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植物科学最前線3: 2（2012）318*#/&2*(%"7ĈƋ ª 1vÔ ǈȤ 2
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305-8506 ǊâƘùȇÿ 16-2
Relationship between biodiversity and ecosystem functioning in grasslands
Key words: biodiversity, ecosystem respiration at community level, grasslands,
photosynthesis at community level, structure of herbaceous stands
Mitsuru Hirota1, Yanhong Tang2
1. Faculty of Life and Environment Sciences, University of Tsukuba
1-1-1 Tennoudai, Tsukuba, Ibaraki 305-8577, Japan
2. Center for Environmental Biology and Ecosystem Studies,
National Institute for Environmental Studies
16-2 Onogawa, Tsukuba, Ibaraki 305-8506, Japan

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M. Hirota-1

BSJ- Revi ew 3: 2

植物科学最前線3: 3（2012）

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M. Hirota-2

BSJ- Revi ew 3: 3

植物科学最前線3: 4（2012）xĽȩ,:
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M. Hirota-3

BSJ- Revi ew 3: 4

植物科学最前線3: 5（2012）ǒȬȫǋ¿+= NPPȦNet Primary ProductionȧĮó+Ɗ;>=Ȱ%,*ĽŨȦScurlock et al. 2002 AxȂĸèȧ
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M. Hirota-4

BSJ- Revi ew 3: 5

植物科学最前線3: 6（2012）Úȭȫ ǫŒàȦȚŭvXeY]ȣ¿, alpine meadow ǋ¿ȧ:/ôȢ+Ɗ!Ǆ¸ȎȍĉXltawQS[j,ŗǗȦHirota et al. 2010 AxȂĸèȧ4 %,Xltaw
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M. Hirota-5

BSJ- Revi ew 3: 6

植物科学最前線3: 7（2012）

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M. Hirota-6

BSJ- Revi ew 3: 7

植物科学最前線3: 8（2012）

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植物科学最前線3: 9（2012）¡&=,(Éř+ȩƿȖreq, CO 2 boYLS7Ʈ+đ;>=£";ȩAȩ,!6+ȩ),SNwq'Ų=,Ų$!\wV-),:((Aȩ»±+ǀ*;ƜƧAǿ6&

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56
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Trait-based approaches for predicting forest ecosystem function under environmental changes
Key words: disturbance; ecosystem functions; functional diversity; plant functional traits; stability
Hiroko Kurokawa1, Masahiro Aiba1, Yusuke Onoda2
1. Graduate School of Life Sciences, Tohoku University
6-3, Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan
2. Graduate School of Agriculture, Kyoto University
Oiwake-cho, Kitashirakawa, Sakyo-ku, Kyoto, 606-8502, Japan1.

