓥࡢṔྐࡀ᫂ࡽ࠿࡟ᩥ⊩௨๓ࡢ᫬௦࡟ࡉ࠿ࡢࡰࡿࡇ࡜ࢆᐇドࡋࡓࠋࡣࡌࡵ࡟ᅜ㝿ᓥᕋᩍ⫱◊✲ࢭࣥࢱ࣮࡛ࡣࠊᖹᡂ 26 ᖺᗘࡢㄪᰝᆅᇦ࡜ࡋ࡚኱㝮ㅖᓥࢆᑕ⛬࡜ࡋ࡚࠸ࡿࡀࠊ➹⪅ࡣㅖ⯡ࡢ஦᝟࠿ࡽࠊࡑࡢ༡㞄࡟఩⨨ࡍࡿࢺ࢝ࣛิᓥࡢ↓ேᓥࠊᶓᙜ
ᓥࠊ⮩⺬ᓥࡢ⪃ྂᏛⓗศᕸㄪᰝࢆ⾜ࡗࡓࠋΏᓥ࡟㝿ࡋ࡚ࡣ༡すᓥᘼᆅ㟈ⅆᒣほᡤࡢ඲㠃ⓗ࡞ࡈ༠ຊࢆᚓ࡚ᐇ᪋ࡋࡓࠋ
ࢺ࢝ࣛิᓥࡢ࡞࠿࡛ࡶ࡯࡜ࢇ࡝⪃ྂᏛⓗ᝟ሗࡢ࡞࠸ᶓᙜᓥࠊ⮩⺬ᓥ࡛࠶ࡿࡀࠊᶓᙜ
ᓥࡣ᭷ྐ௨᮶↓ேᓥ࡛࠶ࡿ࡜ࡉࢀࡿࡶࡢࡢࠊỤᡞᮇࡢᖥᗓ᧝⤮ᅗ࡛ࡶⅆᒣᓥ࡜ࡋ࡚ࡢ
Ꮡᅾࡣㄆࡵࡽࢀ࡚࠾ࡾࠊᖥᮎ࡟ࡣࠊྡ㉺ᕥ※ኴࡢ࠸ࢃࡺࡿࠗ༡ᓥ㞧ヰ࠘㸦1881 ᖺ㹼1885
ᖺࡢグ㘓㸧࡟࠾࠸࡚ࠊἈ⦖ஂ㧗ᓥேࡸ዆⨾኱࿴὾ࡢ⁺Ẹࡀ⁺ᧄάື࡛ゼࢀ࡚࠸ࡿࡇ࡜
ࡀグ㍕ࡉࢀ࡚࠸ࡿ㸦ྡ㉺㹙ᅜศ࣭ᜨⰋᰯὀ㹛

1984a, 1984b㸧
ࠋ10
SHINZATO Takayuki࠸ࡗࡱ࠺⮩⺬ᓥࡣࠊᓥὠࡢ༑஧ᓥᆅ㢌⫋ࡢㆡ୚ࡸᩱᡤ࡞࡝ࡢ᭩≧㸦1436 ᖺ㸧ࡸ✀Ꮚᓥᐙ࡬ࡢୖ⣡ရ┠㸦ᮌ⥥࣭㫎⠇࣭ᑠᱩ㸧ࡢ᪥グ㸦1513 ᖺ㸧࡟ࡼࡗ࡚ᨭ㓄⪅ᒙ࡜ࡢ㛵ಀ࡛▱ࡽࢀࡿࡼ࠺࡟࡞ࡿ㸦༑ᓥᮧㄅ⦅㞟ጤဨ఍

1995㸧
ࠋࡲࡓࠊ1450 ᖺ࡟ᮅ㩭ேࡀ⮩⺬ᓥ࡟⁻╔ࡋࠊᓥ࡟ 30 వᡞࡢఫᒃࡀ࠶ࡗࡓࡇ࡜ࡀṇྐࠗᮅ㩭⋤ᮅᐇ㘓࠘࠿ࡽ❚࠼ࡿࠋ
1471 ᖺ㑅㞟ࡢࠗᾏᮾㅖᅜ⣖࠘㸦⏦㹙⏣୰ヂὀ㹛 1991㸧ࡢᆅᅗ࡟ࡶᥥ࠿ࢀ࡚࠸ࡿࠋ1970
ᖺ 7 ᭶ᮎ࡟ࡣᓥẸ඲ဨࡀ௚ᆅᇦ࡬⛣ఫࡋࠊ᭷ேᓥ࡜ࡋ࡚ࡢṔྐࡢᖥࢆ㛢ࡌࡓࠋㄪᰝ⤖ᯝᶓᙜᓥ࡛ࡣࠊᮾᓠ㯄࡟࠶ࡿ 2 ⟠ᡤࡢ኱ᆺⅆᒣᙎࡢ㏆㞄࡛ࠊἈ⦖ናᒇ❔⏘Ⲩ↝㸦࢔ࣛࣖࢳ㸧◚∦ࢆ᥇㞟ࡍࡿࡇ࡜ࡀ࡛ࡁࡓ㸦ᅗ 1㸧
ࠋ⥲ィ 5 ಶ࡛ࠊ࠾ࡑࡽࡃ 2 ಶయศࡢ◚∦࡛࠶ࡿࠋჾ✀ࡣ኱ᆺ㸦ཱྀᚄ 15㹼17cmࠊჾ㧗 60㹼70cmࠊᗏᚄ 20㹼30cm㸧ࡢኑ࠶ࡿ࠸ࡣ
⏎࡟┦ᙜࡍࡿࠋ↝ᡂ࣭ჾ㠃ㄪᩚࠊჾⰍ࡞࡝࠿ࡽุ᩿ࡋ࡚ࠊ19 ୡ⣖௦ࡢⲨ↝࡛࠶ࡿࠋ㑇≀㔞ࡣᴟࡵ࡚ᑡ࡞࠸ࡀࠊษࡾ❧ࡗࡓᓴࡢୖ㒊࡟఩⨨ࡍࡿࡢ࡛㸦ᶆ㧗⣙ 25㹼30m㸧
ࠊ᫂ࡽ࠿࡟ேࡀΏᓥࡋ࡚ᣢࡕ㎸ࢇࡔࡇ࡜ࡣ᫂ࡽ࠿࡛࠶ࡿࠋ
⮩⺬ᓥࡣࠊᶆ㧗⣙ 50m ࡢษࡾ❧ࡗࡓᓴୖ࡟㞟ⴠ㊧ࡀ☜ㄆ࡛ࡁࡿ㸦ᅗ 2㸧
ࠋ1970 ᖺࡲ࡛ேࡀఫࢇ࡛࠸ࡓࡇ࡜ࡶ࠶ࡗ࡚ࠊ㏆ୡ㹼⌧௦ࡢ㑇≀ࡀࠊ㞟ⴠ㊧඲ᇦ࡟ࢃࡓࡗ࡚ศᕸ
ࡋ࡚࠸ࡿࠋ≉࡟Ụᡞ᫬௦௨㝆ࡢỈ⏎ࠊ࿡ჯ⏎ࠊ↝㓅⏎ࡢ㢮㸦ናᒇ↝࣭⸃ᦶ↝࣭◲㓟⎼㸧ࡀ᏶ᙧရࡢࡲࡲࠊᅵ㛫㊧ࡸఫᒃ⬥࡟ᶓࡓࢃࡗ࡚࠸ࡿࠋ୰ୡࡢ㑇≀ࡶ㏆ୡ௨㝆ࡢ㑇≀࡜ẚ࡭ࡿ࡜࠿࡞ࡾᩘࡣῶࡿࡀࠊࡸࡣࡾྠࡌࡼ࠺࡞ศᕸ≧ἣ࡛࠶ࡿࠋ
㞟ⴠࡣ⦆࠸ഴᩳᆅࢆẁࠎ࡟ษࡾࠊ㐀ᡂࡋ࡚ᖹᆠᆅࢆࡘࡃࡾࡔࡋࠊࡑࡢୖ࡟ఫᒃࢆ
ᘓ࡚࡚࠸ࡓ࡜ࡳࡽࢀࡿࠋ㞟ⴠ㊧ዟ㒊࡟ࡶࡑࡢࡼ࠺࡞ษࡾ㏻ࡋࢆ☜ㄆࡍࡿࡇ࡜ࡀ࡛ࡁࡿ
ࡀࠊࡑࡇ࡟ᖜ 50cm ࡯࡝ࡢⰋዲ࡟ṧࡿ㑇≀ໟྵᒙࢆ☜ㄆࡍࡿࡇ࡜ࡀ࡛ࡁࡓࠋ᩿㠃࡛☜ㄆ࡛ࡁࡿ㑇≀ࡣࠊᅵჾࡸᅵᖌ㉁ࡢ↝≀ࡢࡳ࡛࠶ࡿࠋཱྀ⦕㒊ࡀ࡞࠿ࡗࡓࡓࡵࠊࡑࡢ᫬ᮇࢆ

ᅗ 1 ᶓᙜᓥ

ᅗ 2 ⮩⺬ᓥ11Archaeological Survey on the Uninhabited Yokoatejima and Gajyajima Islands, the Tokara Islands, Kagoshimaุ᩿ࡍࡿࡢࡣ㞴ࡋ࠸ࡀࠊྂ௦௨๓ࡢྍ⬟ᛶࡀ㧗࠸ࠋ㞟ⴠ㊧࡛᥇㞟࡛ࡁࡓ㑇≀ࡢ✀㢮ࡣࠊᅵჾ࣭ᅵᖌჾ㸦ඛྐ᫬௦㹼ྂ௦㸧ࠊᚨஅᓥ⏘࣒࢝࢕ࣖ࢟㸦11㹼13 ୡ⣖๓༙㸧ࠊ୰ᅜ❳Ἠ❔⣔㟷☢㸦12㹼15 ୡ⣖㸧ࠊ⫧๓☢ჾ㸦17㹼19 ୡ⣖㸧ࠊ⸃ᦶ↝㸦17㹼19 ୡ⣖㸧ࠊናᒇ⏘Ⲩ↝㸦17㹼19 ୡ⣖㸧ࠊ୰ᅜΎᮅ☢ჾ㸦18㹼19 ୡ⣖㸧࡞࡝࡛࠶ࡿࠋࡇࢀࡽࡢ࠺ࡕ◚∦࡛☜ㄆ࡛ࡁࡿࡶࡢࡢ኱༙ࡣࠊ1970 ᖺࡲ࡛࡟⾜ࢃࢀࡓᖹᆠᆅࢆࡘࡃࡿࡓࡵࡢഴᩳᆅ๐ᖹࡢ㝿࡟᥀ࡾฟࡉࢀࡓࡶࡢࠊ࡜ࡳ࡞ࡋ࡚࠾ࡃ࡯࠺ࡀጇᙜ࡛࠶ࢁ࠺ࠋ

⪃ᐹᶓᙜᓥ࡟ࡣỈࡀ࡯࡜ࢇ࡝࡞࠸ࠋ2 ಶయࡢἈ⦖ናᒇ❔⏘Ⲩ↝ࡣ 19 ୡ⣖௦ࡢࡶࡢ࡛࠶ࡾࠊ
19 ୡ⣖ᚋ༙ᮇࡢグ㘓࡛࠶ࡿࠗ༡ᓥ㞧ヰ࠘ࡢᶓᙜᓥࡢ㡯┠࡟ࡼࢀࡤࠊ࢚ࣛࣈ࣑࢘࣊ࣅࡸ
㨶㢮ࢆ᥇ࡾ࡟᮶ࡓἈ⦖ஂ㧗ᓥேࠊ࠶ࡿ࠸ࡣ዆⨾኱࿴὾࠿ࡽ㈅᥇ࡾ࡟᮶ࡓ዆⨾ேࡢ⁺Ẹ࡟ࡼࡗ࡚ࡶࡓࡽࡉࢀࡓ࡜⪃࠼ࡿ࡯࠺ࡀጇᙜ࡛࠶ࢁ࠺ࠋྠࡌ኱ࡁࡉࡢኑࡢ᏶ᙧရࡀ 17kg࠶ࡾࠊỈࢆ࠸ࡗࡥ࠸࡟ධࢀࡿ࡜⥲ィ 60kg ࢆ㉸࠼ࡿ㔜㔞࡜࡞ࡾࠊࡲࡓࠊ᥋ᓊ㒊࠿ࡽᓴ
ࢆࡼࡌⓏࡽ࡞ࡅࢀࡤ࡞ࡽ࡞࠸ࡓࡵࠊỈࢆከ㔞࡟ධࢀ࡚ᣢࡕ㎸ࡴࡢࡣᴟࡵ࡚ᅔ㞴࡛࠶ࡿࠋࡇࢀࡽࡢࡇ࡜࠿ࡽࠊ⁺ᧄάືࢆ┠ⓗ࡜ࡋࡓ୍ᐃᒃఫ࡟క࠺ኳỈ⁀ࡵࡢࡓࡵࠊᣢࡕ㎸ࡲࢀࡓࡶࡢ࡜⌮ゎࡉࢀࡿࠋ⮩⺬ᓥ࡟࠾ࡅࡿ୰ୡ㹼㏆ୡࡢ㑇≀ࡣࠊ᫬௦ⓗ࡞㑇≀㔞ࡢከᐻࡣ࠶ࡿࡶࡢࡢࠊ㞳ᓥ᫬ࡢ㞟ⴠ㊧඲ᇦ࡟ศᕸࡋ࡚࠾ࡾࠊᩥ⊩ୖࡢグ㘓࡜ྜ⮴ࡋ࡚࠸ࡿࠋࡋ࠿ࡋࠊ㞟ⴠዟ㒊ࡢ๐
ᖹษࡾ㏻ࡋ᩿㠃࡟ࡣࠊࡼࡾྂ࠸ᅵჾ࣭ᅵᖌჾ㢮ࢆ☜ㄆࡍࡿࡇ࡜ࡀ࡛ࡁࠊ⮩⺬ᓥࡢ᭷ேᓥ࡜ࡋ࡚ࡢṔྐࢆࠊᩥ⊩グ㘓ࡼࡾࡶࠊᑡ࡞ࡃ࡜ࡶ୍㝵Დྂࡃぢ✚ࡶࡿࡇ࡜ࡀ࡛ࡁࡿࡇ
࡜ࡀุ᫂ࡋࡓࠋ

࠾ࢃࡾ࡟௒ᅇࡢㄪᰝࡣࠊ୍ᓥ 5㹼6 ᫬㛫⛬ᗘࡢศᕸㄪᰝ୍ᅇ㝈ࡾࡢᡂᯝ࡛࠶ࡾࠊࡑࡢㄪᰝࡣ
ᮍࡔ⥴࡟ᑵ࠸ࡓࡤ࠿ࡾ࡛࠶ࡿࠋ≉࡟⮩⺬ᓥ࡟࠾࠸࡚ࡣࠊ௒ᅇࡢ㑇≀ໟྵᒙࡢⓎぢࡔࡅ࡛࡞ࡃࠊ㐣ཤ࡟ࡣᘺ⏕ᅵჾࡀ᥇㞟ࡉࢀࡓ࡜ࡶ࠸ࢃࢀ㸦୕཭

1954㸧
ࠊẁ࣮࣎ࣝ࠸ࡗࡥ

࠸ࡢ▼᩼ࡀ᥀ࡾฟࡉࢀࡓ࡜࠸࠺ヰࡶṧࡉࢀ࡚࠸ࡿࡀ㸦✄ᇉ

1978㸧ࠊ௒࡛ࡣࡑࡢᡤᅾ

ࡣ୙᫂࡜࡞ࡗ࡚࠸ࡿࠋࡑࡢࡓࡵࠊ௒ᚋࡢ㋃ᰝࡸⓎ᥀ㄪᰝ࡟ࡼࡿࢹ࣮ࢱࡢ✚ࡳ㔜ࡡࢆᚲせ࡜ࡍࡿࠋ⥅⥆ㄪᰝࢆᐇ᪋ࡋࠊࡑࡢヲ⣽ࢆ᫂ࡽ࠿࡟ࡋ࡚࠸ࡁࡓ࠸ࠋ
᭱ᚋ࡟࡞ࡾࡲࡍࡀࠊΏᓥࡢ౽ࢆ࡜ࡗ࡚ୗࡉࡗࡓ༡すᓥᘼᆅ㟈ⅆᒣほᡤࡢඵᮌཎᐶ

Ặ࠾ࡼࡧ࠾ㄏ࠸࠸ࡓࡔ࠸ࡓᅜ㝿ᓥᕋᩍ⫱◊✲ࢭࣥࢱ࣮㛗ᔱಇ௓Ặ࡟ᚰࡼࡾ࠾♩⏦ࡋ
ୖࡆࡲࡍࠋ

12
SHINZATO Takayuki

ᘬ⏝ᩥ⊩
✄ᇉᑦ཭

1978㸬ᒣ⨺࡜Ⱎ㓅㸸ࢼ࢜ࢺࣔࡢࢺ࢝ࣛ㸪228 㡫㸪ᮍ᮶♫㸪ᮾி㸬༑ᓥᮧㄅ⦅㞟ጤဨ఍⦅

1995㸬༑ᓥᮧㄅ㸪1758 㡫㸪༑ᓥᮧ㸪㮵ඣᓥ㸬ྡ㉺ᕥ※ኴ㸦ᅜศ┤୍࣭ᜨⰋᏹᰯὀ㸧 1984a㸬༡ᓥ㞧ヰ 1㸸ᖥᮎ዆⨾Ẹ಑ㄅ㸪209 㡫㸪ᖹซ♫㸪ᮾி㸬ྡ㉺ᕥ※ኴ㸦ᅜศ┤୍࣭ᜨⰋᏹᰯὀ㸧 1984b㸬༡ᓥ㞧ヰ 2㸸ᖥᮎ዆⨾Ẹ಑ㄅ㸪243 㡫㸪ᖹซ♫㸪ᮾி㸬୕཭ᅜ஬㑻
⏦1954㸬ࢺ࢝ࣛิᓥㄅ㸬ᇸ⋢኱Ꮫ⣖せேᩥ࣭♫఍⛉Ꮫ⠍㸪3㸸156-179㸬ུ⯚㸦⏣୰೺ኵヂὀ㸧

1991㸬ᾏᮾㅖᅜ⣖㸪440 㡫㸪ᒾἼ᭩ᗑ㸪ᮾி㸬

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南太平洋海域調査研究報告 No.56（2015年3月）
OCCASIONAL PAPERS No.56（March 2015）኱㝮ㅖᓥෆ㞟ⴠࡢேཱྀ࣭♫఍ኚື㸫㛤ᣅ࣭⛣ఫ࣭ᾘ⁛࣭᪂⏕࣭ᩥ໬᜚⯆㸫㛗ᔱಇ௓Social Changes and Demographical Structure of theVillages in the Osumi Islands: Reclamation, Emigration,
Extinction, Creation and Cultural Renaissance
NAGASHIMA Shunsuke㮵ඣᓥ኱Ꮫᅜ㝿ᓥᕋᩍ⫱◊✲ࢭࣥࢱ࣮Research Center for the Pacific Islands, Kagoshima University

せ᪨኱㝮 4 ᓥෆ㞟ⴠኚືࢆࠊேཱྀࢹ࣮ࢱ࣭Ṕྐ┬ᐹ࣭⌧ᆅ⪺ࡁྲྀࡾ࡛㏣㊧ࡋࡓࠋࡑࡢᡂᯝ࡟ຍ࠼ࠊ
ᒇஂᓥ࡛ࡣᗫᮧᚋࡢ᪂ఫẸࡀᒎ㛤ࡋࡓᩥ໬⎔ቃάືࠊ✀Ꮚᓥ࡛ࡣ⏋ᓥࢺࢩࢻࣥࡢ⛣ఫඛ⥅ᢎ᚟ά⤒⦋ࠊཱྀỌⰋ㒊ᓥ࡛ࡣṔྐ㈨ᩱసࡾࡢ᪂ࡓ࡞ྲྀࡾ⤌ࡳ࡜ᨭ᥼⤌⧊ࠊ㤿ẟᓥ࡛ࡣ෌᭷ேᓥⓏ㘓ᚋࡢ┤㏆ࢹ࣮ࢱ࡟ࡘ࠸࡚ࡲ࡜ࡵࡓࠋ

ᓥᕋேཱྀືែࡢᖹ㠃ⓗᕪ␗✵㛫ᆅᇦேཱྀࡢືែ㸦3 ḟඖ㸧ࢆࠊᖹ㠃㸦2 ḟඖ㸧ศᕸ࡛ᤊ࠼ࡿ࡟ࠊࡇࢀ࡯࡝ᴟ➃࡛ከᵝᛶࡢぢࡽࢀࡿᆅᇦ஦౛ࡣ⛥࡛࠶ࡿࠋṔྐᛶ࣭ᆅ⌮ᛶ࣭⛣ఫཷධ⎔ቃ࣭⅏ᐖ࣭ᩥ໬⥅ᢎ࣭ᩥ໬๰㐀➼࡟㛵ࡍࡿ≉␗࡞✵㛫ᛶࢆྛ㞟ⴠ࡜ᓥᕋࡀᢪ࠼࡚࠸ࡿࠋ

ᒇஂᓥ඲ᅜࡢ㞳ᓥྠᵝ࡟㧗༞ᚋ㐍Ꮫ࣭ᑵ⫋࡟ࡼࡿ♫఍ῶࡀ≌ᘬࡍࡿ㛗ᮇேཱྀῶᑡഴྥࡀ㢧ⴭ࡛࠶ࡗࡓࠋႠᯘ⨫ᘬᥭᚋࡢᑠᮡ㇂ࡣᗫᮧࠋ୍‖ ࡢᒣ㛫㒊㞟ⴠⓑᕝᒣ㸦ࡋࡽࡇࡸࡲ㸧14
NAGASHIMA Shunsukeᆅ༊ࡶႠᯘ⨫ᘬᥭᚋࠊேཱྀῶࢆ⤒㦂ࡍࡿࡀࠊ㛤ᣅ⪅ධ᳜ࡀධࡿࠋࡑࡢᚋἙᕝỏ℃ᅵ▼ὶ࡛ᗫᮧ࡟࡞ࡗࡓࡀࠊࣄࢵࣆ࣮ⓗேᮦࡀධ᳜ࡋࠊᩥ໬Ⓨಙ࣭⎔ቃάືᣐⅬ໬ࡍࡿࠋᙼ
ࡽࡶ㛵ࢃࡗࡓ᳃ᯘಖㆤάືᡂᯝࡶ࠶ࡾࠊ1993 ᖺࡢࣘࢿࢫࢥୡ⏺⮬↛㑇⏘Ⓩ㘓ࡀ࡞ࡉࢀࡿࠋࡑࡢ᫬௨㝆 I ࢱ࣮ࣥཷධ㸦Ẹᐟ࣭࢞࢖ࢻ࣭⮬↛ឡዲᐙ࣭࢖ࣥࢸࣜ㸧
ࠊU ࢱ࣮ࣥ⪅᪂つ஦ᴗᒎ㛤㸦Ẹᐟ࣭࢞࢖ࢻ࣭ᅵ⏘≀ᒇ㸧ࠊほගᴗ࣭㏻ಙᩍ⫱ࢫࢡ࣮ࣜࣥࢢᴗ᪂つཧධ➼࡛ࠊᏳᐃ໬ഴྥࡀጞࡲࡾ 20 ᖺ㏆ࡃ⥆࠸࡚࠸ࡿࠋᓥෆᚠ⎔㐨ࡀ࡛ࡁ࡚࠸ࡿࡏ࠸ࡶ
࠶ࡾࠊࡲࡓᒣ㛫㒊ഃ࡜ᾏᓊ㒊ഃ࡬ࡢ㠃✚ⓗࡺ࡜ࡾࡶ࠶ࡾࠊᓥෆ࡯ࡰᆒ➼࡛ࠊ≉ᐃ㞟ⴠ࣭ᆅᇦࡢࡳࡀⴠࡕ㎸ࡴ࡜࠸࠺⌧㇟ࡶ࡞࠸ࠋ➨୍ḟ I ࢱ࣮ࣥୡ௦ࡀᓥẸ࢞࢖ࢻ⫱ᡂ࡟ྲྀࡾ⤌ࢇ࡛࠾ࡾࠊࡑࢀࡀேཱྀῶࢆ㣗࠸Ṇࡵ࡚ࡶ࠸ࡿ࡞࡝ࡢࠊ඲ᅜⓗ࡟ࡶᕼ᭷࡞ᒎ㛤ࡀ⥆࠸࡚࠸ࡿࠋᏳᐃࡢ୰࡛ࡶ୰ᚰᆅ࡜す㒊ᯘ㐨ഃࡢ༡໭୧ᆅᇦ࡛ேཱྀࡀῶࡾࠊ༡࣭ᮾ㒊࡛ቑ࠼࡚࠸ࡿࡀࠊ⮬↛ὴᚿྥⓗ࡞♫఍ᙧᡂ࡜▩┪ࡋ࡞࠸ࠋཱྀỌⰋ㒊ᓥᖥᮎᮇ༙ᖺవࡾࡢ▷ᮇ㛫ࠊⱥᅜᐦ㈠᫆ᇶᆅ࡛࠶ࡾࠊᡓᚋ⾜ᨻศ㞳᫬௦ࡶቃ⏺஺᫆ᇶᆅ࡜ࡋ࡚≉ู࡞ሙᡤ࡛࠶ࡗࡓࠋ◲㯤⏘ᆅ࣭᫂἞ᮇཬࡧᡓᚋධ᳜ᆅ࡜ࡋ࡚ேཱྀᨭᣢຊࡶ
㧗ࡃࠊ㞟ⴠࡣ 20 ㏆ࡃ࡟ୖࡾࠊ1,500 ே࡟ࡶ㐩ࡋࡓࠋ࢞ࢪࣗࢶ⏕⏘ࡶ࠶ࡾࠊᒇஂᓥᒓᓥ
࡜ࡋ࡚ࡢᆅᇦ᱁ᕪ࡟୙‶ࡀ㧗ࡲࡾࠊศᮧ㐠ືࡶ୍᫬Ⓨ⏕ࠋ◲㯤⏘ᴗ⾶㏥࣭ⅆᒣ኱ᄇⅆࢆዎᶵ࡜ࡋ࡚ࠊேཱྀῶᑡࡣຍ㏿໬ࡋ࡚ࠊ ᫬ࡢ 1 ๭ࠋᒃఫᆅࡣ࡯ࡰ 2 ᆅ༊࡟㝈ᐃࠋࡦࡻ࠺ࡓࢇᓥ㸦ᒣᾏ㸧␃Ꮫ࡛ࠊᑠ୰ᏛᏑ⥆ࢆᅗࡿࠋ㧗㱋⪅Ꮫᰯ࡛ࡢ㒓ᅵ㈨ᩱ཰㞟ᒎ♧᪋タࡀࠊᜏᖖ᪋タ໬ࡋ࡚ࠊᆅᇦࡢ♫఍ᩍ⫱ࢭࣥࢱ࣮࡜ࡋ࡚ᶵ⬟ࡋ࡚࠸ࡿࠋⱝ⪅ࡢ᣺⯆఍ࠊࡑࢀࢆᨭ࠼ࡿࠕᏊᏞ௦ࠎࡢཱྀỌⰋ㒊ᓥࢆክぢࡿࠖᖺᐤ⤌ࡀࠊ㐺␯ⓗᒎ㛤㸦㝈⏺㞟ⴠ࡜ࡣ┿㏫㸧ࡢṑ㌴࡜ࡋ࡚ᘔࡾጞࡵ࡚࠸ࡿࠋ኱Ꮫྡ㄃ᩍᤵ➼ࡀᒃఫࡋࠊእ㒊኱Ꮫ㛵ಀ⪅ࡶ㛵ࢃࡗࡓࠊ≉␗࡞ᆅᇦ᣺⯆ࡀጞࡲࡾࡘࡘ࠶ࡿࠋ2007 ᖺᅜ❧බᅬ࡟⤌㎸ࡲࢀࡓࡀࠊ
ᪧᮧⴠ࣭Ṕྐ࣭ⅆᒣ࣭㔛⏕ά➼ࡢ᪂࢞࢖ࢻไࡶᶍ⣴୰࡛࠶ࡿࠋ

㤿ẟᓥ඲ᅜⓗ࡟ࡶᩘወ࡞ேཱྀኚືࢆ⤒㦂ࡋࡓᓥ࡛࠶ࡿࠋ✀Ꮚᓥụ⏣࣭ᕞஅᓮ࣭ሹ㸦࠶ࡲ㸧ἩఫẸࡢ≉ᶒⓗ⁺ᴗᶒ㸦ࢺࣅ࢘࢜➼ 1763 ᖺ㸧ࡢᏘ⠇ᐃఫᆅࠋ᫂἞ึᮇኈ᪘ࡢ∵㣫⫱
ᆅࠊ1881 ᖺᅜႠ⦉⨺㣫⫱ሙࠊᡓᚋධ᳜ 80 ᡞࠊ〇⢾ᕤሙࠊ໭ᾏ㐨࠿ࡽࡢ㓗㎰⛣ఫࡶཷࡅධࢀࡓࠋ㤿ẟ㮵㣗ᐖ࣭᪭㨧࣭㢼ᐖ➼࡛ 358 ே࠸ࡓேཱྀࡣᛴῶࢆ⥆ࡅࡿࠋ1979 ᖺẸ㛫㛤Ⓨ௻ᴗ࡟ࡼࡿ⏝ᆅ㈙཰ࡀᮏ᱁ⓗ࡟ጞࡲࡾ 1980 ᖺ࡟ࡣ↓ேᓥ໬ࠋ1985 ᖺⴠ㞾ⅆ⅏㸦⩣ᖺࣂࢵࢱࡢ␗ᖖⓎ⏕㸧ࠋ2008 ᖺఫẸⓏ㘓ேཱྀ 6 ேࠊ09 ᖺ 4 ேࠊ10 ᖺ 4 ேࠊ11 ᖺ 3 ே඲ဨ⏨ᛶ࡟ࡼࡾࠊ෌ࡧ᭷ேᓥᢅ࠸࡟࡞ࡿࠋᅉࡳ࡟ 2005 ᖺᅜㄪேཱྀ 15 ே୰ዪᛶ 1 ே඲ဨᘓタᴗࠋ2010 ᖺᅜㄪேཱྀࡣ 11 ே඲ဨ⏨ᛶ㸦ᘓタᴗ 10 ேࠊ〇㐀ᴗ 1 ேࠊ඲ဨ➨ 2ḟ⏘ᴗࠊ඲ဨ 40 ṓ௨ୖࠊ⪔ᆅ 0㸧࡛࠶ࡿࠋ

15
Social Changes and Demographical Structure of the Villages in the Osumi Islands: Reclamation, Emigration, Extinction, Creation and Cultural Renaissance✀Ꮚᓥᖹᡂ኱ྜే࡛ࡶ⇃ẟ㒆၏୍ࡢ」ᩘ⮬἞యᓥࠋ༡㒊࡟Ᏹᐂ㛤Ⓨ஦ᴗᅋࡀᇶᆅࢆᵓ࠼ࠊ
ᆅ᪉㈈ᨻࡢ≉␗ᵓ㐀ࡀࠊࡑࢀ࡟స⏝ࡋ࡚࠸ࡿࠋࡇࡢᓥࡢேཱྀῶᑡ⋡࣭ኚືࡣࠊ⮬἞యู㸦2005 ᖺ㹼2010 ᖺᅜㄪࠊす⾲ᕷ 5.4%ῶࠊ୰✀Ꮚ⏫ 6.8%ῶࠊ༡✀Ꮚ⏫ 7.9%ῶ㸧࣭㞟ⴠ࣭ฟ㌟⪅㞟ᅋ࣭ᾏᓊ㒊ᒣ㛫㒊࣭⏘ᴗᵓ㐀ู➼࡛ከᵝ࡛࠶ࡿࠋ⸬ᨻࠊ∾ࡢṔྐࠊ⛣ఫཷධࡢṔྐࠊ⛣ఫ⪅㞟ᅋࡢ᥎⛣ࠊࡑࡢᩥ໬⥅ᢎࠊࡑࡢ⦅ᖺྐࡣ୍ⴭࢆせࡍࡿ࡯࡝࡟⯆࿡῝࠸஦ᐇ࡟࠶ࡩࢀ࡚࠸ࡿࠋ᫂἞࣭኱ṇᮇࡣ⛣ఫẸࢆཷࡅධࢀ⥆ࡅࠊேཱྀቑࡀ
⥆࠸ࡓࡀࠊ᫛࿴ 30 ᖺ௦࠿ࡽேཱྀࡣῶࡾ⥆ࡅ࡚࠸ࡿࠋ᫂἞ᮇࡣ 17 ᖺᒣᕝ࠿ࡽ 6 ᡞࠊ19
㹼20 ᖺ⏋ᓥ࠿ࡽ 600 వᡞࠊ19 ᖺᆓὠ࠿ࡽ 19 ᡞࠊ28 ᖺᚨஅᓥ࠿ࡽᩘᡞࠊἈỌⰋ㒊ᓥ㸦ྎ㢼࣭᪭㨧㸧㞟ᅋ⛣ఫࠋ30 ᖺ㤶ᕝ࠿ࡽ 10 ᡞࠊ኱ศ࣭㟼ᒸࠋࡉࡽ࡟႐⏺ᓥ࣭዆⨾኱ᓥ࣭୚ㄽᓥ࣭Ἀ⦖࣭࣐ࣖࢺᮏᅵ➼➼ࠎ࡛࠶ࡿࠋࡑࡋ࡚኱ṇ 3 ᖺᱜᓥ኱ᄇⅆ࡛ 2,753 ே㸦ᱜᓥඖேཱྀࡢ 27%┦ᙜ㸧ࢆཷࡅධࢀࠊ2014 ᖺ⛣ఫ 100 ᖺ☃タ⨨ࠋ✀Ꮚᓥ୰ኸ㒊ࡢ༡໭࡟㉮ࡿ⫼㦵ᆅ㸦ྎᆅ:ᪧ∾ሙ࣭኱᳃ᯘᆅ㸧ࡀ୺ࡓࡿᘬࡁཷࡅሙᡤ࡛ࠊ⏣⏿ᆅᖏ࡟Ⅼࠎ࡜㞟ⴠࡀసࡽࢀࡓࠋ᫂἞ึᮇࡢሙྜࡣ≉࡟すஅ⾲࡟㞟୰ࡋࠊ99 㞟ⴠ୰ 30 㞟ⴠࡀࡑࡢ⛣ఫ㞟ⴠ࡛࠶ࡿࠋ⏋ᓥ⛣ఫࡣྎ㢼㣹Ṛࡀゝࢃࢀ࡚࠸ࡿࡀࠊᐇࡣ୰ẘ➼࡟ࡼࡿ⑓Ṛ⪅࡛࠶ࡗࡓࠋ᫂἞ᮇ࠿ࡽᅜᗜ⿵ຓࡶ࠶ࡾேཱྀቑࡣᓥࡢⓎᒎ࡜๓ྥࡁ࡟Ḽ㏄ࡉࢀࡓࠋᅵᆅࡢ
వ⿱ࡶ୚࠿ࡗ࡚࠸ࡿࠋ⏋ᓥ࠿ࡽࡢ⛣ఫ㞟ⴠ࡛ࡣࢺࢩࢻࣥࡀ⥅ᢎࡉࢀ࡚࠸ࡿࠋ㔝ᮌஅᖹࡣබẸ㤋࡟ࠕࢺࢩࢻࣥࡢ㔛ࠖࢆᥖࡆ࡚࠸ࡿࠋᏊ࡝ࡶࡶ኱ேࡶࣘࢿࢫࢥ↓ᙧᩥ໬㑇⏘ᣦᐃࢆ▱ࡽ࡞࠸ࠋ⏋ᓥ࡜ࡢ஺ὶពḧࡣ࠶ࡿࡀ⾜ࡗࡓࡇ࡜ࡢ࠶ࡿேࡣ⛥࡛࠶ࡿࠋ100 ࿘ᖺ࡛ࢺࢩࢻࣥ᚟άࢆ㐙ࡆࡓ㞟ⴠ㸦㠡ຬࡃࡽࡊࡳ㸧ࡶ࠶ࡿࠋ㤶ᕝ࣭኱ศ࡜ࡢΰఫ㞟ⴠࡔࡀࠊୗ⏋ᓥฟ㌟⪅࡟㛵ࢃࡽࡎ 2014 ᖺᮎ࡛ࡶ௒ࡶ᪂ࡓ࡟⇕ᚰ࡛࠶ࡿࠋ

ࡲ࡜ࡵ࡟࠿࠼࡚
✀Ꮚᓥ࡬ࡢ⛣ఫྐ࡟㛵ࡋ࡚ᆅඖグ㘓ࡣከ࠸ࡀࠊࡲࡔ⥲ᣓⓗ࡞ᅗ᭩ห⾜࡟ࡲ࡛ࡣ⮳ࡗ࡚࠸࡞࠸ࠋᆅඖ㧗ᰯ㒓ᅵ㒊ࡶྲྀࡾ⤌ࢇ࡛࠸ࡿࡀࠊ⯆࿡῝ࡃព⩏῝࠸Ṕྐᒎ㛤࡛࠶ࡿࡢ࡛ࠊ⤌⧊ⓗ࡛య⣔ⓗ࡞グ㘓ಖᏑࡀᮃࡲࢀࡿࠋཱྀஅỌⰋ㒊ࡣ⅏ᐖྐⓗᩚ⌮ࡢ௚࡟ࠊቃ⏺
㞳ᓥࡢ඾ᆺⓗ࡞⦅ᖺᣐⅬ࡜ࡋ࡚ࡶ㔜せㄪᰝᆅ࡛࠶ࡿࠋᆅඖ㈨ᩱࡶᩚ࠸ࡘࡘ࠶ࡿࡢ࡛ࠊ
ࣉࣟ࡟ࡼࡿᨭ᥼ࡀᚲせ࡜ࡉࢀ࡚࠸ࡿࠋ㤿ẟᓥࡣ㛤Ⓨࡀᴟᗘ࡟㐍ࡳࠊ⏕ែ⣔グ㘓࣭㞟ⴠྐ࣭ᩍ⫱ྐ࣭⏘ᴗྐ࡞࡝ࡢグ㘓ⓗಖᏑ༴ᶵ࡟࠶ࡿࠋࡇࡢබⓗᡭᙜࡶ୙ྍḞ࡛࠶ࡿࠋᒇஂᓥࡣἲᩥᏛ㒊᱓ཎ◊✲ᐊ࡟ࡼࡿᑠᮡ㇂㞟ⴠ㛫ࡢ⛣ఫ⪅ㄪᰝࡀ࡞ࡉࢀ࡚࠸ࡿࠋⓑᕝᒣ࢖ࣥࢸࣜ㞟ⴠࡢṔྐࡣᆅඖᒃఫ⪅ࡢ㛫࡟࠶ࡗ࡚ࡶࠊᚲࡎࡋࡶṇ☜࡞グ㘓໬ࡀ࡞ࡉࢀ
࡚࠸࡞࠸ࠋᪧୖᒇஂ⏫࡛ࡣ㸦ᒇஂ⏫࡜ࡣ␗࡞ࡾ㸧ᮧⴠ㒓ᅵㄅࡀḞⴠࡋ࡚࠸ࡿࠋ௒࠿ࡽ
࡛ࡶࡑࡢᩚ⌮࡜ಖᏑᥐ⨨ࡀᛴົ࡛࠶ࡿࠋ

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南太平洋海域調査研究報告 No.56（2015年3月）
OCCASIONAL PAPERS No.56（March 2015）✀Ꮚᓥ࡟࠾ࡅࡿᯝᶞ᱂ᇵ
ᒣᮏ㞞ྐ

Fruit Cultivation on Tanegashima Island
YAMAMOTO Masashi㮵ඣᓥ኱Ꮫ㎰Ꮫ㒊
Faculty of Agriculture, Kagoshima University

せ᪨✀Ꮚᓥ࡟࠾࠸࡚⤒῭᱂ᇵࡉࢀ࡚࠸ࡿᯝᶞࡣࠊᖖ⥳ᯝᶞࡢᴟ᪩⏕࢘ࣥࢩࣗ࢘ࠊ࣏ࣥ࢝ࣥࠊࢱࣥ࢝
ࣥ࠾ࡼࡧࣅ࣡ࠊ࡞ࡽࡧ࡟⇕ᖏᯝᶞࡢ࣐ࣥࢦ࣮࠾ࡼࡧࣃࢵࢩࣙࣥࣇ࣮ࣝࢶ࡛࠶ࡿࠋⴠⴥᯝᶞࡣ᱂ᇵ
ࡉࢀ࡚࠸࡞࠸ࠋᴟ᪩⏕࢘ࣥࢩࣗ࢘࠾ࡼࡧࣅ࣡ࡣすஅ⾲ᕷࠊ࣏ࣥ࢝ࣥࡣ༡✀Ꮚ⏫ࠊࢱࣥ࢝ࣥࠊ࣐ࣥ
ࢦ࣮࠾ࡼࡧࣃࢵࢩࣙࣥࣇ࣮ࣝࢶࡢ᱂ᇵࡣ୰✀Ꮚ⏫࡛┒ࢇ࡛࠶ࡿࠋࡇࢀࡽࡣ࠸ࡎࢀࡶᑟධᯝᶞ࡛
࠶ࡿࠋᅾ᮶ᯝᶞࡢ✀㢮ࡣ㝈ࡽࢀ࡚࠾ࡾࠊ࡯࡜ࢇ࡝ᯝᐇ⏕⏘ࡣ⾜ࢃࢀ࡚࠸࡞࠸ࡀࠊ୍㒊࡛ᅾ᮶࢝ࣥ
࢟ࢶࡢ͆ࢥࢬ͇ࢆ࢝ࣛࢱࢳྎࢱࣥ࢝ࣥࡢ᰿᥋ࡂ࡟฼⏝ࡋ࡚࠸ࡿࠋ

ㅖゝ✀Ꮚᓥࡣ㮵ඣᓥ┴࡛ࡣ዆⨾኱ᓥࠊᒇஂᓥ࡟ḟࡄ➨ 3 ࡢ኱ࡁࡉࡢ㞳ᓥ࡛ࠊ㠃✚ࡣ
444.99km2 ࡛࠶ࡿࠋ᭱㧗Ⅼࡢᶆ㧗ࡣ 282㹫࡜పࡃᖹᆠ࡛࠶ࡾࠊࡑࡢᆅᙧ࠿ࡽ㎰ᆅ࡟ᜨࡲ
ࢀࡓ㎰ᴗࡢ┒ࢇ࡞ᓥ࡛࠶ࡿࠋᖺᖹᆒẼࡶ 19.6°C ࡜㧗ࡃࠊࡑࡢᬮ࡞Ẽೃࢆ฼⏝ࡋ࡚✀ࠎࡢ㎰స≀ࡀ᱂ᇵࡉࢀ࡚࠸ࡿࠋᇶᖿస≀ࡣࢧࢺ࢘࢟ࣅࠊࢧࢶ࣐࢖ࣔࠊ࢖ࢿ➼࡛࠶ࡾࠊᯝᶞࡀ㎰ᴗ⏕⏘࡟༨ࡵࡿ๭ྜࡣ㧗ࡃ࡞࠸ࠋࡇࢀࡣࠊ✀Ꮚᓥࡢす࡟఩⨨ࡍࡿᒇஂᓥ࡜ࡣ኱ࡁࡃ␗࡞ࡿࠋࡋ࠿ࡋࠊ㠃✚ࡣᗈࡃ࡞࠸ࡶࡢࡢ

ᬮ࡞Ẽೃ࡟㐺ࡋࡓᖖ⥳ᯝᶞࡸ⇕ᖏᯝᶞࡢ᱂ᇵࡣࠊ✀Ꮚᓥࡢ㎰ᴗ⏕⏘࡟୍ᐃࡢ఩⨨ࢆ༨ࡵ࡚࠸ࡿࠋᮏ✏࡛ࡣࠊࡑࢀࡽ
࡟ࡘ࠸࡚⤂௓ࡍࡿࠋ

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YAMAMOTO Masashiㄪᰝ᪉ἲ2014 ᖺ 12 ᭶ 11 ᪥࡟✀Ꮚᓥ࡛⌧ᆅㄪᰝࢆᐇ᪋ࡋࡓࠋ୰✀Ꮚ⏫ࡢࢱࣥ࢝ࣥᅬ࠾ࡼࡧ
࣐ࣥࢦ࣮ᅬࠊ༡✀Ꮚ⏫ࡢ࣏ࣥ࢝ࣥᅬࢆ୰ᚰ࡟ᯝᶞᅬࢆゼၥࡋ࡚᱂ᇵ≧ἣㄪᰝ࠾ࡼࡧ
⪺ࡁྲྀࡾㄪᰝࢆ⾜ࡗࡓࠋࡲࡓࠊᯝᶞ㢮ࡢ⏕⏘㠃✚࡟ࡘ࠸࡚ࡣᯝᶞ⏕⏘᣺⯆ᑐ⟇㈨ᩱ
㸦㮵ඣᓥ┴㎰ᨻ㒊㎰⏘ᅬⱁㄢ

2014㸧࡟ᣐࡗࡓࠋ

⤖ᯝ࠾ࡼࡧ⪃ᐹ✀Ꮚᓥ࡟࠾࠸࡚⤒῭᱂ᇵࡉࢀ࡚࠸ࡿᯝᶞࡣࠊᖖ⥳ᯝᶞࡢᴟ᪩⏕࢘ࣥࢩࣗ࢘ࠊ࣏ࣥ࢝
ࣥࠊࢱࣥ࢝ࣥ࠾ࡼࡧࣅ࣡ࠊ࡞ࡽࡧ࡟⇕ᖏᯝᶞࡢ࣐ࣥࢦ࣮࠾ࡼࡧࣃࢵࢩࣙࣥࣇ࣮ࣝࢶ࡛
࠶ࡿࠋⴠⴥᯝᶞࡣ᱂ᇵࡉࢀ࡚࠸࡞࠸ࠋᴟ᪩⏕࢘ࣥࢩࣗ࢘࠾ࡼࡧࣅ࣡ࡣすஅ⾲ᕷࠊ࣏ࣥ࢝ࣥࡣ༡✀Ꮚ⏫ࠊࢱࣥ࢝ࣥࠊ࣐ࣥࢦ࣮࠾ࡼࡧࣃࢵࢩࣙࣥࣇ࣮ࣝࢶࡢ᱂ᇵࡣ୰✀Ꮚ⏫࡛┒ࢇ࡛࠶ࡿ㸦⾲ 1㸧ࠋࡇࢀࡽࡣ࠸ࡎࢀࡶᑟධᯝᶞ࡛࠶ࡾࠊ࣏ࣥ࢝ࣥࡸࢱࣥ࢝ࣥࡣ 1960
ࠥ1970 ᖺ㡭࠿ࡽࠊ࣐ࣥࢦ࣮ࡣ 2000 ᖺ㡭࠿ࡽᮏ᱁ⓗ࡞⤒῭᱂ᇵࡀጞࡲࡗࡓࠋࢱࣥ࢝ࣥ
ࡣᙜึ͂T132̓ࡀ୺せရ✀࡛࠶ࡗࡓࡀࠊ⌧ᅾ࡛ࡣ࡯࡜ࢇ࡝ࡀ͂ᆶỈ 1 ྕ࡛̓࠶ࡿࠋ
࣐ࣥࢦ࣮ࡣ࡯࡜ࢇ࡝ࡀ͂࢔࣮࢘࢕࡛ࣥ̓࠶ࡾࠊ㉗⟅⏝ࡢᓥෆ㈍኎ࡀ୺ὶ࡜࡞ࡗ࡚࠸ࡿࠋ
ᅾ᮶ᯝᶞ࡟ࡘ࠸࡚ࡣ⌧ᆅ࠾ࡼࡧ⪺ࡁྲྀࡾㄪᰝ࡛ࡶ࡯࡜ࢇ࡝☜ㄆࡍࡿࡇ࡜ࡀ࡛ࡁ࡞
࠿ࡗࡓࠋ50 ᖺ௨ୖ๓࡟ࡣ͆ᕝ⏿࣑͇࢝ࣥࠊ͆㉥࣑͇࢝ࣥࠊ
͆ࣁࣂ࣑͇࢝ࣥࡀ᱂ᇵࡉࢀ࡚
࠸ࡓ࡜ࡢ᝟ሗࡀᚓࡽࢀࡓࠋ๓ 2 ⪅ࡣᑡᩘ࡞ࡀࡽ⌧ᅾ࡛ࡶ௚ᆅᇦ࡛ࡣ☜ㄆࡍࡿࡇ࡜ࡀ
࡛ࡁࡿ࢝ࣥ࢟ࢶ࡛࠶ࡿࡀࠊᚋ⪅ࡀ࡝ࡢࡼ࠺࡞ࡶࡢ࠿୙࡛᫂࠶ࡿࠋ၏୍ࠊ✀Ꮚᓥ࡛☜ㄆ࡛ࡁࡓᅾ᮶࢝ࣥ࢟ࢶࡣ͆ࢥࢬ͇࡛࠶ࡗࡓࠋᯝᐇࢆ฼⏝ࡍࡿࡢ࡛ࡣ࡞ࡃࠊྎᮌ࡜ࡋ࡚ࡢ
฼⏝ࡀㄆࡵࡽࢀࡓࠋ࢝ࣛࢱࢳྎࡢࢱࣥ࢝ࣥ͂ᆶỈ 1 ྕ̓ࡀ㮵ඣᓥ┴࡟࠾ࡅࡿࢱࣥ࢝ࣥ
᱂ᇵࡢ୺ὶ࡛࠶ࡿࡀࠊࡇࡢ⤌ࡳྜࢃࡏ࡛ࡣ෤Ꮨ࡟␗ᖖⴠⴥࡀⓎ⏕ࡋࠊࡑࡢ⤖ᯝࠊᶞໃ࠾ࡼࡧ⤖ᐇᛶࡀపୗࡍࡿࡇ࡜ࡀከ࠸㸦ᚋ⸨ࡽ

2004㸧ࠋࡇࡢၥ㢟ࡢゎỴࡢࡓࡵࠊ࢝ࣛ

ࢱࢳྎࡢ᱂ᇵᶞࡢྎᮌ㒊ศ࡟͆ࢥࢬ͇ᐇ⏕ࢆ᰿᥋ࡂࡍࡿࡇ࡜࡟ࡼࡗ࡚ࠊᶞໃ࠾ࡼࡧ
⤖ᐇࡢᅇ᚟ࢆᅗࡗ࡚࠸ࡓࠋ

⾲ 1 ✀Ꮚᓥ࡟࠾ࡅࡿ୺せᯝᶞࡢ⏕⏘㠃✚㸦ha㸧
㸦2012 ᖺᗘ㸧
࢝ࣥ࢟ࢶ
ᕷ⏫ᮧ

ᴟ᪩⏕
࣏ࣥ࢝ࣥ
࢘ࣥࢩࣗ࢘

ࢱࣥ࢝ࣥ

ࣅ࣡

࣐ࣥࢦ࣮

ࣃࢵࢩࣙࣥ
ࣇ࣮ࣝࢶ

すஅ⾲ᕷ
୰✀Ꮚ⏫

1.3
0.0

1.4
1.8

1.0
16.0

0.8
0.0

0.8
1.5

0.4
1.0

༡✀Ꮚ⏫

0.0
1.3

24.3
27.5

10.0
27.0

0.0
0.8

0.7
3.0

0.5
1.9

ィ

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Fruit Cultivation on Tanegashima Islandゼၥ๓ࡢணഛㄪᰝ࡛ࡣ͆ࢥࢬ͇௨እ࡟͆ࢩ࣐࣑͇࢝ࣥࡀᗞඛᯝᶞ࡜ࡋ࡚᱂ᇵࡉࢀ࡚
࠸ࡿ࡜ࡢ᝟ሗࢆᚓ࡚࠸ࡓࡀࠊ⌧ᆅㄪᰝ࡛ࡣ඲ࡃ☜ㄆ࡛ࡁ࡞࠿ࡗࡓࠋ͆ࢥࢬ͇࠾ࡼࡧ
͆ࢩ࣐࣑͇࢝ࣥࡣᒇஂᓥ࡛ࡣ☜ㄆࡉࢀ࡚࠾ࡾࠊ͆ࢥࢬ͇࡟ࡘ࠸࡚ࡣከᵝᛶࡶㄆࡵࡽࢀ
࡚࠸ࡿࠋ௒ᚋࡣ✀Ꮚᓥࡔࡅ࡛࡞ࡃࠊᒇஂᓥࡶྵࡵࡓ኱㝮ㅖᓥ඲య࡛ᅾ᮶࢝ࣥ࢟ࢶࡢ
ศᕸࢆㄪᰝࡍࡿᚲせࡀ࠶ࡿࠋㅰ㎡⌧ᆅㄪᰝ࡟࠾࠸࡚࠾ୡヰ࡟࡞ࡗࡓ✀Ꮚᒇஂ㎰ᴗ༠ྠ⤌ྜࡢ㤿ሙ༤⾜ᵝࠊྂᕷ⇃ẟᨭᗇ㎰ᨻᬑཬㄢࡢ∾ຊᵝࠊㄔᵝ࡟ឤㅰࡋࡲࡍࠋ