 ȱrȺƾ+ǐ 30Ɋ@È6<ŧŢ,ɍƐǒâý*9<qűƝƞ8ƕȑģƜ' "ƝĬǏůǨ*9;ɍřŜƝƞ8Ŷ¤+¶ġɍäï ķ8ŷƉƁɅɍŢƞƕ+ǘ8ŗƪ)Ɲƕ+²)(ɍ ȬƸµƟoÏ<33)ƝĬǏKp[N@į*Ŀ% <Ŷ¤ñ¾+zǺà&<õŶx+ȥÁƐǒ Ȭž¾*9;îõǛ<xɍȥÁƐǒ+ÙÎƉ'%ůǨ% <ȱrƝĬǏ­ƚƩ)Ŷ¤ñ¾+¶ġ*ţĜ¹,õ ɋIPCC ǆɒűêÚŕ Fischlin et al. 2007Ɍ)&7ŧŢ,ɍȱrƝĬǏâý<Ɛǒ+õȢ´@È6% ;ɋBolin & Sukumar 2000, Hassan et al.
2005ɌɍŶ¤ñ¾s* <ŧŢ'+ƝĬǏůǨ+ǜķ,ɍŧŢ :+ƝĬǏKp[N@ķǛƩ*µƟ% r&733ȦǺ')< > ŧŢ+ƝĬǏůǨ,ɍƜíñ¾8äæµƟ)(+Ń{*ƭĽƩ*ěȻ=< &)ɍ=:*9"%ėȓ=<ŧŢǣȶ+ôŬĨ+ñÁ*7ěȻ=<ŖȖɍƝƕôŬĨ+Ł÷qűƝƞ)(+ƝĬǏůǨ*u <ěȻ,ɍƆŔÁ8ǂǒȮsɍõŶxȥÁƐǒƌĕ+ñÁ)(+Ɯíñ¾*9<ěȻ*Ãŋ<ÐǨĨĸł=ɋHooper et al. 2012ɌƜí/+ĥǇ,ƽ*9"%33)6ɍ+9 )Ɲƕǣȶ+ñÁ@ȬĽƩ)½ţ,ɍƝĬǏůǨ* <Ɯíñ¾+ě
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H. Kurokawa et al. - 2
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ƽ'+¢Ŋñ¾hnQc)'ɍôŬ)ƽ@Ø5ǣȶ1(ǣȶ­+ƝĬǏůǨ+ñ¾,ć)<'½ţ&<qŌɍȋ+®´ŉ½ţ*9<'ɍƽȬ&ǅ8ƜíĥǇ+Ȟ <ëÔɍƜíñ¾8Ń{*Ą<ƽȬ+¢Ŋñ¾ǹ¨Ʃ*);ɍ8,;ǣȶ­+ƝĬǏůǨüýÁ<
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H. Kurokawa et al. - 4
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植物科学最前線3: 15（2012）ěȻ<Ǻà@JnUlpj% :ɍ3ôŬĨ+) &7ƽŊ* ưƬ% ) ɍǪƒƝĬǏ@ĄȊ'ƴƿ+ !ɍÂǍõȱ+ƆĎŢ :ÂŌŢ*ŉ:-< 12,000 +ōú+ŧŢ^lSU'ōú+ůǨĚȑTpP@Ɵ %Ƕ?=ƴƿ&,ɍŶ¤8ƜíǺà@Ǥĭr&ɍôŬĨŧŢ+ƝƞĨ*Ų+ěȻ@u <'ƶ=ɋPaquette & Messier 2011Ɍ) &7ɍŨƕ*'"%ŵȔƩƜí+Ì ÂŌŢ&,ǣȶ+ůǨƩôŬĨɋŜĀĕɍŖõŮɈɍƽøȦ@Ɵ %ǿǈ
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植物科学最前線3: 16（2012）ȑÕqɍ7,ĀĽ*ȭ?"% =-ɍƜíñ¾8Ń{* ǣȶūĮñÁ,3ƝĬǏůǨ*ěȻ<ș*ɍĥǇĚȑ'½ţĚȑ*ȭ)=-ɍƜíñ¾8Ń{* ǣȶūĮñÁ,ƝĬǏůǨ+ñÁ*ƭǗ)7=) ɋLarsen et al. 2005Ɍƙåƹ!,ɍ ƑŃ{*9<űŢÁ* ǣȶūĮ+ñÁ@ȆŤ% <Ŏś*,ɍǴƐŢ+µƟ))"%Ňǡ=űŢô +9 )űŢ@ȴĽ<ËƝŢ'ŵȔɍŃ{PC^'ƽôŬĨ8ůǨƩôŬĨɍǣȶ+ĥǇĚȑ'½ţĚȑ+ñÁ'+ȭ)(@ő: *<'&ɍŃ{PC^'ǣȶūĮƽ+ůǨĚȑ :Ń{*Ą<ǣȶūĮñÁ@~Ƈ&<ÐǨĨ@ƶ 'Ǥ % < %ǣȶūĮ'ƝĬǏůǨ'+ȭɋá 2 ƱÉ aɌ8ɍƜíñ¾8Ń{*Ą<ǣȶūĮñ
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% <

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植物科学最前線3: 30（2012）

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Keywords: ecophysiology, forest canopy, phenology, photosynthesis, remote sensing
Hiroyuki Muraoka1, Hibiki M. Noda2, Taku M. Saitoh1, Shin Nagai3,
Kenlo Nishida Nasahara4
1. Institute for Basin Ecosystem Studies, Gifu University, Gifu, Japan
2. Faculty of Life and Environment Sciences, University of Tsukuba, Tsukuba, Japan
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植物科学最前線3: 36（2012）

ROQ 4#&* ȹŶvr~_X{T{O):=ƒƋɄƷ^~Y+ɆƊ9Ɇʀ,ʫõ%+ƋºÚĘVmN
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NDVI = (RNIR - RRed) / (RNIR + RRed)
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植物科学最前線3: 37（2012）

EVI = G(RNIR - RRed) / (RNIR + C1RRed + C2RBlue + L)
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植物科学最前線3: 38（2012）