ᘬ⏝ᩥ⊩ᚋ⸨ᚸ࣭ᕝᓥಇḟ࣭ᶫ⏣Ὀᫀ

2004㸬ࢱࣥ࢝ࣥࡢ␗ᖖⴠⴥ࡜ⴥ୰ࡢᚤ㔞せ⣲ྵ㔞࠾ࡼࡧᅵተࡢ໬Ꮫᛶࡢ㛵ಀ㸬஑ᕞ㎰ᴗ◊✲㸪66㸸62㸬
㮵ඣᓥ┴㎰ᨻ㒊㎰⏘ᅬⱁㄢ㡫㸪㮵ඣᓥ┴㸪㮵ඣᓥ㸬

2014㸬ᯝᶞ⏕⏘᣺⯆ᑐ⟇㈨ᩱ㸦ᖹᡂ 24 ᖺ⏘ᐇ⦼㸧㸪76

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南太平洋海域調査研究報告 No.56（2015年3月）
OCCASIONAL PAPERS No.56（March 2015）኱㝮ㅖᓥ࡟࠾ࡅࡿ⸆⏝᳜≀ᒣᮏ᐀❧

Medicinal Plants in the Osumi Islands
YAMAMOTO Sota

㮵ඣᓥ኱Ꮫᅜ㝿ᓥᕋᩍ⫱◊✲ࢭࣥࢱ࣮Research Center for the Pacific Islands, Kagoshima University

せ᪨ᒇஂᓥ࠾ࡼࡧ✀Ꮚᓥ࡟࠾ࡅࡿ⸆⏝᳜≀࡟㛵ࡍࡿᩥ⊩ㄪᰝࢆ࠾ࡇ࡞ࡗࡓࠋࢤࣥࣀࢩࣙ࢘ࢥࠊࣚࣔࢠࠊࢶ࣡
ࣈ࢟ࠊࢻࢡࢲ࣑ࠊ࢞ࢪࣗࢶࠊࣀࣈࢻ࢘ࠊ࢝࢟ࠊ࢔࢚ࣟࠊ࣐ࢡࣜࠊ࣍࢘ࢭࣥ࢝ࠊ᯿ᶲ㢮ࠊࢳࢻ࣓ࢢࢧࠊࢺ࢘
ࣔࣟࢥࢩࠊࣘ࢟ࣀࢩࢱ࡞࡝ࡀ୧ᆅᇦ࡟࠾࠸࡚ᖜᗈࡃ▱ࡽࢀࡿ⸆⏝᳜≀ࡔ࡜࠸࠺ࡇ࡜ࡀ᫂ࡽ࠿࡜࡞ࡗࡓࠋ

ࡣࡌࡵ࡟⸆⏝᳜≀ࡣఏ⤫▱ࡢ㞟⣙࡛࠶ࡿ࡜࡜ࡶ࡟ࠊ㏆௦་⸆࡜ࡋ࡚ࡢ₯ᅾⓗ࡞౯್ࢆᣢࡗ࡚࠸ࡿࠋ
㣕ࡧ▼≧࡟⥆ࡃ㮵ඣᓥࡢ㞳ᓥ࡟࠾࠸࡚ࡣࠊ⸆⏝᳜≀࡟㛵ࡍࡿఏ⤫▱࡟㐃⥆ᛶࡀ࠶ࡿࡢ࠿ࠊ
ᅛ᭷ᛶࡀ㧗࠸ࡢ࠿ࠊ㠀ᖖ࡟⯆࿡῝࠸ࠋࡑࡇ࡛ࠊ኱㝮ㅖᓥ࡟࠾ࡅࡿ⸆⏝᳜≀࡟㛵ࡍࡿᩥ⊩ㄪᰝࢆ࠾ࡇ࡞ࡗࡓࠋ

᪉ἲ㮵ඣᓥ኱Ꮫ㝃ᒓᅗ᭩㤋࡟཰ⶶࡉࢀ࡚࠸ࡿ᭩⡠ࠊ≉࡟✀Ꮚᓥ࠾ࡼࡧᒇஂᓥࡢẸ಑࡟㛵ࡍࡿ᭩⡠ࢆཧ↷ࡋࡓࠋ⸆⏝᳜≀ࡢ᝟ሗࡀᚓࡽࢀࡓᩥ⊩ࡣࠗすஅ⾲ᕷⓒᖺྐ࠘ࠊࠗ୰✀Ꮚ⏫㒓ᅵㄅ࠘ࠊࠗቑ⏣ࡢẸ಑ㄅ ࠘ࠊࠗࢃࡓࡋࡓࡕࡢ✀Ꮚᓥ Ẹ಑⦅࠘ࠊࠗ༡✀Ꮚ⏫㒓ᅵㄅ࠘ࠊࠗᒇஂ⏫㒓ᅵㄅ➨୍ᕳ㹼➨୕ᕳ࠘
ࠊࠗᒇஂᓥ㯏⏕ࡢẸ಑ㄅ II࠘ࠊࠗᒇஂ⏫ࡢẸ಑ II࡛࠘࠶ࡿࠋ
ࠗ✀ᏊᓥẸ಑ 14㸪19࠘ࠊࠗ஧༑␒㒓ᅵㄅ ࠘ࠊࠗ⌧࿴ࡢ㒓ᅵㄅ : ᫂἞ⓒᖺグᛕ࠘ࠊࠗ༡✀ᏊࡢẸ಑ㄪᰝ࠘ࠊࠗᒇஂ⏫ㄅ࠘
ࠊࠗୖᒇஂ⏫㒓ᅵㄅ࠘ࠊࠗୖᒇஂࡢẸ಑ㄪᰝ࠘࠿ࡽࡣ᝟ሗࢆᚓࡿࡇ࡜ࡀ࡛ࡁ࡞࠿ࡗࡓࠋ

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YAMAMOTO Sota⤖ᯝ࠾ࡼࡧ⪃ᐹ✀Ꮚᓥ 3 ᆅᇦ㸦すஅ⾲ࠊ୰✀Ꮚࠊ༡✀Ꮚ㸧࠾ࡼࡧᒇஂᓥ 15 ᮧ㸦ᰩ⏕ࠊ୰㛫ࠊ‫‮‬Ἡࠊᖹෆࠊ
ᑠᓥࠊᑿஅ㛫ࠊཎࠊ㯏⏕ࠊ㧗ᖹࠊᖹ㔝ࠊ᫓∾ࠊᏳᡣࠊᯇᓟࠊ⯪⾜ࠊỌஂಖ㸧࡟࠾ࡅࡿ⸆⏝᳜≀ࡢ᝟ሗࡀᚓࡽࢀࠊ100 ✀௨ୖࡢ᳜≀ࢆ⸆࡜ࡋ࡚฼⏝ࡋ࡚࠸ࡿࡇ࡜ࡀ᫂ࡽ࠿࡜࡞ࡗࡓࠋ
⣬㠃ࡢ㒔ྜୖࠊࡍ࡭࡚ࡢᆅᇦࡢ࠾࠸࡚ᖜᗈࡃ฼⏝ࡉࢀ࡚࠸ࡿ᳜≀ࢆ⤂௓ࡍࡿࠋ
1. ࢤࣥࣀࢩࣙ࢘ࢥ㸦ࣇ࢘ࣟࢯ࢘⛉ࣇ࢘ࣟࢯ࢘ᒓ㸧 ⤒ཱྀ㸦㣧ࡴ㸧㸸⫶③ࠊ⭡③ࠊ⫶⭠⸆ࠊୗ⑩ࠊ㉥⑩ࠊ౽⛎ࠊ㢼㑧⸆ࠊゎ⇕ࠊᾘ⅖⸆ࠊ㧗⾑ᅽண㜵ࠊ෭࠼ᛶࠊ⾑ࡢ㐨ࠊ፬ே⑓ࠊ୓⑓
2. ࣚࣔࢠ㸦࢟ࢡ⛉ࣚࣔࢠᒓ㸧 ࡘࡅࡿ㸸⾑Ṇࡵࠊษࡾയࠊࣄ࢚ࢾ࢟㸦⮋ฟࡋ㸧ࠊ࢖࣎ࠊ⹸ṑࠊ⪥ᆶࢀ ⤒ཱྀ㸦㣧ࡴ㸧㸸㢼㑧ࠊゎ⇕ࠊ⭡③ࠊ⫶⭠⑓ࠊ⹸ୗࡋࠊ༑஧ᣦ⭠⹸ࠊ㧗⾑ᅽࠊ⚄⤒③ࠊ⬚↝ࡅࠊ୓⑓ ⅍࡞࡝㸸⭜③ࠊ࣒ࢡ࣑ࠊ⫪ࡇࡾࠊ㛵⠇㸦Ỉࡓࡲࡾ㸧
3. ࢜࢜ࣂࢥ㸦࢜࢜ࣂࢥ⛉࢜࢜ࣂࢥᒓ㸧 ࡘࡅࡿ㸸⭘ࢀ≀ࠊࣄ࢚ࢾ࢟㸦⮋ฟࡋ㸧ࠊᡴࡕ㌟ ⤒ཱྀ㸦㣧ࡴ㸧㸸㢼㑧ࠊတṆࡵࠊⓒ᪥တࠊႍᜥࠊ⭡③ࠊୗ⑩ࠊᚰ⮚ࠊ㧗⾑ᅽࠊ฼ᒀࠊ
ゎẘ๣ࠊ፬ே⑓ࠊ⭤⬔⅖ࠊ┠ࡢ඘⾑ࠊ୓⑓
4. ࢶ࣡ࣈ࢟㸦࢟ࢡ⛉ࢶ࣡ࣈ࢟ᒓ㸧 ࡘࡅࡿ㸸⭘ࢀ≀ࠊࣄ࢚ࢾ࢟㸦⮋ฟࡋ㸧ࠊᡴ᧞ࠊษࡾയࠊⲡࡲࡅࠊ⻏ࡢࡉࡉࢀࠊ⑝ ⤒ཱྀ㸦㣧ࡴ㸧㸸㨶ࡢ୰ẘࠊẘᾘࡋࠊ⭡③ࠊୗ⑩ࠊ೺⫶ࠊ㣗࠶ࡓࡾࠊ⚄⤒③ࠊ⬚↝ࡅ
5. ࢻࢡࢲ࣑㸦ࢻࢡࢲ࣑⛉ࢻࢡࢲ࣑ᒓ㸧 ࡘࡅࡿ㸸⭘ࢀ≀ࠊࣄ࢚ࢾ࢟㸦⮋ฟࡋ㸧ࠊ࢖࣎ࠊ⪥ᆶࢀࠊⲡࡲࡅ ⤒ཱྀ㸦㣧ࡴ㸧㸸ẘᾘࡋࠊ⹸ୗࡋࠊ③ࡳṆࡵࠊ⭡③ࠊ⵳⮋⑕ࠊ฼ᒀࠊ౽㏻ࠊ㧗⾑ᅽண㜵ࠊ୓⑓
6. ࢞ࢪࣗࢶ㸦ࢩࣙ࢘࢞⛉࢘ࢥࣥᒓ㸧 ࡘࡅࡿ㸸ࣄ࢚ࢾ࢟㸦⮋ฟࡋ㸧
ࠊᡴࡕ㌟ࠊ᤬᣸ ⤒ཱྀ㸦㣧ࡴ㸧㸸⭡③ࠊ⇕ࡉࡲࡋࠊ೺⫶ࠊ⫶⭠⑓ࠊୗ⑩ࠊ⬚↝ࡅࠊ⚄⤒③
7. ࣀࣈࢻ࣭࣐࢘ࣖࣈࢻ࢘ࡢ㢮㸦ࣈࢻ࢘⛉㸧 ┠ࡢ඘⾑ࡸ┠ࢆࡘ࠸ࡓ࡜ࡁ࡟┠⸆࡜ࡋ࡚㸦౛㸸࢝ࢬࣛࡢ⠇㛫༑஬ࢭࣥࢳࡄࡽ࠸ษࡾ
ྲྀࡾࠊษࡾཱྀࢆ྿࠸࡚ฟࡿᾮࢆ║ࡢ୰࡟࠸ࢀ࡚Ὑ࠺㸧

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Medicinal Plants in the Osumi Islands✀Ꮚᓥࡢ 3 ᆅᇦࡢࡳ࡛࢝ࣥࣛࣥ㸦ࡌࢇࡲࡋࢇࠊ୰ẘࠊ㣗୰ẘ㸧ࡀ⸆࡜ࡋ࡚฼⏝ࡉࢀ࡚࠸ࡓࠋ
୍᪉ࠊ✀Ꮚᓥ࡛ࡣ฼⏝ࡉࢀࡎᒇஂᓥ㸦3 ᮧ௨ୖ㸧ࡢࡳ࡛฼⏝ࡉࢀ࡚࠸ࡓ⸆⏝᳜≀ࡣࠊ࢔ࢥ࢘
㸦࡛ࡁࡶࡢࠊᡴࡕ㌟㸧
ࠊ࢔࣐ࢳࣕࢬࣝ㸦㧗⾑ᅽࠊ⚄⤒③㸧ࠊ࢖ࢯ࣐ࢶ㸦⚄⤒③㸧ࠊࢠࢩࢠࢩ㸦⓶⭵⑓ࠊỈ⹸㸧
ࠊࢢ࢔ࣂ㸦⢾ᒀ⑓ࠊ㧗⾑ᅽ㸧ࠊࢡࢥ㸦㧗⾑ᅽࠊ⭡③㸧ࠊࢧࢺ࢖ࣔ㸦⻏ࡸ⹸่ࡉࢀࠊ
᤬᣸㸧ࠊࢧࣥ࢟ࣛ࢖㸦တṆࡵࠊ⢾ᒀ⑓ࠊẘᾘࡋ㸧ࠊࢪࣕ࢞࢖ࣔ㸦ⅆയ㸧ࠊࢫ࢖࢝㸦฼ᒀࠊ⭈⮚㸧ࠊࢲ࢖ࢥࣥ㸦᤬᣸ࠊ㦵ᢡࠊⓎờ㸧ࠊࢶࣂ࢟㸦ษࡾയࠊࣄ࢚ࢾ࢟㸧ࠊࢽࣥࢽࢡ㸦⑂ປᅇ᚟ࠊ⢭ຊ๣ࠊࢪࣇࢸࣜ࢔ࠊ⭡③ࠊ୓⑓㸧ࠊࣄࣙ࢘ࢱࣥ㸦ᡴࡕ㌟ࠊᡴ᧞㸧ࠊࣅ࣡㸦㧗⾑ᅽࠊ⢾ᒀ⑓ࠊ⭈⮚⑓ࠊ⚄⤒③ࠊ୓⑓㸧ࠊࣖࢡࢨࢧ㸦⒴㸧࡛࠶ࡗࡓࠋ௒ᚋࠊ௚ᆅᇦ࡟࠾ࡅࡿ⸆⏝᳜≀฼⏝࡜ẚ㍑ࡋࠊ
ྛᓥࡢ≉ᚩࢆ᫂ࡽ࠿࡟ࡋࡓ࠸࡜⪃࠼࡚࠸ࡿࠋ
᭱ᚋ࡟ࠊⴭ⪅ࡀࡇࢀࡲ࡛㔜Ⅼⓗ࡟ㄪᰝࢆࡋ࡚ࡁࡓ၈㎞Ꮚࡢ฼⏝࡟ࡘ࠸࡚ሗ࿌ࡍࡿࠋ኱㝮ㅖᓥ࡟࠾ࡅࡿ၈㎞Ꮚࡢ᪉ゝྡࡣࠕࢥࢩ࣮ࣙࠊࢱ࢝ࣥࢶ࣓ࠖ
㸦ࠗ✀Ꮚᓥ᪉ゝ㎡඾࠘㸧ࠊࠕࡇࡋࡻ࠺ࠖ
㸦ࠗ୰✀Ꮚ⏫㒓ᅵㄅ࠘㸧ࠊࠕࢥ࣮ࢩࣙ࢘ࠖ
㸦ᒇஂᓥᖹෆᮧࠊ
ࠗᒇஂ⏫㒓ᅵㄅ➨୍ᕳ࠘㸧࡛࠶ࡗࡓࠋ
஑ᕞ௨༡ࡢ၈㎞Ꮚࡢ᪉ゝྡࡣࠕࡇࡋࡻ࠺⣔ࠖ࡟ᒓࡍࡿࠊ࡜ᒣᮏ㸦2010㸧ࡣᥦၐࡋ࡚࠸ࡿࡀࠊ
ࡑࡢ௬ㄝࢆᨭᣢࡍࡿࡶࡢ࡛࠶ࡗࡓࠋ၈㎞Ꮚࡢ⸆⏝࡟ࡘ࠸࡚ࡣࠊ
ࠗᒇஂ⏫㒓ᅵㄅ➨୕ᕳ࠘ࡢᏳᡣᮧࡢ㡯࡟ࠕᡴࡕ㌟ࡢ࡜ࡁࠊࢺ࢖ࢩⲡ࡜ࢱ࣐ࢦ࣭࣓ࣜࢣࣥࢥ࣭↝㓅࣭ࢥࢩࣙ࢘࡞࡝୐ရࢆ
ࡍࡾྜࢃࡏ࡚ᝈ㒊࡟ࡘࡅࡿࠖ࡜࠶ࡗࡓࡀࠊࡇࡢࠕࢥࢩࣙ࢘ࠖࡀ၈㎞Ꮚ࡞ࡢ࠿⬌᳡࡞ࡢ࠿ࠊ
ุูࡀࡘ࠿࡞࠿ࡗࡓࠋ዆⨾௨༡࡜ẚ㍑ࡋ࡚၈㎞Ꮚࡢ⸆⏝౛ࡀᑡ࡞࠸ࡼ࠺࡟ᛮ࠼ࡓࠋ
ࠗ୰✀Ꮚ⏫㒓ᅵㄅ࠘࡟ࠕࡇࡋࡻ࠺㸦၈ࡀࡽࡋ㸧ࢆ㌺࡟࠿ࡅ࡚࠾ࡃ࡜ࡣࡸࡾ⑓Ẽࡀࡇ࡞࠸ࠖ࡜
࠸࠺㨱㝖ࡅࡢ฼⏝ࡀ࠶ࡗࡓࠋ዆⨾ㅖᓥ࡛ࡣ၈㎞Ꮚࢆ↝㓅࡟ₕࡅ࡚⭡③ࡢ᫬࡟㣧ࢇࡔࡾࠊ㊊ࡀ②ᨥࡋࡓ᫬࡟ሬࡗࡓࡾࡍࡿࡇ࡜ࡀ▱ࡽࢀ࡚࠸ࡿ㸦YAMAMOTO 2013㸧ࠋ኱㝮ㅖᓥ࡛ࡣ
၈㎞Ꮚࡢ஦౛ࡣ࡞࠿ࡗࡓࡶࡢࡢࠊ࢖ࢯ࣐ࢶࡸ࢔࢚ࣟࠊ࢔ࢨ࣑㢮ࠊࣅ࣡ࢆ↝㓅࡟ₕࡅ࡚⸆࡜ࡋ
࡚฼⏝ࡋ࡚࠸ࡓࠋἈ⦖࡛ࡣἻ┒࡟၈㎞Ꮚ㸦≉࡟ᓥ၈㎞Ꮚ㸧ࢆₕࡅࡓㄪ࿡ᩱࠕࢥ࣮࣮ࣞࢢ࣮ࢫࠖ
ࡀ฼⏝ࡉࢀ࡚࠸ࡿࡀࠊࡇࡢㄪ࿡ᩱࡶ⸆⏝࠿ࡽࡢὴ⏕ࡢྍ⬟ᛶࡀ࠶ࡿࠋᘬ⏝ᩥ⊩ᗈ℩㝧Ꮚ 1987㸬ᒇஂᓥ㯏⏕ࡢẸ಑ㄅ II㸪66 㡫㸪ᗈ℩㝧Ꮚ㸪㮵ඣᓥ㸬㮵ඣᓥ኱ᏛἲᩥᏛ㒊ᩥ໬ே㢮Ꮫ◊✲ᐊ⦅ 1984㸬ቑ⏣ࡢẸ಑ㄅ㸪214 㡫㸪୰✀Ꮚ⏫❧ṔྐẸ಑㈨ᩱ㤋㸪୰✀Ꮚ⏫㸪㮵ඣᓥ㸬㮵ඣᓥ኱ᏛἲᩥᏛ㒊ᩥ໬ே㢮Ꮫ◊✲ᐊㄪᰝ 1989㸬ᒇஂ⏫ࡢẸ಑ II㸪290 㡫㸪ᒇஂ⏫ᩍ⫱ጤဨ఍ࠕ㒓ᅵㄅ⦅ࡉࢇᐊࠖ
㸪ᒇஂ⏫㸪㮵ඣᓥ㸬༡✀Ꮚ⏫ᩍ⫱ጤဨ఍⦅ 1960㸬༡✀Ꮚ⏫㒓ᅵㄅ㸪86 㡫㸪㮵ඣᓥ┴⇃ẟ⩌༡✀Ꮚ⏫ᩍ⫱ጤဨ఍㸪༡✀Ꮚ⏫㸪㮵ඣᓥ㸬୰✀Ꮚ⏫㒓ᅵㄅ⦅㞟ጤဨ఍⦅ 1971㸬୰✀Ꮚ⏫㒓ᅵㄅ㸪1078 㡫㸪୰✀Ꮚ⏫㸪㮵ඣᓥ㸬すஅ⾲ᕷᩥ໬㈈ಖㆤᑂ㆟఍⦅ 1981㸬ࢃࡓࡋࡓࡕࡢ✀Ꮚᓥ Ẹ಑⦅㸪85 㡫㸪すஅ⾲ᕷᩍ⫱ጤဨ఍㸪すஅ⾲㸪㮵ඣᓥ㸬すஅ⾲ᕷ⦅⧩ጤဨ఍⦅ 1971㸬すஅ⾲ᕷⓒᖺྐ㸪528 㡫㸪すஅ⾲ᕷ㸪㮵ඣᓥ㸬᳜ᮧ㞝ኴᮁ 2001㸬✀Ꮚᓥ᪉ゝ㎡඾㸪375 㡫㸪Ṋⶶ㔝᭩㝔㸪ᮾி㸬

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YAMAMOTO Sotaᒇஂ⏫㒓ᅵㄅ⦅ࡉࢇጤဨ఍⦅㞟 1993㸬ᒇஂ⏫㒓ᅵㄅ➨୍ᕳ ᮧⴠㄅ ୖ㸪1359 㡫㸪ᒇஂ⏫
ᩍ⫱ጤဨ఍㸪ᒇஂ⏫㸪㮵ඣᓥ㸬ᒇஂ⏫㒓ᅵㄅ⦅ࡉࢇጤဨ఍⦅㞟 1995㸬ᒇஂ⏫㒓ᅵㄅ➨஧ᕳ ᮧⴠㄅ ୰㸪963 㡫㸪ᒇஂ⏫
ᩍ⫱ጤဨ఍㸪ᒇஂ⏫㸪㮵ඣᓥ㸬ᒇஂ⏫㒓ᅵㄅ⦅ࡉࢇጤဨ఍⦅㞟 2003㸬ᒇஂ⏫㒓ᅵㄅ➨୕ᕳ ᮧⴠㄅ ୗ㸪1157 㡫㸪ᒇஂ⏫
ᩍ⫱ጤဨ఍㸪ᒇஂ⏫㸪㮵ඣᓥ㸬ᒣᮏ᐀❧ 2010㸬⸆࿡࣭ࡓࢀࡢ㣗ᩥ໬࡜ࢺ࢘࢞ࣛࢩ㸫᪥ᮏ㸬ࢺ࢘࢞ࣛࢩㆭḷ㸦ᒣᮏ⣖ኵ⦅ⴭ㸧㸪
235-246㸪ඵᆏ᭩ᡣ㸪ᮾி㸬
YAMAMOTO, S. 2013. Chili Peppers in the Islands of Kagoshima. In: The Islands of Kagoshima (Eds.
KAWAI, K., TERADA, R. and KUWAHARA, S.), 38-42, Kagoshima University Research Center for
the Pacific Islands, Kagoshima.

25
南太平洋海域調査研究報告 No.56（2015年3月）
OCCASIONAL PAPERS No.56（March 2015）⣚⸴ࣁࢼࣖࢼࢠ࡟ྵࡲࢀࡿ஧ḟ௦ㅰ⏘≀࡟㛵ࡍࡿ◊✲ᇶඃⰼ࣭ᚚ㡿ཎᏕᑦ࣭኱ᮧ㇂ጾྐ࣭௬ᒇᓮ

⥤࣭ᮡ⏣᲍ᜨ࣭℈⏣Ꮨஅ

Study on Secondary Metabolites
in the Red Alga Chondria armata
MOTOI Yuka, GORYOUBARA Takanao, OMURAYA Takeshi, KARIYAZAKI Aya,
SUGITA Rie and HAMADA Toshiyuki

㮵ඣᓥ኱Ꮫ኱Ꮫ㝔⌮ᕤᏛ◊✲⛉Graduate School of Science and Engineering, Kagoshima University

せ᪨ᒇஂᓥ࡟࡚ࠊ⣚⸴ࣁࢼࣖࢼࢠࡢㄪᰝ࣭᥇㞟ࢆ⾜ࡗࡓࠋ3 ࣨᡤㄪᰝࡋࡓࡀࠊᏳᡣࡢ᫓⏣὾ᾏᓊࡢࡳ࡟ࣁࢼࣖࢼࢠࡢ⩌⏕ࢆ☜ㄆࡋࡓࠋࣁࢼࣖࢼࢠࢆ⣙ 1kg ᥇㞟ࡋࠊ࣓ࢱࣀ࣮ࣝ࠾ࡼࡧ࣓ࢱࣀ࣮ࣝ㸸Ỉ㸸㓑㓟㸦50:50:0.2㸧࡛ᢳฟࡋࡓࠋࡑࢀࡒࢀࡢᢳฟ≀࡟ࡘ࠸࡚ࠊ࣐ࢫࢫ࣌ࢡࢺࣝ࡞ࡽࡧ࡟᰾☢Ẽඹ㬆ࢫ࣌ࢡࢺࣝࢆ ᐃࡋࠊᡂศศᯒࢆ⾜ࡗࡓࠋ⫼ᬒࣁࢼࣖࢼࢠ࡟ࡣࠊ㥑⹸⸆࡜ࡋ࡚▱ࡽࢀ࡚࠸ࡿࢻ࢘ࣔ࢖㓟㸦domoic acid㸧ࡀከࡃྵࡲ
ࢀ࡚࠾ࡾࠊࢢࣝࢱ࣑ࣥ㓟ཷᐜయ࢔ࢦࢽࢫࢺ࡜ࡋ࡚స⏝ࡋࠊ⬻ෆᾏ㤿⚄⤒⣽⬊ࡢ CA3㡿ᇦࢆ㑅ᢥⓗ࡟◚ቯࡍࡿࡇ࡜࡟ࡼࡾグ᠈㞀ᐖࢆᘬࡁ㉳ࡇࡍࠋ୍᪉ࠊ1985 ᖺ࡟ࢧࣥࢺࣜ
࣮⏕᭷◊ࡢ๓⏣ࡽࡢሗ࿌࡟ࡼࡾࠊࣁࢼࣖࢼࢠ࡟⊛ẘࣃࣜࢺ࢟ࢩࣥ㸦palytoxin㸧ࡢ㢮ఝ໬ྜ≀ࡀྵࡲࢀ࡚࠸ࡿࡇ࡜ࡀศ࠿ࡗࡓ㸦๓⏣ࡽ

1985㸧ࠋࣃࣜࢺ࢟ࢩࣥࡣ㌾యࢧࣥࢦࡢ࢖࣡ࢫࢼࢠࣥࢳࣕࢡ㸦Palythoa sp.㸧ࡢẘᡂศ࡛࠶ࡿࡀࠊ࢔࢜ࣈࢲ࢖㣗୰ẘࡸࢡࣝ࣌࢜ࢺ࢟ࢩࢬ࣒㸦⇕ᖏᇦ࡛ࡢ࢖࣡ࢩ㢮ࡸࢽࢩࣥ㢮࡟ࡼࡿ㣗୰ẘ㸧࡞࡝࡟ࡣࣃࣜࢺ࢟ࢩࣥ
ᵝẘࡀ㛵୚ࡋ࡚࠸ࡿྍ⬟ᛶࡶሗ࿌ࡉࢀ࡚࠸ࡿࠋࣁࢼࣖࢼࢠ࡟ྵࡲࢀࡿࢻ࢘ࣔ࢖㓟㢮⦕యࡸࣃࣜࢺ࢟ࢩࣥ㢮⦕యࢆㄪᰝࡋࠊ⸴㢮ࡸ㨶㢮ࡢẘ໬ᶵᵓࡢゎ᫂ࠊ࡞ࡽࡧ࡟ゎẘ๣ࡸண㜵⸆ࡢ㛤Ⓨࢆ┠ᣦࡋࠊ◊✲࡟╔ᡭࡋࡓࠋ

26
MOTOI Yuka, GORYOUBARA Takanao, OMURAYA Takeshi, KARIYAZAKI Aya, SUGITA Rie and HAMADA Toshiyuki᪉ἲ࣭⤖ᯝࣁࢼࣖࢼࢠࡢㄪᰝ࣭᥇㞟ᖹᡂ 26 ᖺ 7 ᭶ 12 ᪥㸦ᅵ㸧࡜ 13 ᪥㸦᪥㸧࡟ࠊᒇஂᓥ࡟࡚⣚⸴ࣁࢼࣖࢼࢠ㸦ᅗ 1㸧ࡢㄪᰝ࠾ࡼࡧ᥇㞟ࢆ⾜ࡗࡓ㸦᥇㞟⪅㸸ᇶࠊ኱ᮧ㇂ࠊᒣୗ្௓ࠊ℈⏣㸧ࠋࡲࡎࠊ12 ᪥ṇ༗ࡼࡾᏳᡣࡢ᫓⏣὾ᾏᓊ࿘㎶࡛ࣁࢼࣖࢼࢠࡢ⩌⏕ᆅࢆㄪᰝࡋࡓࠋᾏỈᾎሙࡢ୰࡟ࡣ඲ࡃ⏕ᜥࡋ࡚࠾ࡽࡎࠊࡑࢀࡼࡾᑡࡋ໭ࡢᑠࡉ࡞ࢱ࢖ࢻࣉ࣮ࣝࡢỈ㝿࡟ᖹࡓࡃ⩌⏕ࡋ࡚࠸ࡓࠋࡲࡓࠊࡉࡽ࡟໭ഃࡢᕝ࡜ᾏࡢ⤖ྜ㒊࡟ࡘ࠸࡚ࡣࠊ඲ࡃ࡜ゝࡗ࡚࠸࠸࡯࡝ᾏ⸴ࡣ⏕࠼࡚࠸࡞࠿ࡗࡓࠋỈࡀ┿Ỉ࡟㏆࠸ࡓࡵࡔ࡜⪃࠼ࡽࢀࡿࠋ13 ᫬ࡼࡾ
15 ᫬ 30 ศࡲ࡛ࠊࢱ࢖ࢻࣉ࣮ࣝ௜㏆࡛ᖏྠࡋࡓᏛ⏕ࡓࡕ࡜୍⥴࡟࣊ࣛࢆ౑ࡗ࡚᥇㞟ࢆ⾜ࡗࡓࠋᖸ₻ࡀ 13 ᫬௜㏆ࡔࡗࡓࡇ࡜ࡶ࠶ࡾࠊ᥇㞟ࡣ 15 ᫬㐣ࡂࡀ㝈⏺࡛࠶ࡗࡓࠋ
ࡑࡢᚋࠊᾏỈᾎሙ௜㏆࡛᥇㞟ࡋࡓࣁࢼࣖࢼࢠࢆᾏỈ࡛Ὑ࠸࡞ࡀࡽ௜╔≀ࢆ㝖࠸ࡓࠋసᴗ⤊஢ࡣ 17 ᫬࡛࠶ࡗࡓࠋ
⩣ 13 ᪥ࡣᰩ⏕ࡢሯᓮࢱ࢖ࢻࣉ࣮ࣝỈ᪘㤋㸦ኳ↛ࡢỈ᪘㤋㸧࿘㎶࡟࡚ㄪᰝࢆ⾜ࡗࡓࠋࣁࢼࣖࢼࢠࡢ⩌⏕ࡣ☜ㄆ࡛ࡁ࡞࠿ࡗࡓࡀࠊࠕվ⸴ሙࡢࢱ࢖ࢻࣉ࣮ࣝࠖࡢᾏഃ࡟ࣁࢼࣖ
ࢼࢠ࡜ྠⰍࡢ⸴ࡀ⏕࠼࡚࠸ࡿࡇ࡜ࢆ☜ㄆࡋࡓࠋࡑࢀࡀࣁࢼࣖࢼࢠ࡜㛵ಀ࠶ࡿࡢ࠿࡟
ࡘ࠸࡚ࠊỈ⏘Ꮫ㒊ࡢᑎ⏣༤ኈ࡟☜ㄆࡋࡓ࡜ࡇࢁࠊูࡢᾏ⸴࡛࠶ࡿࡇ࡜ࡀศ࠿ࡗࡓࠋ
ࡇࡢ᪥ࡣࠊ୍‖ᾏỈᾎሙ௜㏆࡛ࡶㄪᰝࢆ⾜ࡗࡓࡀࠊࣁࢼࣖࢼࢠࡣ☜ㄆ࡛ࡁ࡞࠿ࡗࡓࠋ
ࡇࡢㄪᰝ࡛ࡢࣁࢼࣖࢼࢠࡢ᥇㞟㔞ࡣ⣙ 1kg ࡛࠶ࡗࡓࠋࢡ࣮ࣝ౽࡛኱Ꮫࡢ◊✲ᐊ࡟
㏦ࡾࠊᡂศ◊✲࡟╔ᡭࡋࡓࠋࣁࢼࣖࢼࢠࡢ᭷ᶵ⁐፹ᢳฟ࠾ࡼࡧᢳฟ≀ࡢᡂศゎᯒ௒ᅇࡢࣁࢼࣖࢼࢠࡢᡂศ◊✲ࡢ୺┠ⓗࡣࠊ᪂つࡢࢻ࢘ࣔ࢖㓟㢮⦕యࡸࣃࣜࢺ࢟ࢩࣥ
㢮⦕యࢆ᥈⣴ࡍࡿࡇ࡜࡛࠶ࡿࠋࡑࡇ࡛ࠊ௒ᅇ᥇ྲྀࡋࡓࣁࢼࣖࢼࢠ㸦᥇㞟⪅㸸ᇶࠊᚚ㡿ཎࠊᒣୗࠊ௒࿴Ἠ

⩧ගࠊ஭ᡭࡳ࡞ࡳࠊᮡ⏣ࠊ℈⏣㸧࡟ࡘ࠸࡚ࡣࠊኳ↛≀᭷ᶵ໬Ꮫ◊✲୍࡛⯡ⓗ࡟⏝࠸ࡽࢀࡿ࣓ࢱࣀ࣮ࣝᢳฟ࡟ຍ࠼࡚ࠊ㓟ᛶ≀㉁ࢆᢳฟࡍࡿࡇ࡜ࢆ┠ⓗ࡜ࡋࡓ࣓ࢱࣀ࣮ࣝ㸸Ỉ㸸㓑㓟㸦50:50:0.2㸧࡟ࡼࡿᢳฟࡶ⾜ࡗࡓࠋᅗ 1 ⣚⸴ࣁࢼࣖࢼࢠ

27
Study on Secondary Metabolites in the Red Alga Chondria armataࡇࡢᒇஂᓥ⏘ࣁࢼࣖࢼࢠࡢ 2 ࡘࡢᢳฟ≀࡟ຍ࠼࡚ࠊᖹᡂ 26 ᖺ 10 ᭶ 23 ᪥࡟㮵ඣᓥ┴༡஑ᕞᕷࡢ␒ᡤ㰯࡛᥇㞟ࡋࡓࣁࢼࣖࢼࢠ࡟ࡘ࠸࡚ࡶྠᵝ࡟᭷ᶵ⁐፹ᢳฟࢆ⾜࠸ࠊᚓࡽࢀࡓヨᩱ࡟ࡘ࠸࡚࣐ࢫࢫ࣌ࢡࢺࣝ࡞ࡽࡧ࡟᰾☢Ẽඹ㬆ࢫ࣌ࢡࢺࣝࢆ

ᐃࡋࡓࠋ⢒ᢳฟ≀ࡢẁ㝵࡞ࡢ࡛ࠊලయⓗ࡞໬ྜ≀ࡢᏑᅾ࡟ࡘ࠸࡚ࡣศ࠿ࡽ࡞࠸ࡀࠊ୧ࢫ࣌ࢡࢺ
ࣝ୰࡟↓ᩘࡢࢩࢢࢼࣝࡀほࡉࢀࡓࠋ࣓ࢱࣀ࣮ࣝᢳฟ≀࠿ࡽࡣࠊࡑࡢ 1H-NMR㸦᰾☢

Ẽඹ㬆㸧ࢫ࣌ࢡࢺࣝୖ࡟ࠊࣃࣜࢺ࢟ࢩࣥ㢮⦕య⏤᮶࡜ᛮࢃࢀࡿ 7.8 ppm ࡢࢩࢢࢼࣝࡶ
ほ࡛ࡁࡓࠋ௒ᚋࡣࠊྛ✀ࢡ࣐ࣟࢺࢢࣛࣇ࢕࣮ἲࢆ⏝࠸࡚ࠊ໬ྜ≀ࡢศ㞳⢭〇ࢆ㐍ࡵ࡚࠸ࡃணᐃ࡛࠶ࡿࠋ

⪃ᐹ࣭௒ᚋࡢᒎᮃ
ࣃࣜࢺ࢟ࢩࣥ㢮⦕య࡟ࡘ࠸࡚ࡣࠊOstreopsis ᒓࡢ࠸ࡿྍ⬟ᛶࡀ࠶ࡿࠋ┴ෆ࡛ࡶࢱ࢖ࣉࡢ␗࡞ࡿྠᒓ

㠴ẟ⸴ࡀࡑࡢ⏕⏘࡟㛵୚ࡋ࡚㠴ẟ⸴ࡀ⏕ᜥࡋ࡚࠸ࡿࡢ࡛ࠊ᥇㞟ᆅࡈ࡜࡟ศ㢮ࡋ࡚ࠊ௨ᚋࡢศ㞳࣭⢭〇ࢆ⾜࠺ࠋ᭱⤊ⓗ࡟ࠊࢻ࢘ࣔ࢖㓟㢮⦕యࡸࣃࣜࢺ࢟ࢩࣥ㢮⦕యࡢ໬Ꮫᵓ㐀ࡢゎ᫂ࠊᵓ㐀άᛶ┦㛵ࠊ⏕ྜᡂ⤒㊰ࡢ᳨ウ࠿ࡽࡇࢀࡽࡢẘࡢస⏝ᶵᗎ࡟ࡘ࠸࡚⪃ᐹࡋࠊࢻ࢘ࣔ࢖㓟ࡸࣃࣜࢺ࢟ࢩࣥࡢண㜵࣭἞⒪ࢆ┠ᣦࡋࡓ࠸ࠋ

ᘬ⏝ᩥ⊩
๓⏣

‶࣭ඣ⋢

஽࣭⏣୰㝯἞࣭ྜྷᰨ

⫕࣭㔝ᮏா㈨࣭➉ᮏᖖᯇ࣭⸨⏣⛱ኵ

1985㸬

⣚⸴㢮ࣁࢼࣖࢼࢠ࠿ࡽ༢㞳ࡉࢀࡓẅ⹸άᛶ≀㉁ࡢᵓ㐀㸬ኳ↛᭷ᶵ໬ྜ≀ウㄽ఍ㅮ
₇せ᪨㞟㸪27㸸616-623㸬

29
南太平洋海域調査研究報告 No.56（2015年3月）
OCCASIONAL PAPERS No.56（March 2015）኱㝮ㅖᓥ࡛ࣈࣘࡀ፹௓ࡍࡿࣇ࢕ࣛࣜ࢔ࡢㄪᰝ኱ሯ㟹A Survey of Filarial Parasites Transmitted
by Blackflies in the Osumi Islands
OTSUKA Yasushi㮵ඣᓥ኱Ꮫᅜ㝿ᓥᕋᩍ⫱◊✲ࢭࣥࢱ࣮Research Center for the Pacific Islands, Kagoshima University

せ᪨ࣈࣘࡣࣇ࢕ࣛࣜ࢔࡞࡝ࡢ⑓ཎయࢆ፹௓ࡍࡿࡇ࡜࠿ࡽ་Ꮫⓗࡸ⋇་Ꮫⓗ࡟ࡶ㔜せ࡞྾⾑᪻⹸࡛࠶ࡿࠋ௒ᅇࠊ኱㝮ㅖᓥ࡛ࣈࣘࡢ፹௓ࡍࡿࣇ࢕ࣛࣜ࢔ࡢㄪᰝࢆ⾜ࡗࡓࠋᒇஂᓥ࡛࢔࢝ࢡࣛ࢔ࢩ࣐ࢲࣛ
ࣈࣘ 25 ༉ࠊ࢔ࢩ࣐ࢲࣛࣈࣘ 23 ༉ࠊ✀Ꮚᓥ࡛ࡣ࢔ࢩ࣐ࢲࣛࣈࣘ 7 ༉ࡢ㞤ᡂ⹸ࢆ᥇㞟ࡋࡓࠋࡑࢀࡽ
ࢆゎ๗ࡋࡓࡀࣇ࢕ࣛࣜ࢔ࡣぢࡘ࠿ࡽ࡞࠿ࡗࡓࠋࡇࢀࡲ࡛༡すㅖᓥ࡛ࡣ࢔ࢩ࣐ࢲࣛࣈࣘࡀே྾⾑✀࡜ࡉࢀ࡚࠸ࡓࡀࠊᒇஂᓥ࡛ࡣ࢔࢝ࢡࣛ࢔ࢩ࣐ࢲࣛࣈࣘࡶ㔜せ࡛࠶ࡿࡇ࡜ࡀࢃ࠿ࡗࡓࠋ

ࡣࡌࡵ࡟ࣈࣘࡣ࢔ࣇࣜ࢝ࡸ୰༡⡿࡛ࡣࣄࢺ࢜ࣥࢥࢭࣝ࢝⑕㸦Ἑᕝ┣┠⑕㸧ࡢ㉳ᅉ✀࡜࡞ࡿࣇ࢕ࣛࣜ࢔ࡢ୍✀࡛࠶ࡿ Onchocerca volvulus ࢆ፹௓ࡍࡿࠋ᪥ᮏ࡛ࡣ࢖ࣀࢩࢩ࡟ᐤ⏕ࡍࡿ O. dewittei japonica ࡟ࡼࡿே⋇ඹ㏻࢜ࣥࢥࢭࣝ࢝⑕ࢆ፹௓ࡋ࡚࠸ࡿࠋ࢖ࣀࢩࢩ࡟
ࡣ O. dewittei japonica ࡢ௚࡟ࡶ O. takaokai ࡶࣈࣘࡀ፹௓ࡍࡿࡇ࡜ࡀ▱ࡽࢀ࡚࠸ࡿࠋ
௚ࡢᐟ୺࡛ࡣࠊ∵࡟࠸ࡿ O. lienalis ࡜ O. sp.ࠊࢽ࣍ࣥࢪ࢝࡟࠸ࡿ O. eberhardi ࡜O. skrjabiniࠊࢽ࣍ࣥ࢝ࣔࢩ࢝࡟࠸ࡿ O. suzukii ࢆࣈࣘࡀ፹௓ࡍࡿࠋࡲࡓࠊࣈࣘࡀ፹௓
ࡍࡿ࠿࡝࠺࠿ࢃ࠿ࡗ࡚࠸࡞࠸ Onchocera ✀࡜ࡋ࡚ࠊ∵࡟ O. gibsoni ࡜ O. gutturosaࠊ㤿࡟ O. cervicalis ࡀ࠸ࡿࠋࡇࢀࡲ࡛኱㝮ㅖᓥࢆྵࡵ༡すㅖᓥ࡟㛵ࡋ࡚ࡣࠊࣈࣘࡀ፹௓
ࡍࡿ࢜ࣥࢥࢭࣝ࢝ࡢㄪᰝࡣ⾜ࢃࢀ࡚࠸࡞࠸ࡢ࡛ࠊ⮬↛⏺࠿ࡽࣈࣘࢆ᥇㞟ࡋࡑࡢಖ᭷
ࡍࡿ࢜ࣥࢥࢭࣝ࢝ࢆྵࡴࣇ࢓ࣛࣜ࢔ࢆㄪᰝࡋࡓࠋ30
OTSUKA Yasushi᪉ἲᒇஂᓥ࡛ࡣ⣖ඖᮡ㏆ࡃ㸦ᶆ㧗 700m㸧ࠊ✀Ꮚᓥ࡛ࡣ⏨ῡዪῡࡢ⁪㏆ࡃ㸦ᶆ㧗 100m㸧
࡛ࠊேᅓἲ㸦㌴ࡢ࢚ࣥࢪࣥࡶ࢔࢖ࢻࣜࣥࢢ≧ែ࡛ྠ᫬࡟౑⏝ࡋࡓ㸧࡟ࡼࡾࣈ࣓ࣘࢫ
ᡂ⹸ࢆ᥇㞟ࡋࡓࠋ᥇㞟ࡋࡓ࣓ࢫᡂ⹸ࡣ 80%࢔ࣝࢥ࣮ࣝ࡟ධࢀ◊✲ᐊ࡟ᣢࡕᖐࡾࠊ㢧ᚤ㙾ୗ࡛ゎ๗ࡋࣇ࢕ࣛࣜ࢔ᗂ⹸ࢆ᥈ࡋࡓࠋࡲࡓࠊ᥇㞟ᆅ࿘㎶ࡢἙᕝ࡛ࣈࣘࡢᗂ⹸࠾ࡼࡧ
⻈ࡢ᥇㞟ࢆ⾜ࡗࡓࠋ⤖ᯝᒇஂᓥ࡛ࡢ᥇㞟࡛ࡣ࢔࢝ࢡࣛ࢔ࢩ࣐ࢲࣛࣈࣘ 25 ༉ࠊ࢔ࢩ࣐ࢲࣛࣈࣘ 23 ༉ࠊ✀Ꮚᓥ࡛ࡣ࢔ࢩ࣐ࢲࣛࣈࣘ 7 ༉ࢆ᥇㞟ࡋࡓ㸦ᅗ 1㸧ࠋ᥇㞟ࡋࡓࣈࣘࢆ◊✲ᐊ࡟ᣢࡕᖐࡾゎ๗ࡋࡓࡀࠊࡑࢀࡽࡢࣈࣘ࠿ࡽࡣ࢜ࣥࢥࢭࣝ࢝ྵࡴࣇ࢕ࣛࣜ࢔ᗂ⹸ࡣぢࡘ࠿ࡽ࡞࠿ࡗࡓࠋ
ࡲࡓࠊ᥇ྲྀᆅ࿘㎶ࡢἙᕝ࡛ࣈࣘࡢᗂ⹸࠾ࡼࡧ⻈ࢆ᥇㞟ࡋࡓ࡜ࡇࢁࠊᒇஂᓥ࡛ࡣ࢔ࢩ࣐
ࢲࣛࣈࣘࠊ࢟࢔ࢩࢶ࣓ࢺࢤࣈࣘࠊࣄ࣓࢔ࢩ࣐ࢲࣛࣈࣘࠊ࢔࢝ࢡࣛ࢔ࢩ࣐ࢲࣛࣈࣘࠊ
✀Ꮚᓥ࡛ࡣ࢔ࢩ࣐ࢲࣛࣈࣘࠊ࢟࢔ࢩࢶ࣓ࢺࢤࣈࣘࠊࣄ࣓࢔ࢩ࣐ࢲࣛࣈࣘࠊࢦࢫࢪࢩࣛ
࢟ࣈࣘࠊࢲ࢖ࢭ࣐ࣥࣖࣈࣘࡀ᥇㞟ࡉࢀࡓࠋᅗ 1 ࢔ࢩ࣐ࢲࣛࣈࣘ㸦ᕥ㸧࡜࢔࢝ࢡࣛ࢔ࢩ࣐ࢲࣛࣈࣘ㸦ྑ㸧ࡢ㞤ᡂ⹸

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A Survey of Filarial Parasites Transmitted by Blackflies in the Osumi Islands⪃ᐹ௒ᅇࡢㄪᰝ࡛ᒇஂᓥ࡛ࡣ࢔࢝ࢡࣛ࢔ࢩ࣐ࢲࣛࣈࣘࠊ࢔ࢩ࣐ࢲࣛࣈࣘࢆ᥇㞟ࡋࡓࠋ࢔ࢩ࣐ࢲࣛࣈࣘࡣ༡すㅖᓥ࡛ேࢆ྾⾑ࡍࡿࣈࣘ✀࡜ࡋ࡚ࡼࡃ▱ࡽࢀ࡚࠸ࡿࡀࠊ௒ᅇࡣ
࢔࢝ࢡࣛ࢔ࢩ࣐ࢲࣛࣈࣘࡀ᥇㞟ᩘ࡛࢔ࢩ࣐ࢲࣛࣈࣘࢆୖᅇࡗࡓࠋ௒ᅇࡢㄪᰝࡀ 10 ᭶ࡔࡗࡓࡓࡵࠊᖺ㛫ࢆ㏻ࡋ࡚ྠࡌ⤖ᯝ࡟࡞ࡿ࠿࡝࠺࠿ࡣࢃ࠿ࡽ࡞࠸ࡀࠊᒇஂᓥ࡛ࡣ࢔࢝
ࢡࣛ࢔ࢩ࣐ࢲࣛࣈࣘࡀே྾⾑✀࡜ࡋ࡚㔜せ࡛࠶ࡿࡇ࡜ࡀࢃ࠿ࡗࡓࠋ᥇㞟ࡋࡓࣈࣘ࠿ࡽ
ࡣࣇ࢕ࣛࣜ࢔ᗂ⹸ࡣぢࡘ࠿ࡽ࡞࠿ࡗࡓࡀࠊࡇࢀࡲ࡛ࡢ㔝እㄪᰝࡢ⤖ᯝࢆぢ࡚ࡶឤᰁ⋡ࡣ㧗ࡃ࡚ࡶ 1㹼3%࡯࡝࡞ࡢ࡛ࠊࡉࡽ࡟ከࡃࡢࣈࣘࢆゎ๗ࡍࡿᚲせࡀ࠶ࡿ࡜ᛮࢃࢀࡿࠋ
ᒇஂᓥ࡜✀Ꮚᓥ࡟ࡣ࢖ࣀࢩࢩࡀ࠸࡞࠸࡜ࡉࢀ࡚࠾ࡾࠊࡲࡓᒇஂᓥ࡟࠸ࡿࣖࢡࢩ࢝ࡣ
ᮏᅵ࡟⏕ᜥࡍࡿࢽ࣍ࣥࢪ࡛࢝ࡣ࡞ࡃள✀࡟ࡉࢀ࡚࠾ࡾࠊᮏᅵ࡜ࡣ࢜ࣥࢥࢭࣝ࢝ࡢᐟ୺
࡜࡞ࡿ့ங㢮ࡢ⏕ᜥ≧ἣࡀ኱ࡁࡃ␗࡞ࡗ࡚࠸ࡿࠋࡇࡢࡼ࠺࡞≧ἣ࡛ࣈࣘࡀ࢜ࣥࢥࢭࣝ
࢝ࡢ፹௓⪅࡜ࡋ࡚࡝ࡢࡼ࠺࡞ᙺ๭ࢆ⾜ࡗ࡚࠸ࡿࡢ࠿ࢆ▱ࡿࡓࡵ࡟ࡶࠊ௒ᚋࡶㄪᰝࡀᚲせ࡛࠶ࡿ࡜ᛮࢃࢀࡿࠋ
ࡲࡓࠊࣈࣘࡢᗂ⹸࣭⻈᥇㞟࡛ࡣ✀Ꮚᓥ࠿ࡽึグ㘓࡜࡞ࡿࢲ࢖ࢭ࣐ࣥࣖࣈࣘࢆ᥇㞟ࡋࡓࠋࢲ࢖ࢭ࣐ࣥࣖࣈࣘࡣ໭ᾏ㐨࡞࡝᪥ᮏࡢ໭᪉࡟ከࡃศᕸࡋ࡚࠸ࡿ✀࡛࠶ࡿࠋ஑ᕞ
࡛ࡶ⛥࡟᥇㞟ࡉࢀࡿࡇ࡜ࡀ࠶ࡿࠋࢲ࢖ࢭ࣐ࣥࣖࣈࣘࡢࡼ࠺࡟኱㝮ㅖᓥࡲ࡛ศᕸࡀ࠶ࡿ
ࣈࣘ✀࡜ࡋ࡚ࡣ࢘ࢳࢲࢶࣀ࣐ࣘࣈࣘࡸࣄ࣓࢔ࢩ࣐ࢲࣛࣈࣘࡀ࠶ࡿࠋ௒ᅇ✀Ꮚᓥ࡛ᗂ⹸
⻈ࡀ᥇㞟ࡉࢀࡓࢦࢫࢪࢩࣛ࢟ࣈࣘࡶ᪥ᮏ࡛ࡢศᕸࡣ኱㝮ㅖᓥࡲ࡛࡛ࠊྎ‴௨༡࡟࠸ࡿ
ࢦࢫࢪࢩࣛ࢟ࣈࣘࡣ㑇ఏᏊ㓄ิࡢẚ㍑ู࡛✀࡛࠶ࡿࡇ࡜ࡀ♧၀ࡉࢀ࡚࠸ࡿࠋ௒ᅇࠊ
ᒇஂᓥ࡛᭱ࡶᡂ⹸ࡀ᥇㞟ࡉࢀࡓ࢔࢝ࢡࣛ࢔ࢩ࣐ࢲࣛࣈࣘࡶࢦࢫࢪࢩࣛ࢟ࣈࣘ࡜ྠࡌ
ࡃࠊᮾ༡࢔ࢪ࢔࡟ศᕸࡋ࡚࠸ࡿࡶࡢࡢࠊ᪥ᮏ࡛ࡢศᕸࡢ༡㝈ࡣ኱㝮ㅖᓥ࡛࠶ࡿࠋ࢔࢝
ࢡࣛ࢔ࢩ࣐ࢲࣛࣈࣘࡶྛᆅࡢ㑇ఏᏊ㓄ิࡢẚ㍑࡛㞃ⶸ✀㸦cryptic species㸧ࡢ᭷↓ࡢ☜ㄆࡀᚲせ࡛࠶ࡿ࡜ᛮࢃࢀࡿࠋ

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南太平洋海域調査研究報告 No.56（2015年3月）
OCCASIONAL PAPERS No.56（March 2015）኱㝰༙ᓥ࡟⏕ᜥࡍࡿ㔝⏕ࢽ࣍ࣥࢨࣝࡢ⩌ࢀࢧ࢖ࢬ㸫ᒇஂᓥ࡜ࡢẚ㍑㸫
⸨⏣ᚿṌ 1࣭ᗙ㤿⪔୍㑻 2࣭➉ࣀୗ♸஧ 3࣭࿴⏣୍㞝 4࣭ᕷ᮶ࡼࡋᏊ 5Group Size of Wild Japanese Macaques(Macaca fuscata fuscata) in the Osumi Peninsula:
The Comparison with M. f. yakui in Yakushima Island
FUJITA Shiho1, ZAMMA Koichiro2, TAKENOSHITA Yuji3, WADA Kazuo4 and ICHIKI Yoshiko5

1: 㮵ඣᓥ኱Ꮫඹྠ⋇་Ꮫ㒊
2: ி㒔኱Ꮫ࢔ࢪ࢔࣭࢔ࣇࣜ࢝ᆅᇦ◊✲◊✲⛉㸭㔝⏕ື≀◊✲ࢭࣥࢱ࣮
3: ୰㒊Ꮫ㝔኱ᏛᏊ࡝ࡶᏛ㒊
4: NPO ἲேࣉࣛ࢖࣓࢖ࢺ࣭࢔ࢦࣛ
5: ኱㝮༙ᓥࡢ⮬↛ࢆ⪃࠼ࡿ఍
1: Joint Faculty of Veterinary Medicine, Kagoshima University
2: ASAFAS/WRC, Kyoto University
3: Faculty of Child Science, Chubu Gakuin University
4: Primate Agora
5: Care for Nature in Osumi Clubせ᪨ࢽ࣍ࣥࢨࣝࡢ⩌ࢀࢧ࢖ࢬࠊ㐟ືᇦ㠃✚ࠊಶయᐦᗘ࡜࠸ࡗࡓ⏕ែᏛⓗ≉ᚩࡣᆅᇦᕪࡀㄆࡵࡽࢀ࡚࠾ࡾࠊ
࡜ࡃ࡟ⴠⴥᶞᯘᖏ࡜↷ⴥᶞᯘᖏ࡛ࡣ኱ࡁࡃ␗࡞ࡿࡇ࡜ࡀሗ࿌ࡉࢀ࡚࠸ࡿࠋࡋ࠿ࡋࠊࡇࢀࡽࡢࢹ࣮ࢱࡣࠊ
࣍ࣥࢻࢽ࣍ࣥࢨࣝ㸦Macaca fuscata fuscata㸧࡜ࣖࢡࢩ࣐ࢨࣝ㸦M. f. yakui㸧࡜࠸࠺ࠊ஧ࡘࡢள✀ࢆẚ㍑ࡋࡓ
ࡶࡢࡀ࡯࡜ࢇ࡝࡛࠶ࡾࠊࡑࡢᕪ␗ࡀ⎔ቃせᅉ࡟ࡼࡿࡶࡢ࠿ࠊ࠶ࡿ࠸ࡣள✀㛫ࡢ㐪࠸࠿ࢆ᫂☜࡟༊ูࡍࡿ
ࡇ࡜ࡣᅔ㞴࡛࠶ࡗࡓࠋᮏ◊✲ࡣࠊࡇࡢၥ㢟ࢆゎỴࡍࡿࡓࡵ࡟ࠊ↷ⴥᶞᯘᖏ࡟⏕ᜥࡍࡿ࣍ࣥࢻࢽ࣍ࣥࢨࣝ
࡟ࡘ࠸࡚⏕ែᏛⓗᇶ♏㈨ᩱࢆ཰㞟ࡋࠊྠࡌࡃ↷ⴥᶞᯘᖏ࡟⏕ᜥࡍࡿࣖࢡࢩ࣐ࢨࣝࡢࡑࢀ࡜ẚ㍑ࡋࡓࠋ
ㄪᰝᆅࡣ✄ᑿᓅ⮬↛⎔ቃಖ඲ᆅᇦ࡜ࡑࡢ࿘㎶ᇦ࡛࠶ࡾࠊ2013 ᖺ 9 ᭶࡜ 2014 ᖺ 8 ᭶࡟ࠊ⩌ࢀᩘ࠾ࡼࡧ
⩌ࢀࢧ࢖ࢬࢆㄪ࡭ࡿࡓࡵࡢ࣮ࣝࢺࢭࣥࢧࢫࢆ⾜ࡗࡓࠋㄪᰝࡢ⤖ᯝࠊ኱㝮༙ᓥ࡟⏕ᜥࡍࡿࢽ࣍ࣥࢨࣝࡢ
⩌ࢀࢧ࢖ࢬࡣࠊࡇࢀࡲ࡛࡟ሗ࿌ࡉࢀࡓࣖࢡࢩ࣐ࢨࣝࡢࡑࢀ࡜ẚ㍑ࡋ࡚࠿࡞ࡾ኱ࡁ࠸ࡇ࡜ࡀศ࠿ࡗࡓࠋ

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FUJITA Shiho, ZAMMA Koichiro, TAKENOSHITA Yuji, WADA Kazuo and ICHIKI Yoshiko⫼ᬒࢽ࣍ࣥࢨࣝ㸦Macaca fuscata㸧࡟࠾࠸࡚ࠊ⩌ࢀࢧ࢖ࢬࠊ㐟ືᇦ㠃✚ࠊᐦᗘ࡜࠸ࡗࡓࠊ♫఍ᵓ㐀ࡸศᕸ࡟㛵ࡍࡿ≉ᚩࡣᆅᇦᕪࡀㄆࡵࡽࢀ࡚࠾ࡾࠊ࡜ࡃ࡟ⴠⴥᶞᯘᖏ࡜↷ⴥᶞᯘᖏ࡛ࡣ
ࠋࡋ࠿ࡋࠊࡇࢀࡽࡢ⤖ᯝࡣࠊ኱ࡁࡃ␗࡞ࡿࡇ࡜ࡀሗ࿌ࡉࢀ࡚࠸ࡿ㸦e.g., TAKASAKI 1981㸧࣍ࣥࢻࢽ࣍ࣥࢨࣝ㸦M. f. fuscata㸧࡜ࣖࢡࢩ࣐ࢨࣝ㸦M. f. yakui㸧࡜࠸࠺ࠊ஧ࡘࡢள✀ࢆẚ㍑
ࡋࡓࡶࡢࡀ࡯࡜ࢇ࡝࡛࠶ࡾࠊࡑࡢᕪ␗ࡀ⎔ቃせᅉ࡟ࡼࡿࡶࡢ࠿ࠊ࠶ࡿ࠸ࡣள✀㛫ࡢ㐪࠸࠿ࢆ᫂☜࡟༊ูࡍࡿࡇ࡜ࡣᅔ㞴࡛࠶ࡗࡓࠋᮏ◊✲ࡣࠊࡇࡢၥ㢟ࢆゎỴࡍࡿࡓࡵ࡟ࠊ↷ⴥᶞᯘᖏ࡟⏕ᜥࡍࡿ࣍ࣥࢻࢽ࣍ࣥࢨࣝ࡟ࡘ࠸࡚⏕ែᏛⓗᇶ♏㈨ᩱࢆ཰㞟ࡋࠊྠࡌࡃ↷ⴥᶞᯘᖏ࡟
⏕ᜥࡍࡿࣖࢡࢩ࣐ࢨࣝࡢࡑࢀ࡜ẚ㍑ࡋࡓࠋ

᪉ἲㄪᰝᆅࡣ✄ᑿᓅ⮬↛⎔ቃಖ඲ᆅᇦ࡜ࡑࡢ࿘㎶ᇦ࡛࠶ࡾࠊᾏᓊ࠿ࡽᒣ㡬ࡲ࡛⮬↛᳜⏕ࡀ㐃⥆ࡍࡿࠋㄪᰝࡣ 2013 ᖺ 9 ᭶㸦6 ᪥㛫㸧࡜ 2014 ᖺ 8 ᭶㸦8 ᪥㛫㸧࡟⾜ࡗࡓࠋᶆ㧗 90㹼270m ࡟㉮ࡿබ㐨 15.7km ࢆ 7 ༊㛫࡟ศࡅ㸦ᅗ 1㸧ࠊྛ༊㛫࡟ 1ࠥ2 ேࡢㄪᰝဨࢆ
㓄⨨ࡋ࡚ࠊ༗๓࡜༗ᚋࡢ 2 ᅇࠊྛ 4 ᫬㛫ࡢ࣮ࣝࢺࢭࣥࢧࢫࢆ⾜ࡗࡓࠋㄪᰝဨࡣྛ༊㛫ࢆྠ᫬࡟ࢫࢱ࣮ࢺࡋ୍࡚ᐃ㏿ᗘ࡛Ṍࡁࠊ⤊஢᫬้ࡲ࡛ྛ༊㛫ࢆ ᚟ࡋࡓࠋ㋃ᰝ୰࡟ࢽ࣍ࣥࢨ
ࣝࢆ┠ᧁࡋࡓሙྜࠊ࠾ࡼࡧ㡢ኌࢆ☜ㄆࡋࡓሙྜࡣࠊ᫬้࠾ࡼࡧ఩⨨࡜࡜ࡶ࡟ࡑࡢ᝟ሗࢆ
グ㘓ࡋࠊྍ⬟࡛࠶ࢀࡤᛶ࣭ᖺ㱋ẖ࡟ಶయᩘࢆ࢝࢘ࣥࢺࡋࡓࠋ

ᅗ 1A ㄪᰝᆅ

ᅗ 1B ࢭࣥࢧࢫࡢ㋃ᰝ࣮ࣝࢺ㸦a-h㸧35Group Size of Wild Japanese Macaques (Macaca fuscata fuscata) in the Osumi Peninsula: The Comparison with M. f. yakui in Yakushima Island⤖ᯝ2013 ᖺࡢㄪᰝ࡛ࡣࠊ㋃ᰝ࣮ࣝࢺୖ࡛ᑡ࡞ࡃ࡜ࡶ 3 ࡘࡢ⩌ࢀࡀ☜ㄆ࡛ࡁࡓࠋ࠸ࡎࢀࡶࣇࣝ
࢝࢘ࣥࢺࡣ࡛ࡁ࡞࠿ࡗࡓࡶࡢࡢࠊ⩌ࢀࢧ࢖ࢬࡣࡑࢀࡒࢀ 14ࠊ56 ࠾ࡼࡧ 66 ಶయ࡛࠶ࡗࡓࠋ
2014 ᖺࡢㄪᰝ࡛ࡣࠊ2ࠥ4 ⩌ࡢ⩌ࢀࡀ☜ㄆ࡛ࡁࠊࢧࣈࢢ࣮ࣝࣆࣥࢢ㸦⩌ࢀࡀ୍᫬ⓗ࡟ศ⿣ࡍࡿ⌧㇟㸧ࡋ࡚࠸ࡿ඙ೃࡀㄆࡵࡽࢀࡓࠋࡍ࡞ࢃࡕࠊ2 ࡘࡢ⩌ࢀࡀࡑࢀࡒࢀ୍᫬ⓗ࡟ศ⿣ࡋࠊ4 ࡘࡢ⩌ࢀ࡜ࡋ࡚☜ㄆࡉࢀࡓྍ⬟ᛶࡶ⪃࠼ࡽࢀࡓࠋ2 ࡘࡢ⩌ࢀ࡜ࡍࡿ࡜ࠊ⩌ࢀࢧ࢖ࢬࡣࡑࢀࡒࢀ 95 ࠾ࡼࡧ 124 ಶయ࡛࠶ࡗࡓࠋ

⪃ᐹᮏ◊✲ࡢㄪᰝᆅ࡜࡯ࡰྠࡌᶆ㧗ࡢᒇஂᓥす㒊ᯘ㐨࡟⏕ᜥࡍࡿࣖࢡࢩ࣐ࢨ࡛ࣝࡣࠊᖹᆒ⩌ࢀࢧ࢖ࢬ㸦ಶయᩘ㸧ࡣ 16.9㸦⠊ᅖ 7ࠥ29㸧࡛࠶ࡿ㸦YOSHIHIRO et al. 1999㸧ࠋᮏㄪᰝࡢ⤖ᯝࠊ኱㝮༙ᓥ✄ᑿᓅ࿘㎶࡟⏕ᜥࡍࡿ࣍ࣥࢻࢽ࣍ࣥࢨࣝࡢ⩌ࢀࢧ࢖ࢬࡣᒇஂᓥす㒊ᯘ㐨ࡢ⩌ࢀࡢ
2ࠥ7 ಸ࡛࠶ࡗࡓࠋࡲࡓࠊᒇஂᓥす㒊ᯘ㐨࡛ࡣ 1km ࠶ࡓࡾ 4ࠥ6 ࡢ⩌ࢀࡀᏑᅾࡍࡿࡢ࡟ᑐࡋ
㸦YOSHIHIRO et al. 1999㸧ࠊᮏㄪᰝᆅ࡛ࡣ 1km ࠶ࡓࡾࡢ⩌ࢀᩘࡣ 0.1ࠥ0.2 ࡛࠶ࡗࡓࠋ
ࡍ࡞ࢃࡕࠊᒇஂᓥ࡟ࡣᑠࡉ࡞⩌ࢀࡀᑠࡉ࠸⾜ືᅪࢆࡶࡗ࡚ᩘከࡃᏑᅾࡍࡿࡢ࡟ᑐࡋࠊ
኱㝮༙ᓥ࡛ࡣ኱ࡁ࡞⩌ࢀࡀ኱ࡁ࡞⾜ືᅪࢆࡶࡗ࡚⏕ᜥࡋࠊ⩌ࢀࡢᩘࡣᑡ࡞࠸ࡇ࡜ࡀ♧၀ࡉࢀࡓࠋ↷ⴥᶞᯘ࡛ࡣࠊࢽ࣍ࣥࢨࣝࡢ୺せ㣗≀࡛࠶ࡿᯝᐇ㢮ࡀ࡯ࡰ୍ᖺ୰฼⏝ྍ⬟࡛࠶ࡾ
㸦AGETSUMA and NAKAGAWA 1998㸧ࠊ㧗ᐦᗘࡢಶయࢆ⥔ᣢ࡛ࡁࡿ⏕ᜥ⎔ቃ࡛࠶ࡿ࡜⪃࠼ࡽࢀࡿࠋࡋ࠿ࡋ࡞ࡀࡽࠊ኱㝮༙ᓥ࡜ᒇஂᓥࢆẚ㍑ࡋࡓሙྜࠊྠࡌ㧗ᐦᗘ࡛ࡶࠊ⩌ࢀࢧ࢖ࢬࡀ
኱ࡁࡃ␗࡞ࡗࡓࠋࡇࡢ⌮⏤࡟ࡘ࠸࡚ࡣ᫂ࡽ࠿࡛࡞࠸ࡀࠊள✀㛫ࡢ㑇ఏⓗ࡞㐪࠸ࡢ࡯࠿ࠊ
⩌ࢀ㛫➇ྜ࡞࡝ࡢ♫఍ⓗせᅉࠊ᭷ᐖᤕ⋓࡞࡝ே㛫࡜ࡢ㌵㎚ࠊ᳃ᯘ⎔ቃࡢṔྐⓗኚ㑄㸦ఆ᥇ࡢᙳ㡪㸧࡞࡝ࠊ」ᩘࡢせᅉࡀᙳ㡪ࡍࡿ࡜⪃࠼ࡽࢀࡿࠋ௒ᚋࠊᮏㄪᰝᆅ࡟࠾ࡅࡿ⩌ࢀࡢศᕸ≧ἣࡸ⩌ࢀࢧ࢖ࢬ࡟ࡘ࠸࡚ࡉࡽ࡟⢭ᰝࡍࡿ࡜࡜ࡶ࡟ࠊᒇஂᓥ࡜ࡢᕪ␗ࢆࡶࡓࡽࡍせᅉ࡟ࡘ࠸᳨࡚ウࡍࡿணᐃ࡛࠶ࡿࠋཧ⪃ᩥ⊩
AGETSUMA, N. and NAKAGAWA, N. 1998. Effects of Habitat Differences on Feeding Behaviors ofJapanese Monkeys: Comparison between Yakushima and Kinkazan. Primates, 39: 275-289.
TAKASAKI, H. 1981. Troop Size, Habitat Quality, and Home Range Area in Japanese Macaques.
Behavioral Ecology and Sociobiology, 9: 277-281.
YOSHIHIRO, S., OHTAKE, M., MATSUBARA, H., ZAMMA, K., HAN’YA, G., TANIMURA, Y., KUBOTA, H.,
KUBO, R., ARAKANE, T., HIRATA, T., FURUKAWA, M., SATO, A. and TAKAHATA, Y. 1999. Vertical
Distribution of Wild Yakushima Macaques (Macaca fuscata yakui) in the Western Area ofYakushima Island, Japan: Preliminary Report. Primates, 40: 409-415.

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南太平洋海域調査研究報告 No.56（2015年3月）
OCCASIONAL PAPERS No.56（March 2015）㮵ඣᓥ┴᫛࿴◲㯤ᓥࡢⅆᒣᄇẼᏍ࿘㎶࡟⏕ᜥࡍࡿ
Xenograpsus testudinatus ࡢ⏕≀Ꮫⓗ◊✲㕥ᮌᘅᚿ࣭ᒾᓮ㉳☻࣭Ᏹ㒔ᐑᝆ࣭ᒾᮏᾏ⨾Biological Study of the Hydrothermal Crab,
Xenograpsus testudinatus Ng, Huang & Ho, 2000 (Crustacea:
Decapoda: Brachyura: Grapsidae) Inhabit
in the Adjacent Water of Showa-Iwojima, Southern JapanSUZUKI Hiroshi, IWASAKI Tatsuki, UTSUNOMIYA Yu and IWAMOTO Amami

㮵ඣᓥ኱ᏛỈ⏘Ꮫ㒊
Faculty of Fisheries, Kagoshima University

せ᪨
2011 ᖺ 5 ᭶ࠊ㮵ඣᓥ┴୕ᓥᮧ◲㯤ᓥᮾ᪉⣙ 3km ࡟఩⨨ࡍࡿ᫛࿴◲㯤ᓥ࿘㎶ᾏᇦࡢⅆᒣᛶᄇẼ௜㏆࡛࢖࣡࢞ࢽ⛉࢝ࢽ㢮ࡀⓎぢࡉࢀࡓࠋᮏ✀ࡣྎ‴டᒣᓥࢆᇶ⏘ᆅ࡜ࡍࡿ Xenograpsus testudinatus ࡜ྠᐃࡉࢀࡓ㸦NG et al. 2014㸧ࠋᮏ✀ࢆྵࡴ Xenograpsus ᒓࡣୡ⏺࡛ 3 ✀ࡋ࠿ሗ࿌ࡉࢀ࡚࠾ࡽࡎࠊࡑࡢ⏕≀Ꮫⓗ▱ぢࡣ㠀ᖖ࡟ஈࡋ࠸ࠋ➹⪅ࡽࡣ 2014 ᖺ 5 ᭶ࡼࡾ㝶᫬ᮏ✀ࡢ⏕ែᏛⓗ◊✲ࢆ㐍ࡵࠊࡑࡢ⏕ᜥ㔞ࡀ 3,100㹼3,800ಶయ࡛࠶ࡿࡇ࡜ࠊᮏ✀ࡢศᕸࡀ᫛࿴◲㯤ᓥ༡ഃᾏ㠃࡟㝈ࡽࢀࠊ࠿ࡘࠊᓊᐤࡾࡢ୍㒊ࡢᆅᇦ࡟ࡋ࠿⏕ᜥࡋ࡚࠸࡞࠸஦ࢆ᫂ࡽ࠿࡟ࡋࡓࠋᮏ✀ࡢಶయ⩌⏕ែᏛⓗ◊✲ࡣ⌧ᅾࡶ⥅⥆୰࡛࠶ࡿࠋ

ࡣࡌࡵ࡟࣍࢘࢟࢞ࢽᒓ㸦௬⛠㸧Genus Xenograpsus Takeda & Kurata, 1977 ࡣࠊ⌧ᅾ 3 ✀ࡢࡳࡀሗ࿌
ࡉࢀ࡚࠾ࡾࠊࡑࡢ඲࡚ࡀᾏᗏⅆᒣࡶࡋࡃࡣⅆᒣᛶᄇẼࡀᄇฟࡋ࡚࠸ࡿᾏᇦ࡟ࡢࡳ⏕ᜥࡋ࡚࠸ࡿࠋࡑࢀࡽࡣ 1977 ᖺ࡟ᮾி㒔ᑠ➟ཎࡢすஅᓥ᪂ᓥ࠿ࡽ᪂ᒓ᪂✀࡜ࡋ࡚グ㍕ࡉࢀࡓࢽࢩࣀ
ࢩ࣐࣍࢘࢟࢞ࢽ X. novaeinsularis Takeda & Kurata, 1977ࠊྎ‴໭᪉ࡢடᒣᓥ࠿ࡽሗ࿌ࡉࢀࡓ
X. testudinatus N. K. Ng, Huang & Ho, 2000ࠊཬࡧࢽ࣮ࣗࢪ࣮ࣛࣥࢻ໭᪉ᾏᇦ࡟࠶ࡿࢣ࣐ࣝࢹ
࢕ࢵࢡᾏᗏⅆᒣ࠿ࡽሗ࿌ࡉࢀࡓ X. ngatama McLay, 2007 ࡛࠶ࡿࠋ38
SUZUKI Hiroshi, IWASAKI Tatsuki, UTSUNOMIYA Yu and IWAMOTO Amami

1993 ᖺࠊ㮵ඣᓥ┴༑ᓥᮧᝏ▼ᓥࡢᾏᗏ Ἠࠊཬࡧࠊᮾி㒔ᑠ➟ཎㅖᓥ໭◲㯤ᓥ࡛ࢽࢩࣀ
ࢩ࣐࣍࢘࢟࢞ࢽࡢ⏕ᜥࡀሗ࿌ࡉࢀ㸦Ṋ⏣ࡽ 1993㸧
ࠊ2014 ᖺ࡟ࡣ㮵ඣᓥ┴୕ᓥᮧ᫛࿴◲㯤
ᓥ࿘㎶ᾏᇦ࠿ࡽ X. testudinatus ࡀሗ࿌ࡉࢀࡿ࡞࡝㸦NG et al. 2014㸸ᅗ 1&2㸧ࠊᮏᒓࡢ᪥ᮏ
࿘㎶ᾏᇦ࡟࠾ࡅࡿ᪂ࡓ࡞⏕ᜥᆅࡀ᫂ࡽ࠿࡟࡞ࡾࡘࡘ࠶ࡿࠋࡋ࠿ࡋ࡞ࡀࡽࠊᮏᒓࡢ࢝ࢽ㢮࡟㛵ࡍࡿ◊✲ࡣࠊ
ࡑࡢ࡯࡜ࢇ࡝ࡀศ㢮Ꮫⓗ◊✲࡛ࠊ⏕≀Ꮫⓗࠊ⏕ែᏛⓗ◊✲ࡣ JENG et al.㸦2004b㸧
࡟ࡼࡿ X. testudinatus ࡢᦤ㣵⏕ែ࡟㛵ࡍࡿ◊✲࡜ྠ᫬࡟⾜ࡗࡓྠ✀ᗂ⏕ࡢᙧែࢆグ㍕ࡋࡓ
ࡶࡢ㸦JENG et al. 2004a㸧ࡔࡅ࡛࠶ࡿࠋࡑࡇ࡛ࠊᮏ◊✲࡛ࡣࠊᾏᗏⅆᒣࡸⅆᒣᛶᄇẼࡢᄇฟࡍࡿ≉␗࡞⎔ቃ࡟⏕ᜥࡍࡿᮏᒓࡢ⏕ែࢆ◊✲ࡍࡿୖ࡛୙ྍḞ࡞⏕≀Ꮫⓗᇶ♏▱ぢࢆᚓࡿࡇ࡜ࢆ┠ⓗ࡜ࡋࡓࠋ
ᮏ◊✲ࢆᐇ᪋ࡍࡿ࡟ᙜࡓࡾࠊㄪᰝ᥇㞟࡟ࡈ༠ຊ࠸ࡓࡔ࠸ࡓᮏᏛỈ⏘Ꮫ㒊⦎⩦⯪༡ᫍ୸ࡢᖜ㔝᫂ṇ⯪㛗ࡣࡌࡵ஌⤌ဨⓙᵝ࡟῝ࡃឤㅰࡋࡲࡍࠋࡲࡓࠊ⌧ᆅ࡛ࡢ SCUBA ࡟ࡼࡿᶆᮏ
᥇㞟࡟ከ኱࡞ᑾຊࢆ࠸ࡓࡔ࠸ࡓᮏᏛᢏ⾡㒊⫋ဨᯇᒸ⩫ዪྐࠊ୕ᓥᮧ◲㯤ᓥᅾఫࡢᲚཎẶ࡟῝ㅰ࠸ࡓࡋࡲࡍࠋ࡞࠾ࠊᮏ◊✲㈝ࡢ୍㒊ࡣᏛ㛗⿢㔞⤒㈝㺀ࢥ࢔◊✲㺁࡟ࡼࡿࠋᮦᩱ࠾ࡼࡧ᪉ἲ
ㄪᰝࡣࠊ2014 ᖺ 5 ᭶ࠊ8 ᭶ࠊ10 ᭶࡟᫛࿴◲㯤ᓥ༡ഃᾏ㠃ࡢᾏᓊ⥺࡟ἢࡗ࡚ 10 Ⅼࠊ8 ᭶
ཬࡧ 10 ᭶࡟ࡣࡇࡢ 10 Ⅼ࡟ຍ࠼ᾏᓊ࠿ࡽἈ࡟ྥ࠿ࡗ࡚ 50m ࡢࣛ࢖ࣥࢆ 2 ᮏ୪⾜ࡋ࡚タ⨨ࡋ࡚⾜ࡗࡓࠋᾏᓊ⥺࡟ἢࡗࡓ 10 Ⅼ࡛ࡣࠊࡑࢀࡒࢀ 2 ಶࢆ 1 ⤌࡜ࡋࡓࢺࣛࢵࣉ㸦ᕷ㈍ࡢ㨶࣮࢟ࣛ㸸ࢧ࢖ࢬࡣ 26.5×26.5×39cmࠊ┠ྜ࠸⣙ 2mm㸧ࢆ 1 ᫨ኪタ⨨ࡋࡓࠋ50m ࡢࣛ࢖ࣥࢺࣛࣥࢭ
ࢡࢺἲ࡛ࡣࠊ5m 㛫㝸࡟ 2 ಶ 1 ⤌ࡢࢺࣛࢵࣉࢆ 1 ᫨ኪタ⨨ࡋࡓࠋ᥇㞟ಶయࡣ⢭ᗘ 0.05 ੈࡢࣀࢠࢫ࡛⏥㛗ࠊ⏥ᖜࢆィ ࡋࠊ㞤㞝ࠊᢪ༸ࡢ᭷↓ࢆグ㘓ࡋࠊ୍㒊ࡢಶయࢆ㝖ࡁᨺὶࡋࡓࠋ
ࡲࡓࠊ5 ᭶࡜ 10 ᭶ࡢㄪᰝ࡛ࡣ࣐࣮࢟ࣥࢢἲࢆ⏝࠸࡚⏕ᜥ㔞ࢆ᥎ᐃࡋࡓࠋᐇ㦂ᐊ࡟ᣢࡕᖐࡗ
ࡓᢪ༸ಶయࡣ཮║ᐇయ㢧ᚤ㙾ୗ࡛༸ᩘࢆィᩘࡍࡿ࡜ྠ᫬࡟ࠊ
ࡑࡢ࠺ࡕ 50 ༸ࢆ㑅ࡧฟࡋ༸ᚄࢆ ᐃࡋࡓࠋྠ᫬࡟ࠊㄪᰝᾏᇦࡢỈ㉁㸦pH㸧࠾ࡼࡧẼἻ୰ࡢ඲◲໬≀㔞ࡶ ᐃࡋࡓࠋᅗ 1 ᫛࿴◲㯤ᓥᾏᇦ࡛᥇㞟ࡉࢀࡓ Xenograpsus
testudineatus Ng, Huang & Ho, 2000

ᅗ 2 ⏕ᜥᾏᇦᾏᗏࡢᵝᏊ39
Biological Study of the Hydrothermal Crab, Xenograpsus testudinatus Ng, Huang & Ho, 2000 (Crustacea: Decapoda: Brachyura: Grapsidae) Inhabit in the Adjacent Water of Showa-Iwojima, Southern Japan⤖ᯝ࠾ࡼࡧ⪃ᐹㄪᰝᾏᇦࡢ pH ್ࡣᖹᆒ 6.1±0.03㸦ࢹ࣮ࢱᩘ 11㸧࡜㏻ᖖࡢᾏỈࡢ್㸦⣙ 8.3㸧ࡼࡾప࠸್ࢆ♧ࡋࡓࠋẼἻ࡟ྵࡲࢀࡿ඲◲໬≀ࡣ 0.3ppm ࡛࠶ࡗࡓࠋࡇࢀࡽ◲໬≀㔞࡜ pH ࡜ࡢ㛫࡟ࡣఱࡽ࠿ࡢ㛵ಀࡀண᝿ࡉࢀࡿࡀࠊ
௒ᅇࡣㄪᰝ࡛ࡁ࡞࠿ࡗࡓࡢ࡛௒ᚋㄪᰝࡍࡿᚲせࡀ࠶ࢁ࠺ࠋ
5 ᭶ࡢㄪᰝ࡛ࡣ࢜ࢫ 365 ಶయࠊ࣓ࢫ 93 ಶయࡀ᥇㞟ࡉࢀࠊ࣐࣮࢟ࣥࢢἲ࡟ࡼࡿ⥲⏕ᜥᩘࡣ3,717 ಶయ୪ࡧ࡟ 3,258 ಶయ࡜᥎ᐃࡉࢀࡓࠋ10 ᭶ࡢㄪᰝ࡛ࡣ࢜ࢫ 351 ಶయࠊ࣓ࢫ 52 ಶయࡀ᥇㞟ࡉࢀࠊ⥲⏕ᜥᩘࡣ 3,147 ಶయ࡜᥎ᐃࡉࢀࡓࠋᚑࡗ࡚ࠊᮏ✀ࡣ᫛࿴◲㯤ᓥ༡ഃᾏ㠃ࡢ⣙ 100m×50m ࡢ㝈ࡽࢀࡓ⠊ᅖ࡟ 3,100㹼3,700 ಶయࡀ⏕ᜥࡋ࡚࠸ࡿ࡜⪃࠼ࡽࢀࡿࠋࡲࡓࠊ
ᢪ༸ಶయࡀ 5 ᭶࡟☜ㄆࡉࢀ 8 ᭶࡟ࡣ☜ㄆࡉࢀ࡞࠿ࡗࡓࡇ࡜࠿ࡽᮏ✀ࡢ⏘༸᫬ᮇࡣ௚ࡢ࢖࣡
࢞ࢽ⛉ྠᵝࠊ᫓㹼ึኟ࡛ࡣ࡞࠸࠿࡜⪃࠼ࡽࢀࡿࠋ⏥㛗⤌ᡂࡢᏘ⠇ኚ໬ࢆࡳࡿ࡜ࠊ10 ᭶࡟ᑠᆺಶయࡢຍධࡀㄆࡵࡽࢀࠊࡑࡢᚋࠊ㞝࡛ࡣ⩣ࠎᖺࡢ 10 ᭶ࡲ࡛ࠊ㞤࡛ࡣ⩣ᖺࡢ 5 ᭶ࡲ࡛᫂░࡞ࢧ࢖ࢬ⩌ࡀぢ࠼ࡿࡇ࡜࠿ࡽࠊ
㞝ࡣ⣙ 2 ᖺࠊ㞤ࡣ⣙ 1 ᖺ༙ࡢᑑ࿨࡛࠶ࡿ࡜⪃࠼ࡽࢀࡓࠋ
ᮏ✀ࡢศᕸࡀỈ㉁ࠊ≉࡟ప࠸ pH ್࡜㛵㐃ࡍࡿࡢ࡛ࡣ࡞࠸࠿࡜⪃࠼ࠊⅆᒣ⏤᮶ࡢẼἻࡀᄇฟࡍࡿ⟠ᡤࡢᩘ࡜ಶయᩘࡢ㛵ಀࢆ᳨ウࡋࡓࡀࠊ᫂░࡞ṇࡢ┦㛵ࡣㄆࡵࡽࢀ࡞࠿ࡗࡓࠋ
ࡋ࠿ࡋ࡞ࡀࡽᮏ✀ࡢศᕸᵝᘧࡣ᫂ࡽ࠿࡟୍ᵝศᕸ࡛ࡣ࡞ࡃࠊἢᓊ㒊࡟㞟୰ࡋ࡚࠸ࡿࡇ࡜ࡀ
ศ࠿ࡗࡓࠋࡉࡽ࡟ࠊἢᓊ࠿ࡽ 20㹫㞳ࢀࡓἈྜ࡛ࡶ 4 ಶయ௨ୖฟ⌧ࡍࡿⅬࡀ࠶ࡾࠊ࠿ࡘἢᓊ
㒊ࡢಶయࡢ⏥㛗ࡀࠊἈྜࡢᆅⅬࡢಶయ࡟ẚ࡭࡚኱ࡁ࠸ഴྥࢆ♧ࡋࡓࠋࡑࡢᆅⅬࡢ pH ್ࡣ
7.58ࠊ୪ࡧ࡟ 7.94 ࡜㏆ഐࡢᆅⅬࡢࡑࢀࡼࡾప࠿ࡗࡓࠋ௒ᅇࡢㄪᰝ࡛ࡣࡲࡔ୙༑ศ࡛࠶ࡿ
ࡢ࡛ࠊ௒ᚋࢢࣜࢵࢻㄪᰝ࡞࡝ヲ⣽࡞ㄪᰝࡀᚲせ࡛࠶ࡿࠋᘬ⏝ᩥ⊩JENG, M. S., CLARK, P. F. and NG, P. K. L. 2004a. The First Zoea, Megalopa, and First Crab Stage ofthe Hydrothermal Vent Crab, Xenograpsus testudinatus (Decapoda: Brachyura: Grapsoidea)and Systematic Implications for the Varunidae. Journal of Crustacean Biology, 24: 188-212.
JENG, M. S., NG, N. K. and NG, P. K. L. 2004b. Hydrothermal Vent Crabs Feeds on Marine Snow.
Nature, 432: 969.
MCLAY, C. L. 2007. New Crabs from Hydrothermal Vents of the Kermadec Ridge Submarine
Volcanoes, New Zealand: Gandalfus gen. nov. (Bythograeidae) and Xenograpsus (Varunidae)(Decapoda: Brachyura). Zootaxa, 1524: 1-22.
NG, N. K., HUANG, J. F. and HO, P. H. 2000. Description of a New Species of Hydrothermal Crab,
Xenograpsus testudinatus (Crustacea: Decapoda: Brachyura: Grapsidae). In: Proceedings of theInternational Symposium on Marine Biology in Taiwan – Crustacean and Plankton Taxonomy,
Ecology and Living Resources (Eds. HWANG, J. S., WANG, C. H. and CHAN, T. Y.), 191-199,
Figs 1-3, National Taiwan Museum Special Series, No. 10, Taiwan.

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SUZUKI Hiroshi, IWASAKI Tatsuki, UTSUNOMIYA Yu and IWAMOTO Amami

NG, N. K., SUZUKI, H., SHIH, H. T., DEWA, S. I. and NG, P. K. L. 2014. The Hydrothermal Crab,
Xenograpsus testudinatus Ng, Huang & Ho, 2000 (Crustacea: Decapoda: Brachyura:
Grapsidae) in Southern Japan. Proceedings of the Biological Society of Washington, 127(2):391-399.
TAKEDA, M. and KURATA, Y. 1977. Crabs of the Ogasawara Islands. IV. A Collection Made at the
New Volcanic Island, Nishino-Shima-Shinto, in 1975. Bulletin of National Science Museum(A) Zoology, 3(2): 91-111.
Ṋ⏣ṇ೔࣭Ṋෆᏹྖ࣭Ⳣ἟ᘯ⾜ 1993㸬ࢽࢩࣀࢩ࣐࣍࢘࢟࢞ࢽࡢ෌Ⓨぢ㸬⮬↛⎔ቃ⛉Ꮫ◊✲㸪6㸸59-64㸬

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南太平洋海域調査研究報告 No.56（2015年3月）
OCCASIONAL PAPERS No.56（March 2015）ᒇஂᓥ࡜✀Ꮚᓥࡢ㨶㢮┦ㄪᰝᑠᯞᆂኴ࣭ྜྷ⏣᭸ᘯ࣭⏣௦㒓ᅜ࣭ᮏᮧᾈஅ

Ichthyofaunal Surveys in Yakushima and Tanegashima Islands
KOEDA Keita, YOSHIDA Tomohiro, TASHIRO Satokuni and MOTOMURA Hiroyuki㮵ඣᓥ኱Ꮫ⥲ྜ◊✲༤≀㤋
Kagoshima University Museumせ᪨2014 ᖺ 9 ᭶ 16 ᪥࠿ࡽ 22 ᪥࡟࠿ࡅ࡚✀Ꮚᓥࠊ2014 ᖺ 12 ᭶ 25 ᪥࠿ࡽ 28 ᪥࡟࠿ࡅ࡚ᒇஂᓥ࡟࠾
࠸࡚₯Ỉࠊ㔮ࡾ࡟ࡼࡿᶆᮏ᥇㞟࡜ᕷሙ࡛ࡢᶆᮏ཰㞟ࢆేࡏࡓ㨶㢮┦ㄪᰝࢆ⾜ࡗࡓࠋࡑࡢ⤖ᯝࠊ✀Ꮚᓥ࠿ࡽ 192 ✀ 429 ಶయࠊᒇஂᓥ࠿ࡽ 54 ✀ 82 ಶయࡀ᥇㞟ࡉࢀࡓࠋࡇࡢ࠺ࡕࠊ✀Ꮚᓥ࠿ࡽ᥇㞟ࡉࢀࡓ࣑࢘ࣄࢦ࢖ᒓࡢ 1 ✀ࡣ᪥ᮏᮍグ㘓✀ࠊᒇஂᓥ࡛᥇㞟ࡉࢀࡓ࢔ࢦ࢔࣐ࢲ࢖ᒓࡢ 1 ✀ࡣࠊ᪤▱ࡢྠᒓ௚✀࡟ࡣྠᐃ࡛ࡁ࡞࠸ࡇ࡜࠿ࡽᮍグ㍕✀㸦᪂✀㸧࡛࠶ࡿ࡜⪃࠼ࡽࢀࡿࠋ

ࡣࡌࡵ࡟㮵ඣᓥ኱Ꮫ⥲ྜ◊✲༤≀㤋ࡀ୺ᑟࡍࡿ㏆ᖺࡢ⌰⌫ิᓥ࡟࠾ࡅࡿ㨶㢮Ꮫ⾡ㄪᰝ࡟ࡼࡗ࡚ࠊྠ࿘㎶ᾏᇦࡢ㨶㢮ከᵝᛶ࡜㨶㢮┦ࡢ≉ᚩࡀゎ᫂ࡉࢀࡘࡘ࠶ࡿࠋ༡໭࡟㛗࠸⌰⌫ิᓥ࡛ࡣᙉ኱࡞㯮₻࡜ࡑࢀࢆྲྀࡾᕳࡃ」㞧࡞ᾏὶࡀᓥᕋࡈ࡜࡟ᅛ᭷ࡢ㨶㢮┦ࢆ๰ࡾࡔࡋ࡚࠸ࡿࡇ࡜ࡀศ࠿ࡗ࡚ࡁࡓࠋࡇࢀࡲ࡛ᾏỈ㨶࡟࠾ࡅࡿ⏕≀ᆅ⌮ቃ⏺⥺ࡣࠊῐỈ㨶ࡸከࡃࡢ㝣ୖ⏕≀࡜ྠᵝ࡟ࢺ࢝ࣛิᓥ࡟఩⨨ࡍࡿ࡜⪃࠼ࡽࢀ࡚࠸ࡓࡀࠊ᭱㏆ࡢㄪᰝࡢ⤖ᯝ࠿ࡽࠊྠቃ⏺⥺ࡣᒇஂᓥ࡜◲㯤ᓥ㸩➉ᓥ㸩✀Ꮚᓥࡢ㛫࡟఩⨨ࡍࡿྍ⬟ᛶࡀ㧗࠸ࡇ࡜ࡀ᫂ࡽ࠿࡟࡞ࡗࡓ㸦ᮏᮧ 2013, 2014, 2015㸧ࠋ኱㝮ㅖᓥෆ࡟఩⨨ࡍࡿቃ⏺⥺ࡢᏑᅾ࡜఩⨨ࢆ᫂ࡽ࠿࡟ࡍࡿࡓࡵ࡟ࠊ௒ᅇࡣᒇஂᓥ࡜✀Ꮚᓥ࡟࠾ࡅࡿ㨶㢮ࡢ㏣ຍㄪᰝࢆ
⾜ࡗࡓࠋ

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KOEDA Keita, YOSHIDA Tomohiro, TASHIRO Satokuni and MOTOMURA Hiroyuki᪉ἲ2014 ᖺ 9 ᭶ 16 ᪥࠿ࡽ 22 ᪥࡟࠿ࡅ࡚✀Ꮚᓥࠊ2014 ᖺ 12 ᭶ 25 ᪥࠿ࡽ 28 ᪥࡟࠿ࡅ࡚
ᒇஂᓥ࡟࠾࠸࡚ࡑࢀࡒࢀࡢᓥࡢ㨶㢮┦ㄪᰝࢆ⾜ࡗࡓࠋᒇஂᓥ࡛ࡣ₯Ỉㄪᰝࡢࡳࢆ⾜࠸ࠊ✀Ꮚᓥ࡛㔮⋓ࡋࡓಶయࡸᕷሙ࡛㉎ධࡋࡓಶయࡶేࡏ࡚ᶆᮏ࡜ࡋࡓࠋ
✀Ꮚᓥ࡛ࡣࠊࡇࢀࡲ࡛࡟㨶㢮┦ࢆ㔜Ⅼⓗ࡟ㄪᰝࡋ࡚ࡁࡓᓥࡢ໭㒊ࡔࡅ࡛࡞ࡃࠊᓥࡢ
୰㒊㸦୰✀Ꮚ⏫∾ᕝ⁺ Ἀ 30‫މ‬1ࠊ‫(މ‬㸧࡜༡㒊㸦༡✀Ꮚ⏫➉ᓮ⁺ Ἀ 30‫މ‬1ࠊ‫(މ‬㸧ࢆ᪂ࡓ࡞ㄪᰝᆅⅬ࡜ࡋ࡚㑅ᐃࡋࠊࡇࢀࡽࡢᆅⅬ࡟࠾࠸࡚㨶㢮ࡢ᥇㞟ࢆ࠾ࡇ࡞ࡗࡓࠋࡇࢀࡣ␗࡞ࡿ⎔ቃ࡛᥇㞟ࡍࡿࡇ࡜࡛ࠊࡼࡾከᵝ࡞✀ࢆᚓࡿࡓࡵ࡛࠶ࡿࠋᕷሙ
ㄪᰝ࡟࠾࠸࡚ࡶࠊ୰✀Ꮚ⏫ࡢ⇃㔝⁺ 㸦30‫މ‬1ࠊ‫(މ‬㸧ࡸ༡✀Ꮚ⏫ࡢᓥ㛫 㸦30‫މ‬1ࠊ‫(މ‬㸧࡞࡝୰༡㒊ࡢ⁺࡟✚ᴟⓗ࡟㊊ࢆ㐠ࡧࠊ㨶ࢆ཰㞟ࡋࡓࠋᒇஂᓥ࡛ࡣࠊᓥࡢ໭す࡟఩⨨ࡍࡿ 2 ࣧᡤࢆㄪᰝᆅⅬ࡜ࡋ࡚㑅ᐃࡋࠊࢫࢡ࣮ࣂ࡟ࡼࡗ࡚㨶㢮ࡢ᥇㞟ࢆ࠾ࡇ࡞ࡗࡓࠋ₯Ỉㄪᰝ࡟ࡼࡗ࡚ᚓࡓಶయࢆ࢚࢔࣮ࣞࢩ࡛ࣙࣥ⏕࠿ࡋࡓࡲࡲࠊᕷሙㄪᰝ࠾ࡼࡧ㔮ࡾ࡟ࡼࡗ࡚ᚓࡓಶయࢆࢡ࣮࣮ࣛ࣎ࢵࢡࢫ࡛ị෭ࡋ࡚ᐟ࡟ᣢࡕᖐࡾࠊᶆᮏⓏ㘓ࠊ✀ྠᐃࠊ
DNA ⏝➽⫗ษ∦ࡢ᥇ྲྀࠊᅛᐃ࡜࠸ࡗࡓసᴗ࡟ຍ࠼ࠊᒎ㫅࡜ᶆᮏ෗┿ࡢ᧜ᙳࢆ㐺ᐅ࠾ࡇ࡞ࡗࡓࠋ࡞࠾ࠊ⌧ᆅ࡛ࡢᶆᮏฎ⌮ࡸ෗┿ࡢ᧜ᙳࡀ୙ྍ⬟࡞࡯࡝኱ᆺࡢಶయ࡟㛵ࡋ࡚ࡣࠊ
኱Ꮫ࡟ᦙ㏦ࡋࡓᚋ࡟ྠᵝࡢฎ⌮ࢆ࠾ࡇ࡞ࡗࡓࠋ

⤖ᯝ✀Ꮚᓥࡢ୰㒊࠾ࡼࡧ༡㒊࡟࠾ࡅࡿ 5 ᪥㛫ࡢ₯Ỉㄪᰝ࡟ࡼࡾ 97 ✀ 211 ಶయࡢᶆᮏࢆ
᥇㞟ࡍࡿࡇ࡜ࡀ࡛ࡁࡓࠋࡇࡢ࠺ࡕࠊࣇࢳࢻࣜࢱࢼࣂࢱ࢘࢜ Acanthoplesiops psilogasterࠊ࢝ࢡࣞࢸࣥࢪࢡࢲ࢖ Apogonichthyoides timorensisࠊࢶ࣐ࢢࣟࣁࢱ࣏ࣥ Pempheris japonicaࠊ࣍ࢯ࢘ࣂ࢘࢜ Pherallodus indicusࠊ࢔ࣛ࢖ࢯࢥࢣࢠ࣏ࣥ Neoclinus okazakiiࠊ࢔࢜ࢧࣁࢠ
Brachaluteres ulvarumࠊ࢖ࢺࣄࢤࣔࢪࣕࣁࢮ Barbuligobius boehlkeiࠊࣜࣗ࢘࢟ࣗ࢘࢖ࢱ
ࢳ࢘࢜ Alionematichthys riukiuensisࠊࢶ࣐ࢪࣟࣔࣥ࢞ࣛ Sufflamen chrysopterum ࡞࡝ࠊࡇࢀࡲ࡛ᓥ໭㒊࡛ࡣ᥇㞟ࡉࢀ࡚ࡇ࡞࠿ࡗࡓ✀ࢆᩘከࡃᚓࡿࡇ࡜ࡀ࡛ࡁࡓࠋࡲࡓࠊ」ᩘ
ᅇ࠾ࡇ࡞ࡗࡓᓥ໭㒊࡟࠾ࡅࡿ₯Ỉㄪᰝ࡛ࡶࠊࡇࢀࡲ࡛࡟᥇㞟ࡉࢀ࡚࠸࡞࠿ࡗࡓ࣒ࣛࢧ
࣓ࣔࣥ࢞ࣛ Rhinecanthus aculeatus ࡸࢡࣛ࢝ࢣࣔࣥ࢞ࣛ Rhinecanthus verrucosus ࡜࠸ࡗࡓ✀ࡶᚓࡽࢀࡓࠋ
㔮ࡾ࡟ࡼࡿ᥇㞟࡛ࡣࠊ23 ✀ 65 ಶయࡀ᥇㞟ࡉࢀࠊࡇࡢ࠺ࡕࢢࣝࢡ࣐ Rastrelliger
kanagurta ࡣศᕸࡢ໭㝈ࢆ᭦᪂ࡍࡿᶆᮏ࡜࡞ࡗࡓࠋ
ᕷሙ࡟࠾ࡅࡿㄪᰝ࡛ࡣࠊ࢘ࢳ࣡ࢨ࣓ Platyrhina sinensisࠊ࢜࢔࣒࢝ࣟ Decapterus tablࠊ࣐ࢲࣛࣁࢼࢲ࢖ Holanthias borboniusࠊ࣍ࢩࢦࣥ࣋ Paracirrhites forsteriࠊࣄ࣓ࢲ࢖
Pristipomoides sieboldiiࠊ࢔࢜ࢲ࢖ Paracaesio caeruleaࠊ࢜ࢽࣄࣛ࢔ࢪ Caranx papuensis࡞࡝ࠊࡇࢀࡲ࡛໭㒊ࡢすஅ⾲㨶㢮ᕷሙ࡛ࡣࡳࡽࢀ࡞࠿ࡗࡓ✀ࢆ཰㞟ࡍࡿࡇ࡜ࡀ࡛ࡁࡓࠋ

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Ichthyofaunal Surveys in Yakushima and Tanegashima Islands࡞࠿࡛ࡶࠊ2 ಶయࡀᚓࡽࢀࡓ࣑࢘ࣄࢦ࢖ᒓࡢ 1 ✀ࡣࠊ᪥ᮏᮍグ㘓✀࡛࠶ࡿ࡜࡜ࡶ࡟ࠊ
ศᕸࡢ໭㝈ࢆ᭦᪂ࡍࡿࡇ࡜ࡀ᫂ࡽ࠿࡟࡞ࡗࡓࠋᮏ✀ࡣࠊࡇࢀࡲ࡛ࢫ࣐ࢺࣛᓥࠊࢫࣛ࢘
࢙ࢩᓥࠊࣝࢯࣥᓥ࡛ࡣᶆᮏࡢ᥇㞟౛ࡀ࠶ࡿࡶࡢࡢࠊ࠸ࡎࢀࡶಶయᩘࡀᑡ࡞࠸ࠋࡼࡾ
༡᪉࡟఩⨨ࡍࡿ⌰⌫ิᓥࡢᓥᕋ⩌࠿ࡽグ㘓ࡢ࡞࠸ᮏ✀ࡀࠊ✀Ꮚᓥ࡟࠾࠸࡚᥇㞟ࡉࢀࡓࡇ࡜ࡣࠊᮏㄪᰝ࡟࠾ࡅࡿ≉➹ࡍ࡭ࡁ⤖ᯝ࡛࠶ࡿ࡜࠸࠼ࡿࠋ
ᒇஂᓥ࡛ࡣ 3 ᪥㛫ࡢࢫࢡ࣮ࣂࢆ⏝࠸ࡓ᥇㞟࡟ࡼࡾ 54 ✀ 82 ಶయࡢᶆᮏࢆᚓࡿࡇ࡜ࡀ
ฟ᮶ࡓࠋࡇࢀࡲ࡛ MOTOMURA et al.㸦2010㸧ࡣᶆᮏ࡜Ỉ୰෗┿࡟ᇶ࡙ࡁ 958 ✀ࢆሗ࿌ࡋࠊ
ࡑࡢᚋ MOTOMURA and AIZAWA㸦2011㸧࡞࡝ࠊ」ᩘࡢሗ࿌ࡀ┦ḟࡂࠊ⌧ᅾࡲ࡛࡟ᒇஂᓥ
࠿ࡽ࠾ࡼࡑ 1,000 ✀ࡢ㨶㢮ࡢศᕸࡀ☜ㄆࡉࢀ࡚࠸ࡿࠋ௒ᅇࡢㄪᰝ࡛᥇㞟ࡉࢀࡓᶆᮏࡢ
࠺ࡕࠊ࢔ࢦ࢔࣐ࢲ࢖⛉࢔ࢦ࢔࣐ࢲ࢖ᒓࡢ 1 ✀㸦ᅗ 1㸧ࡣࠊ⫼㫅 11 Ჲ 14 ㌾᮲ࠊ⮌㫅 2
Ჲ 14 ㌾᮲ࠊ⦪ิ㫣 63㹼68 ᯛࠊ⬚㫅 18㹼19 ㌾᮲ࠊ㢌㒊⫼㠃ࡢ࡯ࡰ඲ᇦ࡟ᚤᑠ࡞Ꮝჾิ
ࡀከᩘᩓᅾࡋ࡚࠸ࡿࡇ࡜ࠊ࠾ࡼࡧయഃࡀ㯤Ⰽ࠿ࡽ〓Ⰽ࡛యഃ୰ኸ࡟ኴ࠸㯮Ⰽᖏࡀධࡿ
ࡇ࡜࡞࡝ࡢ≉ᚩࡢ⤌ࡳྜࢃࡏࡀࠊ᪤▱✀࡜␗࡞ࡿࡇ࡜࠿ࡽᮍグ㍕✀࡛࠶ࡿྍ⬟ᛶࡀ㧗࠸ࠋྠ✀࡜ᛮࢃࢀࡿᶆᮏࡀ✀Ꮚᓥᾆ⏣Ἀ࠿ࡽࡶ᥇㞟ࡉࢀ࡚࠾ࡾ⌧ᅾ◊✲ࡀ㐍ࡵࡽࢀ࡚࠸ࡿࠋ

ᅗ 1 ᒇஂᓥ࠿ࡽ᥇㞟ࡉࢀࡓ࢔ࢦ࢔࣐ࢲ࢖⛉࢔ࢦ࢔࣐ࢲ࢖ᒓࡢ 1 ✀44
KOEDA Keita, YOSHIDA Tomohiro, TASHIRO Satokuni and MOTOMURA Hiroyukiࢸࣥࢪࢡࢲ࢖⛉ࡢ࢘ࢫࢪ࣐࢖ࢩࣔࢳ Ostorhinchus angustatus ࡜࣑ࣖࢸࣥࢪࢡࢲ࢖
Apogon semiornatusࠊ࣋ࣛ⛉ࡢࢶ࢟ࣀ࣡࢖ࢺࣄ࢟࣋ࣛ Cirrhilabrus lunatus ࡜࢜ࣁࢢࣟ࣋
ࣛᒓࡢ 1 ✀ Pteragogus enneacanthus ࡣࠊࡇࢀࡲ࡛Ỉ୰෗┿ࡢࡳグ㘓ࡉࢀ࡚࠾ࡾᶆᮏ࡟
ᇶ࡙ࡃึグ㘓࡜࡞ࡗࡓࠋࣚ࢘ࢪ࢘࢜⛉ࣄ࣓ࢺࢤ࣑࢘ࣖࢵࢥ Halicampus spinirostris ࡣࠊᯇ἟ࡽ㸦2013㸧࡟ࡼࡗ࡚ึࡵ࡚᪥ᮏ࠿ࡽグ㘓ࡉࢀࡓ⛥✀࡛࠶ࡿࠋ᪥ᮏ࠿ࡽࡣࠊࡇࢀࡲ
࡛࡟៞␃ၥᓥ࡜୚ㄽᓥ࠿ࡽࡑࢀࡒࢀ 1 ಶయࡎࡘᮍᡂ㨶ࡀ᥇㞟ࡉࢀ࡚࠸ࡿࡢࡳ࡛࠶ࡾࠊ
ᒇஂᓥ⏘ࡢᶆᮏࡣᮏ✀ࡢ໭㝈グ㘓࡛࠶ࡿ࡜࡜ࡶ࡟ 3 ౛┠ࡢグ㘓࡜࡞ࡗࡓࠋࡉࡽ࡟ࠊ
ᮏㄪᰝ࡛᥇㞟ࡉࢀࡓᶆᮏࡣࠊ
ᶆ‽య㛗 119.6 mm ࡜ࡇࢀࡲ࡛ࡢ 2 ౛࡜ẚ㍑ࡋ࡚኱ࡁࡃࠊ
㢌㒊ࡢᲲࡀࡼࡃⓎ㐩ࡋ࡚࠸ࡿࡇ࡜࠿ࡽᡂ㨶࡛࠶ࡿ࡜ุ᩿࡛ࡁࡓࠋࢸࣥࢪࢡࢲ࢖⛉ࢡࢲࣜ࣎࢘ࢬࢠࢫࣔࢻ࢟ Pseudamiops gracilicauda ࡣࠊࡇࢀࡲ࡛዆⨾኱ᓥ௨༡࠿ࡽᶆᮏࡀ
ᚓࡽࢀ࡚࠸ࡓࡀࠊᮏㄪᰝ࡛ᚓࡽࢀࡓ 1 ಶయ࡟ࡼࡗ࡚ࠊᚑ᮶ࡢሗ࿌ࡼࡾ໭㝈ࢆ᭦᪂ࡍࡿ
ࡇ࡜࡜࡞ࡗࡓࠋ
௨ୖࡢࡼ࠺࡟ࠊ✀Ꮚᓥࠊᒇஂᓥ࡛ࡢ₯Ỉసᴗࢆక࠺ᶆᮏ᥇㞟࡟ࡼࡾࠊࡇࢀࡲ࡛୧ᓥ
࡛᥇㞟ࡉࢀ࡚ࡇ࡞࠿ࡗࡓ㨶✀ࡀᩘከࡃ᥇㞟ࡉࢀࡓࡇ࡜࡟ຍ࠼ࠊᮍグ㍕✀ࡸ᪥ᮏᮍグ㘓ࡢ✀ࢆ᥇㞟ࡍࡿࡇ࡜ࡀฟ᮶ࡓࠋᘬ⏝ᩥ⊩ᯇ἟⍞ᶞ࣭℩⬟ ᏹ࣭ᮏᮧᾈஅ 2013㸬⌰⌫ิᓥ࠿ࡽᚓࡽࢀࡓ᪥ᮏึグ㘓ࡢࣚ࢘ࢪ࢘
࢜⛉ࣄ࣓ࢺࢤ࣑࢘ࣖࢵࢥ㸦᪂⛠㸧Halicampus spinirostris㸬㨶㢮Ꮫ㞧ㄅ㸪60㸸157-161㸬ᮏᮧᾈஅ 2013㸬ᒇஂᓥࡢ㨶㢮┦ࡢㅦ㸬ᝆஂࡢ᫬ࢆ้ࡴᒇஂᓥ㸬᭶หࢲ࢖ࣂ࣮㸪391㸸
128-134㸬
ᮏᮧᾈஅ 2014㸬㮵ඣᓥࡢ㨶㢮㸬࠿ࡈࡋࡲ᥈ゼ➨ 19 ᅇ㸬㮵኱ࢪ࣮ࣕࢼࣝ㸪195㸸19㸬
ᮏᮧᾈஅ 2015㸬⌰⌫ิᓥࡢ㨶㢮ከᵝᛶ㸬༡すㅖᓥࡢ㨶㢮ከᵝᛶ㸪ࡑࡢᡂ❧࡜ಖ඲㸬࢚ࢥࣟࢪ࣮ㅮᗙ 8㸦᪥ᮏ⏕ែᏛ఍⦅㸧㸪༡᪉᪂♫㸪㮵ඣᓥ㸦༳ๅ୰㸧㸬
MOTOMURA, H. and AIZAWA, M. 2011. Illustrated List of Additions to the Ichthyofauna of
Yaku-Shima Island, Kagoshima Prefecture, Southern Japan: 50 New Records from theIsland. Check List, 7: 448-457.
MOTOMURA, H., KURIIWA, K., KATAYAMA, E., SENOU, H., OGIHARA, G., MEGURO, M.,
MATSUNUMA, M., TAKATA, Y., YOSHIDA, T., YAMASHITA, M., KIMURA, S., ENDO, H.,
MURASE, A., IWATSUKI, Y., SAKURAI, Y., HARAZAKI, S., HIDAKA, K., IZUMI, H. and
MATSUURA, K. 2010. Annotated Checklist of Marine and Estuarine Fishes ofYaku-Shima Island, Kagoshima, Southern Japan. In: Fishes of Yaku-Shima Island – A
World Heritage Island in the Osumi Group, Kagoshima Prefecture, Southern Japan(Eds. MOTOMURA, H. and MATSUURA, K.), 65-248, National Museum of Nature andScience, Tokyo.

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南太平洋海域調査研究報告 No.56（2015年3月）
OCCASIONAL PAPERS No.56（March 2015）

ᒇஂᓥ⁺༠࡟࠾ࡅࡿࣚࢥ࣡᭥ࡁ⦖㔮ࡾ࡬ࡢྲྀࡾ⤌ࡳࡢ⤒⦋࡜ㄢ㢟㫽ᒃாྖThe Present Conditions and Problems of the Trolling Linein the Yakushima Fisheries Cooperative Association
TORII Takashi㮵ඣᓥ኱ᏛỈ⏘Ꮫ㒊
Faculty of Fisheries, Kagoshima University

せ᪨2014 ᖺᗘࡢㄪᰝ஦ᴗ࡛ࡣࠊᒇஂᓥ࡟࠾ࡅࡿࣚࢥ࣡᭥ࡁ⦖㔮ࡾ⁺ᴗ࡬ࡢྲྀࡾ⤌ࡳࡢᡂᯝ࡜ㄢ㢟࡟ࡘ࠸࡚ศᯒࡋࡓࠋ2012 ᖺ࡟ A ♫࡜ B ♫ࡼࡾࠊࣚࢥ࣡᥇ᤕࡢྲྀࡾ⤌ࡳ౫㢗ࡀ⁺༠࡟ᐤࡏࡽࢀࡓࠋ
ᒇஂᓥ࡛ࡣࣚࢥ࣡ࡢ᥇ᤕᐇ⦼ࡀ࠶ࡗࡓࡇ࡜࠿ࡽࠊ⁺༠࡛ࡣ⁺ᴗ⪅࡟ᑐࡋ࡚チྍࢆྲྀᚓࡍࡿࡼ࠺࡟
ಁࡋࡓ⤖ᯝࠊ53 㞘ࡀࣚࢥ࣡᥇ᤕチྍࢆྲྀᚓࡋࡓࠋ2 ♫࠿ࡽࡣࠊィ 5,000 ᑿࡢ࣮࢜ࢲ࣮ࡀධࡗ࡚
࠾ࡾࠊ1,750 ୓෇࡯࡝ࡢ⤒῭ຠᯝࡀぢ㎸ࡲࢀࡿࠋࣚࢥ࣡ࡢ᥇ᤕ᫬ᮇࡣࠊ℩≀୍ᮏ㔮ࡾࡢ㛩ᩓᮇ࡟┦ᙜࡍࡿࡇ࡜࠿ࡽࠊ⁺ᴗ⪅ࡢᮇᚅࡣ㧗ࡲࡗࡓࠋࡋ࠿ࡋ࡞ࡀࡽࠊ2014 ᖺࡣ⁺⋓ᐇ⦼ࢆᚓࡿࡇ࡜ࡣ
ฟ᮶࡞࠿ࡗࡓࠋWCPFC ࡛ࡶᣦ᦬ࡉࢀ࡚࠸ࡿࡼ࠺࡟ࠊኴᖹὒࡢࢡ࣐ࣟࢢࣟ㈨※ࡣ኱ࡁࡃῶᑡࡋ࡚
࠸ࡿࠋ࠿ࡘ࡚ࣚࢥ࣡ࢆᏳᐃ᥇ᤕ࡛ࡁࡓ㮵ඣᓥ┴㏆ᾏ࡟࠾࠸࡚ࡶࠊ୙⁺ࡀ⥆࠸࡚࠸ࡿࠋࣚࢥ࣡ࢆ
ᑐ㇟࡜ࡋࡓ᭥ࡁ⦖㔮ࡾ⁺ᴗࡀࠊᒇஂᓥࡢ⁺ᴗ⤒ႠࢆᏳᐃ໬ࡍࡿྍ⬟ᛶࡣࠊ⌧ᅾࡢ࡜ࡇࢁ኱ࡁࡃࡣ
࡞࠸࡜ุ᩿ࡏࡊࡿࢆᚓ࡞࠸ࡔࢁ࠺ࠋ

ㄪᰝࡢ┠ⓗ㏆ᖺࠊࢡ࣐ࣟࢢࣟࡢ㣴Ṫ࡟⏝࠸ࡽࢀࡿኳ↛✀ⱑ࡟࠿࠿ࡿつไᙉ໬ࠊࣚࢥ࣡᭥ࡁ⦖
㔮ࡾࡢ୙⁺࡟ࡼࡗ࡚ࠊ㣴Ṫ✀ⱑࡢ☜ಖࡀ୙Ᏻᐃ໬ࡋ࡚࠸ࡿࠋࡇ࠺ࡋࡓ࡞࠿ࠊ㣴Ṫᴗ⪅ࡢ࡞࠿࡟ࡣ✀ⱑ☜ಖࡢ⠊ᅖࢆᗈࡆࡓࡾࠊྲྀᘬ㛵ಀࢆᙉ໬ࡋࡓࡾࡍࡿࡇ࡜࡟ࡼࡗ࡚✀ⱑࡢᏳᐃ☜ಖࢆ┠ᣦࡍࢣ࣮ࢫࡀࡳࡽࢀࡿࡼ࠺࡟࡞ࡗࡓࠋ୍᪉ࠊ࿘㎶ᾏᇦ࡟࠾࠸࡚ࣚࢥ࣡ࡢ᥇ᤕࡀぢ㎸ࡵࡿᆅᇦ࡛ࡣࠊ2014 ᖺ 4 ᭶࠿ࡽࡢࣚࢥ࣡᭥ࡁ⦖㔮ࡾࡢ⮬⏤⁺ᴗ࠿ࡽᢎㄆ46
TORII Takashiไ࡬ࡢ⛣⾜࡟ྜࢃࡏ࡚ࠊ᥇ᤕチྍࢆ᪂つྲྀᚓࡋࠊᆅᇦࡢ⁺ᴗ᣺⯆ࢆ┠ᣦࡍࢣ࣮ࢫࡶᩓぢࡉࢀࡿࠋ
2014 ᖺᗘࡢㄪᰝ஦ᴗ࡛ࡣࠊ㮵ඣᓥ┴ᒇஂᓥ⁺༠ࢆ஦౛࡟ࠊࣚࢥ࣡᭥ࡁ⦖㔮ࡾ⁺ᴗ࡬ࡢྲྀࡾ⤌ࡳࡢ⤒⦋ࠊ࠾ࡼࡧࠊᡂᯝ࡜ㄢ㢟࡟ࡘ࠸࡚ศᯒࡋࡓࠋ

ᒇஂᓥ࡟࠾ࡅࡿࣚࢥ࣡᭥ࡁ⦖㔮ࡾ⁺ᴗ࡬ࡢྲྀࡾ⤌ࡳ⤒⦋⁺ᴗ⤒Ⴀࡀ࠾ࡋ࡞࡭࡚పㄪ࡟᥎⛣ࡍࡿ࡞࠿ࠊ2012 ᖺ࡟ A ♫࡜ B ♫ࡼࡾࠊࣚࢥ࣡
᥇ᤕࡢྲྀࡾ⤌ࡳ౫㢗ࡀ⁺༠࡟ᐤࡏࡽࢀࡓࠋ
ᒇஂᓥ㏆ᾏ࡛ࡣࠊ௨๓ࡼࡾ 1kg ๓ᚋࡢࣚࢥ࣡ࡀ⁺⋓ࡉࢀࡿᐇ⦼ࡀ࠶ࡗࡓࠋ୍‖ᆅ༊࡛ࡣࠊ1 ᭶࠿ࡽ 3 ᭶࡟࠿ࡅ࡚࣐ࣝࢯ࢘ࢲ⁺ࡀ⾜ࢃࢀ࡚࠸ࡓࡀࠊࡑࡢ㝿࡟ࣚࢥ࣡ࡢΰ⋓ࡀ࠶ࡗࡓࡇ࡜࠿ࡽࠊ⁺༠ࡣᒇஂᓥ㏆ᾏ࡛ࡶࣚࢥ࣡ࡢ᥇ᤕࡀྍ⬟࡛࠶ࡿ࡜ุ᩿ࡋࡓࠋ
᭥ࡁ⦖㔮ࡾ࡟ࡼࡿࣚࢥ࣡᥇ᤕࡣ 2014 ᖺ 4 ᭶ࡼࡾᢎㄆไ࡜࡞ࡿࡇ࡜࠿ࡽࠊ⁺༠࡛ࡣ⁺ᴗ⪅࡟ᑐࡋ࡚チྍࢆྲྀᚓࡍࡿࡼ࠺࡟ಁࡋࡓ⤖ᯝࠊ53 㞘ࡀࣚࢥ࣡᥇ᤕࡢチྍࢆྲྀᚓࡋࡓࠋィ⏬
ࣔࢪࣕࢥ⁺ࡢ⤊஢ᚋࠊ6 ᭶࠿ࡽ 7 ᭶࡟࠿ࡅ࡚ࣚࢥ࣡ࢆ᥇ᤕࠊ୍‖ࡢධࡾཱྀ௜㏆㸦Ỉ῝ 5m㸧࡟タ⨨ࡍࡿ㥆⮴࢖ࢣࢫ࡟ 5 ᪥࠿ࡽ 1 㐌㛫࡯࡝⨨ࡁࠊά㨶⯪࡛㐠ᦙࡍࡿィ⏬࡛࠶ࡗࡓࠋࣚࢥ࣡ࡢᅇ㐟ࡍࡿᾏᇦࡀ᫂☜࡟࡞ࡗ࡚࠸࡞࠸ࡓࡵࠊ㞳ᓥ⁺ᴗ෌⏕஺௜㔠ࡢ࠺ࡕ 150 ୓෇ࢆࡇࡢྲྀࡾ⤌ࡳ࡟ά⏝ࡋ࡚⁺ሙࢆ᥈⣴ࡍࡿࠋ᥇ᤕࡋࡓࣚࢥ࣡ࡣࠊ
A ♫࡜ B ♫ࡀ 1 ᑿ࠶ࡓࡾ 3,500 ෇࡛㈙࠸ྲྀࡿࡇ࡜࡜࡞ࡗࡓࠋ

ྲྀࡾ⤌ࡳ
2014 ᖺ 5 ᭶ึ᪪ࠊ10 ྡ࡯࡝ࡢ⁺ᴗ⪅ࡀ A ♫࡟࠾࠸࡚ᢏ⾡◊ಟࢆᐇ᪋ࡋࡓࠋ࣐ࣝࢯ
࢘ࢲ⁺࡜ఝࡓ⁺ἲ࡛࠶ࡾࠊ⁺⋓࡬ࡢᮇᚅࡀ㧗ࡲࡗࡓࡇ࡜࠿ࡽࠊ㥆⮴⏝ࡢ࢖ࢣࢫࠊ₯⯟ᯈ࡞࡝ࡢ⁺ලࡢ‽ഛࢆᛴ࠸ࡔࠋ
ࡑࡢᚋࠊ4 㞘࠿ࡽ 5 㞘ࡢ⁺⯪ࡀࣚࢥ࣡㈨※ࡢ᥈ᰝࢆᐇ᪋ࡋࡓࠋᒇஂᓥࡢ⁺ᴗ⪅ࡣࠊ
6 ᭶ᮎ࠿ࡽ 7 ᭶ᮎ࡟࠿ࡅ࡚ࣚࢥ࣡㔮ࡾࢆࡋࡓࡇ࡜ࡣ࡞࠿ࡗࡓࡶࡢࡢࠊ㯮₻໭㝈ࡢቃ⏺
࠶ࡓࡾ࡟ࣚࢥ࣡ࡀᅇ㐟ࡍࡿࡇ࡜ࢆ⤒㦂࠿ࡽᏛࢇ࡛࠸ࡓࡇ࡜ࡶ࠶ࡾࠊ୍‖ᆅ༊ࡢ⁺ᴗ⪅ࡣ㯮₻ࡢ໭㝈ࠊᏳᡣᆅ༊ࡢ⁺ᴗ⪅ࡣ㯮₻ࡢෆഃࢆ≺ࡗ࡚ࣚࢥ࣡ࢆ᥈ᰝࡋࡓࠋ
ࡋ࠿ࡋ࡞ࡀࡽࠊ2014 ᖺࡣ⁺⋓ᐇ⦼ࢆᚓࡿࡇ࡜ࡣฟ᮶࡞࠿ࡗࡓࠋࣚࢥ࣡᥇ᤕࢆ┠ⓗ࡟⤌ࢇࡔண⟬ 150 ୓෇ࡶࠊ࡯࡜ࢇ࡝ᾘ໬ࡍࡿࡇ࡜࡞ࡃ⤊ࢃࡗࡓࠋ⁺༠ࡸ⁺ᴗ⪅ࠊA ♫ࡸ
B ♫ࡣ㛗ᮇⓗどⅬ࡛ᮏ஦ᴗࢆᤊ࠼࡚࠾ࡾࠊ௒ᚋࡶྲྀࡾ⤌ࡳࢆ⥅⥆ࡍࡿணᐃ࡛࠶ࡿࠋ
2015 ᖺࡣࣔࢪࣕࢥ⁺ࡀ⤊ࢃࡿ 5 ᭶ࡼࡾࣚࢥ࣡㈨※ࡢ᥈⣴ࢆ㛤ጞࡍࡿࠋ

47
The Present Conditions and Problems of the Trolling Line in the Yakushima Fisheries Cooperative Associationࡲࡓࠊ㮵ඣᓥ┴࡟ᑐࡋ࡚ࠊ୍‖ࡢἈྜᾏᇦ㸦Ỉ῝ 27m ࡯࡝㸧࡟㜵Ἴሐࡢタᐃࢆ౫㢗ࡋ࡚࠸ࡿࠋ⌧ᅾࠊ㥆⮴⏝࢖ࢣࢫࢆ‴ෆ࡟タᐃࡋ࡚࠸ࡿࡀࠊ⏕ά᤼Ỉࡸ㞵Ỉ࡞࡝ࡀὶධࡍࡿࠋࡇࢀࡽࡢᙳ㡪ࢆ࠺ࡅ࡞࠸ᾏᇦ࡟࢖ࢣࢫࢆタᐃࡋࡓ࠸࡜⪃࠼࡚࠸ࡿࡀࠊἼᾉ
ࡢᙳ㡪ࡀᙉࡃࠊ㜵Ἴሐࡢタ⨨ࡀᚲせ࡜࡞ࡿࠋከ㢠ࡢ㈝⏝ࡀᚲせ࡛࠶ࡿ࠺࠼ࠊࢧࣥࢦ♋
ᾏᇦࡀᗈࡀࡗ࡚࠸ࡿࡇ࡜࠿ࡽࠊ㜵Ἴሐタ⨨ࡢぢ㎸ࡳࡣ୙᫂░࡛࠶ࡿࠋᮇᚅࡉࢀࡿᡂᯝ࡜ㄢ㢟A ♫࡜ B ♫࠿ࡽࡣࠊィ 5,000 ᑿࡢ࣮࢜ࢲ࣮ࡀධࡗ࡚࠾ࡾࠊ
ࡑࡢᩘ㔞ࢆ‶ࡓࡋࡓሙྜࠊ
1,750 ୓෇ࡀ 53 ྡࡢ⁺ᴗ⪅࡟ᨭᡶࢃࢀࡿࡇ࡜࡟࡞ࡿࠋ⁺ᴗ⪅ 1 ྡ࠶ࡓࡾ⣙ 33 ୓෇࡟┦ᙜࡍࡿࠋ⇞Ἔ௦࡟ࡘ࠸࡚ࡣ㞳ᓥ⁺ᴗ෌⏕஺௜㔠࡞࡝ࢆά⏝ࡍࡿࡇ࡜࠿ࡽࠊ⁺ᴗ⪅࡟⤒㈝㈇ᢸࡣⓎ⏕ࡋ࡞࠸ࠋࡲࡓࠊࣚࢥ࣡ࡀ᥇ᤕ࡛ࡁࡿ᫬ᮇࡣࠊ℩≀୍ᮏ㔮ࡾࡢ㛩ᩓᮇ࡟┦ᙜࡍࡿࡇ࡜࠿ࡽࠊ⁺ᴗ⪅ࡢࣚࢥ࣡᭥ࡁ⦖㔮ࡾ࡬ࡢᮇᚅࡣ㧗࠸ࠋ
ࡓࡔࡋࠊWCPFC㸦୰す㒊ኴᖹὒࡲࡄࢁ㢮ጤဨ఍㸧࡛ࡶᣦ᦬ࡉࢀ࡚࠸ࡿࡼ࠺࡟ࠊ
ኴᖹὒࡢࢡ࣐ࣟࢢࣟ㈨※ࡣ኱ࡁࡃῶᑡࡋ࡚࠸ࡿࠋ࠿ࡘ࡚ࣚࢥ࣡ࢆᏳᐃⓗ࡟᥇ᤕ࡛ࡁࡓ
⸃ᦶ༙ᓥ࠿ࡽ⏋ᓥิᓥ࡟࠿ࡅ࡚ࡢᾏᇦ࡟࠾࠸࡚ࡶࠊ2012 ᖺ௨㝆ࠊ୙⁺ࡀ⥆࠸࡚࠸ࡿࠋ
ࣚࢥ࣡ࢆᑐ㇟࡜ࡋࡓ᭥ࡁ⦖㔮ࡾ⁺ᴗࡀࠊᒇஂᓥࡢ⁺ᴗ⤒ႠࢆᏳᐃ໬ࡍࡿྍ⬟ᛶࡣࠊ⌧ᅾࡢ࡜ࡇࢁ኱ࡁࡃࡣ࡞࠸࡜ุ᩿ࡏࡊࡿࢆᚓ࡞࠸ࡔࢁ࠺ࠋ

ཧ⪃ᩥ⊩
ᓥ

୍㞝࣭㜝
᳃Ọ

ᩥጾ࣭๓⏣ᫀㄪ࣭ᮌᮧఙ࿃࣭బ఑ᏹᶞ࣭ᱜᮏ࿴⨾࣭ᮎỌⰾ⨾࣭㛗㔝໅࣭ඵᮌಙ⾜࣭ᒣ୰ⱥ᫂⦅

❶࣭

2012㸬᭱᪂Ỉ⏘ࣁࣥࢻࣈࢵࢡ㸪720 㡫㸪ㅮㄯ♫㸪ᮾி㸬➉ෆಇ㑻࣭୰⏣ⱥ᫛࣭࿴⏣᫬ኵ࣭ୖ⏣ᏹ࣭᭷ඖ㈗ᩥ࣭Ώ㒊⤊஬࣭୰๓

᫂⦅

2010㸬

ᨵゞỈ⏘ᾏὒࣁࣥࢻࣈࢵࢡ㸪629 㡫㸪⏕≀◊✲♫㸪ᮾி㸬㫽ᒃாྖ

2014㸬ᅜ⏘㣴Ṫࢡ࣐ࣟࢢ࣭ࣟ⏘ᆅࡈ࡜ࡢ㈨※⟶⌮࡬ࡢᑐᛂ㸬㣴Ṫࣅࢪࢿࢫ㸪

649㸸3-6㸬㫽ᒃாྖ࣭బ㔝㞞᫛

2004㸬ἢᓊ⁺ᴗ࡟࠾ࡅࡿ᪂つཧධࡢ᮲௳࡜ㄢ㢟㸫㮵ඣᓥ┴ᒇஂ

⏫⁺༠࣭ࢺࣅ࣮࢘࢜ࣟࣉ᭥ࡁ⁺ᴗࢆ஦౛࡜ࡋ࡚㸫㸬ᆅᇦ⁺ᴗ◊✲㸪49㸦1㸧
㸸99-115㸬ᒣᮏᑦಇ࣭໭㔝ៅ୍ 2014㸬ᅜෆ࣐ࢢࣟ㣴Ṫᴗ࡟࠾ࡅࡿ኱ᡭ㈨ᮏࡢཧධ࣭⏕⏘ᐇໃ࡜ᕷሙᵓ㐀㸬⁺ᴗ⤒῭◊✲㸪28㸦2㸧
㸸8-9㸬

49
南太平洋海域調査研究報告 No.56（2015年3月）
OCCASIONAL PAPERS No.56（March 2015）ᒇஂᓥ࡜✀Ꮚᓥࡢほග໬ࡢ⌧≧᱓ཎᏘ㞝

Present Situation of Tourism
in Yakushima and Tanegashima Islands
KUWAHARA Sueo㮵ඣᓥ኱ᏛἲᩥᏛ㒊
Faculty of Law, Economics and Humanities, Kagoshima University

せ᪨㮵ඣᓥ┴ࡢ኱㝮ㅖᓥࢆᵓᡂࡍࡿᒇஂᓥ࡜✀Ꮚᓥࡢほගࡢᐇែࡣ࡝࠺࡞ࡗ࡚࠸ࡿࡢࡔࢁ࠺࠿ࠋ
ୡ⏺⮬↛㑇⏘ࡢᒇஂᓥࡢほග᝟ሗࡢࡳࡀ࣐ࢫࢥ࣑ࡸᵝࠎ࡞᝟ሗㄅ࡟ྲྀࡾୖࡆࡽࢀࡓࡾࡋ࡚᝟ሗ࡛
࠶ࡩࢀ࡚࠸ࡿࡀࠊࡶ࠺୍᪉ࡢ✀Ꮚᓥࡢほග࡟ࡘ࠸࡚ࡣ࠶ࡲࡾ▱ࡽࢀ࡚࠸࡞࠸ࠋ
኱㝮ㅖᓥࡢほගࡢ኱ࡁ࡞≉ᚩࡣࠊἈ⦖ࡸఀ㇋ㅖᓥࡢ࠸ࡃࡘ࠿ࡢᓥࠎ࡜㐪ࡗ࡚ࠊ1960 ᖺ௦௨㝆ࡢほගࡢ኱ࡁ࡞≉ᚩ࡛࠶ࡿ┿ࡢព࿡࡛ࡢ࣐ࢫࢶ࣮ࣜࢬ࣒ࢆ⤒㦂ࡋ࡚࠸࡞࠸࡜࠸࠺ࡇ࡜࡛࠶ࢁ࠺ࠋ
࣐ࢫࢶ࣮ࣜࢬ࣒ࡣࠊࡇࢀࡲ࡛᪂ࡓ࡞⏘ᴗ࡜ࡋ࡚ࠊྛᆅ࡛ほග㛤Ⓨࡀ᥎㐍ࡉࢀࡀࠊ1980 ᖺ௦ᚋ༙࡟
࡞ࡿ࡜ࠊ࢜ࣝࢱ࣮ࢼࢸ࢕ࣈ࣭ࢶ࣮ࣜࢬ࣒࡜ࡋ࡚ࢢ࣮࣭ࣜࣥࢶ࣮ࣜࢬ࣒ࡸ࢚ࢥࢶ࣮ࣜࢬ࣒➼ࡢᴫᛕࡀᥦ♧ࡉࢀࠊ᪂ࡓ࡞ほග㛤Ⓨࡢᡓ␎ࡀᥦ㉳ࡉࢀࡿࡼ࠺࡟࡞ࡗࡓࠋ
ᮏ✏࡛ࡣࠊ኱㝮ㅖᓥࡢ✀Ꮚᓥ࡜ᒇஂᓥࡢほග࡟↔Ⅼࢆᙜ࡚ࠊ㮵ඣᓥ┴ᓥᕋࡢほග඲య࡟఩⨨࡙ࡅ࡚ẚ㍑⪃ᐹࡋࠊࡑࡢ≉ᚩࡸ௒ᚋࡢᒎᮃ࡟ࡘ࠸࡚㏙࡭࡚ࡳࡓ࠸ࠋ

ᒇஂᓥࡢほග໬ࡢ⌧≧㮵ඣᓥᕷࡢ༡᪉ 135kmࠊ┴ᮏᅵࡢ༡᪉⣙ 60k㹫ࡢᾏୖ࡟࠶ࡾࠊ࿘ᅖ 132kmࠊ㠃✚⣙ 500 ᖹ᪉࣓࣮࢟ࣟࢺࣝࠊேཱྀࡣ 1970 ᖺ࡟⣙ 1 ୓ 7 ༓ே࡛࠶ࡗࡓࡢࡀ 1990 ᖺ࠿ࡽ⌧ᅾࡲ࡛⣙ 1 ୓ 3 ༓ே㸦2014 ᖺ 8 ᭶⌧ᅾ㸸ᒇஂᓥ⏫ᙺሙ㸧ࢆ⥔ᣢࡋ࡚࠸ࡿࠋ㮵ඣᓥࠊ኱㜰ࠊ⚟ᒸࢆ⤖ࡪ⯟✵౽ࡢ௚࡟ࠊ2 㞘ࡢࣇ࢙࣮ࣜ࡜ 5 㞘ࡢࢪ࢙ࢵࢺࣇ࢛࢖ࣝࡀẖ᪥㐠⯟ࡋ࡚࠸࡚ࠊ஺㏻ࡢ฼౽ᛶࡣᴟࡵ࡚㧗࠸ࠋ

50
KUWAHARA Sueoᒇஂᓥࡢධ㎸ᐈᩘࡣ 1984 ᖺ࠿ࡽ 1988 ᖺࡲ࡛ 11㹼12 ୓ேྎ࡛᥎⛣ࡋࡓࡀࠊ
1989 ᖺࠊ
㧗㏿⯪ࢺࢵࣆ࣮ࡢᑵ⯟࡟ࡼࡾࠊ17 ୓ேྎ࡟ᛴቑࡋࡓࠋ1993 ᖺ 12 ᭶࡟ᒇஂᓥࡀୡ⏺
⮬↛㑇⏘࡟Ⓩ㘓ࡉࢀࡓࡇ࡜࡟ࡼࡾࠊ
⩣ 1994 ᖺ࠿ࡽධ㎸ᐈᩘࡀቑຍࡋࠊ
1995 ᖺ࠿ࡽ 2002ᖺࡲ࡛ࡢ㛫ࡣ 25 ୓࠿ࡽ 28 ୓ேྎ࡛᥎⛣ࡋࠊ2003 ᖺ࡟ึࡵ࡚ 30 ୓ேྎࢆ✺◚ࡋࡓࠋ᪂ࡓ࡟㧗㏿⯪ࣟࢣࢵࢺࡀཧධࡋ➇ྜࡀጞࡲࡿ 2004 ᖺ௨㝆ࠊ30 ୓ேྎࡢ๓༙࡛᥎⛣ࡋࠊ
2007 ᖺ࡟ࡣ㐣ཤ᭱㧗ࡢ 40 ୓ேྎࢆ✺◚ࡋࡓࠋࡑࡢᚋࡣࠊ⌧ᅾࡲ࡛ࠊ30 ୓ேྎ࡛᥎⛣ࡋ࡚࠸ࡿࠋࡉࡽ࡟ࠊ2009 ᖺ࡟ࡣධ㎸ᐈᩘࡀ✀Ꮚᓥࡢධ㎸ᐈᩘࢆึࡵ࡚ୖᅇࡾࠊ⌧ᅾࡲ࡛ᒇஂᓥࡢ᪉ࡀ✀Ꮚᓥࢆୖᅇࡿഴྥࡀ⥆࠸࡚࠸ࡿࠋ✀Ꮚᓥࡣ 2011 ᖺ࡟ 30 ୓ேࢆ๭ࡗࡓࡢ࡟ᑐࡋࠊᒇஂᓥࡣ 30 ୓ேྎࢆ⥔ᣢࡋ࡚࠸ࡿࠋ
௨ୖࡢࡼ࠺࡟ࠊᒇஂᓥࡢධ㎸ᐈᩘࡣ 1980 ᖺ௦๓༙ࡲ࡛ࡣ᭱㧗࡛ࡶ 10 ୓࡟࠶ࡲࡾ࡛
᥎⛣ࡋ࡚࠸ࡓࠋ࡜ࡇࢁࡀࠊ1990 ᖺࢆቃ࡟ᛴ⃭࡞ቑຍࡀࡳࡽࢀࠊ2007 ᖺᗘ࡟ࡣ 40 ୓ேྎ࡟㐩ࡋࡓࠋධ㎸ᐈ࡟ࡣࠊᒇஂᓥࡢఫẸࡢ฼⏝ࡸฟᙇ➼ࡢ௙஦࡟ࡼࡿ᮶ᓥ⪅ࡶྵࡲࢀ࡚࠸ࡿࡀࠊ඲యࡢ 65㹼70㸣ࡣほගᐈ࡜᥎ᐃࡉࢀࡿࡇ࡜࠿ࡽࠊ30 ୓ே㏆ࡃࡢほගᐈࡀᒇஂᓥࢆゼࢀ࡚࠸ࡿࡇ࡜࡟࡞ࡿࠋ࡜ࡃ࡟᭱㏆࡛ࡣࠊ㧗㏿⯪ࡢቑ౽࡞࡝࡛஺㏻࢔ࢡࢭࢫ
ࡀࡼࡃ࡞ࡾࠊ㛵ᮾ࠿ࡽࡢࣃࢵࢡࢶ࢔࣮௻⏬ࡢቑຍ࡞࡝ࡢᙳ㡪ࡀ኱ࡁࡃࠊ࢚ࢥࢶ࢔࣮࢞
࢖ࢻࡸᐟἩ᪋タᩘࡶࡑࢀ࡜ẚ౛ࡋ࡚ከࡃ࡞ࡗ࡚ࡁ࡚࠸ࡿࠋ

✀Ꮚᓥࡢほග໬ࡢ⌧≧✀Ꮚᓥࡣ㮵ඣᓥᕷ࠿ࡽ༡࡟⣙ 115kmࠊ┴ᮏᅵࡢ༡࡟⣙ 40km ࡟఩⨨ࡋࠊ㠃✚⣙ 444 ᖹ᪉࣓࣮࢟ࣟࢺࣝࠊ
࿘ᅖ 186km ࡛ࠊ዆⨾኱ᓥࠊᒇஂᓥ࡟ḟ࠸࡛ 3 ␒┠࡟኱ࡁࡃࠊ
ᅜෆ࡛ࡣ 10 ␒┠࡟኱ࡁ࠸ࠋᶆ㧗ࡣ᭱㧗ᆅⅬ࡛ 282m ࡋ࠿࡞ࡃࠊ1,936m ࡢᒇஂᓥ࡜
ẚ࡭ࡿ࡜ᑐ↷ⓗ࡛࠶ࡿࠋேཱྀࡣ⣙ 3 ୓ 3 ༓ே㸦2014 ᖺ⌧ᅾ㸧࡛ࠊ዆⨾኱ᓥ࡟ḟ࠸࡛
2 ␒┠࡟ከ࠸ࠋ
✀Ꮚᓥࡢධ㎸ᐈᩘࡣࠊ1984 ᖺ㹼1989 ᖺࡲ࡛ࡣ 20 ୓ேྎ࡛᥎⛣ࡋࠊ1990 ᖺ࡟ 30 ୓ேྎ࡟㐩ࡋࡓࠋ≉࡟ 1989 ᖺࡢࢺࢵࣆ࣮ᑵ⯟ࡢຠᯝ࡟ࡼࡾࠊ⯪࡛ࡢධ㎸ᐈᩘࡀ⯟✵ᶵ
ࡢ 2 ಸᙅ࡟ᛴቑࡋࠊ1991 ᖺ࡟ࡣ⯪࡛ࡢධ㎸ᐈᩘࡀ 20 ୓ேࢆ㉸࠼ࠊ⩣ 1992 ᖺ࡟ࡣ
28 ୓ 8 ༓ே࡜ࣆ࣮ࢡ࡟㐩ࡋࡓࠋ୍᪉ࠊ⯟✵ᶵ࡛ࡢධ㎸ᐈࡣ 1986 ᖺ࠿ࡽ 1993 ᖺࡲ࡛
10 ୓ேྎ࡛኱ࡁ࡞ኚ໬ࡣ࡞࠸ࠋᚑࡗ࡚ࠊධ㎸ᐈᩘࡢ኱ᖜ࡞ቑຍศࡣ㧗㏿⯪ࢺࢵࣆ࣮ࡢ
ᑵ⯟࡟ࡼࡿຠᯝ࡛࠶ࡿ࡜ゝ࠼ࡿࠋ
1990 ᖺ㹼2004 ᖺࡲ࡛ࡣධ㎸ᐈᩘࡣ 30 ୓ே㹼33 ୓ேྎ࡛᥎⛣ࡋࠊ2007 ᖺ࡟ࡣ⌧ᅾࡲ࡛࡛᭱㧗ࡢ 45 ୓ேࡢධ㎸ᐈᩘࡀ࠶ࡗࡓࠋࡇࡢᖺࡢほගᐈᩘࡶ 15 ୓ே࡜㐣ཤ᭱㧗ࡢᩘᏐ࡟࡞ࡗ࡚࠸ࡿࠋࡑࡢ⫼ᬒ࡟ࡣࠊ2004 ᖺ 12 ᭶࡟㧗㏿⯪࡟᪂ࡓ࡟ࣟࢣࢵࢺࡀཧධࡋ
ࡓࡇ࡜࡟ࡼࡾࠊࢺࢵࣆ࣮࡜ࣟࢣࢵࢺࡢ 2 ♫㛫࡛౯᱁➇தࡀ㉳ࡇࡾࠊ㐠㈤ࡀᏳࡃ࡞ࡗࡓ
ࡇ࡜ࡀᣲࡆࡽࢀࡿࠋࡋ࠿ࡋࠊ2008 ᖺ࠿ࡽῶᑡ࡟㌿ࡌࠊ2009 ᖺ࠿ࡽࡣ๓ᖺࡲ࡛ࡢ 40 ୓ே࠿ࡽ 30 ୓ே࡜ࠊ୍Ẽ࡟ 10 ୓ே࡯࡝ࡢῶᑡࡀ࠶ࡾࠊ2011 ᖺ௨㝆ࡣ 30 ୓ேࢆ๭ࡗࡓࠋ
2012 ᖺࡢ⤫ィࡣ 27 ୓ 9 ༓ே࡛ࠊほගᐈࡢ᥎ィࡣ 9 ୓ 4 ༓ே࡜࡞ࡗ࡚࠸ࡿࠋ

51
Present Situation of Tourism in Yakushima and Tanegashima Islands⯪ࡢ฼⏝⪅ࡣ 1985 ᖺࡢ⣙ 11 ୓ே࠿ࡽ 1990 ᖺ࠿ࡽ 2000 ᖺࡣ 20㹼24 ୓ே࡛᥎⛣ࡋࠊ
2005 ᖺ࡟ 36 ୓ேྎ࡜ᛴቑࡋࠊ2010 ᖺ࡟ 26 ୓ேྎ࡜ῶᑡࡋ࡚ࡁࡓࠋ᭱ࡶᑡ࡞࠸ࡢࡀ
1986 ᖺࡢ⣙ 10 ୓ேࠊ᭱ࡶከ࠸ࡢࡀ 2007 ᖺࡢ⣙ 41 ୓ே࡛࠶ࡿࠋ
୍᪉ࠊ⯟✵ᶵࡣࠊ1985 ᖺ࡟ 9 ୓ 6 ༓ேࡔࡗࡓࡢࡀࠊ2000 ᖺ࡟ 7 ୓ 2 ༓ேࠊ2010 ᖺ
࡟ࡣ 4 ୓ேᙅ࡜኱ᖜ࡟ῶᑡࡋࡓࠋࡇࡢ㛫ࠊ᭱ࡶᑡ࡞࠸ࡢࡀ 2011 ᖺࡢ 3 ୓ 5 ༓ே࡛ࠊ᭱ࡶከ࠿ࡗࡓࡢࡀ 1991 ᖺࡢ 11 ୓ேࡔࡗࡓࠋ⯪ࡢ฼⏝⪅ࡢቑຍ࡜⯟✵ᶵࡢ฼⏝ᐈࡢῶᑡࡣ㧗㏿⯪㸦ࢺࢵࣆ࣮࡜ࣟࢣࢵࢺ㸧ࡢᑵ⯟࡟ࡼࡿᙳ㡪ࡀ኱ࡁ࠸࡜ᛮࢃࢀࡿࠋ

✀Ꮚᓥ࡜ᒇஂᓥࡢほග໬ࡢẚ㍑✀Ꮚᓥ࡜ᒇஂᓥࡢほගࡣ࠶ࡽࡺࡿ㠃࡛ᴟࡵ࡚ᑐ↷ⓗ࡛࠶ࡿࠋ୧⪅ࡢ㛫࡟ࡣࠕ⮬↛ࠖᑐࠕᩥ໬ࠖࡢ஧㡯ᑐ❧ⓗ㛵ಀࡀ㝶ᡤ࡟ぢࡽࢀࡿࠋ୍᪉ࠊ࠸ࢃࡺࡿ࢔ࢽ࣓⪷ᆅᕠ♩࠶ࡿ࠸ࡣࠕࢥࣥࢸࣥࢶ࣭ࢶ࣮ࣜࢬ࣒ࠖ࡜࿧ࡤࢀࡿほගᙧែ࡛ࡣᩘᑡ࡞࠸ඹ㏻Ⅼࡀ࠶ࡿࠋ㞄ࡾྜ࠺஧ࡘࡢᓥ࡛࠶ࡿࡀࠊ1㸧ほග㈨※ࡢどⅬ࠿ࡽࡳࡿ࡜ࠊᒇஂᓥࡣ⮬↛㸦ࣖࢡࢫࢠࠊዟᓅࡢᒣࠎ㸧࡛࠶ࡾࠊ✀Ꮚᓥࡢࡑࢀࡣᩥ໬㸦ࣟࢣࢵࢺᇶᆅࠊᏱᐂࢭࣥࢱ࣮ࠊ
㕲◙ࠊ㘫෬࡞࡝㸧࡛࠶ࡿࠋ2㸧࢔ࢽ࣓⪷ᆅᕠ♩ࡢほⅬ࠿ࡽぢࢀࡤࠊᒇஂᓥࡣᐑᓮ㥴ࡢ࢔ࢽ࣓ࠕࡶࡢࡢࡅጲࠖࡢ⯙ྎ࡛࠶ࡾࠊⱏࡴࡋࡓ᳃ࡸ⢭㟋ࠊ⮬↛ࡀࢸ࣮࣐࡛࠶ࡿࡢ࡟
ᑐࡋࠊ✀Ꮚᓥࡣ࢔ࢽ࣓ࠕࣟ࣎ࢸ࢕ࢡࢫ࣭ࣀ࣮ࢶࠖࡸࠕ࢟ࣕࣉࢸ࣭ࣥ࢔࣮ࢫࠖ࡞࡝ࡢ
ேᕤⓗ࡞ࣟ࣎ࢵࢺࠊࢧ࢖࢚ࣥࢫ㸻ᩥ໬ࡀࢸ࣮࣐࡜ゝ࠼ࡿࠋࡲࡓࠊ3㸧༤≀㤋ࡶࠊᒇஂᓥࡣᒇஂᮡ㤋ࡀ⮬↛࡜ᩥ໬ࢆࢸ࣮࣐࡟ࡋ࡚࠸ࡿࡢ࡟ᑐࡋࠊ✀Ꮚᓥࡣ㕲◙㤋ࡸᏱᐂࢭࣥ
ࢱ࣮ࡢᒎ♧㤋࡞࡝ࠊ⛉Ꮫ࡜ᩥ໬ࡀࢸ࣮࣐࡟࡞ࡗ࡚࠸ࡿࠋࡉࡽ࡟ࠊ4㸧ほගᐈࡀồࡵࡿࡢࡶࠊᒇஂᓥࡣࣖࢡࢫࢠࡢ᳃ࡸ࣑࣓࢘࢞࡜࠸ࡗࡓ⮬↛࡛࠶ࡿࡢ࡟ᑐࡋࠊ✀Ꮚᓥࡣࢧ࣮
ࣇ࢕ࣥࡸ㕲◙ࠊࣟࢣࢵࢺ࡞࡝ࡢᩥ໬࡛࠶ࡾࠊ᫬௦ⓗ࡟ࡣᒇஂᓥࡀ⦖ᩥ᫬௦࡜࠸ࡗࡓ
㐣ཤ࡟ᑐࡋࠊ✀ᏊᓥࡣᏱᐂ㛤Ⓨ࡜࠸࠺ᮍ᮶ࡀᑐ⨨ࡉࢀࡿࠋ㟁ຊࡢ㠃࡛ࡶᒇஂᓥࡢỈຊ=⮬↛࡟ᑐࡋ࡚ࠊ✀Ꮚᓥࡣⅆຊ㸻ᩥ໬࡛࠶ࡿࠋ

ࡴࡍࡧᒇஂᓥࡣୡ⏺⮬↛㑇⏘࡜࢚ࢥࢶ࣮ࣜࢬ࣒ࡢᓥ࡜ࡋ࡚ࡑࡢྡኌࡀᐃ╔ࡋ࡚࠸ࡿ୍᪉ࠊ
✀Ꮚᓥࡣ㕲◙ఏ᮶ࡸࣟࢣࢵࢺᇶᆅࡢᓥ࡜ࡋ࡚▱ࡽࢀࠊ୧⪅ࡣ࠶ࡽࡺࡿ㠃࡛ᑐ↷ⓗ࡞ᓥ࡛࠶ࡿࠋࡋ࠿ࡋࠊ࠸ࢃࡺࡿ࢔ࢽ࣓⪷ᆅᕠ♩࠶ࡿ࠸ࡣࠕࢥࣥࢸࣥࢶ࣭ࢶ࣮ࣜࢬ࣒ࠖ࡜
࿧ࡤࢀࡿほගᙧែ࡛ࡣᩘᑡ࡞࠸ඹ㏻Ⅼࡀ࠶ࡿࠋࡇࢀࡲ࡛ࠊ㮵ඣᓥ┴ࡢᓥᕋᆅᇦࡢほග໬ࡣࠊ✀Ꮚ࣭ᒇஂࠊ୕ᓥࠊ༑ᓥࠊ዆⨾⩌ᓥ࡜࠸ࡗࡓࣈࣟࢵࢡࡈ࡜࡟ᒎ㛤ࡉࢀ࡚ࡁࡓࡀࠊ௒ᚋࡣྛࣈࣟࢵࢡࡀࡶࡗ࡜⥭ᐦ࡟㐃ᦠࡋࠊ┦஫ࡢ஺ὶࢆ㏻ࡋ࡚ᵝࠎ࡞᝟ሗࢆඹ᭷ࡋ༠ຊ㛵ಀࢆᵓ⠏ࡋ࡚࠸ࡃࡇ࡜࡟ࡼࡗ࡚ࠊ㮵ඣᓥ┴ࡢᓥࠎࡀ඲య࡜ࡋ࡚ࡢほග໬ࢆ⪃࠼࡚࠸ࡃࡇ࡜ࡀ㔜せࡔ࡜ᛮࢃࢀࡿࠋ

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KUWAHARA Sueoཧ⪃ᩥ⊩ᰘᓮⱱග࣭ᆏ⏣⿱㍜࣭Ọ⏣ಙ2003㸬ᒇஂᓥ࡟࠾ࡅࡿᖺ㛫ほගᐈᩘ࡜ほග㟂せ≉〇ࡢ᥎ィ̿㞳ᓥ࡟࠾ࡅࡿ⢭ᗘࡢ㧗࠸᥎ィ᪉ἲ̿㸬ᮾி኱Ꮫ㎰Ꮫ㒊₇⩦ᯘሗ࿌㸪110㸸
1-25㸬
2013㸬ᖹᡂ 24 ᖺᗘ∧⤫ィࡸࡃࡋࡲ㸪43 㡫㸪ᒇஂᓥ⏫௻⏬ㄪᩚᒇஂᓥ⏫௻⏬ㄪᩚㄢㄢ㸪㮵ඣᓥ㸬
すஅ⾲ᕷ࣮࣒࣮࣍࣌ࢪ
ᒇஂᓥ⏫᝟ሗ⤫ィ

http://www.city.nishinoomote.kagoshima.jp/

http://www.yakushima-town.jp/?page_id=308ࣟ࣎ࢸ࢕ࢡࢫࣀ࣮ࢶ⪷ᆅᕠ♩ IN ✀Ꮚᓥ
http://www.m-riron.sakura.ne.jp/ibento/seitijyunrei/h25/robonojyunreianime.html

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南太平洋海域調査研究報告 No.56（2015年3月）
OCCASIONAL PAPERS No.56（March 2015）ཱྀỌⰋ㒊ᓥ࡟࠾ࡅࡿ᝟ሗ㏻ಙᇶ┙ࡢ⌧≧࡜௒ᚋࡢᩚഛྍ⬟ᛶ༖ᒇṇே

Current Status and Future Potential of Broadband
Infrastructure Development on Kuchinoerabujima Island
MASUYA Masato㮵ඣᓥ኱ᏛᏛ⾡᝟ሗᇶ┙ࢭࣥࢱ࣮Computing and Communications Center, Kagoshima University

せ᪨㉸㧗㏿ࣈ࣮ࣟࢻࣂࣥࢻࡢᩚഛࡀ඲ᅜⓗ࡟㐍ࡴ୍᪉࡛ࠊᑠつᶍ࡞㞳ᓥࡸᒣ㛫㒊࡞࡝ᆅ⌮ⓗ᮲௳ࡀ୙฼࡞
ᆅᇦ࡛ࡣᮍࡔࣈ࣮ࣟࢻࣂࣥࢻࡢᜠᜨࢆཷࡅࡿࡇ࡜ࡀ࡛ࡁ࡞࠸ᆅᇦࡀከ࠸ࠋᒇஂᓥ⏫ࡢཱྀỌⰋ㒊ᓥࡶࡑࡢ୍ࡘ࡛࠶ࡿࠋཱྀỌⰋ㒊ᓥ࡟࠾ࡅࡿࣈ࣮ࣟࢻࣂࣥࢻࡢᚲせᛶཬࡧᑗ᮶ࡢ฼ά⏝ྍ⬟ᛶ࡟ࡘ࠸࡚ࠊ⌧ᅾࡢ᝟ሗ㏻ಙᇶ┙ࡢ≧ἣࢆㄪ࡭ࡿࡇ࡜࡛᫂ࡽ࠿࡟ࡍࡿ࡜࡜ࡶ࡟ࠊࣈ࣮ࣟࢻࣂࣥࢻᩚഛࢆ⾜࠺ሙྜࡢ」ᩘࡢ᪉ἲ࡟
ࡘ࠸࡚ẚ㍑᳨ウࡍࡿࠋࡣࡌࡵ࡟ࣈ࣮ࣟࢻࣂࣥࢻ᝟ሗ㏻ಙᇶ┙ࡢᩚഛ⋡ࡣ඲ᅜⓗ࡟ࡣ 100%࡜ࡉࢀ࡚࠸ࡿࠋ࡜ࡇࢁࡀࠊཱྀỌⰋ㒊ᓥ࡟ࡣᩚഛࡉࢀ࡚࠸࡞࠸ࠋᮏ◊✲࡛ࡣࠊཱྀỌⰋ㒊ᓥ࡟௒ᚋࡶࣈ࣮ࣟࢻࣂࣥࢻࡀᩚഛࡉࢀ
࡞ࡅࢀࡤ࡝࠺࡞ࡿࡢ࠿࡟ࡘ࠸࡚ࠊ⌧ᅾࡢ᝟ሗ㏻ಙᇶ┙࡛ఱࡀ࡛ࡁࡿ࠿ࢆㄪ࡭ࠊᩚഛᆅᇦ࡜ࡢ
ẚ㍑࡟ࡼࡾᒎᮃࡍࡿࠋࡲࡓࠊཱྀỌⰋ㒊ᓥ࡟ࣈ࣮ࣟࢻࣂࣥࢻࢆᩚഛࡍࡿ」ᩘࡢ᪉ἲ࡟ࡘ࠸࡚ࠊᐇドࢆྵࡵ࡚ẚ㍑᳨ウࡍࡿࠋ

54
MASUYA MasatoཱྀỌⰋ㒊ᓥࡢ᝟ሗ㏻ಙᇶ┙ࡢ⌧≧୍⯡ୡᖏ࡟࠾࠸࡚᝟ሗ㏻ಙᇶ┙࡜ࡋ࡚฼⏝࡛ࡁࡿࡢࡣࠊ᭷⥺ᘧࡢຍධ㟁ヰࢧ࣮ࣅࢫ࡜ᦠᖏ
㟁ヰࢧ࣮ࣅࢫ࡛࠶ࡿࠋ

ຍධ㟁ヰࢧ࣮ࣅࢫ
᭷⥺ᘧࡢຍධ㟁ヰࢧ࣮ࣅࢫࡣࠊᅜẸ⏕ά࡟୙ྍḞ࡛࠶ࡿࡓࡵ㐢ࡃ᪥ᮏ඲ᅜ࡟࠾࠸࡚ᥦ౪ࡉ
ࢀࡿࡇ࡜ࡀ㟁Ẽ㏻ಙ஦ᴗἲ࡛ᐃࡵࡽࢀ࡚࠾ࡾࠊཱྀỌⰋ㒊ᓥ࡛ࡶ඲ୡᖏ࡛฼⏝ྍ⬟࡛࠶ࡿࠋከࡃࡢᆅᇦ࡛ຍධ㟁ヰࢧ࣮ࣅࢫࡢ㓄⥺ࢆ฼⏝ࡋࡓADSLࢧ࣮ࣅࢫࡀᥦ౪ࡉࢀ࡚࠸ࡿࡀཱྀỌⰋ㒊ᓥ࡛ࡣᥦ౪ࡉࢀ࡚࠸࡞࠸ࠋࡇࢀࡣࠊཱྀỌⰋ㒊ᓥࡢ஺᥮ᒁࡀᓥእ࡜ఏ㏦ᐜ㔞ࡢᑠࡉ࠸↓⥺ᅇ⥺࡛ࡋ࠿᥋⥆ࡉࢀ࡚࠾ࡽࡎࠊ㡢ኌ㏻ヰࢧ࣮ࣅࢫࡢᥦ౪࡟ᨭ㞀ࡣ࡞࠸ࡶࡢࡢࠊ㧗㏿ࢹ࣮ࢱ
㏻ಙࢧ࣮ࣅࢫࡢᥦ౪ࡀ࡛ࡁ࡞࠸ࡓࡵ࡛࠶ࡿࠋ

ᦠᖏ㟁ヰࢧ࣮ࣅࢫ
ᦠᖏ㟁ヰࢧ࣮ࣅࢫࡣࠊNTT ࢻࢥࣔࡢᇶᆅᒁࡀᓥࡢᮾࠊ␒ᒇࢣᓠࡢᒣ㡬௜㏆࡟ᩚഛࡉࢀ࡚
࠸ࡿ࡯࠿ࠊᮏᮧ㞟ⴠ࡟ࡣ NTT ࢻࢥࣔࡢ୰⥅࢔ࣥࢸࢼ㸦ࣞࣆ࣮ࢱᒁ㸧ࡀタ⨨ࡉࢀ࡚࠾ࡾ㸦ᅗ 1㸧ࠊᓥෆࡢ኱༙ࡢୡᖏ࡛฼⏝࡛ࡁࡿࠋࡓࡔࡋࠊ␒ᒇࢣᓠࡢᇶᆅᒁ࡛ᥦ౪ࡉࢀ࡚࠸ࡿࢧ࣮ࣅࢫࡣ
NTT ࢻࢥࣔࡢ 3G ࢧ࣮ࣅࢫ࡛࠶ࡿ FOMA ࡟㝈ࡽࢀࡿࠋࡲࡓࠊୖὶᅇ⥺ࡢᖏᇦࡀ༑ศ࡛࡞࠸
ࡇ࡜ࡀ᝿ᐃࡉࢀࡿࡓࡵࠊ㒔ᕷ㒊࡜ྠᵝࡢ㏻ಙᖏᇦࡀ☜ಖ࡛ࡁ࡞࠸ྍ⬟ᛶࡀ࠶ࡿࠋ

ᅗ 1 ᮏᮧ㞟ⴠࡢ NTT ࢻࢥࣔࡢࣞࣆ࣮ࢱᒁ

55
Current Status and Future Potential of Broadband Infrastructure Development on Kuchinoerabujima Island௚ࡢᦠᖏ㟁ヰ஦ᴗ⪅ࡢᇶᆅᒁࡣ࡞ࡃࢧ࣮ࣅࢫࡣ฼⏝࡛ࡁ࡞࠸ࠋࡲࡓࠊNTT ࢻࢥࣔࡢࢧ࣮ࣅ
ࢫ࡛ࡶ LTE㸦Xi㸧ࡢ฼⏝ࡣ࡛ࡁࡎࠊ௒ᚋࡢᩚഛࡢணᐃࡶ♧ࡉࢀ࡚࠸࡞࠸ࠋ
࡞࠾ࠊᦠᖏ㟁ヰ஦ᴗ⪅ࡣࢧ࣮ࣅࢫ࢚ࣜ࢔࡜ぢ࡞ࡋ࡚࠸࡞࠸ࡀࠊ‫ྥ‮‬ᆅ༊࡟࠾࠸࡚ࡣᒇஂᓥ࡟タ⨨ࡉࢀ࡚࠸ࡿᦠᖏ㟁ヰ஦ᴗ⪅ࡢᇶᆅᒁ࡜ࡢ㏻ಙࡀྍ⬟࡛࠶ࡿࠋࢧ࣮ࣅࢫ࢚ࣜ࢔እ࡛࠶ࡿ
ࡓࡵ༑ศ࡞ရ㉁ࡀ☜ಖࡉࢀ࡚࠸ࡿ࡜ࡣ㝈ࡽ࡞࠸ࡀࠊNTT ࢻࢥࣔࠊauࠊࢯࣇࢺࣂࣥࢡࠊྛ♫ࡢ
LTE ࢧ࣮ࣅࢫࡀ฼⏝ྍ⬟࡛࠶ࡿࠋ㞟ⴠ࡟ࡼࡗ࡚⎔ቃࡣ␗࡞ࡿࡶࡢࡢࠊཱྀỌⰋ㒊ᓥ࡟࠾࠸࡚᝟ሗ㏻ಙᇶ┙࡜ࡋ࡚฼⏝࡛ࡁࡿࡢࡣᦠᖏ㟁ヰᅇ⥺ࡢࡳ࡛࠶ࡿࠋᅇ⥺ࡢᖏᇦࡢ ᐃ࡜฼⏝ྍ⬟࡞ࢧ࣮ࣅࢫࡢ᳨ドࢆ⾜࠸ࠊ⌧≧ࡢ
᝟ሗ㏻ಙᇶ┙࡛࡝ࡇࡲ࡛ࣈ࣮ࣟࢻࣂࣥࢻࢧ࣮ࣅࢫࡢ฼⏝ࡀ࡛ࡁࡿࡢ࠿ࢆ᫂ࡽ࠿࡟ࡋࡓ࠸ࠋ

ཱྀỌⰋ㒊ᓥ࡟࠾ࡅࡿ᝟ሗ㏻ಙᇶ┙ᩚഛ᪉ἲࣈ࣮ࣟࢻࣂࣥࢻࡢᩚഛࡣᢏ⾡ⓗ࡟ࡣᅔ㞴ࡣ࡞ࡃࠊගࣇ࢓࢖ࣂࢆᩜタࡋ࡚ࢿࢵࢺ࣮࣡ࢡᶵჾࢆタ⨨ࡍࡿࡔࡅ࡛࠶ࡿࠋ࡜ࡇࢁࡀ㞳ᓥࡢሙྜࠊᾏୖࢆ⤖ࡪගࣇ࢓࢖ࣂᩜタ࡟ከ㢠ࡢ㈝⏝ࡀ࠿࠿ࡿࡇ࡜ࡀ኱ࡁ࡞ၥ㢟࡜࡞ࡿࠋᅜࡢ⿵ຓ㔠ࢆᚓ࡚⮬἞యࡀᩚഛࡋࡓ౛ࡣ」ᩘ࠶ࡿࡀࠊཱྀỌⰋ㒊ᓥࡣࡑࢀࡽࡢ஦౛࡜ẚ࡭࡚ᑐ㇟࡜࡞ࡿୡᖏᩘࡀᴟࡵ࡚ᑠࡉࡃࠊᾏᗏࢣ࣮ࣈࣝࡢᩜタࡣᐇ⌧ࡀ㞴ࡋ࠸ࠋ

⾨ᫍ࢖ࣥࢱ࣮ࢿࢵࢺ࣭ᦠᖏ㟁ヰᅇ⥺ᾏᗏࢣ࣮ࣈࣝࡢᩜタ௨እ࡟ࡣࠊ↓⥺ᢏ⾡ࢆ⏝࠸ࡿ᪉ἲࡀ࠶ࡿࠋ
ேᕤ⾨ᫍࢆ⏝࠸ࡿ᪉ἲࡣࠊࡍ࡛࡟ᓥෆࡢ㔠ᓅᑠ࣭୰Ꮫᰯ࡟࠾࠸࡚ IPSTAR ♫ࡢ⾨ᫍ࢖ࣥࢱ࣮ࢿࢵࢺࢧ࣮ࣅࢫࢆ฼⏝ࡍࡿࡇ࡜࡛ᐇ⌧ࡉࢀ࡚࠸ࡿࠋࡋ࠿ࡋࠊ⾨ᫍ࢖ࣥࢱ࣮ࢿࢵࢺࢧ࣮ࣅࢫ
ࡣ㧗㢠࡛ࠊ㐜ᘏࡀ኱ࡁࡃࠊ㏿ᗘࡀ㐜ࡃࠊ」ᩘࡢᶵჾ࡛ᅇ⥺ࢆඹ᭷ࡍࡿ࡟ࡣྥ࠿࡞࠸ࠋ
ᦠᖏ㟁ヰᅇ⥺ࡣ⾨ᫍ࢖ࣥࢱ࣮ࢿࢵࢺ࡜ྠࡌḞⅬࢆᣢࡘ࡯࠿ࠊࢹ࣮ࢱఏ㏦㔞࡟ไ㝈ࡀ࠶ࡿࠋ↓⥺࢔ࢡࢭࢫ⿦⨨↓⥺࢔ࢡࢭࢫ⿦⨨ࢆ౑࠺᪉ἲࡣࠊ⾨ᫍ࢖ࣥࢱ࣮ࢿࢵࢺࡸᦠᖏ㟁ヰᅇ⥺ࡢࡼ࠺࡞ḞⅬࢆᣢࡓ࡞࠸ࠋࡇࡢ᪉ἲ࡟ࡣࠊ↓⥺ᒁචチࡀᚲせ࡞ࡶࡢ࡜ࠊ↓⥺ᒁචチࡀ୙せ࡞ࡶࡢࡀ࠶ࡿࠋ
↓⥺ᒁචチࡀᚲせ࡞ࡶࡢࡣࠊᑓ⏝ࡢ࿘Ἴᩘࢆ౑⏝ࡍࡿࡓࡵ௚ࡢ㏻ಙࡢᙳ㡪ࡀ࡞ࡃᏳᐃࡋ࡚
㏻ಙ࡛ࡁࡿ࡯࠿ࠊ↓⥺ᒁචチࡀ୙せ࡞ࡶࡢ࡟ẚ࡭࡚㧗࠸ฟຊ࡛㏦ಙࡀ࡛ࡁࠊ㛗㊥㞳࡛ࡶᏳᐃ
ࡋࡓ㏻ಙࡀྍ⬟࡟࡞ࡿࠋ୍᪉࡛ࠊᶵჾࡀẚ㍑ⓗ㧗౯࡛࠶ࡿࠋ
↓⥺ᒁචチࡀ୙せ࡞ࡶࡢ࡜ࡋ࡚ࡣࠊ2.4GHz ᖏࢆ⏝࠸ࡿ↓⥺ LAN ᶵჾࡀ࠶ࡿࠋචチࡀᚲせ࡞ᶵჾ࡟ẚ࡭࡚㈝⏝ࢆᢚ࠼ࡿࡇ࡜ࡀ࡛ࡁࠊタ⨨࡟࠶ࡓࡗ࡚චチ⏦ㄳࡢᡭ⥆ࡁࡀ୙せ࡛࠶ࡿࠋ௚ࡢᶵჾࡶ౑⏝ࡍࡿ࿘Ἴᩘ࡛࠶ࡿࡓࡵࠊᖸ΅࡟ࡼࡿᙳ㡪ࢆ㝖እ࡛ࡁ࡞࠸ࡀࠊタ⨨᮲௳ࢆᕤኵ
ࡍࡿ࡞࡝ࡍࡿࡇ࡜࡟ࡼࡾࠊ࠶ࡿ⛬ᗘࡢᅇ㑊ࡀྍ⬟࡛࠶ࡿࠋᾏୖ㛗㊥㞳㏻ಙ࡛ࡣ 47.5km ࡲ࡛ࡢᐇ⦼ࡀ࠶ࡿ㸦༖ᒇࡽ 2012㸧
ࠋ

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MASUYA Masato

᭱ࡶ㏆࠸ࣈ࣮ࣟࢻࣂࣥࢻ࡜᥋⥆↓⥺⿦⨨࡟ࡼࡾࣈ࣮ࣟࢻࣂࣥࢻࢧ࣮ࣅࢫᥦ౪ᆅᇦ࡜᥋⥆ࡍࡿࡇ࡜࡛ࠊཱྀỌⰋ㒊ᓥࡢࣈ࣮ࣟ
ࢻࣂࣥࢻ໬ࡀྍ⬟࡜࡞ࡿࠋཱྀỌⰋ㒊ᓥ࠿ࡽ᭱ࡶ㏆࠸ࣈ࣮ࣟࢻࣂࣥࢻࢧ࣮ࣅࢫᥦ౪ᆅᇦࡣࠊ
࠾ࡼࡑ 15km 㞳ࢀࡓᒇஂᓥࡢỌ⏣ᆅ༊࡛࠶ࡿࠋḟ࡟㏆࠸ࡢࡣ࠾ࡼࡑ 35km 㞳ࢀࡓ୕ᓥᮧ◲㯤ᓥ࡜࡞ࡿࠋ↓⥺ᶵჾࡢタ⨨࡟ࡣࠊぢ㏻ࡋࡀ☜ಖ࡛ࡁࡿ఩⨨࡛࠶ࡿࡇ࡜ࠊ㟁※ࡀ☜ಖ࡛ࡁࡿࡇ࡜ࠊᅇ⥺ࡀ☜ಖ࡛ࡁࡿࡇ࡜ࠊࡢ 3 ࡘࡢ᮲௳ࡀᚲ㡲࡛࠶ࡿࠋཱྀỌⰋ㒊ᓥ࡟࠾࠸࡚ࡇࢀࡽࡢ᮲௳ࢆ‶ࡓࡍࡢࡣࠊ␒ᒇࢣᓠᒣ㡬ࡋ࠿࡞ࡃࠊᒇஂᓥỌ⏣ᆅ༊ࠊ୕ᓥᮧ◲㯤ᓥࠊᮏᮧ㞟ⴠ࡜ࡑࢀࡒࢀ↓⥺ᶵჾ࡛᥋⥆ࡍࡿ᪉ἲࡀ᭱ၿ࡜⪃࠼ࡽࢀࡿࠋࡇࢀࢆᐇドࡍࡿࡓࡵ࡟ࠊᶵჾࢆᣢࡕ㎸ࢇ࡛ ᐃࢆ⾜࠺ࡇ࡜࡟ࡋ࡚࠸ࡿࠋ

ᘬ⏝ᩥ⊩༖ᒇṇே࣭㟷ᮌㅬ஧࣭ୗᅬᖾ୍ 2012㸬ᅜෆ᭱㛗ࡢᾏୖ㛗㊥㞳↓⥺ LAN ㏻ಙࢩࢫࢸ࣒࡟࠾
ࡅࡿ㟁Ἴఏᦙ≉ᛶ㸬኱Ꮫ᝟ሗࢩࢫࢸ࣒⎔ቃ◊✲㸪15㸸62-71㸬

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南太平洋海域調査研究報告 No.56（2015年3月）
OCCASIONAL PAPERS No.56（March 2015）࣑ࢡࣟࢿࢩ࢔㐃㑥ࡢⅆᒣᓥࡢᆅ㉁ㄪᰝ
࣮࣐ࣞࣥ ࣁࣇ࢕࣮ࢬ ࢘ࣝ

Geological Investigation of the Volcanic Islandsin the Federated States of Micronesia
REHMAN Hafiz Ur㮵ඣᓥ኱Ꮫ኱Ꮫ㝔⌮ᕤᏛ◊✲⛉Graduate School of Science and Engineering, Kagoshima University
せ᪨࣑ࢡࣟࢿࢩ࢔㐃㑥ࡣすኴᖹὒࡢ࢝ࣟࣜࣥㅖᓥ࡜ࡶ࿧ࡤࢀࡿᓥࠎ࠿ࡽ࡞ࡿᆅᇦ࡛ࠊᆅ⌮ⓗ࡟ࡣࠊす࠿ࡽᮾ࡬ࣖࢵࣉࠊࢳ࣮ࣗࢡࠊ࣏ࣥ࣌࢖࠾ࡼࡧࢥࢫ࢚ࣛࡢᅄࡘࡢᕞ࡟ࢃ࠿ࢀ࡚࠾ࡾࠊᚋ⪅ࡢ୕ࡘࡢᓥࡣⅆᒣᛶࡢᓥࠎ࡛
࠶ࡿࠋඛ⾜◊✲࡛ࡣࠊ࢝ࣟࣜࣥㅖᓥࡢⅆᒣᓥࡣኴᖹὒࣉ࣮ࣞࢺࡀᮍ▱ࡢ࣍ࢵࢺࢫ࣏ࢵࢺୖࢆ㏻㐣ࡋࠊす࠿ࡽᮾ࡬ⅆᒣᓥࡢᖺ௦ࡀⱝࡃ࡞ࡿ࡜ࡉࢀࡿࠋࡋ࠿ࡋࠊඛ࡟㏙࡭ࡓ୕ࡘࡢᓥ࡛ࡢⅆᒣάືࡢ᫬ᮇࡣ㔜࡞ࡗ࡚࠾ࡾࠊ
ࢳ࣮ࣗࢡ⎔♋ࡢᓥࠎ࡜࣏ࣥ࣌࢖ᓥ࡟ࡣྠᖺ௦ࡢⅆᒣᒾࡀᏑᅾࡍࡿࠋࡲࡓࠊࢥࢫ࢚ࣛᓥ࡟ࡶ࣏ࣥ࣌࢖ᓥ࡜ྠᖺ
௦ࡢⅆᒣᒾࡀ࠶ࡾࠊࡑࢀࡽࡢⅆᒣᓥࡣ㸦ᩘⓒ࢟ࣟࡶ࠾஫࠸࡟㞳ࢀ࡚࠸ࡿᓥࠎ㸧ࠊ࣍ࢵࢺࢫ࣏ࢵࢺୖ࡟ࣉ࣮ࣞ
ࢺࡀ㏻㐣ࡋࡓ᫬࡟ᙧᡂࡉࢀࡓ࡜ࡣ⪃࠼࡟ࡃ࠸ࠋᮏ◊✲ࡢ┠ⓗࡣ࣑ࢡࣟࢿࢩ࢔㐃㑥ࡢⅆᒣᓥࡢᆅ㉁ㄪᰝࢆྵࡴࠊ
ᒾ▼ヨᩱࡢᒾ▼Ꮫࠊᆅ⌫໬Ꮫ࠾ࡼࡧᖺ௦Ꮫⓗ࡞◊✲ࢆ⾜࠸ࠊⅆᒣᓥࡢᡂᅉࢆ᫂ࡽ࠿࡟ࡍࡿࠋ

⫼ᬒ࣑ࢡࣟࢿࢩ࢔㐃㑥ࡣࠊすኴᖹὒࡢ㉥㐨௜㏆໭ࡢప⦋ᗘ࡟࢝ࣟࣜࣥㅖᓥ࡜ࡋ࡚▱ࡽࢀ࡚࠸ࡿ
607 ࡢᓥࠎ࠿ࡽ࡞ࡿᅜ࡛ࠊす࠿ࡽᮾ࡟ࠊࣖࢵࣉࠊࢳ࣮ࣗࢡࠊ࣏ࣥ࣌࢖࠾ࡼࡧࢥࢫ࢚ࣛࡢᅄࡘ
ࡢᕞ࡟ศ࠿ࢀ࡚࠸ࡿࠋࣖࢵࣉㅖᓥࡣࣇ࢕ࣜࣆࣥᾏࣉ࣮ࣞࢺࡢᮾഃࡢỿࡳ㎸ࡳᖏୖ࡟ᓥᘼࢩࢫ
ࢸ࣒ࢆᙧᡂࡋࠊ༡ࡣࣃࣛ࢜ᓥᘼࠊ໭ࡣఀ㇋࣭࣐ࣜ࢔ࢼᘼࢩࢫࢸ࣒࡟᥋⥆ࡋ࡚࠸ࡿࠋࣖࢵࣉ࡜
␗࡞ࡗ࡚ࢳ࣮ࣗࢡࠊ
࣏ࣥ࣌࢖ࠊ࠾ࡼࡧࢥࢫ࢚ࣛࡢᓥࠎࡣኴᖹὒࣉ࣮ࣞࢺୖࡢ୺࡟ⅆᒣᛶࡢᓥࠎ࡛࠶ࡾࠊす࠿ࡽᮾ࡬ᖺ௦ⓗ࡟ⱝࡃ࡞ࡗ࡚࠸ࡿࠋ
ඛ⾜◊✲㸦ᒾᓮ 1915, KINOSHITA 1926, ྜྷ஭ 1936, ⏣ᒣ 1952, YAGI 1960, STARK and HAY
1963, MATTEY 1982, SPENGLER 1990 ➼㸧࡛ࡣ࣑ࢡࣟࢿࢩ࢔㐃㑥ࡢⅆᒣᓥࡢ≉ᚩࡸ㖔≀⤌ᡂ࡞࡝࡟ࡘ࠸࡚ࡢグ㏙ࡀ࠶ࡿࠋࡋ࠿ࡋࠊⅆᒣ㉳※࠾ࡼࡧᆅ㉁ᵓ㐀ࡣ᫂ࡽ࠿࡟ࡉࢀ࡚࠸࡞࠸ࠋ
ࡲࡓࠊ୍㒊ࡢ◊✲ሗ࿌㸦DIXON et al. 1984, KEATING et al. 1984a, 1984b㸧࡛ࡣࢳ࣮ࣗࢡࠊ࣏ࣥ࣌
࢖࠾ࡼࡧࢥࢫ࢚ࣛࡢⅆᒣᒾࢆ K-Ar ἲ࡛ᖺ௦ ᐃࢆ⾜࠸ࠊࡑࢀࡽࡢᓥࠎࡢⅆᒣάືࡣ࣍ࢵࢺ

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REHMAN Hafiz Urࢫ࣏ࢵࢺ⏤᮶࡛࠶ࡿ࡜ゎ㔘ࡋࡓࠋࡋ࠿ࡋࠊࢳ࣮ࣗࢡ࡟Ꮡᅾࡍࡿ⋞Ṋᒾ࠿ࡽ࣏ࣥ࣌࢖࡟࠶ࡿ
ྠᵝ࡞⋞Ṋᒾ࡜ྠࡌᖺ௦ࡀฟ࡚࠾ࡾࠊࡉࡽ࡟ࠊ࣏ࣥ࣌࢖࡜ࢥࢫ࢚ࣛ࡟ࡶྠᖺ௦ࡢ⋞ṊᒾࡀᏑᅾࡋࠊኴᖹὒࣉ࣮ࣞࢺࡀ࣍ࢵࢺࢫ࣏ࢵࢺୖ࡟㏻㐣ࡋࡓࡇ࡜ࡔࡅࢆゎ㔘ࡍࡿࡢࡣ⪃࠼࡟ࡃ࠸㸦ᅗ 1㸧
ࠋKOBAYASHI㸦2004㸧࡟ࡼࡿ࡜ࠊኴᖹὒࣉ࣮ࣞࢺࡣ࣑ࢡࣟࢿࢩ࢔㐃㑥௜㏆࡛ 8.3 cm yr-1
ࡢ㏿ᗘ࡛໭す࡬⛣ືࡋ࡚࠾ࡾࠊᩘⓒ࢟ࣟࡶ㞳ࢀ࡚࠸ࡿ୕ࡘࡢᆅᇦ࡛ྠ᫬࡟ྠࡌ࣍ࢵࢺࢫ࣏ࢵ
ࢺ࠿ࡽⅆᒣࡀᙧᡂࡉࢀࡓ⤖ㄽࡣཷࡅධࢀ࡞࠸ࠋࡲࡓࠊࡑࡢ࣍ࢵࢺࢫ࣏ࢵࢺࡣࢥࢫ࢚ࣛࡀ㏻㐣
ࡋࡓᚋ࡝࠺࡞ࡗࡓࡢ࠿ࠊ୙࡛᫂࠶ࡿࠋ
ᮏ◊✲࡛ࡣࠊࡑࢀࡽࡢᓥ࡟⏘ࡍࡿ⋞Ṋᒾ࠾ࡼࡧࡑࡢ௚ࡢ㈏ධᒾࢆㄪᰝࡋࠊ௦⾲ⓗ࡞ࢧࣥࣉࣝࢆ᥇ྲྀࡋࠊࡑࢀࡽࡢᒾ▼Ꮫࠊᆅ⌫໬Ꮫⓗ࠾ࡼࡧᖺ௦Ꮫⓗ◊✲ࢆ⾜࠸࢝ࣟࣜࣥㅖᓥࡢ㉳※ࢆ
᫂ࡽ࠿࡟ࡍࡿࠋ
୍㒊ࡢᒾ▼ヨᩱࡢᆅ⌫໬Ꮫⓗ࡞ศᯒࡣ᪤࡟⾜࠸ࠊṧࡾࡢヨᩱࡣ᳨ド୰࡛࠶ࡿࠋ

᪉ἲࢳ࣮ࣗࢡ⎔♋㸦୺࡟࢙࢘ࣀᓥ㸧࠾ࡼࡧ࣏ࣥ࣌࢖ᓥ࡛㔝እㄪᰝࢆ⾜࠸ࠊࢳ࣮ࣗࢡ⎔♋࠿ࡽ
73 ಶࠊ࣏ࣥ࣌࢖ᓥ࠿ࡽ 70 ಶࡢᒾ▼ヨᩱࢆ᥇ྲྀࡋࡓࠋ᥇㞟ࡋࡓヨᩱ୰௦⾲ⓗ࡞ࢧࣥࣉࣝࡢ
ᒾ▼ⷧ∦ࢆసᡂࡋࠊ೫ග㢧ᚤ㙾࡟ࡼࡿほᐹࢆ⾜ࡗࡓࠋࡲࡓࠊసᡂࡋࡓⷧ∦⾲㠃ࡢ඲ᇦࢆ㮵ඣᓥ኱Ꮫᶵჾศᯒࢭࣥࢱ࣮ࡢ⺯ග㹖⥺ศᯒ⿦⨨㸦X-Ray Guided Tube : XGT㸧ࢆ⏝࠸࡚୺せඖ⣲ࡢ࣐ࢵࣆࣥࢢࡸෆ㒊ᵓ㐀ࠊ㖔≀⤌ᡂ࡞࡝ࡢศᯒࡶ⾜ࡗࡓࠋࡉࡽ࡟ࠊ୍㒊ࡢヨᩱࢆࢱࣥࢢࢫࢸ
ࣥࢪ࣮ࣙࢡࣛࢵࢩࣕࢆ⏝࠸࡚⢊○ࡋࠊ㕲〇࣮࣑࡛࣎ࣝࣝ⣽࠿ࡃ⢊ᮎࡋࡓࠋࡑࢀࡽࡢヨᩱࢆ඲ᒾ໬Ꮫ⤌ᡂࡢࡓࡵࠊ୺せඖ⣲㸦Si, Al, Ti, Mg, Fe, Mn, Ca, Na, K, P㸧࠾ࡼࡧᚤ㔞ඖ⣲㸦V, Cr, Co,
Ni, Co, Cu, Zn, Rb, Sr, Li, Y, Zr, Nb, Ta, Ba, Pb, Th, U㸧ࡢศᯒࢆ㮵ඣᓥ኱Ꮫᶵჾศᯒࢭࣥࢱ࣮࡟
࠶ࡿἼ㛗ศᩓᆺ⺯ග㹖⥺ศᯒ⿦⨨㸦XRF: RIGAKU ZSX 100e㸧ࢆ⏝࠸࡚⾜ࡗࡓࠋ୺せඖ⣲ࡣ࢞ࣛࢫࣅ࣮ࢻ㸦ヨᩱ࡜ Li2B4O7 ࡢΰྜࡋࡓ⢊ᮎࢆ 1,000°C ࡟ຍ⇕ࡋసᡂࡋࡓ㸧ࢆ౑⏝ࠊᚤ㔞ඖ⣲ࡣ⢊ᮎ࠿ࡽసᡂࡋࡓࣉࣞࢫ࣌ࣞࢵࢺࢆ౑࠸ࠊศᯒࢆ⾜ࡗࡓࠋᅗ 1 ࢝ࣟࣜࣥㅖᓥࡢⅆᒣάືᖺ௦ศᕸ㸦REHMAN et al.㹙2013㹛ࢆᨵኚ㸧

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Geological Investigation of the Volcanic Islands in the Federated States of Micronesia⤖ᯝࢳ࣮ࣗࢡ⎔♋࠾ࡼࡧ࣏ࣥ࣌࢖ᓥ࡛ᆅ㉁ㄪᰝࢆ⾜࠸ࠊ୧ᆅᇦ࡛ࡶᕧ኱࡞┪≧ⅆᒣࡢ㊧ࡀ☜ㄆ࡛ࡁࡓࠋࡲࡓࠊึ⏕ⓗ࡞ᄇⅆࡣᕧ኱࡞⋞Ṋᒾ࠿ࡽ࡞ࡿ┪≧ⅆᒣࢆᙧᡂࡋࠊ஧ḟάື࡜ࡋ࡚ࡣ
ึ⏕ࡢ⋞Ṋᒾ࡟㈏ධࡍࡿከᩘࡢᒾ⬦ࡀࢳ࣮ࣗࢡ⎔♋࠾ࡼࡧ࣏ࣥ࣌࢖ᓥ඲య࡛ぢࡽࢀࡓࠋ୍㒊ࡢᆅᇦ࡛ࡣࠊⅆ○ὶࡸⅆ○ሁ✚ᒾࡶᏑᅾࡋ࡚࠸ࡓࠋࢳ࣮ࣗࢡ⎔♋࡛ࡣᰕ≧⠇⌮ࢆసࡿ┪≧ⅆᒣࡢ୰ᚰ㒊࡜⪃࠼ࡽࢀࡿ㟢㢌ࢆ 2 ⟠ᡤ☜ㄆ࡛ࡁࠊ࣏ࣥ࣌࢖ᓥ࡛ࡣᩘከࡃぢࡽࢀࡓࠋࡲࡓࠊ
2 ⟠ᡤ࡟ࡣⅆᒣᒾ㢕㸦Volcanic plug㸧ࡶ☜ㄆ࡛ࡁࡓࠋᩘ⟠ᡤ࡛ࡣ⋞Ṋᒾ࡟࢝ࣥࣛࣥᒾࡀᤕ⋓ࡉࢀ࡚࠸ࡿࡇ࡜ࡶ㊰㢌࡛☜ㄆ࡛ࡁࡓࠋ
ᒾ▼ⷧ∦ほᐹ࡟ࡼࡾከࡃࡢヨᩱࡣ㠀㢧ᬗ㉁࠿ࡽ㢧ᬗ㉁ࡲ࡛ぢࡽࢀࠊ࢝ࣥࣛࣥ▼ࠊᩳ᪉㍤▼
ࡸࢳࢱࣥ㍤▼ࠊᚤᑠ࡞ᩳ㛗▼ࠊࢳࢱࣥ㉁☢㕲㖔ࠊ࠾ࡼࡧഹ࠿࡞ࢿࣇ࢙࡛ࣜࣥᵓᡂࡉࢀ࡚࠸ࡓࠋ඲ᒾ୺せ࠾ࡼࡧᚤ㔞ඖ⣲ࡢ XRF ศᯒ࠿ࡽከࡃࡢヨᩱࡣ⋞Ṋᒾ࡛࠶ࡾࠊ୍㒊ࡣࣂࢧࢼ࢖ࢺ
㸦࢝ࣥࣛࣥᒾ࡟ᐩࡴ⋞Ṋᒾ㸧ࡶ࠶ࡗࡓࠋࡲࡓࠊXGT ศᯒ࡟ࡼࡾࠊᒾ▼ヨᩱ࡟ࡣྵࡲࢀࡿࢳࢱ
ࣥ㍤▼ࡣ Fe ࠾ࡼࡧ Ti ࡟ᐩࡳࠊ࢝ࣥࣛࣥᒾࡣ Fe ࡟ᐩࢇ࡛࠸ࡓࠋ୍㒊ࡢヨᩱ࡟ࡣከᩘࡢẼἻࡀ
࠶ࡾࠊCa ࡟ᐩࡴ㒊ศࢆ♧ࡋ࡚࠸ࡓࠋ

⪃ᐹ⌧ᆅㄪᰝࠊᒾ▼ヨᩱ࠾ࡼࡧ◊✲ᆅᇦ࡟㛵㐃ࡍࡿᘬ⏝ᩥ⊩ࢆཧ⪃࡟࣑ࢡࣟࢿࢩ࢔㐃㑥ࡢⅆᒣᓥࡢᡂᅉ࡟ࡘ࠸࡚ 2 ࡘࡢㄝ᫂ࡀฟ᮶ࡿࠋ
1.

ࢳ࣮ࣗࢡ⎔♋࠾ࡼࡧ࣏ࣥ࣌࢖ᓥࡣࠊᕧ኱࡞┪≧ⅆᒣࡢ୍㒊࡛࠶ࡿ㸦ࢥࢫ࢚ࣛㄪᰝࡣࡲࡔ
⾜ࡗ࡚࠸࡞࠸ࡓࡵ┬␎㸧ࠋࡇࡢ┪≧ⅆᒣࡣࠊࣂࢧࢼ࢖ࢺࠊ࢝ࣥࣛࣥ▼࡟ᐩࡴ࢔ࣝ࢝ࣜ⋞Ṋᒾ➼࡛ᵓᡂࡉࢀ࡚࠸ࡿࠋࡲࡓࠊヨᩱࡢከࡃࡣ㠀㢧ᬗ㉁࡛࠶ࡿࡇ࡜ࡣࠊ⋞Ṋᒾࡀᛴ෭ୗ࡜
ゎ㔘࡛ࡁࡿࠋࡉࡽ࡟ࠊ୍㒊ࡢヨᩱ࡟ࡣ㢧ᬗ㉁ࡢ࢝ࣥࣛࣥ▼ࡸᩳ᪉㍤▼࡞࡝ࡣࡸࡸ῝㒊࡛࣐ࢢ࣐ࡢศ໬࡟కࡗ࡚ᙧᡂࡉࢀࡓࡇ࡜ࢆ♧ࡍࠋ⋞Ṋᒾ୰ᤕ⋓ᒾ࡜ࡋ࡚ྵࡲࢀ࡚࠸ࡿ࢝ࣥࣛ
ࣥᒾࡣࠊ࣐ࣥࢺࣝ㉳※ࡢ㒊ศࡀ⋞ṊᒾⓎ⏕᫬࡟ᤕ⋓ࡉࢀࡓ࡜⪃࠼ࡽࢀࡿࠋ

2.

XGT ࠾ࡼࡧ XRF ศᯒ࠿ࡽᒾ▼ヨᩱ࡟ࡣྵࡲࢀࡿ Fe ࠾ࡼࡧ Ti ࡟ᐩࡴࢳࢱࣥ㍤▼ࡣࠊ࣐ࢢ࣐ࡢศ໬ࡢࣉࣟࢭࢫ࡛⤖ᬗ໬ࡉࢀ࡚࠸ࡿ㖔≀࡜ࡋ࡚ㄞࡳྲྀࢀࡿࠋࡲࡓࠊከᩘࡢẼἻࡣ஧ḟⓗ࡞ⅆᒣάືࢆ♧ࡋࠊⅆᒣ࢞ࢫ࡟ᐩࡴⅆᒣᒾ࡛࠶ࡿ࡜ㄝ࡛᫂ࡁࡿࠋࡲࡓࠊࡑࢀࡽࡢẼἻ࡟ࡣᾏỈ⎔ቃୗ࡛᪉ゎ▼ࢆᵓᡂࡍࡿ CaCO3 ࡀᬗฟࡋࡓ࡜ゎ㔘ࡍࡿࠋXRF ᐃ㔞ศᯒࢹ࣮ࢱ࡟
ᇶ࡙࠸࡚ᒾ▼ࢆྠᐃࡋࡓ⤖ᯝࠊᒾ▼ࡢ࡯࡜ࢇ࡝ࡀ⋞Ṋᒾ࡛࠶ࡾࠊ⋞Ṋᒾ୰࡛ࡶ᭦࡟⤠ࡾ㎸ࡴ࡜ࠊAlkaline ୖ࡛࠶ࡾࠊOcean Island Alkali basalts㸦OIA㸧࡜ࡋุู࡚ࡋࡓࠋ

ࡲ࡜ࡵᮏ◊✲࡛ࡣࠊ⌧ᆅㄪᰝ࠾ࡼࡧᒾ▼ࡢศᯒ࡟ࡼࡗ࡚ࠊ࣑ࢡࣟࢿࢩ࢔㐃㑥ࡢⅆᒣᛶࡢᓥࠎࡢ
ᡂᅉࢆ≉ᐃࡍࡿࡇ࡜ࡀ┠ⓗࡢ୍ࡘ࡛࠶ࡗࡓࠋඛ⾜◊✲࡟ࡣ࣍ࢵࢺࢫ࣏ࢵࢺ㉳※ࢆ♧၀ࡍࡿ

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REHMAN Hafiz Urࡶࡢ㸦SPENGLER 1990㸧ࡀ࠶ࡿࠋࡋ࠿ࡋࠊ௜㏆ࡢࣉ࣮ࣞࢺࡢᵓ㐀࠾ࡼࡧⅆᒣᒾࡢᖺ௦ⓗࡢ
どⅬ࠿ࡽ࣍ࢵࢺࢫ࣏ࢵࢺ㉳※ࡣ㞴ࡋ࠸ࠋ᭱㏆ࠊREHMAN et al.㸦2013㸧࡟ࡼࡿ࣑ࢡࣟࢿࢩ࢔
㐃㑥ࡢⅆᒣᓥࡣỿࡳ㎸ࡳᖏࢆ♧၀ࡍࡿ Fracture-Induced Volcanism ࡢ㛵ಀ࡛ᙧᡂࡢ㆟ㄽࡀฟࡉࢀࠊ௒ᚋࠊ⌧ᆅㄪᰝ࡛᥇ྲྀࡋࡓᒾ▼ヨᩱࡢࡼࡾヲࡋ࠸ศᯒ࠾ࡼࡧᖺ௦ ᐃࢆ⾜࠺ணᐃ࡛࠶ࡾࠊ࣑ࢡࣟࢿࢩ࢔㐃㑥ࡢⅆᒣᓥࡢ㉳※ࢆ᫂ࡽ࠿࡟ࡍࡿࡇ࡜ࡀᮇᚅ࡛ࡁࡿࠋᘬ⏝ᩥ⊩
DIXON, T. H., BATIZA, R., FUTA, K. and MARTIN, D. 1984. Petrochemistry, Age and Isotopic
Composition of Alkali Basalts from Ponape Island, Western Pacific. Chemical Geology, 43: 1-28.
ᒾᓮ㔜୕ 1915㸬༡ὒࡢᆅ㉁㸦୍㸧㸬ᆅ㉁Ꮵ㞯ㄅ㸪22㸸277-290㸬
KEATING, B. H., MATTEY, D. P., HELSLEY, C. E., NAUGHTON, J. J., EPP, D., LAZAREWICZ, A. and
SCHWANK, D. 1984a. Evidence for a Hot Spot Origin of the Caroline Islands. Journal ofGeophysical Research, 89: 9937-9948.
KEATING, B. H., MATTEY, D. P., NAUGHTON, J. J. and HELSLEY, C. E. 1984b. Age and Origin of TrukAtoll, Eastern Caroline Islands: Geochemical, Radiometric-Age, and Paleomagnetic Evidence.
Geological Society of America Bulletin, 95: 350-356.
KINOSHITA, K. 1926. Preliminary Notes on the Nepheline Basalt and Some Associated Rocks from Truk,
Calorine Islands. Journal of the Geological Society of Tokyo, 33: 1-8.
KOBAYASHI, K. 2004. Origin of the Palau and Yap Trench-Arc Systems. Geophysical JournalInternational, 157: 1303-1315.
MATTEY, D. P. 1982. The Minor and Trace Element Geochemistry of Volcanic Rocks from Truk, Ponape
and Kusaie, Eastern Caroline Islands; The Evolution of a Young Hot Spot Trace Across Old Pacific
Ocean Crust. Contributions to Mineralogy and Petrology, 80: 1-13.
REHMAN, H. U., NAKAYA, H. and KAWAI, K. 2013. Geological Origin of the Volcanic Islands of the
Caroline Group in the Federated States of Micronesia, Western Pacific. South Pacific Studies, 33:
101-118.
SPENGLER, S. R. 1990. Geology and Hydrogeology of the Island of Pohnpei, Federated States ofMicronesia, 265 pp., Ph. D. Dissertation, University of Hawai`i at Manoa, Honolulu, USA.
STARK, J. T. and HAY, R. L. 1963. Geology and Petrography of Volcanic Rocks of the Truk Islands, East
Caroline Islands. Geological Survey (U.S.) Professional Paper 409, 41 pp., U.S. Government
Printing Office, Washington, USA.
⏣ᒣ฼୕㑻 1952㸬༡ὒ⩌ᓥࡢ⌈⍚♋㸬Ỉ㊰㒊ሗ࿌㸪11㸦941㸧
㸸1-292㸬
YAGI, K. 1960. Petrochemistry of the Alkalic Rocks of Ponape Island, Western Pacific Ocean. The 21stInternational Geological Congress, Copenhagen, Part 11-16: 108-122.
ྜྷ஭ṇᩄ 1936㸬༡ὒㅖᓥ㠀▼⅊ᒾ▼␐グ㸬ᮾ໭ᖇᅧ኱Ꮵ⌮Ꮵ㒊ᆅ㉁Ꮵྂ⏕≀Ꮵᩍᐊ◊✲㑥ᩥሗ࿌㸪22㸸1-50㸬

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南太平洋海域調査研究報告 No.56（2015年3月）
OCCASIONAL PAPERS No.56（March 2015）࣑ࢡࣟࢿࢩ࢔㐃㑥࣏ࣥ࣌࢖ᓥ࡟࠾ࡅࡿ
ⅆᒣᒾࡢ⏘≧࡜ྂᆅ☢ẼᏛⓗᛶ㉁໭ᮧ᭷㎿Occurrence of Volcanic Rocks and Their Paleomagnetic
Property in Pohnpei Island, the Federated States of Micronesia
KITAMURA Yujin

㮵ඣᓥ኱Ꮫ኱Ꮫ㝔⌮ᕤᏛ◊✲⛉Graduate School of Science and Engineering, Kagoshima University
せ᪨すኴᖹὒࡢኴᖹὒࣉ࣮ࣞࢺୖ࡟ᮾす⣙ 3,000km ࡟ᗈࡀࡿ࢝ࣟࣜࣥᾏᕊࡣࡑࡢᡂᅉࡸᙧᡂ㐣⛬ࡀᮍヲ࡛࠶ࡿࠋᮏ◊✲࡛ࡣྂᆅ☢ẼᏛⓗ࡞᳨ウ࠿ࡽࡇࢀࢆ᫂ࡽ࠿࡟ࡍࡿ࡭ࡃࠊ࣑ࢡࣟࢿࢩ࢔㐃㑥࣏ࣥ࣌࢖ᓥ࡟࠾࠸࡚
ᆅ㉁ㄪᰝ࠾ࡼࡧᒾ▼ヨᩱ᥇ྲྀࢆ⾜ࡗࡓࠋᓥෆࡢ㟢㢌࡟࠾࠸࡚ࡣඛ⾜◊✲࡛ㄆࡵࡽࢀࡓྛ✀ᒾ▼ࡀ☜ㄆ࡛ࡁࡓࠋ
ࡲࡓࠊࡇࢀࡲ࡛ⅆ○ୣ࡜ࡉࢀ࡚࠸ࡓሙᡤࡣỈ୰ⅆ○ὶሁ✚≀࡛࠶ࡿࡇ࡜ࡀ᫂ࡽ࠿࡟࡞ࡗࡓࠋࡇࢀࡽࡢヨᩱࢆ⏝࠸ࡓྂᆅ☢ẼᏛⓗ◊✲࡟ࡼࡾࠊ࣏ࣥ࣌࢖ᓥⅆᒣᙧᡂࡢ᫬㛫࣭✵㛫ⓗ⪃ᐹࡀྍ⬟࡟࡞ࡿࡇ࡜ࡀᮇᚅࡉࢀࡿࠋ

ࡣࡌࡵ࡟࣑ࢡࣟࢿࢩ࢔㐃㑥ࡢ࣏ࣥ࣌࢖ᓥࡣすኴᖹὒࡢ㉥㐨ࡢ໭⣙ 800km ࡟఩⨨ࡍࡿ࢝ࣟࣜࣥㅖᓥ
᭱኱ࡢᓥ࡛࠶ࡿࠋ࢝ࣟࣜࣥㅖᓥࡣ࣑ࢡࣟࢿࢩ࢔㐃㑥࡜ࣃࣛ࢜ඹ࿴ᅜ࠿ࡽᵓᡂࡉࢀࠊすኴᖹὒ㉥㐨໭᪉࡟ᮾす⣙ 3,000 ࢟ࣟ࡟ࢃࡓࡗ࡚ศᕸࡍࡿࠋࡇࡢㅖᓥࡣ࢝ࣟࣜࣥᾏᕊ࡜࿧ࡤࢀࡿኴᖹ
ὒࣉ࣮ࣞࢺୖࡢ㧗ࡲࡾ࡟఩⨨ࡍࡿࠋ࢝ࣟࣜࣥᾏᕊࡢᡂᅉ࡟ࡘ࠸࡚ࡣ࣍ࢵࢺࢫ࣏ࢵࢺ㉳※㸦DIXON et al. 1984, KEATING et al. 1984a, 1984b㸧ࡸỿࡳ㎸ࡳ࡟క࠺ᾏὒᆅẆࡢட⿣ᙧᡂ
㸦REHMAN et al. 2013㸧࡞࡝ㅖㄝ࠶ࡿࡀ࠸ࡎࢀࡶỴࡵᡭࢆḞ࠸࡚࠸ࡿࠋ
࣏ࣥ࣌࢖ᓥ࡛ࡢᆅ㉁Ꮫⓗ◊✲ࡢඛ㥑ࡅࡣࢻ࢖ࢶ࠾ࡼࡧ᪥ᮏ⤫἞᫬௦࡟㐳ࡿ㸦KAISER 1903,
ྜྷ஭ 1936, ᒾ⏕ 1941㸧ࠋ඲ᓥࢆᑐ㇟࡟ࡋࡓ᭱㏆ࡢ◊✲ࡣ SPENGLER et al.㸦1992㸧࡟ࡲ࡜ࡵࡽࢀ࡚࠸ࡿࠋࡲࡓࠊ࣏ࣥ࣌࢖ᓥ༡ᮾ㒊ࡢࢼ࣐ࣥࢻ࣮ࣝ㑇㊧࡟▼ᮦ࡜ࡋ࡚౑⏝ࡉࢀ࡚࠸ࡿᰕ≧⠇⌮ࡢⓎ㐩ࡋࡓ⋞Ṋᒾࡢᚤ㔞ඖ⣲ศᯒࡀ⪃ྂᏛࡢศ㔝࡛Ⓨ⾲ࡉࢀ࡚࠸ࡿ㸦MCCOY and ATHENS2012㸧
ࠋࡋ࠿ࡋࠊ࢝ࣟࣜࣥᾏᕊࡢᙧᡂྐࢆ᫂ࡽ࠿࡟ࡍࡿ࡟ࡣ᭦࡞ࡿᆅ㉁ࢹ࣮ࢱࡀᚲせ࡛࠶ࡿࠋᮏ◊✲࡛ࡣࠊ࣏ࣥ࣌࢖ᓥᙧᡂ᫬ࡢྂᆅ☢ẼᏛⓗࢹ࣮ࢱࢆᚓࡿ஦࡛᪂ࡓ࡞㆟ㄽࡢ➃⥴ࢆ㛤ࡃࡇ࡜ࢆ┠ⓗ࡜ࡋࠊ࣏ࣥ࣌࢖ᓥ࡛ࡢヨᩱ᥇ྲྀࢆィ⏬ࡋࡓࠋࡇࡇ࡛ࡣࡑࡢヨᩱ᥇ྲྀ࡟࠶ࡓࡗ࡚
ᐇ᪋ࡋࡓ⌧ᆅᆅ㉁ㄪᰝࡢᴫせࢆሗ࿌ࡍࡿࠋ

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KITAMURA Yujin

ㄪᰝ᪉ἲ࣏ࣥ࣌࢖ᓥㄪᰝ᪑⾜ࡣ 2014 ᖺ 8 ᭶ 3 ᪥࠿ࡽ 11 ᪥ࡢ᪥⛬࡛ᐇ᪋ࡋࡓࠋ⌧ᆅ NGO ࡢ
Conservation Society of Pohnpei㸦CSP㸧ࡢ඲㠃ⓗ࡞༠ຊࢆᚓ࡚ࠊ㛵ಀᶵ㛵࡜ࡢᢡ⾪ࡸ⌧ᆅ࢞࢖ࢻࡢᡭ㓄࡞࡝ࢆ⾜ࡗࡓࠋᓥෆࡢㄪᰝ࠾ࡼࡧヨᩱ᥇ྲྀ࡟ࡘ࠸࡚ࡣࠊMinistry of Land and Natural
Resources ࠿ࡽチྍࢆཷࡅࡓࠋᾏࡸἙᕝ࡛ࡢㄪᰝࢆ᝿ᐃࡋ࡚ Office for Fisheries ࡟☜ㄆࢆ⾜ࡗࡓࡀࠊỈ⏘≀ࡢ᥇ྲྀࢆ⾜ࢃ࡞࠸ࡢ࡛≉࡟ᡭ⥆ࡣ⾜ࢃ࡞࠿ࡗࡓࠋᆅ㉁ㄪᰝࡣ 8 ᭶ 5 ᪥࠿ࡽ 9 ᪥࡟࠿ࡅ࡚ᐇ᪋ࡋࡓࠋ⌧ᆅ࢞࢖ࢻࡢㄏᑟࡢࡶ࡜ࠊࣞࣥࢱ࣮࡛࢝ᓥෆࡢ࿘ᅇ㐨㊰ἢ࠸ࡢ㟢㢌ࡸࠊᒾ▼ࡢዲ㟢㢌ࡀᮇᚅࡉࢀࡿ᥇▼ሙࠊ⁪࡞࡝ࢆᕠᅇࡋࡓࠋ఩⨨᝟ሗࡣ GPS ࣮࡛ࣟ࢞ྲྀᚓࡋࡓࡀࠊ
ᶵჾࡢၥ㢟୍࡛㒊ࢹ࣮ࢱࡀḞᦆࡋ࡚࠸ࡿࠋᅗ 1 ࡟ほᐹ࠾ࡼࡧヨᩱ᥇ྲྀᆅⅬࢆ♧ࡋࡓࠋ
Stop 1
Stop 2
Stop 3

Sokehs ᓥ㸦༙ᓥ㸧ࡢすഃᾏᓊࡢ࿘ᅇ㐨㊰ἢ࠸㟢㢌ࠋሢ≧⋞Ṋᒾࢆㄆࡵࡓࠋ
Sokehs ᓥࡢすഃᾏᓊࠊ
Roie 㞟ⴠෆࡢ࿘ᅇ㐨㊰ἢ࠸㟢㢌ࠋ
ゅ♟໬ࡋࡓ⋞Ṋᒾࢆㄆࡵࡓࠋ
Sokehs ᓥ໭す➃ Ipwal ࡢ᥇▼ሙࠋᰕ≧⠇⌮ࡀⓎ㐩ࡋࡓ኱つᶍ࡞㟢㢌ࠋ⋞Ṋᒾ࡛࠶ࡾࠊ
ࢮࣀࣜࢫࢆྵࡴࡶࡢࡀぢࡽࢀࡓࠋᐃ᪉఩ᒾ▼ヨᩱࢆ᥇ྲྀࡋࡓ㸦ヨᩱ␒ྕ PNY01㸧
ࠋ
Stop 4 Sokehs ᓥࡢᮾᾏᓊ Penpei ௜㏆ࡢ࿘ᅇ㐨㊰ἢ࠸㟢㢌ࠋὶືᵓ㐀ࡢぢࡽࢀࡿ⋞Ṋᒾࠋ
Stop 5 Nett ᆅ༊ࡢ Kiepw ᕝᨭὶࠋゅ♟໬ࡋࡓ⋞Ṋᒾࠋ㢼໬ࡀ㐍⾜ࡋ࡚࠾ࡾࠊࢱ࢞ࢿࡀᐜ᫆
࡟✺ࡁ่ࡉࡾᇙἐࡍࡿࠋ
Stop 6 Stop 5 ࡢ⣙ 100m ୖὶࠋᰕ≧⠇⌮ࡢⓎ㐩ࡋࡓ㟢㢌ࠋᐃ᪉఩ᒾ▼ヨᩱࢆ᥇ྲྀࡋࡓ
㸦PNY02㸧
ࠋ
Stop 7 Stop 5㹼6 ࡢୗὶࠋỈ㐨᪋タࡢୗὶഃ࡟࠶ࡿẸᐙ๓ࡢ㐨㊰ἢ࠸㟢㢌ࠋሢ≧⋞Ṋᒾࠋ
Stop 8 Stop 7 ࡢୗὶࠋNanpil ௜㏆ࠋἙᕝᩜ㟢㢌ࠋሢ≧⋞Ṋᒾࠋ
Stop 9 Uh ᆅ༊ࠋMesenpal㸦࢞࢖ࢻ࡟ࡼࡿ࡜ Kitttiapas㸧㞟ⴠෆࡢ࿘ᅇ㐨㊰ἢ࠸㟢㢌ࠋᾏഃ㟢㢌࡛ࡣሢ≧⋞Ṋᒾࡢᐃ᪉఩ᒾ▼ヨᩱࢆ᥇ྲྀࡋࡓ㸦PNY03㸧ࠋᒣഃ㟢㢌࡛ࡣ Si ࡟ᐩࡴࢺࣛ࢝࢖ࢺ㉁࡛ࡸࡸ㉥ࡃࢳࢱ࣮ࣥ࢜ࢪࣕ࢖ࢺࢆྵࡴ࡜ᛮࢃࢀࡿ⋞Ṋᒾࡢᐃ᪉఩ᒾ▼ヨᩱࢆ᥇ྲྀ㸦PNY04㸧
ࠋ
Stop 10 Stop 9 ࡢᩘⓒ࣓࣮ࢺࣝᮾࡢ࿘ᅇ㐨㊰ἢ࠸㟢㢌ࠋ㈏ධࡋࡓ࡜ᛮࢃࢀࡿᒾ▼ࠋᐃ᪉఩ᒾ▼ヨᩱࢆ᥇ྲྀࡋࡓ㸦PNY05㸧
ࠋ
Stop 11 Madolenihmw ᆅ༊ࡢ Areu ༙ᓥ௜㏆ࠋ࿘ᅇ㐨㊰࠿ࡽᾏ᪉ྥ࡬ྥ࠿࠺㐨㊰ࡢ㌴୧㏻⾜㝈⏺Ⅼ௜㏆ࠋ♟ᒾࠋ
Stop 12 Madolenihmw ᆅ༊ࡢ Mesihsou ௜㏆ࠋ࿘ᅇ㐨㊰ἢ࠸ࡢ㟢㢌ࠋ┤ᚄ 50 cm ⛬ᗘࡢ኱ࡁ࡞
ᰕ≧⠇⌮ࡀⓎ㐩ࡋࡓ㟢㢌ࠋᐃ᪉఩ᒾ▼ヨᩱࢆ᥇ྲྀࡋࡓ㸦PNY06㸧
ࠋ
Stop 13 Madolenihmw ᆅ༊ࡢ Keproi ⁪ࠋᰕ≧⠇⌮ࡢⓎ㐩ࡋࡓ⋞Ṋᒾࠋᐃ᪉఩ᒾ▼ヨᩱࢆ᥇ྲྀࡋࡓ㸦PNY07㸧
ࠋ
Stop 14 Kiti ᆅ༊ࡢ Rohi ௜㏆ࡢ⁪ࠋ⋞Ṋᒾ࠾ࡼࡧ㉥〓Ⰽࡢจ⅊ᒾ㉁♟ᒾࠋᐃ᪉఩࠾ࡼࡧ㠀ᐃ᪉఩ᒾ▼ヨᩱࢆ᥇ྲྀࡋࡓ㸦PNY08ࠊPNY09㸧
ࠋ
Stop 15 Kiti ᆅ༊ࡢ Sahwartik ⁪ࠋ㉥〓Ⰽࡢจ⅊ᒾࠋ
Stop 16 Nett ᆅ༊ࡢ Sapwtik ᓥࠋ⯪╔ࡁሙࡢᒾ♋ࠋሢ≧⋞Ṋᒾ࠾ࡼࡧᒙ≧࡛⠇⌮ࡢⓎ㐩ࡋࡓ⋞Ṋᒾࠋᐃ᪉఩ᒾ▼ヨᩱࢆ᥇ྲྀࡋࡓ㸦PNY10ࠊPNY11㸧ࠋ
Stop 17 Sokehs ᆅ༊࡜ Kiti ᆅ༊ࡢቃ⏺ࡢ Dolen Pwakorokot㸦Chicken Shit Mountain㸧ࠋẚ㧗⣙80m ࡢⅆᒣᒾ㢕ࠋ㡬ୖ࡛ᰕ≧⠇⌮ࡢⓎ㐩ࡋࡓ⋞Ṋᒾࡢᐃ᪉఩ᒾ▼ヨᩱࢆ᥇ྲྀࡋࡓ
㸦PNY12㸧ࠋ63
Occurrence of Volcanic Rocks and Their Paleomagnetic Property in Pohnpei Island, the Federated States of Micronesia

Stop 18 Uh ᆅ༊ࡢ Pahntakaiࠋᓴࡢୗ㒊ࡀᾐ㣗ࡉࢀ࡚⁪ࡢ⫼ᚋ࡟ᕧ኱࡞✵㛫ࡢ࠶ࡿሙᡤࠋቨ㠃࡟ᒙ≧࡟ᒾ▼ࡀศᕸࡍࡿࡢࡀ☜ㄆ࡛ࡁࡓࠋୗ㒊ࡢሢ≧⋞Ṋᒾࡢᐃ᪉఩ᒾ▼ヨᩱࢆ᥇ྲྀࡋࡓ㸦PNY13ࠊPNY14㸧
ࠋ
Stop 19 Madolenihmw ᆅ༊ࡢ Takaiuh ࡜࿧ࡤࢀࡿⅆᒣᒾ㢕ࠋᓥෆࡢ⋞Ṋᒾ࡟ẚ࡭࡚᫂⅊Ⰽ࡛ᩳ㛗▼ࠊᶤḘ▼ࢆྵࡴࠋᐃ᪉఩ᒾ▼ヨᩱࢆ᥇ྲྀࡋࡓ㸦PNY15㸧
ࠋ
Stop 20 Takaiuh ࡢ⬥ࠋ⅊Ⰽ࡛ᙅ࠸ᰕ≧⠇⌮ࡢⓎ㐩ࡋࡓ⋞Ṋᒾࠋᐃ᪉఩ᒾ▼ヨᩱࢆ᥇ྲྀࡋࡓ
㸦PNY16㸧
ࠋ
Stop 21 Madolenihmw ᆅ༊ࡢ Temwen ᓥ໭➃ࠋⅆ○ὶሁ✚≀ࠋᒙ≧ᵓ㐀ࢆ࿊ࡋ࡚࠾ࡾࠊ⣭໬ᒙ⌮ࡶㄆࡵࡽࢀࡿࠋ㉮ྥഴᩳࡣ N75E26Nࠋ

ࡲ࡜ࡵ࣏ࣥ࣌࢖ᓥ࡛ࡢᆅ㉁ㄪᰝ࡟ࡼࡾࠊᓥࢆᵓᡂࡍࡿᒾ▼ࡀඛ⾜◊✲࡛ᣦ᦬ࡉࢀࡓ㏻ࡾኚ໬࡟
ᐩࡴࡶࡢ࡛࠶ࡿ஦ࡀ᫂ࡽ࠿࡜࡞ࡗࡓࠋᒣయࢆᵓᡂࡍࡿ⁐ᒾὶ࡟ࡳࡽࢀࡿሢ≧࠶ࡿ࠸ࡣᰕ≧⠇⌮ࡢⓎ㐩ࡋࡓ⋞Ṋᒾࡢ௚ࠊStop 9 ࡛ࡳࡽࢀࡓࢺࣛ࢝࢖ࢺ㉁࡜ᛮࢃࢀࡿᒾ▼ࠊStop 19 ࡢ
Takaiuh ࡛ࡳࡽࢀࡓ᫂⅊Ⰽࡢᒾ▼࡞࡝ࡀᣲࡆࡽࢀࡿࠋࡉࡽ࡟㖄┤᪉ྥ࡟㛤ࡅࡓ㟢㢌࡛ࡼࡃほᐹ

Stop 6 (PNY02)
Stop 17 (PNY12)ᅗ 1 㟢㢌␒ྕ㸦Stop-㸧࠾ࡼࡧヨᩱ᥇ྲྀᆅⅬ㸦PNY-㸧64
KITAMURA Yujin

ࡉࢀࡓⅆᒣ⅊㉁ࡢሁ✚≀ࠊStop 21 ࡛ほᐹࡉࢀࡓⅆ○ὶሁ✚≀࡞࡝ⅆᒣᛶሁ✚≀ࡢᏑᅾࡶㄆࡵ
ࡽࢀࡓࠋ≉࡟ⅆ○ὶሁ✚≀ࡣỈ୰࡛ሁ✚ࡋࡓࡶࡢ࡜ᛮࢃࢀࠊ௒ᅇほᐹࡉࢀࡓᒾ▼ࡢ୰࡛ࡶ␗ᙬࢆᨺࡗ࡚࠸ࡿࠋࡇࡢỈ୰ⅆ○ὶሁ✚≀ࡣࡇࢀࡲ࡛ⅆ○ୣ㸦tuff cone㸧࡜ࡋ࡚グ㍕ࡉࢀ࡚
࠸ࡓࡶࡢ࡛ࠊ௒ᅇ᪂ࡓ࡞Ⓨぢ࡛࠶ࡿࠋ௒ᚋࠊࡇࢀࡽࡢᒾ▼ヨᩱࡢヲ⣽࡞໬Ꮫ⤌ᡂศᯒࡸྂᆅ☢ẼᏛⓗศᯒࢆ⾜࠺஦࡛ࠊᒾ▼Ꮫⓗᡂᅉㄽࡸ⁐ᒾࡢྠ᫬௦ᛶࠊ఩⨨࡞࡝࡟ࡘ࠸࡚ࡢ᝟ሗࢆ᳨ウࡋࠊ࣏ࣥ࣌࢖ᓥᙧᡂࡢ㐣⛬ࠊࡦ࠸࡚ࡣ࢝ࣟࣜࣥㅖᓥࡢᙧᡂࡢ㐣⛬࡟㛵ࡍࡿ▱ぢࡀᚓࡽࢀࡿࡇ࡜ࡀᮇᚅࡉࢀࡿࠋ

ㅰ㎡⌧ᆅㄪᰝ࡟࠶ࡓࡾࠊMinistry of Land and Natural Resources ࡜ Conservation Society of Pohnpei࠿ࡽࡣ඲㠃ⓗ࡞༠ຊࢆ㡬࠸ࡓࠋ࢞࢖ࢻࡢ Relio Ặ࡟ࡣ㟢㢌ࢆ᱌ෆࡋ࡚㡬ࡁࠊ⌧ᆅ࡛ࡢ౽ᐅࢆ
ᅗࡗ࡚㡬࠸ࡓࠋDanny Rosenkrans Ặ࡟ࡣ㈗㔜࡞㟢㢌ࡸᆅ㉁ࡢ᝟ሗࢆᥦ౪ࡋ࡚㡬࠸ࡓࠋHafiz Ur
Rehman ༤ኈ࡟ࡣㄪᰝ࣭ヨᩱ᥇ྲྀ࡛࠾ୡヰ࡟࡞ࡗࡓࠋᒣᮏ᐀❧༤ኈࠊἙྜ῱༤ኈ࡟ࡣㄪᰝࡢ
௻⏬࣭ᡭ㓄࡛኱ኚ࠾ୡヰ࡟࡞ࡗࡓࠋࡇࢀࡽࡢ᪉ࠎ࡟ㅰពࢆ⾲ࡍࡿࠋཧ⪃ᩥ⊩
DIXON, T. H., BATIZA, R., FUTA, K. and MARTIN, D. 1984. Petrochemistry, Age and Isotopic
Composition of Alkali Basalts from Ponape Island, Western Pacific. Chemical Geology, 43: 1-28.
ᒾ⏕࿘୍ 1941㸬ෆ༡ὒ࣏ࢼ࣌ᓥ㞯グ㸬ᆅᏛ㞧ㄅ㸪53㸦8㸧
㸸341-350㸬
KAISER, E. 1903. Beitrage zur Petrographie und Geologie der Deutschen Sudsee Inseln. Jahrbuch die
Koniglich Preussischen Geol. Landesanstalt und Bergakademie, 24: 91-121 (in German).
KEATING, B. H., MATTEY, D. P., HELSLEY, C. E., NAUGHTON, J. J., EPP, D., LAZAREWICZ, A. and
SCHWANK, D. 1984a. Evidence for a Hot Spot Origin of the Caroline Islands. Journal ofGeophysical Research, 89: 9937-9948.
KEATING, B. H., MATTEY, D. P., NAUGHTON, J. J. and HELSLEY, C. E. 1984b. Age and Origin of TrukAtoll, Eastern Caroline Islands: Geochemical, Radiometric-Age, and Paleomagnetic Evidence.
Geological Society of America Bulletin, 95: 350-356.
MCCOY, M. D. and ATHENS, J. S. 2012. Sourcing the Megalithic Stones of Nan Madol: An XRF Studyof Architectural Basalt Stone from Pohnpei, Federated States of Micronesia. Journal of PacificArcheology, 3(1): 105-114.
REHMAN, H. U., NAKAYA, H. and KAWAI, K. 2013. Geological Origin of the Volcanic Islands of the
Caroline Group in the Federated States of Micronesia, Western Pacific. South Pacific Studies, 33:
101-118.
SPENGLER, S. R., PETERSON, F. L. and MINK, J. F. 1992. Geology and Hydrogeology of the Island of
Pohnpei, Federated States of Micronesia. Technical Report No. 189, 79 pp., Water Resources
Research Center, University of Hawai`i at Manoa, USA.
ྜྷ஭ṇᩄ 1936㸬༡ὒㅖᓥ㠀▼⅊ᒾ▼␐グ㸬ᮾ໭ᖇᅧ኱Ꮵ⌮Ꮵ㒊ᆅ㉁Ꮵྂ⏕≀Ꮵᩍᐊ◊✲㑥ᩥሗ࿌㸪22㸸1-50㸬

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南太平洋海域調査研究報告 No.56（2015年3月）
OCCASIONAL PAPERS No.56（March 2015）࣑ࢡࣟࢿࢩ࢔㐃㑥࣏ࣥ࣌࢖ᓥ࡟࠾ࡅࡿ
₻㛫ᖏ࡟⏕ᜥࡍࡿᕳ㈅࢟ࣂ࢔࣐࢞࢖ Nerita plicata ࡢ⏕ᜥ⎔ቃ࡜ẆⰍከᵝᛶ࡟㛵ࡍࡿ◊✲Ἑྜ ῱

Shell Color Polymorphism of Intertidal Gastropod
Nerita plicata in Pohnpei Island,
the Federated States of Micronesia
KAWAI Kei㮵ඣᓥ኱Ꮫᅜ㝿ᓥᕋᩍ⫱◊✲ࢭࣥࢱ࣮Research Center for the Pacific Islands, Kagoshima University

せ᪨࢟ࣂ࢔࣐࢞࢖ࡣ࢖ࣥࢻኴᖹὒࡢ₻㛫ᖏୖ㒊ࡢᒾ♋ᇦ࡟ᗈࡃศᕸࡍࡿᕳ㈅࡛ࠊࡇࡢ௰㛫ࡣⓑⰍࡢẆࢆᣢࡘࡶࡢ࡜Ẇ⾲࡟㯮Ⅼࢆ♧ࡍࢱ࢖ࣉࡀ࠶ࡿࡇ࡜ࡀሗ࿌ࡉࢀ࡚࠸ࡿࠋࡇࡢㄪᰝ࡛ࡣ࣑ࢡࣟࢿࢩ࢔㐃㑥࣏ࣥ࣌࢖ᕞࡢ
࣏ࣥ࣌࢖ᮏᓥ࡜㏆ࡃࡢᓥ࡟࠾࠸࡚ 2014 ᖺ 8 ᭶࡟㔝እほᐹࢆ⾜ࡗࡓࠋࡑࡢ⤖ᯝࠊ࣏ࣥ࣌࢖࡛ほᐹࡉࢀࡓ࢟ࣂ
࢔࣐࢞࢖࡟ࡣ 3 ࡘࡢẆⰍ㸦ⓑⰍࠊ୍㒊⦤ᶍᵝࠊ඲㒊⦤ᶍᵝ㸧ࡢࢱ࢖ࣉࡀほᐹࡉࢀࡓࠋࡇࡢከᵝᛶ࡟ᙳ㡪ࡍࡿࡶࡢ࡜ࡋ࡚㑇ఏⓗ࡞せᅉ࡜⎔ቃⓗ࡞せᅉࡀ⪃࠼ࡽࢀࡿࠋ

ἢᓊᇦࡢᒾ♋ᇦࡣ ᗘኚ໬ࡀ⃭ࡋ࠸ࡀࠊከࡃࡢ⏕≀ࡀࡑࡢ⎔ቃ࡟㐺ᛂࡋ⏕ᜥࢆࡋ࡚࠸ࡿࠋ
࢟ࣂ࢔࣐࢞࢖ Nerita plicata ࡣ࢖ࣥࢻኴᖹὒࡢ₻㛫ᖏୖ㒊ࡢᒾ♋ᇦ࡟ᗈࡃศᕸࡍࡿᕳ㈅࡛࠶ࡿ
ࠋࡇࡢ௰㛫ࡣⓑⰍࡢẆࢆᣢࡘࡶࡢ࡜Ẇ⾲࡟㯮Ⅼࢆ♧ࡍࢱ࢖ࣉࡀ࠶
㸦࢔࣎ࢵࢺ࣭ࢲࣥࢫ 1985㸧ࡿࡇ࡜ࡀሗ࿌ࡉࢀ࡚࠸ࡿ㸦࢔࣎ࢵࢺ࣭ࢲࣥࢫ 1985, NEVILLE 2003㸧
ࠋ࢟ࣂ࢔࣐࢞࢖࡜⏕ᜥࡍࡿ
ᇶ㉁ࡢⰍ࡜ࡢ㛵ಀࢆゎ᫂ࡍࡿࡓࡵࠊ࣑ࢡࣟࢿࢩ࢔㐃㑥࣏ࣥ࣌࢖ᕞࡢ࣏ࣥ࣌࢖ᮏᓥ࡜໭す㒊࡟఩⨨ࡍࡿ㏆ࡃࡢᓥ࠾ࡼࡧᓥ㛫࡟ぢࡽࢀࡿ኱ᆺࡢᒾ࡟࠾࠸࡚ 2014 ᖺ 8 ᭶࡟㔝እほᐹࢆ⾜ࡗࡓࠋ࢟ࣂ࢔࣐࢞࢖ࡢ㈅Ẇ࡜ࡑࡢ⏕ᜥᇶ㉁ࢆ୍⥴࡟෗┿࡟᧜ࡾࠊ◊✲ᐊ࡟ᣢࡕᐤࡾࠊẆࡢከᵝᛶ࡜
ࡑࡢᇶ㉁࡜ࡢ㛵ಀ࡟ࡘ࠸࡚ㄪᰝࢆ⾜ࡗࡓࠋ

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KAWAI Kei

ᅗ 1 ほᐹࡉࢀࡓ⦤ࡀẆ඲య࡟ぢࡽࢀࡿࢱ࢖ࣉ㸦a㸧࡜ⓑⰍࡢࢱ࢖ࣉ㸦b㸧࣏ࣥ࣌࢖࡛ほᐹࡉࢀࡓ࢟ࣂ࢔࣐࢞࢖࡟ࡣ 3 ࡘࡢẆⰍ㸦ⓑⰍࠊ୍㒊⦤ᶍᵝࠊ඲㒊⦤ᶍᵝ㸧ࡢࢱ࢖ࣉࡀほᐹࡉࢀࡓ㸦ᅗ 1㸧ࠋ୍⯡࡟ἢᓊᇦ࡛ࡣᇶ㉁ࡢⰍࡣᵝࠎ࡛࠶ࡿࡀࠊẆࡢⰍࡣⓑⰍಶయࡀከࡃࢆ༨ࡵ࡚࠸ࡓࠋ⌧᫬Ⅼ࡛ࡣࠊᇶ㉁࡜㈅Ẇࡢከᵝᛶ࡜ࡢ㛵ಀ࡟ࡘ࠸࡚ࡣ᫂☜࡞ഴྥࡣ♧ࡉࢀ࡚࠸࡞࠸ࠋ2010 ᖺࡢ࣏ࣥ࣌࢖ᓥ࡛ࡢㄪᰝ࡟࠾࠸࡚ࡶ 3 ࢱ࢖ࣉࡢẆከᵝᛶࡀほᐹࡉࢀࠊྠᵝࡢഴྥࡀほᐹࡉࢀࡓࠋࡑࡋ࡚ࠊ2010 ᖺ࡛ࡣᮏᓥࡢ㏆ࡃࡢᑠᓥ࡟࠶ࡿሙᡤ࡛ࡣ඲
ᇦ࡛㯮Ⰽࡢᒾࡀほᐹࡉࢀࠊࡑࡇࡢ࢟ࣂ࢔࣐࢞࢖ࡢẆⰍࡣ୍㒊⦤ᶍᵝࠊ඲㒊⦤ᶍᵝࡀ࡯࡜ࢇ࡝࡛ࠊⓑⰍࡢ㈅Ẇಶయࡣ࡯࡜ࢇ࡝ほᐹࡉࢀ࡞࠿ࡗࡓࠋ௒ᅇࡢㄪᰝ࡛ࡣࡇࡢࡼ࠺࡞ഴྥࡣほᐹࡉࢀࡎࠊఱ➼࠿ࡢせᅉࡀẆⰍ࡟኱ࡁࡃᙳ㡪ࢆ୚࠼࡚࠸ࡿࡇ࡜ࡀ♧ࡉࢀࡿࠋ࢟ࣂ࢔࣐࢞࢖ࡣᾋ㐟ᗂ⏕ᮇࢆᣢࡘ࡜⪃࠼ࡽࢀࡿࡓࡵࠊ⊃࠸ᆅᇦ࡛ࡣ㑇ఏⓗ࡟ྠࡌ࡜⪃࠼ࡽࢀࡿࡀࠊ」㞧࡞ᆅᙧࡸ⾜ືᵝᘧ࡞࡝ࡀ࠶ࡿ࡜ẚ㍑ⓗ㏆࠸ᆅᇦ࡛ࡶ㧗࠸㑇ఏⓗከᵝᛶࡀ⥔ᣢࡉࢀࡿࠋᚑࡗ࡚ࠊ௒ᅇほᐹࡉࢀࡓ࣏ࣥ࣌࢖ᮏᓥ࡟࠾ࡅࡿẆⰍࡢ㐪࠸ࡣࠊఱࡽ࠿ࡢ⎔ቃせᅉ࡟㉳ᅉࡋࡓ㑅ᢥᅽࡀ⛶㈅ᮇ࡟ᙳ㡪ࡋࡇࡢᵝ࡞ẆⰍࡢኚ␗ࢆᘬࡁ㉳ࡇࡋࡓྍ⬟ᛶ㸦e.g.,MANRÍQUEZ et al. 2009㸧ࠊ࠶ࡿ࠸ࡣ」㞧࡞㑇ఏᏊὶືࡀࡇࡢᆅᇦ࡟ࡣ࠶ࡾࠊࡇࡢせᅉࡀᘬࡁ㉳ࡇࡋࡓྍ⬟ᛶ㸦e.g., GUERRA-VARELA et al. 2009㸧ࡢ୧᪉ࡀ⪃࠼ࡽࢀࡿࠋ

ᘬ⏝ᩥ⊩࢔࣎ࢵࢺ R. T.࣭ࢲࣥࢫ S. P.㸦Ἴ㒊ᛅ㔜࣭ዟ㇂ႛྖ┘ヂ㸧 1995㸬ୡ⏺ᾏ⏘㈅㢮኱ᅗ㚷㸪443
㡫㸪ᖹซ♫㸪ᮾி㸬GUERRA-VARELA, J., COLSON, I., BACKELJAU, T., BREUGELMANS, K., HUGHES, R. N. and
ROLAN-ALVAREZ, E. 2009. The Evolutionary Mechanism Maintaining Shell Shape and MolecularDifferentiation between Two Ecotypes of the Dogwhelk Nucella lapillus. Evolutionary Ecology,
23: 261-280.
MANRÍQUEZ, P. H., LAGOS, N. A., JARA, M. E. and CASTILLA, J. C. 2009. Adaptive Shell Colour
Plasticity during the Early Ontogeny of an Intertidal Keystone Snail. Proceedings of the National
Academy of Sciences, 106: 16298-16303.
NEVILLE, C. 2003. 2002 Sea Shells: Catalogue of Indo-Pacific Mollusca, 144 pp., Neville Coleman’s
Underwater Geographic Pty Ltd, Australia.

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南太平洋海域調査研究報告 No.56（2015年3月）
OCCASIONAL PAPERS No.56（March 2015）࣏ࣥ࣌࢖ᕞ࠾ࡼࡧࢳ࣮ࣗࢡᕞ࡟࠾ࡅࡿࣈࣘࡢ⏕ᜥㄪᰝ኱ሯ 㟹

Survey of Blackfly Fauna in Pohnpei and Chuuk States
OTSUKA Yasushi㮵ඣᓥ኱Ꮫᅜ㝿ᓥᕋᩍ⫱◊✲ࢭࣥࢱ࣮Research Center for the Pacific Islands, Kagoshima University

せ᪨྾⾑᪻⹸࡛࠶ࡿࣈࣘࡣࠊ࣑ࢡࣟࢿࢩ࢔㐃㑥࡛ࡣࢳ࣮ࣗࢡᕞ࡟࠾࠸࡚ Simulium trukense ࡢ 1 ✀ࡢࡳࡀ▱ࡽࢀࡿࡔࡅ࡛࠶ࡿࠋ௒ᅇࠊ࣏ࣥ࣌࢖ᓥࡢᕝ࡞࡝ࡢὶỈ⣔࡟࠾࠸࡚ࣈࣘࡢ⏕ᜥㄪᰝࢆ⾜ࡗࡓࠋࣈࣘࡢ⏕ᜥ࡟㐺ࡍࡿὶࢀࡣከࡃ࠶ࡗࡓࡀࠊࡑࡢὶỈᇦ࡟ࣈࣘࡣ☜ㄆ࡛ࡁ࡞࠿ࡗࡓࠋࡲࡓࠊࢳ࣮ࣗࢡᕞࡢ Weno ᓥ࡜ Tonowas
ᓥ࡛ࡣ S. trukense ࡢ⏕ᜥࢆ☜ㄆࡋࡓࠋSimulium trukense ࡀᒓࡍࡿ Inseliellum ளᒓࡢᆅ⌮ⓗศᕸࡢ≉ᚩࢆ᳨ウ
ࡋࡓࠋ

ࡣࡌࡵ࡟
ࣈࣘࡣ࢔ࣇࣜ࢝ࡸ୰༡⡿࡛ࡣࣄࢺ࢜ࣥࢥࢭࣝ࢝⑕ࢆ㉳ࡇࡍ Onchocerca volvulus ࢆ፹௓ࡍࡿ
ࡇ࡜ࡀ▱ࡽࢀ࡚࠸ࡿࠋ௚࡟ࡶື≀ࠊ㫽ࡢࣇ࢕ࣛࣜ࢔ࡸ࢘࢖ࣝࢫࢆ፹௓ࡍࡿࡇ࡜࠿ࡽࠊࣈࣘࡣ
་Ꮫⓗࡲࡓࡣ⋇་Ꮫⓗ࡟㔜せ࡞྾⾑᪻⹸࡛࠶ࡿࠋ࣑ࢡࣟࢿࢩ࢔㐃㑥࡛ࡣࢳ࣮ࣗࢡᕞ࡟࠾࠸࡚
Simulium trukense ࡢ 1 ✀ࡢࡳࡀ▱ࡽࢀࡿࡔࡅ࡛࠶ࡿࡢ࡛ࠊ௒ᅇ࣏ࣥ࣌࢖ᕞ࣏ࣥ࣌࢖ᓥ࡟
࠾࠸࡚ࣈࣘࡀ⏕ᜥࡋ࡚࠸ࡿ࠿࡝࠺࠿ࢆㄪᰝࡋࡓࠋ

᪉ἲ
2014 ᖺ 8 ᭶ 4 ᪥࠿ࡽ 8 ᪥࡟࣏ࣥ࣌࢖ᕞ࣏ࣥ࣌࢖ᓥࡢ NettࠊMadokenihmwࠊKitti ᆅ༊ࡢỈ⣔㸦⁪ࠊᕝࠊᑠᕝ㸧㸦ᶆ㧗 10㹼120mࠊᕝᖜ 0.2㹼20mࠊỈ 24㹼26°C㸧࡛ὶỈ୰ࡢỈⲡࠊᮌࡢᯞࠊ▼࡞࡝࡟௜╔ࡍࡿࣈࣘࡢᗂ⹸ࡲࡓࡣ⻈ࢆ᥈ࡋࡓࠋࡲࡓࠊᑐ↷࡜ࡋ࡚ࢳ࣮ࣗࢡᕞࡢ
Weno ᓥ࡜ Tonowas ᓥ࡛ࡶࣈࣘࡢ᥇㞟ࢆ⾜ࡗࡓࠋ68
OTSUKA Yasushi⤖ᯝ࡜⪃ᐹ௒ᅇㄪᰝࢆ⾜ࡗࡓ࣏ࣥ࣌࢖ᓥ࡛ࡣࣈࣘࡢ⏕ᜥ࡟ࡣዲ᮲௳࡜ᛮࢃࢀࡿἙᕝࡀከࡃᏑᅾࡍࡿࡶࠊ
ᗂ⹸ࡸ⻈ࡣぢࡘ࠿ࡽ࡞࠿ࡗࡓࠋ୍᪉ࠊࢳ࣮ࣗࢡᕞ Weno ᓥࡢ 3 ⟠ᡤࠊTonowas ᓥࡢ 2 ⟠ᡤࡢἙᕝ඲࡚࡟ S. trukense ࢆ᥇㞟ࡍࡿࡇ࡜ࡀ࡛ࡁࡓࠋࡇࢀࡲ࡛ࠊࢳ࣮ࣗࢡᕞ࡛ࡣ Weno ᓥ࡜ Tolᓥ࡛ࡢࡳศᕸࡀ▱ࡽࢀ࡚࠸ࡓࡢࡳࡔࡗࡓࡢ࡛ࠊTonowas ᓥ࡛ࡣึࡢグ㘓࡜࡞ࡿ㸦ᅗ 1㸧
ࠋSimulium trukense ࡀᒓࡍࡿ Simulium ᒓ Inseliellum ளᒓࡣ࣑ࢡࣟࢿࢩ࢔࡛ࡣࢳ࣮ࣗࢡᕞ௨እ
࡛ࡣࢢ࢔࣒࡟ศᕸࡋ࡚࠸ࡿࠋࡉࡽ࡟ࠊInseliellum ளᒓࡣ㐲ࡃ࣏ࣜࢿࢩ࢔ࡢࢯࢩ࢚ࢸㅖᓥࠊ
ࢡࢵࢡㅖᓥࠊ࣐࣮ࣝ࢟ࢬㅖᓥ࡟ࡑࡢศᕸࢆᗈࡆ࡚࠸ࡿࠋCRAIG et al.㸦2001㸧ࡣ Inseliellumளᒓࡢศᕸࢆᓥᕋࡢᆅ㉁ࡢṔྐ࡜㛵㐃࡙ࡅ࡚ㄽࡌ࡚࠸ࡿࠋࡑࡢ୰࡛⣔⤫ⓗ࡟♽ඛ⣔࡜ࡉࢀࡿ✀ࡣྂ࠸ᓥ࡟ศᕸࡋࠊὴ⏕ⓗ࡞✀ࡣ᪂ࡋࡃ࡛ࡁࡓᓥ࡟ศᕸࡋ࡚࠸ࡿࠋSimulium trukense ࡣ⣔⤫ⓗ࡟ࡣ♽ඛ⣔࡜ࡉࢀࠊࢳ࣮ࣗࢡᕞࡶ 10.9Mya㸦14.8㹼4.0Mya㸧࡜ Inseliellum ளᒓࡀศᕸ
ࡋ࡚࠸ࡿᓥࡢ୰࡛ࡣྂ࠸ᓥࠎ࡛࠶ࡿࠋࢢ࢔࣒ࡣ 33.2Mya㸦43.8㹼13.5Mya㸧࡜ࡉࡽ࡟ྂ࠸ᓥ࡛ࠊ
ศᕸࡍࡿ S. guamense ࡶ♽ඛ⣔࡛࠶ࡿࠋᑐࡋ࡚ࠊ࣏ࣥ࣌࢖ᓥࡣ 5.2Mya㸦8.6㹼3.0Mya㸧࡜᪂ࡋ࠸ᓥ࡛࠶ࡿࠋCRAIG et al.㸦2001㸧ࡣ࣑ࢡࣟࢿࢩ࢔࡟ Inseliellum ளᒓࡢ♽ඛࡀศᕸࢆ
ᗈࡆࡓࡢࡀ 20Mya ࡜᥎ ࡋ࡚࠸ࡿࠋࡑࡢᚋࢢ࢔࣒ࠊࢳ࣮ࣗࢡᕞ࡛ศᕸࢆᗈࡆࡓࡀࠊ࣏ࣥ࣌࢖
ᓥࡲ࡛ศᕸࡀᗈࡀࡽ࡞࠿ࡗࡓࡢࡣᆅ㉁ࡢṔྐⓗ࡞せᅉ࡟ࡼࡿࡢ࠿ࡶࡋࢀ࡞࠸ࠋ
ࡓࡔࠊ࣏ࣥ࣌࢖ᓥࡣࢳ࣮ࣗࢡᕞࡢᓥࠎ࡟ẚ࡭࡚ᶆ㧗ࡀ㧗࠸㸦Tol ᓥ 446mࠊ
࣏ࣥ࣌࢖ᓥ 772m㸧
ࠋࣈࣘࡣ⎔ቃࡢ␗࡞ࡿ㧗ᆅ࡟ࡣ␗࡞ࡿࣈࣘ✀ࡀ⏕ᜥࡍࡿሙྜࡀ࠶ࡿࡢ࡛ࠊ௒ᅇ࡛ࡁ࡞࠿ࡗࡓ
㧗ᆅ࡛ࡢㄪᰝࢆ⾜࠸ࣈࣘࡢ⏕ᜥࡢ᭷↓ࢆ௒ᚋ☜ㄆࡋࡓ࠸ࠋ

ᅗ1

Simulium trukense ࡢ⻈㸦ᕥ㸧࠾ࡼࡧ㞤ᡂ⹸㸦ྑ㸧ᘬ⏝ᩥ⊩
CRAIG, D. A., CURRIE, D. C. and JOY, D. A. 2001. Geographical History of the Central – Western PacificBlack Fly Subgenus Inseliellum (Diptera: Simuliidae: Simulium) Based on a Reconstructed
Phylogeny of the Species, Hot-Spot Archipelagoes and Hydrological Considerations. Journal of
Biogeography, 28: 1101-1127.

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南太平洋海域調査研究報告 No.56（2015年3月）
OCCASIONAL PAPERS No.56（March 2015）࣏ࣥ࣌࢖ᕞ࠾ࡼࡧࢳ࣮ࣗࢡᕞ࡟࠾ࡅࡿ㣗஦ㄪᰝᒣᮏ᐀❧Dietary Patterns in Pohnpei and Chuuk States
YAMAMOTO Sota

㮵ඣᓥ኱Ꮫᅜ㝿ᓥᕋᩍ⫱◊✲ࢭࣥࢱ࣮Research Center for the Pacific Islands, Kagoshima University

せ᪨࣑ࢡࣟࢿࢩ࢔㐃㑥࡛ࡣࠊ1950 ᖺ௦ࡲ࡛࠸ࢃࡺࡿࠕఏ⤫ⓗࠖ࡞㣗⏕άࡀႠࡲࢀ࡚࠸ࡓࡀࠊ1960 ᖺ௦࡟࢔࣓ࣜ࢝ྜ⾗ᅜ㎰ົ┬ࡀ⿵ຓ⤥㣗ࣉࣟࢢ࣒ࣛࢆ㛤ጞࡋ࡚௨㝆ࠊࠕ㏆௦ⓗࠖ࡞㣗஦࡟⨨ࡁ᥮ࢃࡗ࡚࠸ࡗࡓ࡜ࡉࢀࡿࠋࡋ࠿ࡋࠊ㣗஦ࡀࠕ㏆௦໬ࠖࡋࡓ࡜ࡣ࠸࠺ࡶࡢࡢࠊࡑࢀࢆ⿬௜ࡅࡿヲ⣽࡞ࢹ࣮ࢱࡣࡇࢀࡲ࡛࡟Ⓨ⾲ࡉࢀ࡚࠸࡞࠸ࠋࡑࡇ࡛ࠊ࣑ࢡࣟࢿࢩ࢔㐃㑥࣏ࣥ࣌࢖ᕞࣆࣥࢤࣛࢵࣉᓥ࠾ࡼࡧ
ࢳ࣮ࣗࢡᕞࣆࢫ࣭ࣃࢿ࢘ᓥ࡟࠾࠸࡚㣗஦ㄪᰝࢆ࠾ࡇ࡞ࡗࡓࠋ୧ᓥ࡟࠾࠸࡚ࣃࣥࣀ࢟ࡸࣂࢼࢼࠊ
Ⱎ㢮ࠊᾏ⏘≀ࡢᾘ㈝㢖ᗘࡀ㧗࠿ࡗࡓࠋࣆࢫ࣭ࣃࢿ࢘ᓥ࡟࠾࠸࡚ࡣ㍺ධ㣗ရ࡛࠶ࡿ⡿ࡸ㨶ࡢ⨁ワࠊ
༶ᖍ㯝ࡢᾘ㈝㢖ᗘࡶྠᵝ࡟㧗࠿ࡗࡓࠋࣆࢫ࣭ࣃࢿ࢘ᓥࡣࢳ࣮ࣗࢡᕞࡢ୺ᓥ࡛࠶ࡿ࢙࢘ࣀᓥ࡟㏆ࡃࠊ
㍺ධ㣗ရࢆධᡭࡋࡸࡍ࠸ࡀࠊࣆࣥࢤࣛࢵࣉᓥࡣ࣏ࣥ࣌࢖ᕞࡢ୺ᓥ࡛࠶ࡿ࣏ࣥ࣌࢖ᓥ࡬ࡢ஺㏻஦᝟
ࡀᝏࡃࠊࡼࡾࠕఏ⤫ⓗࠖ࡞㣗⏕άࢆႠࢇ࡛࠸ࡿ࡜ᛮࢃࢀࡓࠋ

ࡣࡌࡵ࡟࣑ࢡࣟࢿࢩ࢔㐃㑥࡛ࡣࠊ1950 ᖺ௦ࡲ࡛࠸ࢃࡺࡿࠕఏ⤫ⓗࠖ࡞㣗⏕ά㸦ࣃࣥࣀ࢟ࡸ
Ⱎ㢮ࠊࣂࢼࢼࠊᾏ⏘≀࡞࡝㸧ࡀႠࡲࢀ࡚࠸ࡓࡀ㸦MURAI 1954㸧
ࠊ1960 ᖺ௦࡟࢔࣓ࣜ࢝
ྜ⾗ᅜ㎰ົ┬ࡀ⿵ຓ⤥㣗ࣉࣟࢢ࣒ࣛࢆ㛤ጞࡋ࡚௨㝆ࠊࠕ㏆௦ⓗࠖ࡞㣗஦㸦⡿ࡸᑠ㯏⢊ࠊ◁⢾ࠊ⬡⫫ศ࡟ᐩࡴ㣗ရࠊ㍺ධຍᕤ㣗ရ࡞࡝㸧࡟⨨ࡁ᥮ࢃࡗ࡚࠸ࡗࡓ࡜ࡉࢀࡿ
㸦ENGLBERGER et al. 2003㸧
ࠋ㣗஦ࡢ㏆௦໬࡟క࠸ࠊ⢾ᒀ⑓ࡸ㧗⾑ᅽࠊᚰ⮚⑌ᝈ࡞࡝ࡢ
㔜኱࡞೺ᗣၥ㢟ࢆᢪ࠼ࡿࡇ࡜࡟࡞ࡗࡓ㸦e.g., 㔝ᮧࡽ 2005㸧
ࠋࡑࡢࡓࡵࠊ㍺ධ㣗ရ࡜ẚ࡭࡚࢝ࣟࢸࣥ㢮ࡸࣅࢱ࣑ࣥ㢮ࢆࡼࡾከࡃ᭷ࡍࡿᆅඖ㣗ᮦࡢ฼⏝ࠊࡑࡋ࡚ከᵝ࡞ⶰ⳯㢮ࡢᑟධࡀᨻᗓࡸ NGO ࡟ࡼࡗ࡚ዡບࡉࢀ࡚ࡁࡓ㸦ENGLBERGER et al. 2009㸧ࠋࡋ࠿ࡋࠊ㣗஦ࡀࠕ㏆௦໬ࠖࡋࡓ࡜ࡣ࠸࠺ࡶࡢࡢࠊࡑࢀࢆ⿬௜ࡅࡿヲ⣽࡞ࢹ࣮ࢱࡣࡇࢀࡲ࡛࡟
Ⓨ⾲ࡉࢀ࡚࠸࡞࠸ࠋࡑࡇ࡛ࠊ࣑ࢡࣟࢿࢩ࢔㐃㑥࣏ࣥ࣌࢖ᕞࣆࣥࢤࣛࢵࣉᓥ࠾ࡼࡧ
ࢳ࣮ࣗࢡᕞࣆࢫ࣭ࣃࢿ࢘ᓥ࡟࠾࠸࡚ヲ⣽࡞㣗஦ㄪᰝࢆ࠾ࡇ࡞ࡗࡓࠋ

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YAMAMOTO Sota
Pingelap Atoll
1km

Federated States ofMicronesia

Deke I.
Sukoru I.
Pingelap I.

Chuuk Atoll

Piis-Paneu I.

Weno I.

Oceania

20km

2000kmᅗ 1 ㄪᰝᆅ

ㄪᰝ᪉ἲ࣑ࢡࣟࢿࢩ࢔㐃㑥࣏ࣥ࣌࢖ᕞࣆࣥࢤࣛࢵࣉᓥ㸦2012 ᖺ 8 ᭶㹼2014 ᖺ 1 ᭶㸧࠾ࡼࡧࢳ࣮ࣗࢡᕞࣆࢫ࣭ࣃࢿ࢘ᓥ㸦2012 ᖺ 9 ᭶㹼2013 ᖺ 8 ᭶㸧࡟࠾࠸࡚㣗஦ㄪᰝࢆ࠾ࡇ࡞
ࡗࡓ㸦ᅗ 1㸧ࠋㄪᰝ⾲ࡢ㡯┠ࡣࠊ୺స≀㸦⡿ࠊࣃࣥࣀ࢟ࠊCyrtosperma merkusiiࠊࣂࢼࢼࠊ
ࡑࡢ௚㸧ࠊᾏ⏘≀㸦㩭㨶ࠊᖸ≀ࠊ⨁ワࠊࡑࡢ௚㸧ࠊ⫗㢮㸦⢭⫗ࠊ⨁ワ㸧
ࠊࡑࡢ௚㸦㯝㢮ࠊ㔝⳯㸧࡜ࡋࡓࠋྛ㡯┠ࡢ㢖ᗘࡣࠊ㣗஦࡟ฟ࡚ࡁࡓᅇᩘ㸭㣗஦ࡢ⥲ᅇᩘ㸦ᮅ࣭᫨࣭ᬌ
᪥ᩘ㸧࡛♧ࡋࡓࠋ

⤖ᯝ࠾ࡼࡧ⪃ᐹ㍺ධ㣗ရ⡿ࡢᾘ㈝㢖ᗘࡣࣆࣥࢤࣛࢵࣉᓥ㸦PLP-A㸸65.7%ࠊPLP-B㸸33.2%ࠊ18 ࢝᭶ᖹᆒ㸧࡟ẚ࡭࡚ࣆࢫ࣭ࣃࢿ࢘ᓥࡢ᪉ࡀ㧗࠿ࡗࡓ㸦PIS-A㸸99.3%ࠊPIS-B㸸96.3%ࠊPIS-C㸸72.1%ࠊ
12 ࢝᭶ᖹᆒ㸹⾲ 1㸧
ࠋ௚ࡢ㍺ධ㣗ရࠊ౛࠼ࡤ㨶ࡢ⨁ワ㸦PLP-A㸸2.8%ࠊPLP-B㸸1.0%ࠊ
PIS-A㸸78.3%ࠊPIS-B㸸34.6%ࠊPIS-C㸸23.4%㸧ࠊ⫗ࡢ⨁ワ㸦PLP-A㸸1.4%ࠊPLP-B㸸0.5%ࠊ
PIS-A㸸52.1%ࠊPIS-B㸸2.3%ࠊPIS-C㸸8.1%㸧
ࠊ༶ᖍ㯝㸦PLP-A㸸22.5%ࠊPLP-B㸸9.9%ࠊ
PIS-A㸸87.4%ࠊPIS-B㸸51.2%ࠊPIS-C㸸43.1%㸧ࡶࣆࣥࢤࣛࢵࣉᓥ࡟ẚ࡭࡚ࣆࢫ࣭ࣃࢿ
࢘ᓥࡢ᪉ࡀᾘ㈝㢖ᗘࡣ㧗࠿ࡗࡓࠋࡇࢀࡣࣆࣥࢤࣛࢵࣉᓥࡢ஺㏻஦᝟࡜㛵ಀࡋ࡚࠸ࡿ࡜
ᛮࢃࢀࡓࠋ࣑ࢡࣟࢿࢩ࢔㐃㑥࡟ࡣᅜෆ㐃⤡⯪ࡀ࠶ࡾࠊẚ㍑ⓗᏳ౯࡟㈌≀ࢆ㐠ࡪࡇ࡜ࡀ࡛ࡁࡿࡀࠊ2012 ᖺ 8 ᭶࠿ࡽ 2013 ᖺ 8 ᭶ࡢ㛫࡟ࣆࣥࢤࣛࢵࣉ⎔♋࡬ࡣ஧ᅇࡋ࠿᮶ᓥࡋ
࡞࠿ࡗࡓࠋ㤳㒔ࡢ࠶ࡿ࣏ࣥ࣌࢖ᓥ࠿ࡽࣆࣥࢤࣛࢵࣉ⎔♋࡬㍍㣕⾜ᶵࡀ୙ᐃᮇ࡟㐠⯟ࡋ࡚࠸ࡿࡀࠊⲴ≀ 1 ࣏ࣥࢻ࡟ࡘࡁ 0.75 ⡿ࢻࣝㄢࡉࢀࠊ㍺㏦㈝ࡀ㠀ᖖ࡟㧗ࡃ࡞ࡿࡓࡵࠊ

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Dietary Patterns in Pohnpei and Chuuk StatesᓥẸࡢ฼⏝ࡣ㝈ᐃⓗ࡛࠶ࡿࠋࡑࢀ࡟ẚ࡭࡚ࠊࣆࢫ࣭ࣃࢿ࢘ᓥࡣ⯪እᶵ௜ࡁࡢᑠᆺ⯪࡛ࢳ࣮ࣗࢡᕞࡢ୺ᓥ࢙࢘ࣀᓥ࡬ 1 ᫬㛫⛬ᗘ࡛⾜ࡃࡇ࡜ࡀྍ⬟࡛࠶ࡿࠋᓥேࡣ㢖⦾࡟࢙࢘ࣀᓥࢆゼࢀࠊ㍺ධ㣗ရࡸ㞧㈌࡞࡝ࢆ㉎ධ࡛ࡁࡿࡓࡵࠊ㍺ධ㣗ရࡢᾘ㈝㢖ᗘࡀ㧗࠸࡜⪃࠼ࡽࢀࡓࠋ

ᓥෆ⏘ࡢస≀࠾ࡼࡧᾏ⏘≀ࡍ࡭࡚ࡢㄪᰝୡᖏ࡟࠾࠸࡚ࣃࣥࣀ࢟ࡢᾘ㈝㢖ᗘࡀ㧗࠿ࡗࡓࠋࡓࡔࡋࠊࣃࣥࣀ࢟ࡢ
฼⏝࡟ࡣᏘ⠇ᛶࡀࡳࡽࢀࡿࡓࡵࠊࣃࣥࣀ࢟ࢆ฼⏝࡛ࡁ࡞࠸࡜ࡁࡣࣂࢼࢼࡸ C. merkusiiࡢ฼⏝㢖ᗘࡀ㧗ࡃ࡞ࡗ࡚࠸ࡓ㸦⾲ 1㸧ࠋ㨶ࡢᾘ㈝㢖ᗘࡣᖺ㛫ࢆ㏻ࡋ࡚࠶ࡲࡾኚືࡏࡎࠊ
㠀ᖖ࡟㧗࠸㢖ᗘ࡛฼⏝ࡋ࡚࠸ࡿࡇ࡜ࡀࢃ࠿ࡗࡓ㸦PLP-A㸸67.4%ࠊPLP-B㸸54.9%ࠊPIS-A㸸
81.1%ࠊPIS-B㸸68.5%ࠊPIS-C㸸69.2%㸧
ࠋ⌧ᅾ࡛ࡶ୧ᓥ࡟࠾࠸࡚ࠕఏ⤫ⓗࠖ࡞㣗⏕άࡀႠࡲࢀ࡚࠸ࡿࡇ࡜ࡀ᫂ࡽ࠿࡜࡞ࡗࡓࠋ
ࣆࢫ࣭ࣃࢿ࢘ᓥ࡜ẚ㍑ࡋ࡚ࠊࣆࣥࢤࣛࢵࣉᓥ࡛ࡣձ㨶ࡢ஝≀ࡸ㈅㢮ࡢ฼⏝㢖ᗘࡀ㠀ᖖ࡟ప࠸ࠊղ⢭⫗ࡢ฼⏝㢖ᗘప࠸ࠊճ㍺ධ㣗ရ㸦≉࡟⨁ワࡸ࢖ࣥࢫࢱࣥࢺ㯝㸧ࢆ࠶ࡲࡾ฼⏝ࡋ࡞࠸ࠊ࡜࠸࠺┦㐪Ⅼࡀࡳࡽࢀࡓࠋࣆࣥࢤࣛࢵࣉᓥࡢ᪉ࡀࡼࡾࠕఏ⤫ⓗࠖ࡞㣗⏕άࢆႠࢇ࡛࠸ࡿ࡜ᛮࢃࢀࡓࠋKAWAI et al.㸦2010, 2011㸧ࡣࠕ࠶ࡿᓥࡀࡼࡾ㒔ᕷ㸦୰ᚰࡢᓥ㸧࡟㏆࠸࡯࡝ࡑࡢᓥࡣࢢ࣮ࣟࣂࣝ໬ࡢᙳ㡪ࢆᙉࡃཷࡅࡸࡍࡃࠊ㏫࡟ࠊ࠶ࡿ
ᓥࡀ㒔ᕷ㸦୰ᚰࡢᓥ㸧࠿ࡽ㐲࠸࡯࡝ࡑࡢᓥ࡟ࡣࡼࡾఏ⤫ⓗ࡞⏕άࡀṧࡿࠖ࡜ᥦゝࡋ࡚࠸ࡿࠋ௒ᅇࡢ㣗஦ㄪᰝࡢ⤖ᯝࡣࡑࡢ௬ㄝࢆᨭᣢࡍࡿ࡜ᛮࢃࢀࡓࠋ
⾲ 1 ࣆࣥࢤࣛࢵࣉᓥ࠾ࡼࡧࣆࢫ࣭ࣃࢿ࢘ᓥ࡟࠾ࡅࡿ㣗஦ㄪᰝ⤖ᯝ㸦%㸧
Pingelap Island
Piis-Paneu Island
Aug. 2012 to Jan. 2014
Sep. 2012 to Aug. 2013(18-month average)(12-month average)
PLP-A
PLP-B
PIS-A
PIS-B
PIS-C
Starchy staples
65.7
33.2
99.3
96.3
72.1
Rice
20.4
13.7
90.2
37.6
77.3
Breadfruit
18.7
16.7
41.5
10.1
13.5
Cyrtosperma
41.2
22.5
62.4
32.6
49.1
Banana
5.2
1.5
66.7
0.0
11.2
OthersMarine resources
67.4
54.9
81.1
68.5
69.2
Fresh fish
0.2
0.1
42.9
34.1
33.4
Dried fish
2.8
1.0
78.3
34.6
23.4
Canned fish
1.2
4.7
42.1
12.2
29.0
Others
Meat
5.4
2.7
27.5
30.5
12.5
Fresh
1.4
0.5
52.1
2.3
8.1
CannedOthers
22.5
9.9
87.4
51.2
43.1
Noodle
1.2
0.1
67.9
0.5
16.5
Vegetable
27.7
9.7
59.7
4.5
11.9
Fruit

72
YAMAMOTO Sotaᘬ⏝ᩥ⊩
ENGLBERGER, L., MARKS, G. C. and FITZGERALD, M. H. 2003. Insights on Food and Nutritionin the Federated States of Micronesia: A Review of the Literature. Public Health
Nutrition, 61: 5-17.
ENGLBERGER, L., SCHIERLE, J., HOFMANN, P., LORENS, A., ALBERT, K., LEVENDUSKY, A.,
PAUL, Y., LICKANETH, E., ELYMORE, A., MADDISON, M., DEBRUM, I., NEMRA, J., ALFRED,
J., VANDER VELDE, N. and KRAEMER, K. 2009. Carotenoid and Vitamin Content ofMicronesian Atoll Foods: Pandanus (Pandanus tectorius) and Garlic Pear (Crataeva
speciosa) Fruit. Journal of Food Composition and Analysis, 22: 1-8.
KAWAI, K., KUWAHARA, S., ONJO, M., NODA, S., NISHIMURA, A., TOMINAGA, S. and
NAGASHIMA, S. 2010. The Influence of Environmental Changes on the Micronesian
Area: A Case Study of Islands in Pohnpei State, Federated States of Micronesia. South
Pacific Studies, 30(2): 23-43.
KAWAI, K., KUWAHARA, S., TERADA, R., TOMINAGA, S., NODA, S. and NAGASHIMA, S. 2011.
Influence of Environmental Changes on the Micronesian Region: Case Study of Islandsin the Yap State, Federated States of Micronesia. South Pacific Studies, 31(2): 57-70.
MURAI, M. 1954. Nutrition Study in Micronesia. Atoll Research Bulletin, 27: 1-239.
㔝ᮧ⚽୍࣭᪂ᐑဴྖ࣭୰⏣⠜⠊࣭Ⲕᒣ୍ᙲ࣭ఀ⸨๛஧࣭ఀ⸨᭷ᓠ 2005㸬࣑ࢡࣟࢿࢩ
࢔㐃㑥ࢳ࣮ࣗࢡᕞᓥẸࡣ⫧‶࣭⢾ᒀ⑓ࡢ㢖ᗘࡀከ࠸㸫2002ࠥ2004 ᖺ࡟࠾ࡅࡿ㞟ᅋ೺デࡢ᳨ウ㸫㸬ᗈᓥ་Ꮫ㸪58㸸562-565㸬

73
南太平洋海域調査研究報告 No.56（2015年3月）
OCCASIONAL PAPERS No.56（March 2015）ࣆࣥࢤࣛࢵࣉᓥࡢ㣴Ꮚไᗘ㸫ᐙ᪘࣭ぶ᪘࣭፧ጻࡢኚᐜ࡜ࡢ㛵ࢃࡾ࡟࠾࠸࡚㸫୰㇂⣧ỤAdoption in the Change of Family, Kinship, and Marriage:
A Case Study of Pingelap Island
NAKATANI Sumie㮵ඣᓥ኱Ꮫᅜ㝿㐃ᦠ᥎㐍ࢭࣥࢱ࣮Center for International Planning, Kagoshima University

せ᪨ࠋ࢜ࢭ࢔ࢽ࢔࡟࠾࠸࡚㣴Ꮚ័⾜ࡣᗈࡃほᐹࡉࢀࠊከࡃࡢே㢮Ꮫ◊✲࡛㆟ㄽࡉࢀ࡚ࡁࡓ㸦NAKATANI 2013㸧ࣆࣥࢤࣛࢵࣉᓥ࡟㛵ࡍࡿඛ⾜◊✲࡟ࡼࢀࡤࠊ┦⥆ࡸ፧ጻ࡞࡝ぶ᪘ไᗘࡣࠊேཱྀቑຍ࡜࡜ࡶ࡟㐍໬ࡋࠊࠋ౛࠼ࡤࠊ஧㔜┦⥆ࡣᓥࡢ㝈ࡽࢀࡓᅵᆅ࡟ከࡃࡢேࡀᬽࡽࡍࡇ࡜ࢆྍ⬟࡟ࡋ࡚ࡁࡓ㸦DAMAS 1983, 1994㸧
ᡤ᭷ᆅࡀ」ᩘಶᡤ࡟ࡕࡽࡤࡿ⤖ᯝ࡟ࡘ࡞ࡀࡿࡀࠊࡑࢀࡀࢭ࢟ࣗࣜࢸ࢕ࡢᙺ๭ࢆᯝࡓࡋ࡚࠸ࡿࠋ࡝ࡇ࠿ࡢ
ᅵᆅࡀሷỈ࡟ࡸࡽࢀ࡚ࡶࠊูࡢ࡜ࡇࢁ࡟Ⱎ㢮ࡢ཰✭ࡀᮇᚅ࡛ࡁࡿࡓࡵ࡛࠶ࡿࠋ㣴Ꮚ័⾜ࡶྠᵝ࡟ᅵᆅࡢ┦⥆࡜⤖ࡧࡘ࠸࡚┒ࢇ࡟⾜ࢃࢀ࡚ࡁࡓࠋᮏ◊✲࡛ࡣࠊࣆࣥࢤࣛࢵࣉᓥࡢ㣴Ꮚ័⾜࡟↔Ⅼࢆ࠶࡚ࠊᓥࡢ
ேཱྀῶᑡ࡜࠸࠺㏆ᖺࡢ≧ἣୗ࡛ᐙ᪘ࡸ፧ጻࠊぶ᪘ไᗘࡢኚᐜ࡟ࡘ࠸࡚᫂ࡽ࠿࡟ࡍࡿ࡜࡜ࡶ࡟ࠊࢥ࣑ࣗࢽ
ࢸ࢕ࡢ⥔ᣢ࣭Ⓨᒎࡢ᪉ྥᛶࢆ⪃ᐹࡍࡿࠋ࣑ࢡࣟࢿࢩ࢔㐃㑥࣏ࣥ࣌࢖ᕞ࡟ྵࡲࢀࡿࣆࣥࢤࣛࢵࣉ⎔♋ᓥࡣࠊ௚ࡢ࣑ࢡࣟࢿࢩ࢔ࡢ
ᓥࠎ࡜ྠᵝ࡟ 1960 ᖺ௦࡟ᛴ⃭࡞ேཱྀቑຍࢆ⤒㦂ࡋࠊࡑࡢᚋ 80 ᖺ௦௨㝆ࡣ㏫࡟⛣ఫ࡟ࡼࡿேཱྀῶᑡࡀ࠾ࡁ࡚࠸ࡿࠋ⌧ᅾࠊᅵᆅᡤ᭷⪅ࡢከࡃࡣᓥ࡟ᒃఫࡋ࡚࠾ࡽࡎࠊⲨࢀ࡚ᨺᲠࡉࢀ
ࡿᅵᆅࡀቑ࠼࡚࠸ࡿࠋࢲ࣐ࢫ㸦DAMAS 1994㸧ࡀ࠸࠺ࡼ࠺࡟ࠊᓥࡀᨭ࠼ࡿேཱྀ࡜ぶ᪘ไᗘ㸦┦⥆ࡸ፧ጻࡸ㣴Ꮚ࡞࡝㸧ࡀ⤖ࡧࡘ࠸࡚㐍໬ࡋ࡚ࡁࡓ࡜ࡍࢀࡤࠊ⌧ᅾࡢ㐣␯໬࡟࠾࠸࡚ࡇࢀࡽ
ࡢࢩࢫࢸ࣒ࡶኚ໬ࢆవ൤࡞ࡃࡉࢀ࡚࠸ࡿ࡜⪃࠼ࡽࢀࡿࠋ
௒ᖺᗘ࡟ᐇ᪋ࡋࡓࣆࣥࢤࣛࢵࣉᓥ࡛ࡢணഛⓗ࡞⪺ࡁྲྀࡾㄪᰝ࡟࠾࠸࡚ࠊ㣴Ꮚ័⾜ࡣ
60 ᖺ௦ࡲ࡛ࡈࡃ୍⯡ⓗ࡟ࠊぶ᪘㛫࡛┒ࢇ࡟⾜ࢃࢀ࡚࠸ࡓࡇ࡜ࡀ᫂ࡽ࠿࡟࡞ࡗࡓࠋ㣴Ꮚ࡟ࡣࠊ㣴⫱ࢆ┠ⓗ࡜ࡍࡿࡶࡢ㸦naiyapar㸧࡜ᅵᆅࡢศ୚ࢆ┠ⓗ࡜ࡍࡿࡶࡢ㸦pwekpwek㸧ࡢ஧㏻ࡾ
ࡀ࠶ࡿࡀࠊ㏆ᖺࡣ≉࡟ᚋ⪅ࡢࢱ࢖ࣉࡢ㣴Ꮚࡀぢࡽࢀ࡞ࡃ࡞ࡗ࡚࠸ࡿࠋ㣴Ꮚ័⾜ࡢኚ໬ࡣࠊ
୺࡜ࡋ࡚ேཱྀᅽࡢၥ㢟ࡸᅵᆅ┦⥆ไᗘ࡞࡝⤒῭ⓗ࡞せ⣲࠿ࡽㄝ᫂ࡍࡿࡇ࡜ࡀྍ⬟࡛࠶ࡿࡀࠊ

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NAKATANI Sumie

୧ぶ࡜Ꮚ౪࠿ࡽ࡞ࡿすḢⓗ㏆௦ᐙ᪘ࡢᴫᛕࡀࠊ࢟ࣜࢫࢺᩍࡢᕸᩍ࡜࡜ࡶ࡟ࣆࣥࢤࣛࢵࣉ
♫఍࡟ᾐ㏱ࡋ࡚࠸ࡗࡓࡇ࡜ࡶᙳ㡪ࡋ࡚࠸ࡿ࡜ᛮࢃࢀࡿࠋ௒ᚋࠊࣆࣥࢤࣛࢵࣉ♫఍ࡢぶ᪘㛵ಀࡢヲ⣽ࢆㄪᰝࡋࠊேࠎࡢ♫఍ⓗࢿࢵࢺ࣮࣡ࢡࡢᗈࡀࡾࠊࡑࡢᶵ⬟ࡢᐇែࢆ᫂ࡽ࠿࡟ࡍࡿ
ணᐃ࡛࠶ࡿࠋ㣴Ꮚ័⾜࡟↔Ⅼࢆ࠶࡚࡞ࡀࡽᐙ᪘ࡸぶ᪘ࠊ፧ጻไᗘࡢኚᐜࢆぢࡿࡇ࡜ࢆ㏻ࡋ
࡚ࠊ᭱⤊ⓗ࡟ࡣࠊᓥࡢேཱྀࡢῶᑡࠊ⛣ືࡢၥ㢟࡟ࡘ࠸࡚⪃ᐹࡍࡿࠋࣆࣥࢤࣛࢵࣉᓥ࠿ࡽእ࡬ࡢ⛣ఫࡀጞࡲࡗࡓࡢࡣࠊ20 ୡ⣖ึ㢌ࡢࡇ࡜࡛࠶ࡾࠊ1960 ᖺ௦࡟ࡣ࣏ࣥ࣌࢖ᮏᓥࡢࢥࣟࢽ࣮࡬ࡢ⛣ఫࡀ኱つᶍ࡟ぢࡽࢀࡓࠋ࣑ࢡࣟࢿࢩ࢔ࡀ⡿ᅜࡢಙク⤫἞㡿࡛࠶ࡿࡇ࡜࠿ࡽࠊ㏆ᖺࡣከࡃࡢேࠎࡀࢢ࢔࣒ࡸࢧ࢖ࣃࣥࡸྜ⾗ᅜᮏᅵ࡬࡜⛣ືࡋ࡚࠸ࡿࠋࡇ࠺ࡋࡓᅜቃࢆ㉺࠼ࡿ㏆ᖺࡢ⛣ືࡣࠊᩥ໬ே㢮Ꮫ࡟࠾࠸࡚ࡣࠊࢺࣛࣥࢫࢼࢩࣙࢼࣝ
◊✲ࡢᯟ⤌ࡳ࡛㆟ㄽࡉࢀ࡚ࡁࡓࠋ౛࠼ࡤࠊ㏆ᖺࡢ⛣ືࡣࢢ࣮ࣟࣂࣝ࡞ᨻ἞⤒῭ᵓ㐀࡜ࡢ㛵ಀ࡛ㄝ᫂ࡉࢀࠊಶேࡸୡᖏࡢᡓ␎࡜ࡋ࡚ࠊኚ໬࡬ࡢ஺΅㐣⛬࡜ࡋ࡚ㄽࡌࡽࢀ࡚ࡁࡓࠋ
ࡋ࠿ࡋࠊ⛣ືࡍࡿᮏேࡸ⛣ఫ⪅ࢆ㍮ฟࡍࡿୡᖏࢆ◊✲ᑐ㇟࡜ࡍࡿࡔࡅ࡛ࡣࠊᓥ࡟ṧࡉࢀࡓ㠀⛣ఫ⪅ࢆ᰾࡜ࡍࡿࣆࣥࢤࣛࢵࣉࡢேࠎࠊࡘࡲࡾṧࡉࢀࡓഃࡢேࠎࡀᏲࡗ࡚࠸ࡃࠕᆅᇦ♫఍ࠖࡸࠕぶ᪘㞟ᅋࠖ඲య࡟࡜ࡗ࡚ࡢ⛣ఫࡢព࿡ࢆ⌮ゎࡍࡿࡇ࡜ࡀ࡛ࡁ࡞࠸ࠋ
ᐇ㝿ࠊࣆࣥࢤࣛࢵࣉᓥ࡟࡜ࡗ࡚ࠊࡇࢀ௨ୖᨺᲠᆅࡀࡩ࠼ࡿ࡜ᆅᇦ♫఍ࡢᬽࡽࡋࡣᡂࡾ❧ࡓ࡞ࡃ࡞ࡿᠱᛕࡀ࠶ࡾࠊᐙ᪘ࡸぶ᪘ࡢඹ᭷㈨※㸦ᐙᒇࠊⰞ㢮ࡢ⏿ࠊࢥࢥࣖࢩࠊࣃࣥࣀ࢟➼㸧ࡢ฼⏝࣭⟶⌮࣭ᡤ᭷ࢆࡵࡄࡿၥ㢟ࡣࠊ⛣ఫ⪅࡜㠀⛣ఫ⪅ࡢ཮᪉࡟࡜ࡗ࡚ᠱ᱌ࡢ஦㡯࡜࡞ࡗ࡚࠸ࡿࠋཪࠊ⛣ఫ⪅ࡢከࡃࡣࠊᆅ⌮ⓗ✵㛫ࢆ㉺࠼࡚ࠊᅵᆅᡤ᭷ࡸぶ᪘㛵ಀࠊ፧ጻ࡟ࡼࡿࡘ
࡞ࡀࡾ࡞࡝ᵝࠎ࡞㛵ಀࢆ⥔ᣢࡋ⥆ࡅ࡚࠾ࡾࠊࣆࣥࢤࣛࢵࣉᆅᇦ♫఍ࡣᓥ࡜࠸࠺ᆅ⌮ⓗ✵㛫ࢆ㉺࠼࡚Ꮡᅾࡋ࡚࠸ࡿࠋ
ᮏ◊✲ࡣࠊ⛣ఫ⪅ࡶྵࡵࡓࠕࢺࣛࣥࢫ࣮࣭ࣟ࢝ࣝࣆࣥࢤࣛࢵࣉ࣭ࢥ࣑ࣗࢽࢸ࢕ࠖࡢேࠎ
࡟࡜ࡗ࡚ࡢ⛣ఫࢆ⪃ᐹࡍࡿࡇ࡜ࢆ᭱⤊┠ⓗ࡜ࡍࡿࠋලయⓗ࡟ࡣࠊ1㸧௒᪥ࡢ⤒῭ࢩࢫࢸ࣒ୗ
࡛ࠊ⏕Ꮡࡢࡓࡵࡢ㈨※ࡢከࡃࡀᓥእ࡟౫Ꮡࡋࠊᓥࡢேཱྀࡀῶᑡࡋ࡚࠸ࡿ୰࡛ࠊᐙ᪘ࡸぶ᪘ࡢࢩࢫࢸ࣒ࠊ≉࡟ᅵᆅ┦⥆࡜㛵ࢃࡿ፧ጻࡸ㣴Ꮚ័⾜ࡀ࡝ࡢࡼ࠺࡟ኚ໬ࡋ࡚࠸ࡿࡢ࠿ࢆㄪᰝ
ࡋࠊ᪂ࡓ࡞⤒῭ࢩࢫࢸ࣒࡬ࡢᐙ᪘ࡸ፧ጻࡸぶ᪘ࡢࢩࢫࢸ࣒ࡢᑐᛂࢆ᫂ࡽ࠿࡟ࡍࡿࠋ2㸧ࢢ࣮ࣟࣂࣝ໬ࡢ୰࡛ࠊேࡢ⛣ືࡸ᝟ሗఏ㐩ࡀⴭࡋࡃᐜ᫆࡟࡞ࡗࡓࡇ࡜࡛ࠊᆅ⌮ⓗ✵㛫ࢆ㉺࠼࡚ᗈࡀࡿࣆࣥࢤࣛࢵࣉࡢேࠎࡢࡘ࡞ࡀࡾࠊࢿࢵࢺ࣮࣡ࢡࢆ᪂ࡓ࡞♫఍㈨ᮏ࡜ࡋ࡚ᤊ࠼ࠊேࠎ
ࡀ♫఍ⓗࢿࢵࢺ࣮࣡ࢡࢆά⏝ࡋ࡚ࠊᓥࡢᅵᆅࡸ᳜≀࡞࡝ࡢ⮬↛㈨※ཬࡧࠊఏ⤫つ⠊ࡸ▱㆑ࡸᢏ⬟࡞࡝ᩥ໬㈨※ࢆྵࡴࢥ࣑ࣗࢽࢸ࢕ࡢඹ᭷㈨※ࢆ࡝ࡢࡼ࠺࡟⥔ᣢࡋ࡚࠸ࡃࡢ࠿ࠊ
ࠕࢺࣛࣥࢫ࣮࣭ࣟ࢝ࣝࣆࣥࢤࣛࢵࣉ࣭ࢥ࣑ࣗࢽࢸ࢕ࠖࡢⓎᒎࡢ᪉ྥᛶࢆ௻ᅗࡍࡿࠋᘬ⏝ᩥ⊩DAMAS, D. 1983. Demography and Kinship as Variables of Adoption in the Carolines. American
Ethnologist, 10(2): 328-344.
DAMAS, D. 1994. Bountiful Island: A Study of Land Tenure on a Micronesian Atoll, 272 pp., Wilfrid
Laurier University Press, Canada.
NAKATANI, S. 2013. Adoption in the Changes of Family, Kinship, and Marriage: A Comparative
View Based on Studies in Micronesia and India. Occasional Papers (Kagoshima University
Research Center for the Pacific Islands), 53: 51-59.

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南太平洋海域調査研究報告 No.56（2015年3月）
OCCASIONAL PAPERS No.56（March 2015）ࠑ↓ព࿡ࠒ࡞࢜ࣈࢪ࢙࡜ࡋ࡚ࡢఏ⤫ᕤⱁရ㸫࣑ࢡࣟࢿࢩ࢔㐃㑥࣏ࣥ࣌࢖ᓥ࡟࠾ࡅࡿ
࢝ࣆ࣐ࣥ࢞ࣛࣥࢠ⣔ఫẸࡢࣁࣥࢻࢡࣛࣇࢺάື࠿ࡽ㸫㬼ᡞ⪽Traditional Crafts as “Meaningless” Objet:
A Case of Handcraft Activities
by Kapingamarangi People in Pohnpei Island
UDO Satoshi㮵ඣᓥ኱ᏛἲᩥᏛ㒊
Faculty of Law, Economics and Humanities, Kagoshima University

せ᪨࣑ࢡࣟࢿࢩ࢔㐃㑥࣏ࣥ࣌࢖ᓥࡢ࣏࣮࣮ࣥࣛ࢟ࢻᮧ࡟࠾࠸࡚࢝ࣆ࣐ࣥ࢞ࣛࣥࢠ⣔ఫẸࡢᕤⱁရࢆ
ㄪᰝࡋࡓࠋ࣏ࣥ࣌࢖ᓥ࡟⮬⏕ࡍࡿ࣐ࣥࢢ࣮ࣟࣈࡸ࣐࣍࢞ࢽ࣮࡞࡝ࡢᮌᮦࡸ㇟∳ᳰᏊࡢ✀Ꮚࢆ⏝࠸࡚ࠊᾏὒ⏕≀ࡸࢺ࢝ࢤࠊ㔮ࡾ㔪ࠊఏ⤫ⓗ࡞ᕹ࠿ࡅ࢝ࢾ࣮࡞࡝ࢆ㇟ࡗࡓ᙮้ࡀ㈍኎ࡉࢀ࡚࠸ࡓࠋ
⦅ࡳ㣭ࡾࡣࠊࢥࢥࣖࢩࡢᖿࡢඛ➃ࡢⱝ࠸⧄⥔ࢆ↻࡚⬺Ⰽࡋࡓⓑ࠸ࡦࡶࢆྠᚰ෇≧࡟⦅ࢇࡔ୍✀ࡢ⤌⣣⣽ᕤ࡛ࠊࡋࡤࡋࡤ࢔ࢡࢭࣥࢺ࡜ࡋ࡚ࣃࣥࢲࢾࢫࡢⴥ࠿ࡽసࡗࡓ↔ⲔⰍࡢࡦࡶࢆΰࡐࠊᐆ㈅ࢆ
࠶ࡋࡽࡗ࡚⨾ࡋ࠸ᗄఱᏛᶍᵝࢆసࡾࡔࡋ࡚࠸ࡓࠋ࢝ࣆ࣐ࣥ࢞ࣛࣥࢠࡢᕤⱁရࡣࠊ኎㈙࡬▷⤡ⓗ࡟⤖ࡧࡘ࠸ࡓࡶࡢ࡜ゝ࠺ࡼࡾࡣࠊ⩦័໬ࡉࢀࡓ↓ᚰࡢ〇స⾜Ⅽࡢ⤖ᯝ࡜ࡋ࡚⏕ࡌࡿࡢ࡛࠶ࡾࠊࡑࡢ
⾜Ⅽࡶ⤖ᯝࡶ㐣ᗘ࡟ព࿡ࢆၥࢃࢀࡿࡇ࡜ࡣ࡞࠸ࠋࡑࡢᮦ㉁ࡸᙧ㇟࡟ࡼࡗ࡚ࡉࡲࡊࡲ࡞ព࿡ࢆㄏⓎࡋࡘࡘࠊࡋ࠿ࡶࡑࡢព࿡ࢆ⌧ໃ໬ࡍࡿゝㄝࢆ๐ࡂⴠ࡜ࡉࢀ࡚࠸ࡿࡀࡺ࠼࡟ࠊព࿡ࡢⓎ⏕ࡍࡿ୍Ṍᡭ๓ࠊព࿡⏕ᡂࡢ㜈࡟❧ࡕࡎࡉࢇ࡛࠸ࡿࠋ

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UDO Satoshi࣑ࢡࣟࢿࢩ࢔㐃㑥ࡢ㤳㒔ࣃ࣮ࣜ࢟ࣝࡀ⨨࠿ࢀࡓ࣏ࣥ࣌࢖ᓥࡢ໭す㒊ࠊᓊቨࡢୖ࡟
ᣅ࠿ࢀࡓ࣏࣮࣮ࣥࣛ࢟ࢻᮧ㸦Pohnrakied/Porakiet㸧ࡣࠊ᪥ᮏ⤫἞᫬௦ࡢ 20 ୡ⣖ึ㢌࡟ࠊ㐶࠿༡᪉ࡢ࢝ࣆ࣐ࣥ࢞ࣛࣥࢠ⎔♋࠿ࡽ⛣ఫࡋࡓேࠎࡢࢥ࣑ࣗࢽࢸ࢕࡛࠶ࡿ 1ࠋ࢝ࣆ࣐ࣥ࢞ࣛࣥࢠ⎔♋ࡣᖺ 4 ᅇࡢᐃᮇ⯪࡛∦㐨 3 ᪥ࢆせࡍࡿൢ㐲ࡢᏙᓥ࡛࠶ࡿࡶࡢ
ࡢࠊ࣑ࢡࣟࢿࢩ࢔ᆅᇦ࡟࠾ࡅࡿ࣏ࣜࢿࢩ࢔⣔ࡢ㣕ࡧᆅ࡜ࡋ࡚▱ࡽࢀ࡚࠾ࡾ㸦࠸ࢃࡺࡿࠕ㎶ቃ࣏ࣜࢿࢩ࢔ࠖ㸧ࠊ࣏࣮࣮ࣥࣛ࢟ࢻᮧࡣᅾእ࢝ࣆ࣐ࣥ࢞ࣛࣥࢠேࡢ㞟ఫᆅ࡜ࡋ࡚
⊂⮬ࡢゝㄒࡸ⩦័ࢆಖᣢࡋ࡚࠸ࡿࠋࡇࡢᮧࡢ≉⏘ࡣ࢝ࣆ࣐ࣥ࢞ࣛࣥࢠ⎔♋ࡼࡾఏ࠼ࡽ
ࢀࡓᕤⱁရ࡛࠶ࡿࡀࠊࡑࢀࡣ᙮้సရ࡜⦅ࡳ㣭ࡾ࡟኱ูࡉࢀࠊ๓⪅ࡣ⏨ᛶࠊᚋ⪅ࡣዪᛶ࡟ࡼࡗ࡚〇సࡉࢀ࡚࠸ࡿ 2ࠋ᙮้ࡣ࣏ࣥ࣌࢖ᓥ࡟⮬⏕ࡍࡿ࣐ࣥࢢ࣮ࣟࣈࡸ࣐࣍࢞ࢽ࣮ࢆ⏝࠸࡚኱ᑠࡉࡲࡊࡲ࡞
ᾏὒ⏕≀㸦࡜ࡾࢃࡅࢧ࣓㹙hogoulu㹛࣭࢖ࣝ࢝㹙gonau㹛࣭ࢡࢪࣛ㹙tohora㹛࣭࣓࣭࢝࢝ࢪ
࣐࢟ࢢࣟ㹙takura㹛࡞࡝㸧ࢆ㇟ࡗࡓࡶࡢ࡛ࠊᮌᮦࢆษࡾฟࡋࠊ㛓࡛኱ࡁࡃᙧࢆᩚ࠼ࡓ
ᚋ࡟ࠊ㠀ᖖ࡟୹ᛕ࡟ࣖࢫࣜࡀࡅࢆࡋ࡚᏶ᡂࡉࡏࡿࠋࡼࡾᑠࡉ࡞సရ࡜ࡋ࡚ࡣࠊ㇟∳ᳰᏊࡢ✀Ꮚ㸦ࡑࡢྡࡢ㏻ࡾࡸࡸ㟷ࡳࡀ࠿ࡗࡓஙⓑⰍࢆࡋࡓⰏࡸ࠿࡞⣲ᮦ㸧ࢆ࢖࣭ࣝ࢝
ࢺ࢝ࢤ㸦kimo㸧࣭㔮ࡾ㔪㸦matau㸧࣭ࢱࢥ㸦bilibili㸧࡞࡝ࡢᙧ࡟᙮ࡾฟࡋࡓࡶࡢࡀ࠶ࡾࠊ
㯮࠸ࡦࡶࢆ㏻ࡋ࡚࣌ࣥࢲࣥࢺ࡟ࡍࡿ㸦ᮦᩱࡀᑠࡉ࠸ࡓࡵࠊࡲࡔ║ࡢⰋ࠸ⱝ⪅ࡀ≉࡟ࡇࢀࢆసࡿ࡜ࡢࡇ࡜㸧ࠋࡲࡓࠊ⣽ᕤ≀࡜ࡋ࡚ࠊఏ⤫ⓗ࡞ᕹ࠿ࡅ࢝ࢾ࣮㸦waka㸧ࡢᶍᆺࡶᑡᩘ〇సࡉࢀ࡚࠸ࡿࠋ
⦅ࡳ㣭ࡾࡣࠊࢥࢥࣖࢩࡢᖿࡢඛ➃ࡢⱝ࠸⧄⥔ࢆ↻࡚⬺Ⰽࡋࡓⓑ࠸ࡦࡶࢆྠᚰ෇≧࡟⦅ࢇࡔ୍✀ࡢ⤌⣣⣽ᕤ࡛ࠊࡋࡤࡋࡤ࢔ࢡࢭࣥࢺ࡜ࡋ࡚ࣃࣥࢲࢾࢫࡢⴥ࠿ࡽసࡗࡓ↔ⲔⰍࡢࡦࡶࢆΰࡐࠊᐆ㈅ࢆ࠶ࡋࡽࡗ࡚⨾ࡋ࠸ᗄఱᏛᶍᵝࢆసࡾࡔࡍࠋᑠࡉ࡞ࡶࡢࡣ࣓࢝
ࢆ㇟ࡿࡇ࡜ࡀከࡃࠊࡋࡤࡋࡤ⏥⨶ࢆ❧యⓗ࡟⦅ࡳࠊࣃࣥࢲࢾࢫ࡛Ⰽࢆຍ࠼ࡘࡘ୰ᚰ࡟㈅ࢆ㓄ࡍࡿ㸦ᐆ㈅ࡣⰍ࡜ᙧࡢ㞄᥋ᛶ࡟ᇶ࡙ࡃ⏥⨶ࡢ᥮႘࡛࠶ࡿ㸧ࠋ኱ࡁ࡞ࡶࡢࡣቨ㣭ࡾ࡜ࡋ࡚〇సࡉࢀࠊࣃࣥࢲࢾࢫ࣭ᐆ㈅࡟ຍ࠼ࠊ᫬࡟ࡣ࢖ࣝ࢝࡞࡝ࡢᮌ᙮࣮ࣞࣜࣇࡀ
ᔐࡵ㎸ࡲࢀࡿࡇ࡜ࡶ࠶ࡿࠋ1

GONIWIECHA㸦2009㸧࡟ࡼࢀࡤࠊ3 ᖺ⥆࠸ࡓ᪭㨧࡟ࡼࡗ࡚⣙ 90 ேࡢṚ⪅ࡀฟࡓࡓࡵࠊ1918 ᖺ࡟ᙜᒁࡀ

⣙ 90 ேࢆ࣏ࣥ࣌࢖࡟⛣ఫࡉࡏࡓࠋ⌧ᅾ࡛ࡣ 1,000 ேࢆ㉺࠼ࡿఫẸࡀᬽࡽࡋ࡚࠾ࡾࠊ࢝ࣆ࣐ࣥ࢞ࣛࣥࢠ
⎔♋ࡢேཱྀ⣙ 600 ࢆ㐶࠿࡟ୖᅇࡗ࡚࠸ࡿࠋ࡞࠾ࠊᡓ᫬୰ࡢ࢝ࣆ࣐ࣥ࢞ࣛࣥࢠ⎔♋࡟ࡣࣃࣉ࢔ࢽ࣮ࣗࢠ
ࢽ࢔᪉㠃࡟ྥ࠿࠺⤥Ἔᇶᆅࡀ⨨࠿ࢀ㸦࣏ࣥ࣌࢖ࡼࡾࡶࣛࣂ࢘ࣝ࡟ 100 ࣐࢖ࣝ࡯࡝㏆࠸㸧ࠊ⌧ᅾࡶᙜ᫬ࡢ㑇≀ࡸᡓ㊧ࡀṧࡿࠋࡲࡓࠊࢭࣥࢭ࢖㸦sensei㸧ࠊࢡ࣐ࣝ㸦kulumaa㸧ࠊ࣮ࣜࣖ࢝㸦liaga㸧࡞࡝ࡢ᪥ᮏ
ㄒࡶṧᏑࡋ࡚࠸ࡿ࡜࠸࠺ࠋ࡞࠾ Outer Islands of Pohnpei: Factsheets and Maps ࡛ࡣ࢝ࣆ࣐ࣥ࢞ࣛࣥࢠ
⎔♋ࡢேཱྀࡣ 350 ࡜࡞ࡗ࡚࠾ࡾࠊ࣏࣮࣮ࣥࣛ࢟ࢻᮧࡢேཱྀࡶ➹⪅ࡢ⪺ࡁྲྀࡾ࡛ࡣ 700㹼800 ࡜࠸࠺⟅࠼ࡀከ࠿ࡗࡓࠋ
2ࡇࡇ࡛ࡣ࣏࣮࣮ࣥࣛ࢟ࢻᮧ࡛〇స࣭㈍኎ࡉࢀ࡚࠸ࡿᅵ⏘≀ࡢࡳࢆྲྀࡾୖࡆࡿࡀࠊࡑࡢእ࡟ࠊࢥࢥࣖࢩ

ࡢ⧄⥔ࡸࣃࣥࢲࢾࢫࡢⴥ࡛⦅ࢇࡔᖗᏊࡸ࣐ࢵࢺ࡞࡝ࠊከᙬ࡞᪥⏝ᕤⱁရࡶ࢝ࣆ࣐ࣥ࢞ࣛࣥࢠ⎔♋࡛〇సࡉࢀ࡚࠾ࡾࠊࡑࡢヲ⣽ࡣ BUCK㸦1950㸧ࡸ HAMNETT㸦1970㸧࡟ヲࡋ࠸ࠋ

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Traditional Crafts as“Meaningless”Objet: A Case of Handcraft Activities by Kapingamarangi People in Pohnpei Islandࡇࢀࡽࡢᕤⱁရࡢ㈍኎ᡤ࡜ࡋ࡚ࡣࠊ⏫ࡢ┠ᢤࡁ㏻ࡾ࡟ẚ㍑ⓗ኱ࡁ࡞ᅵ⏘≀ᗑ Simon
Market ࡀ୍㌺࠶ࡿ࡯࠿ࠊ࣏࣮࣮ࣥࣛ࢟ࢻᮧෆ࡟ࡶ኱ᑠ஧㌺ࡢᅵ⏘≀ᗑ࠾ࡼࡧ༶኎ᡤ
ࢆවࡡࡓᕤᡣ㸦8 ᫬࠿ࡽ 23 ᫬ࡈࢁࡲ࡛㐺ᐅᐤࡾ㞟ࡲࡗ࡚సᴗࡋ࡚࠸ࡿ࡜࠸࠺㸧ࡀ୍㌺࠶ࡿࠋࡋ࠿ࡋࠊࢢ࢔࣒࡞࡝࡟ẚ࡭࡚࣑ࢡࣟࢿࢩ࢔⾜ࡁࡢ⯟✵㐠㈤ࡣᴟࡵ࡚㧗್࡛࠶ࡿࡓࡵࠊࢲ࢖ࣅࣥࢢࡸᡓ㊧ࢶ࢔࣮࡟ከᑡࡢ㟂せࡀ࠶ࡿእࡣࠊほගᴗࡣ㠀ᖖ࡟⬤ᙅ࡛࠶ࡾࠊ
ᅵ⏘≀ࢆ㉎ධࡍࡿほගᐈࡣ⤯ᑐⓗ࡟୙㊊ࡋ࡚࠸ࡿࠋ⦅ࡳ㣭ࡾࡣᓥෆࡢබⓗ᪋タࡸ࣍ࢸࣝࠊࣞࢫࢺࣛࣥ࡞࡝࡛ቨ᥃ࡅ࡜ࡋ࡚⏝࠸ࡽࢀ࡚࠾ࡾࠊ࣑ࢡࣟࢿࢩ࢔ᅜෆ࡛ࡢ㟂せࡀ࠶ࡿ⛬ᗘぢ㎸ࡵࡿࡶࡢࡢࠊ㔜ࡃ࠿ࡉࡤࡿ᙮้సရࢆ㉎ධࡍࡿࡢࡣẚ㍑ⓗᖺ㓄ࡢእᅜேࡀከ࠸࡜ࡢࡇ࡜࡛࠶ࡾࠊࡑࡢ኎ࢀ⾜ࡁࡣ࠿࡞ࡾపㄪ࡛࠶ࡿࠋࡑࡶࡑࡶᮧෆࡢ㈍኎ᡤ࡟
ࡣᗑဨࡀᖖ㥔ࡋ࡚࠾ࡽࡎࠊࡲࢀ࡟ᐈࡀ᮶ࡿ࡜ㄡ࠿ࡀᗑ୺㸦࠶ࡿ࠸ࡣࡑࡢᐙ᪘㸧ࢆ࿧ࡧ࡟࠸ࡃ࡜࠸࠺≧ἣ࡛࠶ࡿࠋ➹⪅ࡣㄪᰝ୰࡟୍ᗘࡔࡅ࣐࣮ࢩࣕࣝㅖᓥ࠿ࡽࣂࢫࢣࢵࢺࡢ
ヨྜ࡟ゼࢀࡓዪᏊ㧗⏕ࡓࡕ࡟ᕤᡣ࡛㐼㐝ࡋࡓࡀࠊ࣑ࢽࣂ࡛ࣥ┤᥋஌ࡾࡘࡅࡓᙼዪࡓࡕ
ࡣࠊ࡯ࢇࡢ 10 ศ࡯࡝࡛࣌ࣥࢲࣥࢺࡢࡳ㉎ධࡋ࡚࠶ࡗ࡜࠸࠺ࡲ࡟ཤࡗ࡚⾜ࡗࡓࠋᡭ㛫࡜᫬㛫ࡀ࠿࠿ࡿୖ࡟኎ࢀࡿぢ㎸ࡳࡶᑡ࡞࠸࡜ࡍࢀࡤࠊ᙮้సရࢆ〇సࡍࡿ࡜࠸࠺⾜Ⅽ࡟ࡣ࠸ࡗࡓ࠸࡝ࡢࡼ࠺࡞ព⩏ࡀぢ࠸ࡔࡏࡿࡢ࡛࠶ࢁ࠺࠿ࠋࡑࡶࡑࡶ⌧㔠཰ධࡢᡭẁࡀ㝈ࡽࢀ࡚࠸ࡿࡺ࠼࡟ࠊ㈍኎ࡢྍ⬟ᛶࡀᑡࡋ࠶ࡿࡔࡅ࡛ࡶ↓ព࿡࡛ࡣ࡞࠸ࡔࢁ
࠺ࡋࠊ࢝ࣆ࣐ࣥ࢞ࣛࣥࢠ࣭ࢥ࣑ࣗࢽࢸ࢕ࡢෆ㒊࡛ᖺ㛗⪅ࡢ᥼ຓࢆཷࡅ࡞ࡀࡽ⮬ศࡢ࣮࣌ࢫ࡛సᴗࢆ⾜࠺ࡇ࡜ࡣࠊእ㒊࡟ാࡁ࡟ฟࡿࡼࡾࡣ⢭⚄ⓗ㈇ᢸࡢᑡ࡞࠸௙஦࡛ࡶ
࠶ࡿࡔࢁ࠺ࠋᩍ఍ࡢ┠ࡢ๓ࡢᕤᡣ࡛ࢥ࣮ࣄ࣮ࢆ㣧ࡳࠊ࠾ࡋࡷ࡭ࡾࡋ࡞ࡀࡽసᴗ࡟ບࢇ
࡛࠸ࡿᵝᏊ࠿ࡽࡣሙࡢ♫஺ⓗ࡞ᛶ᱁ࡶ❚࠼ࡿ㸦ࡶࡕࢁࢇ⮬Ꮿ࡛〇సࡋ࡚ᗑ࡟༺ࡍ⪅ࡶ࠸ࡿࡀ㸧ࠋ኱ࡁ࡞᪉ࡢᅵ⏘≀ᒇࡢ๓࡛ࡣዪᛶࡓࡕࡀ࠾ႅࡾࢆࡋ࡞ࡀࡽ⦅ࡳ㣭ࡾࢆసࡿ㢼ᬒࡀぢࡽࢀࠊ᪥᭙᪥࡟ࡣࣅࣥࢦ࣭ࢤ࣮࣒ࡀ⾜ࢃࢀ࡚࠸ࡓࠋࡓࡔࡋࠊᙉ࠸ࣔࢳ࣮࣋ࢩ
ࣙࣥࡸ࢖ࣥࢭࣥࢸ࢕ࣈࡀാ࠸࡚࠸ࡿࡼ࠺࡟ࡣᛮࢃࢀ࡞࠸ࠋ
୍᪉ࠊࡇࢀࡽࡢᕤⱁရࡣ࡯ࡰ࢝ࣆ࣐ࣥ࢞ࣛࣥࢠேࡢࡳ࡟ࡼࡗ࡚ᢸࢃࢀ࡚࠾ࡾࠊᙼࡽ
ࡢᩥ໬ⓗ࡞㄂ࡾ࡜ࡶ࡞ࡗ࡚࠸ࡿࠋ࣏ࣥ࣌࢖ே࡟ᢏ⾡ࢆᩍ࠼ࡿࡓࡵ࡟බ❧ࡢᕤⱁᏛᰯࡶ
㛤࠿ࢀ࡚࠸ࡿࡶࡢࡢࠊẖᖺ⏕ᚐࡣ࡯ࢇࡢᩘே࡛ࠊࡑࡢ࡯࡜ࢇ࡝ࡀ㛗⥆ࡁࡋ࡞࠸࡜࠸࠺ࠋ
࡜ࡣ࠸࠼ࠊࡇࡢ࢝ࣆ࣐ࣥ࢞ࣛࣥࢠᅛ᭷ࡢఏ⤫ᩥ໬ࢆ⌧ᅾ≉ᚩ࡙ࡅ࡚࠸ࡿࡢࡣࠊࡴࡋࢁ
ࠕព࿡ࡢ୙ᅾࠖ࡜ࡶゝ࠺࡭ࡁ⌧㇟࡞ࡢ࡛࠶ࡿࠋࠕ࡞ࡐࡇࢀࢆసࡿࡢ࠿ࠖ࡜࠸࠺ၥ࠸࡟
ᑐࡋ࡚⫋ேࡓࡕࡣ୍ᵝ࡟ࠕព࿡ࡣ࡞࠸ࠖ
ࠕ᫇࠿ࡽࡸࡗ࡚࠸ࡿ࠿ࡽࠖ࡜⟅࠼ࡿࡢ࡛࠶ࡾࠊ
సရࡢࣔࢳ࣮ࣇࡀࢧ࣓ࡸ࢖࡛ࣝ࢝࠶ࡿࡇ࡜࡟ࡶព㆑ⓗ࡞ព࿡࡙ࡅࡣ⾜ࢃࢀ࡚࠸࡞࠸ࠋ
࣏ࣜࢿࢩ࢔⣔ࡢ᙮้ᢏ⾡ࡣ࢝ࣆ࣐ࣥ࢞ࣛࣥࢠ⎔♋࠿ࡽ㏵ษࢀࡿࡇ࡜࡞ࡃ⥅ᢎࡉࢀ࡚࠸ࡿࡶࡢࡢࠊಶࠎࡢࣔࢳ࣮ࣇࡀᮏ᮶᭷ࡋ࡚࠸ࡓࡔࢁ࠺㇟ᚩⓗ࡞ព࿡ࡣ࡯ࡰᛀࢀཤࡽࢀ
࡚࠸ࡿ㸦࠾ࡑࡽࡃẸヰࡀᛀࢀࡽࢀࡘࡘ࠶ࡿ㸧ࠋᙜ↛࡞ࡀࡽ㏆ᖺほගே㢮Ꮫ࡛ࡋࡤࡋࡤ
ㄽࡌࡽࢀࡿࡼ࠺࡞ࠕほගయ㦂ࡢ┿ṇࡉࢆಖドࡍࡿ≀ㄒࠖࡣ࡯࡜ࢇ࡝୙ᅾ࡛࠶ࡿࠋ
࢝ࣆ࣐ࣥ࢞ࣛࣥࢠࡢ᙮้సရࡣࠊ኎㈙࡬▷⤡ⓗ࡟⤖ࡧࡘ࠸ࡓࡶࡢ࡜ゝ࠺ࡼࡾࡣࠊ
⩦័໬ࡉࢀࡓ↓ᚰࡢ〇స⾜Ⅽࡢ⤖ᯝ࡜ࡋ࡚⏕ࡌࡿࡢ࡛࠶ࡾࠊࡑࡢ⾜Ⅽࡶ⤖ᯝࡶ㐣ᗘ࡟ព࿡ࢆၥࢃࢀࡿࡇ࡜ࡣ࡞࠸ࠋࡉࡲࡊࡲ࡞ᾏὒ⏕≀ࡢጼࢆ෗ࡋࡓ᙮้సရࡣࠊ࠸ࢃࡤ
ࠑ↓ព࿡ࡢ࢜ࣈࢪ࢙ࠒ࡜ࡋ࡚ぢࡿ⪅ࡢ๓࡟❧ࡕ⌧ࢀ࡚᮶ࡿࠋࡋ࠿ࡶࠊࢧ࣓ࡢ᙮้࡟ࡣ

78
UDO Satoshiᮏ≀ࡢࢧ࣓ࡢṑࡀྲྀࡾ௜ࡅࡽࢀ࡚࠸ࡿࡢࡔࡀࠊጼࢆ෗ࡋྲྀࡗࡓᮌ᙮ࡾࡢࢧ࣓࡟ࠊ
ࡉࡽ࡟⌧ᐇࡢࢧ࣓ࡢሐ႘࡜ࡋ࡚ṑࡀ୚࠼ࡽࢀࡿ࡜ࡁࠊᙧ㇟ࡢᶍ෗࡜ᐇయࡢሐ႘ⓗⓎ⌧࡜࠸࠺஧➽ࡢᩥ⬦ࡀࡑࡢࠑ෗ࡋࠒࡢḟඖ࡟ᑟධࡉࢀࡿࠋࡇࢀࡽࡢ᙮้సရࡣࠊࡑࡢ
ᮦ㉁ࡸᙧ㇟࡟ࡼࡗ࡚ࡉࡲࡊࡲ࡞ព࿡ࢆㄏⓎࡋࡘࡘࠊࡋ࠿ࡶࡑࡢព࿡ࢆ⌧ໃ໬ࡍࡿゝㄝࢆ๐ࡂⴠ࡜ࡉࢀ࡚࠸ࡿࡀࡺ࠼࡟ࠊព࿡ࡢⓎ⏕ࡍࡿ୍Ṍᡭ๓ࠊព࿡⏕ᡂࡢ㜈࡟❧ࡕࡎࡉࢇ࡛࠸ࡿࡢ࡛࠶ࡿࠋ

ᘬ⏝ᩥ⊩
BUCK, P. H. 1950. Material Culture of Kapingamarangi, Berenice P. Bishop Museum Bulletin
200, 291 pp., Berenice P. Bishop Museum, Honolulu, USA.
GONIWIECHA, M. C. 2009. Japanese Influences on Kapingamarangi, 17 pp., Unpublished
Research Manuscript.
HAMNETT, M. P. 1970. Crafts of Kapingamarangi, 15 pp., Office of Economic Development,
Trust Territory of the Pacific Islands, Ponape, FSM.
ISLAND RESEARCH AND EDUCATION INITIATIVE 2013. Outer Islands of Pohnpei: Factsheets andMaps, 12 cards, Island Research and Education Initiative, Palikir, Pohnpei, FSM.

79
南太平洋海域調査研究報告 No.56（2015年3月）
OCCASIONAL PAPERS No.56（March 2015）ࣆࣥࢤࣛࢵࣉᓥ࠾ࡼࡧࣆࢫ࣭ࣃࢿ࢘ᓥ࡛ࡢ♫఍ⓗ㛵ಀ㈨ᮏ
㸫㉳ᴗ࣭እ㒊㐃ᦠ࣭♫఍ኚ㠉࣭ᓥෆ⾜ᨻ㸫㛗ᔱಇ௓Social Capital in Pingelap and Piis-Paneu Islands:
Promotion of Enterprise, Collaboration with Outside,
Reformation of Society, Island Administration
NAGASHIMA Shunsuke㮵ඣᓥ኱Ꮫᅜ㝿ᓥᕋᩍ⫱◊✲ࢭࣥࢱ࣮Research Center for the Pacific Islands, Kagoshima University

せ᪨ࢹࣥࢢ⇕ᑐ⟇ᐇ㊶ㄪᰝ࡛ࠊᑠᓥෆࡢ♫఍ไᗘ࣭ே㛫㛵ಀ࣭ྛ✀♫఍ᐇ㊶ࡢᐇែ࡜ࡑࡢㄢ㢟ࢆ㏣㊧ࡋࡓࠋࣆࢫ࣭ࣃࢿ࢘ᓥ࡛ࡣ࠿ࡘ࡚㈋ᰤ㣴ඣ❺ᑐ⟇࡛ࠊᏛᰯ࣭ᓥෆᆅᇦࡀືࡁࠊᕞᨻᗓࡑࡋ࡚ᾏእᨭ᥼ࣉࣟࢢࣛ
࣒ࡀ⌮᝿ⓗ࡟ᒎ㛤ࡋࡓࠋࡋ࠿ࡋᨭ᥼ᡴࡕษࡾᚋࠊᐙᗞ⳯ᅬ௚ࡢࣉࣟࢢ࣒ࣛࡣࠊ⊂ࡾ❧ࡕࡋ࡞࠿ࡗࡓࠋ
ᓥෆࢦ࣑ၥ㢟ࢆࡣࡌࡵᓥ࣮ࣜࢲ࣮࡟ᙧᘧⓗᙉไᶒ࡜⮬ぬࡣ࠶ࡗ࡚ࡶࠊᐇ᪋㸦Implementation㸧ᶒࡣ௜୚ࡉࢀ࡚࠸࡞࠸ࠋࡑࡇ࡟ไᗘⓗㄢ㢟ࡀ࠶ࡿࠋࣆࣥࢤࣛࢵࣉᓥ࡛ࡣࠊ≟㥑㝖࣭㟷ᖺ໅ຮ࣭㐨㊰Ύᤲ࡟ᡂຌ
ࡋࡓ⤒㦂ࡀ࠶ࡿࠋ㆟఍࣭⾜ᨻ஦ົᡤࡀᖖタࡉࢀࠊἲ἞♫఍ⓗᵓ㐀࣭᐀ᩍⓗ⛛ᗎ࡜ఏ⤫ⓗ㤳㛗ไ࡜ࡀ୕఩
୍యⓗ࡛⤫ไࡢ࡜ࢀࡓ♫఍ࡀཝᏑࡋ࡚࠸ࡓࠋࡋ࠿ࡋㄪᰝᮇ㛫๓࠿ࡽᚋ⪅ࡣ୍Ẽ࡟Ẹ୺໬࡟㐍ࡳࠊ໅ຮᙉ
ไไᗘࡣ⾶㏥ࡋࠊ⮫᫬ⓗᐙᗞ⳯ᅬ⟇ࡣ⿕ᨭ᥼⤊஢ᚋ▐᫬࡟ᔂቯࡋࠊᒃఫᇦእ㐨㊰ࡢ⸭㐨໬ࡀ㐍ᒎࡋࡓࠋ୍᪉࡛ࡣูࡢ♫఍ⓗ⤒῭ⓗάືࡢάᛶ໬ࡀ㐍ࢇ࡛࠸ࡿࠋ⬺ఏ⤫ⓗᶒጾࡢ᪂యไୗ࡛ࡢ࢞ࣂࢼࣅࣜࢸ࢕㸦⤫἞୺య⬟ຊ㸧ᵓ⠏ࡀ୧ᓥࡢඹ㏻ㄢ㢟࡛࠶ࡿࡀᒎᮃࡣᬯࡃ࡞࠸ࠋ

ࣆࢫ࣭ࣃࢿ࢘ᓥ࠾ࡼࡧࣆࣥࢤࣛࢵࣉᓥࡢ♫఍ⓗ㛵ಀ㈨ᮏ࡜ㄪᰝࡢᴫせᮏሗ࿌ࡣᖹᡂ 24㹼26 ᖺᗘ⛉◊㈝ᇶ┙◊✲㸦B㸧
ࠕ࣑ࢡࣟࢿࢩ࢔ࡢᑠᓥ࡟࠾ࡅࡿ♫఍㛵ಀ㈨ᮏ㐃ᦠᆺࡢࢹࣥࢢ⇕ᑐ⟇ᐇ㊶ࠖ࠾ࡼࡧᖹᡂ 26 ᖺᗘᏛ㛗⿢㔞⤒㈝࣭◊✲ࢥ࢔ࣉࣟࢪ࢙ࢡࢺ
㸦ᓥᕋ㸧࡟ࡼࡿㄪᰝࡢࠊ♫఍ⓗ㛵ಀ㈨ᮏࢆᕠࡿືྥ࡜ㄢ㢟࡟㛵ࡍࡿ⥲ᣓ࡛࠶ࡿࠋ㛵㐃ㄪᰝࢆྵࡵࡿ࡜࡯ࡰ 10 ᖺ㛫ࡢほᐹᡂᯝ࡛࠶ࡿࠋ
ᑐ㇟ᆅᇦࡣ࣑ࢡࣟࢿࢩ࢔㐃㑥࣏ࣥ࣌࢖ᕞࣆࣥࢤ80
NAGASHIMA Shunsukeࣛࢵࣉᓥ࠾ࡼࡧࡑࡢ㛵ಀ⤌⧊࣭ᶵ㛵࣭ฟ㌟⪅㞟ⴠ࡜ࠊࢳ࣮ࣗࢡᕞࢳ࣮ࣗࢡ⎔♋ෆ໭㒊⦕㎶ᓥᕋࣆࢫ࣭ࣃࢿ࢘ᓥ࠾ࡼࡧࡑࡢ㛵ಀ⤌⧊࡛࠶ࡿࠋࡶ࡜ࡼࡾࢹࣥࢢ⇕ᑐ⟇ᐇ㊶࡟࠾࠸࡚ࠊ
ࢥ࣑ࣗࢽࢸ࢕㜵␿ᑐ⟇ୖ኱ษ࡞♫఍ⓗ㛵ಀ㈨ᮏࡣࠊఏ⤫ⓗ♫఍ᵓ㐀ෆ࡟ࡶ⤌ࡳ㎸ࡲࢀ࡚࠸ࡓࡀࠊࡑࡢኚ㠉ࡶ࠶ࡗ࡚ࠊࡑࢀ࡟ຍ࠼ࡓᥐ⨨ࡀᛴົ࡜ࡉࢀ࡚ࡁࡓࠋࡑࡢᓥෆ⤌⧊࡜ࡑࡢᙜヱ┤᥋㛵ಀ⪅ࡢ௚ࠊࣆࣥࢤࣛࢵࣉᓥ࡛ࡣࠊᮏᓥࡢ⛣ఫඛ࡛࠶ࡿ࣏ࣥ࣌࢖ᓥෆࢯ࣮ࢣࢫ
㸦Sohkes㸧ᆅ༊࣭࣐ࣥࢻ㸦Mande㸧ᆅ༊࡜ࡢ㛵ಀࠊ୪ࡧ࡟እ㒊㈨ᮏㄪ㐩࡜ᑐᛂ࡟ኚ໬ࡀ⏕ࡲࢀ࡚࠸ࡿࠋࣆࢫ࣭ࣃࢿ࢘ᓥ࡟᪊࠸࡚ࡶྠ➼ࡢ஦᝟࡟࠶ࡿࠋ୧⪅࡟┿࡟ᚲせ࡞ᥐ⨨࡜ࡑࡢྍ⬟ᛶ࡟ࡘ࠸࡚ࠊ㐙᫬ⓗ㛵ಀᙜ஦⪅⪺ࡁྲྀࡾࡸグ㘓ࡢ☜ㄆ➼ࡢ㏻ᖖㄪᰝࡢ௚࡟ࠊ࣐࣮ࣞࢩ
࢔ࡢᡂຌ஦౛㸦࣏ࢫࢱ࣮➼࣮࢟ࣕࣥ࣌ࣥ㸧࡜ไᗘ㸦Act154 Destruction of Disease-Bearing
Insects act 1975. Incorporating all amendments up to 2006, Act A1086. Amendment Act 2000 ࡜ࡑࡢᐇ᪋㛵㐃ㄽᩥ㸧ࢆ⤂௓ࡋࡓࡾࠊ࣮࣡ࢡࢩࣙࢵࣉࢆ୧ᓥᓥẸ㸦ࢹࣥࢢ⇕Ⓨ⏕᫬ᑐᛂࢻ࣓࢟ࣗࣥࢺᨺᫎ࡜ㄝ᫂➼㸧࣭㛵ಀ⾜ᨻᶵ㛵➼㸦ㄪᰝ⤖ᯝ࠾ࡼࡧウㄽ㸧ࢆࡋࡓࡾࡍࡿ࡞࡝ࡢ
᪉ἲࢆ㔜ࡡࡓ᳨ドⓗㄪᰝࢆᐇ᪋ࡋࡓࠋ

ࣆࢫ࣭ࣃࢿ࢘ᓥࡢ♫఍ⓗ㛵ಀ㈨ᮏ࡜㜵␿ㄢ㢟
1980 ᖺ௦࡟ࢳ࣮ࣗࢡᕞ࡛Ⓨ⏕ࡋࡓࢥࣞࣛ஦௳࡛ࡣࠊእᓥ࡛ࡢᮍ▱஦᱌ࡢⓎ⏕ࠊ᳨యࡢ㐲㝸ᆅ㸦࣐ࢽࣛ㸧㏦௜ࠊ⤖ᯝ࡜ࡑࡢ㏻▱ࡢ㐜ᘏ࡛ࠊ஦ែࡢ῝้໬࡜⶝ᘏࢆᣍ࠸ࡓࠋᙜ᫬ࡢ
⾨⏕⟶⌮⪅ᮏேࡶᮍ▱⑕౛ࡢⅭ࡟ឤᰁࡋࡓࠋ⑓ཎయࡣሷỈ࡟ࡶᙉࡃࠊዪᛶࡣ♋†ෆ⁺ᴗ࡟ᚑ஦ࡍࡿ័౛ࡀᙉࡃࠊዪᛶឤᰁ⪅ࡀከࡃⓎ⏕ࡋࡓࠋᙜ᫬ࡢఏ⤫㓂㛗ࡣࠊὒୖࢺ࢖ࣞ᧞⁛࡟༠ຊࡋ࡚ࠊ⮬ศࡢࢩ࣐㸦ᓥෆ⊂❧ᮧⴠ㸧⟶⌮࡟ᚭᗏࢆᮇࡏ࡞࠸㸦౛እ᤼㝖୙ྍࡢぶⓗ❧ሙ㸧ࡓࡵࠊࢳ࣮ࣗࢡ⎔♋ෆᓥᕋ࡟᪊࠸࡚ࡣ඲ࢩ࣐㍯␒㸦஫㓘ᛶ㸧⟶⌮ࢆヨࡳ࡚ᡂຌࡋࡓࠋ1990ᖺ௦࡟ࡣࠊ㈋ᰤ㣴Ꮫ❺ᑐ⟇ࢆࠊ⾨⏕ᢸᙜ㸦⡆᫆デ⒪ᡤဨ㸧ࡀ PTA ࡜༠ຊࡋ࡚ྛ✀ᰤ㣴࣭⾨⏕ᑐ⟇ࢆࠊᓥࢆᣲࡆ࡚ᐇ᪋ࠋᡂᯝࡣᡂᯝࢆ⏕ࢇ࡛ࠊᕞᨻᗓ࡟㢧ᙲࡉࢀࠊ⡿ᅜᨭ᥼ࣉࣟࢢ
࣒ࣛ࡟ࡶ࡞ࡗࡓࠋࡋ࠿ࡋᓥ࡟㈨㔠ࡀΏࡽ࡞ࡃ࡞ࡗࡓࡇ࡜࠿ࡽ᥼ຓࡣ⤊஢ࠋᡂຌ஦౛ࡢ⥅ᢎࡣࡑࡇ࡛㡻᣸ࡋࡓࠋ⥅ᢎṧ⁦ࡀ࠶ࡿ࡜ࡋ࡚ࡶᐙᗞ⳯ᅬࡢ୍㒊⛬ᗘ࡛࠶ࡿࠋࡑࡢ⾨⏕⟶⌮⪅ࡣ⑓Ẽ࡛ᓥእ⏕άࡀ⥆࠸࡚࠾ࡾࠊࡑࡢ᚟άࡣࡲࡔඛࡢࡇ࡜࡟࡞ࡿࠋࢹࣥࢢ⇕Ⓨ⏕※ᑐ⟇࡜ࡋ࡚ᐜჾ㢮⟶⌮☜ㄆࡶ⾜ࡗࡓࡀࠊᾏᓊ㒊࡟⨁㢮ࡢᒣࡀᡤࠎ࡟ᨺ⨨ࡉࢀ࡚࠸ࡿࠋࢥࢥࣖࢩࡢ
Ẇ࡟ࡘ࠸࡚ࡶ࿘▱ࡀᚭᗏࡋ࡚࠸࡞࠸ࠋᗫᲠ≀⟶⌮࡟ᓥ㛗࿨௧ᶒ㝈ࡣ࠶ࡿࡀࠊࡑࢀࢆ⾜౑ࡋࡓࡇ࡜ࡀ↓࠸ࠋ⾜ᨻᐇ᪋ᶵ㛵㸦ከᩘࡢ㆙ᐹ⫋௨እ㸧ࡀᓥෆ࡟↓ࡃࠊᓥ㛗࣭๪ᓥ㛗ດຊ࡟ጤࡡࡽࢀ࡚࠸ࡿࠋ᪂ᇳ⾜㒊࡬ࡢᶒ㝈⛣⟶ࡢୗ࡛ࡣࠊࡑࡢ᪉㔪ࢆ῝ࡃ⌮ゎࡋ࡚ࡶࡽ࠸ࠊᓥෆ
Ύ⨾࣭Ⓨ⏕※ᑐ⟇࡟ྥࡅ࡚ࡢ⮬ぬ࡜Ỵពࢆ⫈࠸ࡓ㸦ᅗ 1㸧ࠋࡇࡢᓥࡢᕼᮃࡣࠊᕞ⾨⏕⌜ࡢ 1
᪥⾜ືᅪ࡟࠶ࡿࡇ࡜࡛࠶ࡾࠊ௚ࡢඹ㏻ㄢ㢟ࢆᢪ࠼ࡿᑠᓥྠ➼࡟ࠊ㢖⧚⟶⌮ࢆព㆑ࡋ࡚ࡃࢀ
࡚࠸ࡿࡇ࡜࡛࠶ࡿࠋỈ㐨஦ᴗࡶጞືࡋࠊ㏻ಙᡭẁࡶᦠᖏ࡛☜ಖ࡛ࡁࠊࡲࡓ࢝ࣥ࣎ࢪ࢔࠿ࡽ
⛣ධࡋࡓῐỈ㨶෌ά⏝ࡶྵࡵࠊᡂຌ஦౛ⓗᒎ㛤ࡀ௒ᚋᮇᚅ࡛ࡁࡿࠋ

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Social Capital in Pingelap and Piis-Paneu Islands: Promotion of Enterprise, Collaboration with Outside, Reformation of Society, Island Administrationᅗ 1 ࣆࢫ࣭ࣃࢿ࢘ᓥ᪂๪ᓥ㛗Ꮿ࡛ࡢ᪂ᓥ㛗࡜ࡢ࣑࣮ࢸ࢕ࣥࢢගᬒ

ࣆࣥࢤࣛࢵࣉᓥࡢ♫఍ⓗ㛵ಀ㈨ᮏ࡜㜵␿ㄢ㢟≟ࢆ㣫ࢃ࡞࠸♫఍ⓗពᛮỴᐃ࡛ࡣ⮬἞⤌⧊㸦⿢ุᡤ࣭㆟఍࣭ᓥ㛗࣭⾜ᨻ஦ົᡤ࣭4 ᆅ༊๭ࡾ⾜ᨻ⤌⧊㸧࡜ᩍ఍⤌⧊࣭ఏ⤫㤳㛗ไࡀ㐃ືࡋ࡚ᙧᡂࡉࢀࡓྜពࡢୗ࡟ࠊ᪥ࢆỴࡋࡓ
ᐇ㊶ࢆᒎ㛤ࡋࡓࠋᙉ࠸࢞ࣂࢼࣅࣜࢸ࢕ࡢᏑᅾࢆࡑࡇ࡟ࡳࡿࠋࣆࣥࢤࣛࢵࣉᓥ࡛ࡣఏ⤫⤫἞ᶒຊ⪅ࡢ㛗ᮇᓥእᒃఫ㸦ࢯ࣮ࢣࢫᆅ༊࣭་ᖌ㸧࡛ࠊ㐣ཤᶒጾࡢᙳ㡪ຊࡣ⃭ῶࡋࡓࠋᓥ࡟
㓂㛗௦⌮ࢆ⨨ࡃࡀࠊ఩㝵⛣ືࡢ↓࠸ࢱ࢖ࢺࣝ⪅ࢼࢼ࣡㸦Nanawa㸧࡛࠶ࡾࠊᶒຊᵓ㐀ⓗⰍᙬࡣ࡞ࡃࠊఏ⤫⾜஦࣭௵ົᇳ⾜⪅௨ୖ࡛ࡶ௨ୗ࡛ࡶ࡞࠸ࠋᰯ㛗⫋࡟ࡶ࠶ࡿே࡞ࡢ࡛ࠊᩥ໬ⓗᏑᅾ࡜ࡋ࡚ࡩࡉࢃࡋࡃࠊᓥෆ⾜ᨻⓗ୰❧ᛶࡶ☜ಖࡋࡸࡍ࠸㸦࡞࠾࣏ࣥ࣌࢖ᮏᓥ࡜ࡢ୰㛫㊥㞳࡟࠶ࡿ㞄ࡢ࣮ࣔ࢟ࣝᓥ࡛ࡣఏ⤫㤳㛗ไᗘ⮬యࢆᡓᚋ㛫ࡶ࡞ࡃఫẸᢞ⚊࡛ᗫṆࡋࡓ㸧ࠋ⌧ᅾࡢᩥ໬࣭ᆅᇦ♫఍ࡢᶒጾᵓ㐀࡜ࡋ࡚ࡣࠊᩍ఍⤌⧊ࡀ᭱ࡶ᰿ᖿࢆ࡞ࡋࠊ⾜ᨻࡀࡑࢀ࡜
୍య࡜࡞ࡾື࠸࡚࠸ࡿ㸦ఏ㐨⪅⮬యࡢᙉᶒࡶ࡞ࡃࠊ⾜ᨻࡀືࡃ࡜ࡁࡣᩍ༊༢఩࡟ാࡁ࠿ࡅ
ࡿ㸧ࠋ㐲㝸㞳ᓥࡢⅭࠊᓥ㛗ࡣ࣏ࣥ࣌࢖ᮏᓥ࡛஦ົᡤࢆᵓ࠼࡚ࠊ⫋ົࢆ㐙⾜ࡋ࡚࠸ࡿࠋᑓ⏝↓⥺฼⏝ࡢ௚ࠊ㆟఍㛤ദ᫬➼࡟ࡣ㣕⾜ᶵ࡛ᖐᓥࡋ࡚ࠊ⫋㈐ࢆᯝࡓࡋ࡚࠸ࡿࠋᓥ㛗௦⌮ࡣࠊ⾜ᨻᶵ⬟ᇳ⾜ᶵ㛵ࡢ㛗ࢆᢸ࠺ࠋ௦⌮࡜ࡣ࠸࠼ࠊ㈈※࣭ᇳ⾜ᶒ㝈ࢆ⫼㈇࠺㔜㈐࡛࠶ࡾࠊᐇຊ
ࡀၥࢃࢀࡿࠋඛ௦ࡣ⌧ᅾ⿢ุᐁࢆົࡵࠊ⌧ᅾࡢᢸᙜࡣ㆟ဨ⤒㦂⪅࡛◊✲⇕ᚰ࡛࠶ࡿࠋᙼࡣ
ἲⓗᡭẁࡢ᭷ຠᛶࢆ୺ᙇࡍࡿࠋࡇࡢᓥ࡟ࡣ Green Act ࡀ࠶ࡗࡓࠋᐃ౛᪥㸦Municipal
Government Day㸸Ỉ᭙㸧࡟ᓥෆΎᤲ࡜㎰⪔㸦ࡲࡓࡣ⁺ᧄ㸧ࢆ⩏ົ௜ࡅࠊࡑࡢ᪥໅ຮ࡛↓࠸

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NAGASHIMA Shunsuke㟷ᖺࡣࠊ♫఍ⓗไ⿢㸦㍍࠸⨩㸧ࢆㄢࡏࡽࢀࡓࠋࡑࡢ 1980 ᖺ௦⊂❧┤ᚋࡢ໅ຮ᮲౛ࡣࠊ᫬௦
࡜࡜ࡶ࡟ᨺᛕࡉࢀ࡚࠸ࡃ㸦ࣆࢫ࣭ࣃࢿ࢘ᓥ࡟ࡶఝࡓไᗘࡀ࠶ࡗࡓࠋࣆࣥࢤࣛࢵࣉᓥືྥࢆ
ୖグ┳ㆤຓᡭࡢ⩏඗࡛࠶ࡿࣆࢫ࣭ࣃࢿ࢘ᓥᰯ㛗࡟⤂௓ࡍࡿ࡜ࠊྠ➼ࡢᥦ᱌ࢆᆅᇦ࡜ PTA ࡟ࡋ࡚࠸ࡿ࡜ࡇࢁࡔ࡜࠸࠺‽ഛ᭩㠃ࡶぢࡏ࡚ࡶࡽࡗࡓ㸧ࠋᓥ㛗㸦࣓࢖࣮ࣖ㸧௦⌮ࡢせㄳࡶ࠶ࡾඛ㏙࣐࣮ࣞࢩ࢔஦౛ࢆ཰㞟ࡋ࡚ᒆࡅࡓࠋΎ₩ឤ࠶ࡿᒃఫᇦ࣭ᓥෆ඲㐨㊰Ύᤲࡣࠊඛ㏙ࡢἲ࡜ࡑࡢ⵳✚ࡀᇶ♏࡟࠶ࡿࠋ10 ᖺ࡯࡝๓ࡢ㐨ࡣወ㯇࡛ࠊ4 ᖺ࡯࡝๓ࡲ࡛ࡣᓥෆ඲㐨㊰ࡀぢ஦࡞Ύᤲ᣺ࡾ࡛࠶ࡗࡓࠋ༡⡿ᾏእ㈨㔠ࢆᚓ࡚ࠊᆅᇦ⾜ᨻ࡟ࡼࡿ 2 ྡ㞠⏝࡛㐨㊰ᩚ⨾ᐇ⌧ࠋඃ⚽ᆅ༊࣭⟶⌮⪅ࡣ⾲ᙲࡍࡿࢥࣥࢸࢫࢺࡲ࡛ࡋࡓࠋࡋ࠿ࡋ 3 ᖺ࡯࡝๓ࡢ㈨㔠⤊஢ᚋࡣ୓඲
࡜ࡣゝ࠼࡞࠸ࠋ≉࡟ࡇࡇ 1㹼2 ᖺࡢᒃఫᆅᇦእࡢ⸭㐨໬ࡣᛴ㏿࡛࠶ࡿࠋ඲ᡞᬑཬⓗᒎ㛤ࢆぢࡏࡓ࣑ࢽ⳯ᅬࡶྠᵝ⤒⦋ࢆ㎺ࡿࡀࠊࡑࡢᛴቑᛴῶࡢ᥎⛣ࡣࡉࡽ࡟ᴟ➃࡛࠶ࡗࡓ㸦୕ಸయࡢ✀ࡀ୙⛱ᛶ࡛ࠊぶ᪘ᨭ᥼࡛ࡢ✵㍺ㄪ㐩ࢆࡋࡓࡾࠊ⌧㔠ࢆᚲせ࡜ࡋࡓࡾࡍࡿ㔜Ⲵࡶ࠶ࡿ㸧ࠋࡓࡔࡋࡇ࡜࠶ࢀࡤᓥࢆᣲࡆ࡚ྲྀࡾ⤌ࡴ₯ᅾຊࢆぢࡓᛮ࠸࡛࠶ࡿࠋ⁺ᧄ࡛ᓥእປാ᫬㛫ࡀ㛗࠸ࣆࢫ࣭ࣃࢿ࢘ᓥࡼࡾࡶ⾨⏕ᗘ࣭Ύ₩ᗘ࣭ᆅᇦཧຍຊࡣ㧗࠸ឤࡀ࠶ࡾࠊ2 ྡࡢ┳ㆤᖌࡀ೺ᗣ㠃࡟ᐤ୚ࡋ࡚࠸ࡿ㸦ࣆࢫ࣭ࣃࢿ࢘ᓥ࡛ࡣ 1 ྡ㸧ࠋࡲࡓ⾜ᨻࡢព㆑ࡶ㧗ࡃࠊᇳ⾜ຊࡶ࠶ࡿࠋ
ᑠᆺῐỈ㨶ࡶ኱ษ࡟ࡉࢀ࡚࠸ࡿࠋࡋ࠿ࡋ⯪౽ࡀᖺᩘᅇ࡛ࠊ་⒪⾨⏕⟶⌮⯪ࡶᖺ୍࣭஧ᅇࠊ
୺࡜ࡋ࡚㣕⾜ᶵ౽࡛⧅ࡀࢀ࡚࠸ࡿ㐲㝸ᓥᕋࡢᒎ㛤࡜ࡋ࡚ࠊ࡝࠺ࡋ࡚ࡶእ㒊࡜ࡢ㐃ᦠㄢ㢟࡟ࡣ㔜࠸ࡶࡢࡀ࠶ࡿࠋ

ᅗ 2 ࣆࣥࢤࣛࢵࣉᓥ࡛ࡢࢥࢥࣖࢩ〇ࣦ࢓࣮ࢪࣥἜసᴗගᬒ

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Social Capital in Pingelap and Piis-Paneu Islands: Promotion of Enterprise, Collaboration with Outside, Reformation of Society, Island Administration

እ㒊㈨㔠࡜㞠⏝࣭⤒῭ຊ࡜ᆅᇦබ⾗⾨⏕
እ㒊㈨㔠ࡣ᫬࡟㞠⏝ࢆୖグࡢࡼ࠺࡟⏕ࡴࠋ௚࡟ࡶ࣑ࢡࣟࢿࢩ࢔▷ᮇ኱Ꮫ㸦⡿ࢢࣛࣥࢺ㈨㔠࡛Ꮫ⏕ࢆᣢࡓ࡞࠸㸧ࡀ┿⌔㣴Ṫᐇ㦂㸦㮵ඣᓥ኱ᏛỈ⏘Ꮫ㒊ฟ㌟ఀ⸨ṇᘯࣉࣟࢪ࢙ࢡࢺ
࣮ࣜࢲ࣮㸧ࢆࡋࡓ࡜ࡁ 2 ྡࡢ㞠⏝ࡀ 3 ᖺ࡯࡝⥆࠸ࡓࠋࡑࡋ࡚⌧ᅾ᪂ไᗘ㞠⏝ࡀⓎ⏕ࡋ࡚࠸ࡿࠋ㥔 FSM ᪥ᮏ኱౑㤋ࣉࣟࢪ࢙ࢡࢺ࡟ࡼࡿ㧗ရ㉁ࢥࢥࣖࢩ〇ࣦ࢓࣮ࢪࣥἜ࣭▼㮯࣭ࣖࢩẆ࣭Ⅳࡢ⏕⏘ฟⲴ࡛࠶ࡿࠋ໭࣐ࣜ࢔ࢼ࡛ࡢ⤒Ⴀ⤒㦂⪅ࡀ࣐ࢿࢪ࣮ࣕࠋ఍ィグ㘓࣭ປാᣦ᥹࣭๰ពᕤኵດຊࡀᐇ⌧ࡋ࡚࠸ࡿࠋ↓ேᓥࡶྵࡵࡿ࡜ 3 ᓥ࠶ࡾࠊ୺ᓥෆࡢ฼⏝㈨※࣭฼⏝✵㛫వᆅࡔࡅ࡛ࡶᗈࡃ኱ࡁ࠸ࠋグ㘓ࡣᮏᓥࡢᓥ㛗஦ົᡤ࡟ࡶ㏦ࡽࢀࡿ㸦୎ᗘ኱౑㤋┘ᰝ࡟ࡶ❧ࡕ఍࠼ࡓ㸧ࠋ㥔᪥ᮏ FSM ኱౑ࡶὀ┠ࡋ࡚࠸ࡿ஦ᴗ࡛ࠊ௚ᓥ௚ᕞ࡜ࡣ➇ྜࡋ࡞࠸ከᵝ࡞ࣉࣟࢪ࢙ࢡࢺࡢ୍ࡘ࡜ࡋ࡚ࡢ㉳ᴗ࡛ࠊὶ㏻࢝࢘ࣥࢱ࣮ࣃ࣮ࢺࡶタᐃࡉࢀ࡚࠸ࡿࠋ
ẖᮅࡢసᴗࢆᣏぢࡋࡓ㸦ᅗ 2㸧ࠋ໅ຮ᣺ࡾࡀ㐪࠺ࠋ㈤㔠ࡀ᪩ࡵ࡟ᡶࢃࢀࡿࠋ኎ୖ㔠ࡀඖࡔࡀࠊ
኎ୖᡂᯝࡀඖ࡟࡞ࡗ࡚࠸ࡿࡢ࡛ࠊ୍ᒙບࡴᵓ㐀࡛࠶ࡿࠋ௰㛫ព㆑ࡢᙉ࠸ປാ㞟ᅋ࡛ࠊཝ㑅ࡉࢀࡿࡢ࡛ࡉࡽ࡟ពḧⓗ࡛࠶ࡿࠋࡇࡢ⤒῭ຊࡣࠊᏳᐃࡋࡓ㣗⏕ά࡜ࠊ೺඲࡞⾨⏕⟶⌮ຊ࡟㈨ࡍࡿࡶࡢ࡜࡞ࡿࠋ
ࣆࢫ࣭ࣃࢿ࢘ᓥࡢ⤒῭※Ἠࡣ✺ࡁ㨶⁺㸦㞄᥋⎔♋⦕㎶㒊ࡢ↓ேᓥỈᇦࡀ⁺ሙ㸧࡛ࠊ௰㛫࡜ị㉎ධ࣭㨶㍺㏦ࢆ㤳㒔ᓥ࡟ྥࡅ࡚ࡋ࡚࠸ࡿࠋᓥฟ㌟⪅㸦௰㛫࣭ぶ᪘➼㸧ࡀ㈍኎ࡢ࢝࢘ࣥ
ࢱ࣮ࣃ࣮ࢺ࡟ࡶ࡞ࡗ࡚࠸ࡿࠋJICA ᨭ᥼ࡢ〇ị᪋タ࡜ᑠᆺ⯪ࡣྎ㢼⿕ᐖࡢᚋࠊ෌ᘓ࡛ࡁ࡚
࠸࡞࠸ࡀࠊ኱ࡁ࡞ᨭ㞀࡟ࡣ࡞ࡗ࡚࠸࡞࠸ࠋࢯ࣮࣮ࣛ㟁Ẽά⏝ࡢ〇ịᶵࡀࡸࡀ࡚ᑟධྍ⬟࡜࡞ࢁ࠺ࠋࡇࡇ࡛ࡶࢼ࣐ࢥィ⏬㸦ࣆࣥࢤࣛࢵࣉᓥྠᵝ㸧࡬ࡢᮇᚅࡀᙉ࠸㸦㥔᪥኱౑ࡶ᰿ᣐ
࠶ࡿ᭷ຊ㉳ᴗ࡜ㄆ㆑ࡋ࡚࠸ࡿ㸧ࠋ⤫ไࡢ☜ಖࡀㄢ㢟࡛࠶ࡿࡀࠊฟⲴࢳ࢙ࢵࢡ࠿ࠊᓥෆ࡟࠸ࡿ
21 ேࡢ㆙ᐹᐁࡢ௵ົ㐙⾜ḟ➨࡛ࡣࠊ᭷ຠ࡞ࢥࣥࣉࣛ࢖࢔ࣥࢫ♫఍ࡀᐇ⌧ྍ⬟࠿ࡶࡋࢀ࡞࠸ࠋ
࡞࠾ࣆࢫ࣭ࣃࢿ࢘ᓥ࡛ࡶ MIRAB ⤒῭ᵓ㐀ࡣཝᏑࡋ࡚࠾ࡾࠊᓥෆࣅ࣮ࣗࣟࢡࣛࢩ࣮ࡣࠊ
⤥୚ศ㓄ࡢయ⣔࡜ࡋ࡚ࠊ඲ဨᆒ୍⤥୚࡛ᓥෆࡢ 50 ᡞ࡬ࡢᖹ➼㸦࡯ࡰࡑࡢᩘࡔࡅᙺ⫋ࡀ࠶ࡿ㸧
࡜ 8 ᆅ༊㓄៖࡛ᡂ❧ࡋ࡚࠸ࡿࠋࡸࡓࡽከ࠸㆙ᐹᐁ㸦㓇㣧ࡳࢺࣛࣈࣝ➼㢖Ⓨ࡛ᓥ㛗ࡣࡕࡻ࠺࡝Ⰻ࠸ᩘ࡜࠸࠺ࡀ㸧ࡣࡑࡢࡓࡵ࡟࡛ࡁ࡚࠸ࡿࠋࡑࡢά⏝ࡣࠊ㉳ᴗ࡟ࡶά࠿ࡏࡿྍ⬟ᛶࡀ࠶ࡿࠋᓥෆホ㆟ဨࡶ⾨⏕㑂Ᏺ࣭⎔ቃΎ⨾㸦⺅Ⓨ⏕※ᐜჾ⟶⌮㸧࣭⵳㣴┘どᙺ࡟㐺ࡋ࡚࠸ࡿࠋ

♫఍ⓗ㛵ಀ㈨ᮏ࡜ࡋ࡚ࡢฟ㌟⪅⤌⧊࣭♫఍ࣆࣥࢤࣛࢵࣉᓥฟ㌟⪅ࡢᮏᅵ 2 㞟ⴠ࠿ࡽࡢࢧ࣏࣮ࢺຊࡣࠊ࠶ࡃࡲ࡛ࡶ⾑᪘ⓗಶูⓗ࡛࠶ࡿࠋձࢯ࣮ࢣࢫ࡬ࡢ⛣ఫ 100 ࿘ᖺ㸦ࠕࢪ࣮ࣙࢪᓥࡢ཯஘࡛ࠖ↓ே໬ࡉࡏࡽࢀࡓᆅᇦ࡟ࠊ⤫἞⪅࡜ぶ᪘㛵ಀࡢ᭷ࡗࡓ࣮ࣔ࢟ࣝᓥẸࡀ ‴㐺ᆅࡢ໭࡟ධࡾࠊ࣮ࣔࢺࣟࢵࢡᓥẸࡀすഃ࡟ධࡾࠊḟ࠸࡛ࣆࣥࢤࣛࢵࣉᓥẸࡀᮾ࡟ධࡗࡓࠋ⌧ᅾࡢ᭱኱ໃຊ㸧࡛ࡢࠊ࣐ࣥࢻ㞟ⴠ㸦ᡓᚋ┤ᚋ࡟࣏ࣥ࣌࢖ᓥ᭱ᙉ఩ࡢ࣐ࢻࣞࢽ࣒࢘ᆅ༊㓂㛗࠿ࡽチྍࢆ⤒࡚ 4 Ἴ࡟ศ࠿ࢀ࡚⛣ఫ㸧࠿ࡽࡢ㈇ᢸ⩏ົ
ࡣ㍍ᚤ࡞ࡶࡢ࡛ࠊ㣗ᮦ୍㒊ศᆠ⛬ᗘ࡛㔠㖹ⓗ࣭ປຊⓗ࡛ࡣ࡞࠸ࠋղᐙ᪘࡬ࡢ㏦㔠ࡣከ࠸ࡀࠊ
ぶ᪘࡬ࡢ㏦㔠ࡣṤ࡝࡞ࡃࠊྠᒃཷධࡶ㏆࠸ぶ᪘ࡲ࡛࡜ࡳࡽࢀࡿࠋ㏦㔠ࡣ࢚࢘ࢫࢺࣃࢵࢡ➼ࡢ฼⏝ࡢ௚ࠊ㣕⾜ᶵ౽฼⏝ࡶ⛥࡞ࡽࡎぢ࠿ࡅࡿࠋ㸦㞄ᓥ࣮ࣔ࢟ࣝᓥࡢฟ㌟⪅୍ᖏឤࡣࠊࡼࡾᑡ84
NAGASHIMA Shunsukeேᩘࡢࢩ࣐࡛࠶ࡿ஦᝟ࡶ㛵ࢃࡗ࡚࠸ࡿ࡜ᛮࢃࢀࡿࠋࡑࡢࢧ࣏࣮ࢺຊ࡛᭷ຊᩍ⫱⪅࣭་ᖌ࣭⾜ᨻᐁ➼ࢆ㍮ฟࡋ࡚࠸ࡿࠋࣆࣥࢤࣛࢵࣉᓥฟ㌟⪅ࡢฟୡᗘࡶ㧗࠸ࡀዡᏛไᗘ㐺⏝ࡣ㝈ᐃⓗᑡᩘ࡛࠶ࡿࠋ㸧ճ100 ࿘ᖺ⚍ࡣ஦๓ࡢពẼ㎸ࡳ࡛᝿ᐃࡉࢀࡓつᶍ࡛ࡣ࡞ࡃ༙᪥࠿ࡘ㋀ࡾࡀ࠶ࡗࡓ
࡜ࡣ࠸࠼⡆⣲ࠋᙉไ⤖᮰ຊⓗ♫఍࡛ࡣ࡞ࡃ࡞ࡗ࡚࠸ࡿ࡜᥎ᐹࡉࢀࡿࠋ
ࡓࡔࡋᆅᇦෆ௰㛫㐃ಀࡣ࡞࠾኱ษ࡛࠶ࡿࠋ౛࠼ࡤ࣏ࣥ࣌࢖ᓥෆⱝᡭ㉳ᴗᐙࢯࣟࣔࣥ㎰ᅬࡣ᭷ᶵ㎰⏘≀࣭⏕㩭㣗ရ㈍኎࡜⏕⏘ࢆࡋ࡚࠸ࡿࡀࠊᆅᇦእ㛵ಀ⪅࠿ࡽࡢྡ⩏࣭㈨㔠ᨭ᥼⏦ࡋ㎸ࡳࡀ࠶ࡗ࡚ࡶ᩿ࡾࠊࢯ࣮ࢣࢫᆅ༊ෆ⪅ࢆ㞠࠸ࠊࣃ࣮ࢺࢼ࣮ࢆ⤌ࡴ┦ᡭࡶࠊᆅᇦෆ࡟
㝈ࡿࠋಙ㢗㛵ಀ࡜࠸࠺ Social Capital ࡣࠊ㈐௵㐃㙐ⓗ࡞᪥ᖖᛶࡢୖ࡛ಖࡓࢀ࡚࠸ࡿ࡜᥎ᐹ
ࡉࢀࡿࠋࣆࣥࢤࣛࢵࣉᓥෆ୙ᅾᆅ୺㸦␃Ᏺࢱࣟ⏣㸧⟶⌮ࡶಙ㢗㛵ಀࡢᙉ࠸ぶᡉ࠿཭ேࡀ
࠾࠾࠿ࡓᢸࡗ࡚࠸ࡿࠋ
ฟ㌟⪅ࡢ᝿࠸ࡶ኱ษ࡞♫఍ⓗ㛵ಀ㈨ᮏ࡛࠶ࡿࠋࣆࣥࢤࣛࢵࣉᓥ࣓࢖࣮ࣖࡢዟࡉࢇ E ࡣᕞಖ೺ᒁ㛗࡛ࡶ࠶ࡾࠊ㒓㔛࡬ࡢᙉ࠸ᛮ࠸࡛⾨⏕㛵ಀࡢ⌧ἣ࡜㛵୚࡟ពḧࢆࡶࡗ࡚࠸ࡿࠋ
ࡓࡔᐇᡓ㒊㝲ࡣ⾨⏕ᒁࡀᢸࡗ࡚࠸ࡿࠋ⿢ุᡤ஦ົ᪉㧗ᐁᚑ඗ࡶ๓ᓥ㛗௦⌮ࡢぶᡉࡔࡀᐃᮇ
ⓗᖐ㒓࡛ᓥࡢ⌧ἣ࡟ᙉ࠸㛵ᚰ࡜▱ⓗᨭ᥼ࢆᐇ⌧ࡋ࡚࠸ࡿࠋᡃࠎㄪᰝࡢ஦ᐇୖࡢ࢝࢘ࣥࢱ࣮
ࣃ࣮ࢺ࡛ᓥእᨭ᥼ࢿࢵࢺ࣮࣡ࢡࡢ⤖᮰⪅࡛ࡶ࠶ࡿࠋ࡞࠾ࣆࣥࢤࣛࢵࣉㄒࡢ⪷᭩సࡾࡶ඲ᆅ
⌫ⓗ࡟㸦ࢧ࢖ࣃ࣭ࣥࢢ࢔࣒࣭ࣁ࣡࢖࣭⡿኱㝣ศᢸ࡛㸧ᒎ㛤ࡋ࡚࠸ࡿࠋ
ࣆࢫ࣭ࣃࢿ࢘ᓥ࡛ࡣ᪂ᓥ㛗ᑵ௵ᘧ඾ྥࡅࡢ㈨㔠ㄪ㐩ࢆᣏぢࡋࡓࠋฟ㌟⪅㞟ᅋ࡬ࡢാࡁ
࠿ࡅࠊࡑࡢࡓࡵ࡟ࡣᅜእฟᙇࡲ࡛ࡍࡿࠋᓥ㛗ᑵ௵ᘧ඾࡟ࡣࠊ኱⤫㡿ࢡࣛࢫࡲ࡛ᣍᚅ≧ࢆ
㏦ࡿࠋࡑࢀ࡯࡝ࡢࢫࢸ࢖ࢱࢫ࡛࠶ࡿࡀࠊࡑࡢ㈝⏝࡟ࡣබ㔠ࢆ⏝࠸࡞࠸࡜ࡇࢁࡀࠕࡅࡌࡵࠖ
࡛࠶ࡿࠋࡑࡢດຊࡣ♫఍ⓗ㛵ಀ㈨ᮏࡢࢿࢵࢺ࣮࣡ࢡ⥔ᣢ࡜๰㐀࡟㛵ࢃࡿႠⅭ࡛ࡶ࠶ࡿࠋ

ࡲ࡜ࡵ࡟࠿࠼࡚
ࡇࡇ࡛ࡣ♫఍ⓗ㛵ಀ㈨ᮏ࡟ࡘ࠸࡚ࡢሗ࿌࡛࠶ࡾࠊᓥෆࡢ MIRAB ᵓ㐀ࡢヲ⣽ࡸࠊᓥෆ⤥୚࣭ᙺ⫋㓄ศࡢヲ⣽➼ࡣ๭ឡࡋࡓࠋබ㔠࡟㛵ࡋ࡚ࡣ࣮ࣝࣝࡀ᫂☜࡛ࠊⓙࡀ⇍▱ࡋ࡚࠸ࡿ
࡯࡝࡟㏱᫂ᛶࡢ㧗࠸♫఍ࡀᙧᡂࡉࢀ࡚࠸ࡿࠋࡑࢀ⛬࡟ᑠᓥ♫఍ࡣࠊ኱ᐙ᪘ⓗ࡞ඹྠయࢆ
⥔ᣢࡋ࡚࠸ࡿࠋࡲࡓ⾜஦ຊࡣࢥ࢞ࣂࢼࣥࢫຊ㸦ඹ἞ຊ㸧ࡢ※Ἠ࡛࠶ࡿࠋ࢞ࣂࢼࣅࣜࢸ࢕࡜
࠸࠺⤫἞୺యᛶࡣࠊ఩㝵ᛶࡢᙉ࠸♫఍ᵓ㐀ࢆᣢࡕࡀࡕ࡞࣏ࣥ࣌࢖ᕞࡢᓥࣆࣥࢤࣛࢵࣉ࡟
᪊࠸࡚ࡍࡽ௨๓ࡢࢺࢵࣉࢲ࢘ࣥไ࡜ࡣ␗㉁ࡢᒎ㛤ࢆぢࡏ࡚࠸ࡿࠋࣆࣥࢤࣛࢵࣉᓥࡢᩍ༊
༢఩࡛ࡢᙇࡾྜ࠸࡜஺Ḽࡣࠊṇ᭶⾜஦ࡢ⯚₈ࡂࡸ 8 ᭶ࡢ࣐ࣝ㸦ࣃࣥࣀ࢟ࡢᯝᐇࢆᆅ୰࡛
Ⓨ㓝ࡉࡏ࡚ 2 ࣓࣮ࢺࣝྎࡢࢣ࣮࢟≧࡟ࡍࡿ㸧ࡢ➇த࡞࡝࡛ࡶ⥔ᣢࡉࢀ࡚࠸ࡿࠋᑠࡉ࡞Ꮩ❧ࡋࡓᓥ♫఍≉᭷ࡢぶᐦឤ࡜࢞ࣂࢼࣅࣜࢸ࢕࡜ᩍ఍ⓗពᛮ␯㏻⤒㊰ࡢ☜ಖᒎ㛤࡛࠶ࡾࠊࡑࢀ
ࡀ᭷஦ࡢ.㞟ⴠ⤒Ⴀຊ㸦C.I.ࣂ࣮ࢼ࣮ࢻࡢ࠸࠺⤌⧊ᒎ㛤㸸ඹ㏻┠ⓗ࣭༠ാ࣭ពᛮఏ㐩㸧࡟⧅ࡀࡗ࡚࠸ࡃࠋࡑࢀࡽࡢఏ⤫ಖᣢ࡜ಙ௮࡜ぶࡋࡳ࠶ࡿ஺ࢃࡾࡀᐤ୚ࡋࡘࡘࡶࠊ᪂ࡋ࠸ᆅᇦ
ㄢ㢟࡛࠶ࡿࠊබ⾗⾨⏕࣭ᆅᇦ㉳ᴗ࣭⎔ቃ⟶⌮࡞࡝ࡢᣢ⥆ྍ⬟ᛶᒎ㛤ࢆྍ⬟࡟ࡍ࡭ࡃࠊ
୧ᑠᓥࡣ⬺ఏ⤫㤳㛗ไࡢୗ࡛ࠊ᪂ࡓ࡞⤌⧊໬ࢆᐇ⌧ࡋࡘࡘ࠶ࡿࠋࣆࢫ࣭ࣃࢿ࢘ᓥࡣᓥᕋ◊ࡀ኱Ꮫ㝔ᤵᴗࡢሙ࡜ࡋ࡚ࡶ౑ࢃࡏ࡚ࡶࡽࡗ࡚࠸ࡿᆅᇦ࡛࠶ࡾࠊ௒ᚋ࡜ࡶ⥅⥆ⓗ࡞ほᐹࡀணᐃࡉࢀ࡚࠸ࡿࠋࡑࡢᡂᯝ⵳✚࡟ࡶᮇᚅࡋࡓ࠸ࠋ