Spectroradiometerʪǒ;>$<ʫă4),ʎǐŋȄ+Ȕ²âŐɰı+ċȀņ9Ǹʉ

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植物科学最前線3: 39（2012）ïʷ ȰȱİȱƝƋʩĨʪ&ĬȕʅȱƝƋʩàʪ+ȱʃʩPAI = Plant Area Indexʪʫ²âŐǐǑÇʩGPPdayʹűǶǿ²âŐʃʫGPPmaxʹűſă²âŐɰıʪ&ƓǐŚƚ GRVI +ċȀÿÍPAI ,Ƌº+²âŐƁÊŧĘ+ɭɶǉ;Ƨ7ʫGPPday & GPPmax ,Ƶǝʊƪ):=
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植物科学最前線3: 40（2012）ïʸ ȰȱİȱƝƋ+²âŐǐǑÇ&áǳ+ƓǐŚƚ&+ʊ§ï%, 1 įAʲ"+Ƃʉ)¾$ky\_$=2004ʽ2009 į+

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Satellite observation of distribution and dynamics of forest above-ground biomass
Keywords: forest biomass, satellite remote sensing, synthetic aperture radar, opticalsensor, LiDAR
Takeshi Motohka1, Masanobu Shimada1
1. Earth Observation Research Center, Japan Aerospace Exploration Agency
2-1-1 Sengen, Tsukuba, Ibaraki 305-8505, Japan


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Ƭ, əī5&:ɥ1, ǾŪȇƢ), +$'ȇƢ:$Ôǯ#9, NxitxLĉī6ŋƛ(Ȯ'7:íðɂ(cCAR>Ȱ:$5#(ŋƛ#ĩð>î|:|Ŧ, \otY]), \{V(ȉȵ6Ʃưȸ-(öŘ$#:/$?%(ǾŪTxN), ȇƢ(4'ɓǇƜ>¡"ɓǇƜ(İī6ƾ, ¬Ɯ&%ɐ9, Ʋ\{V$",Ȍȼ;:(4, ;8>Ɖű(cCFlR6êíȀȃ¸ɛè&%, ĽȂ$:Ʃưȸ6
 ǾŪ'7:žŸcCFlRȇƢ'ɚè'öŘ&;*&8&"), 1ƺđȥ~(Ɛɋ#9, ŋƛ>ǆǒ:')ǰ"&øǌøƅ&Aiw{Xȏ28;":(Ʈƫ#:ƴ8;:TxN)øƅ#, ɓƜ>ƴv{W, °āTxNɤǃƜŝČ&%(ƓțƻǃƜ'¼ƴ:TxNɥ, LiDARɤLight Detection And Rangingɥ( 3 ǌȿ(ɓǇƜ>

ǿƻ#: ;8(\{V>¼ƴ:Aiw{X'), ù¸", ǾŪ\{V>ƽŕƻ'c

CFlR'öŘ:Ŧƛ$, êíȀȃ6ƉµɀȾī&%>|īŖą">Ŗą:Ŧƛ( 2 ǌɛ

8cCFlR

:ɤLu 2006; è 1ɥ¾ǭ) Direct remote sensing method (DRƛ), ĵǭ) Combine and assign methodɤCA ƛɥ$5ß*;:ɤGoetz et al. 2009ɥDR ƛ), žŸí~ȱcCFlR$ǾŪȇƢ\{V(Ƀ¥>Ȕ., ǣɠƻ'cCFlR>Ɨ4:Ŧƛ#:|Ŧ, CA ƛ), ǾŪ\{V&%>ƴ"ŉſƲè6Ŕ¸ġè&%8óŊ$'KsR¸>Ǽ, ØKsR'ċ"cCFlR6ƤǞȸ(ǿ«>"Ŧƛ#:DR ƛ)ȨǦƻ&Ŗą«>·¿:4, CA ƛ'Ɠ."Ȑǟ&¸

ġ>ŗ£#

:

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T. Motohka-2

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植物科学最前線3: 48（2012）è 1 ǾŪ\{V8žŸí~ȱcCFlR>Ŗą:4(, 2 ǌɛ(Aiw{X
7 "(5!

*.

ÙŉɁÒv{WɤSAR: Synthetic Aperture Radarɥ), ǾŪ6ǱǑƊ'ŚȜ;Ax[_

8lCKwƜɤƜȿǜ 1 mm – 1 mɥ$ß*;:ɓƜ>ȣ¨, íƯǿɕ;ɓƜ(İī, ƾ, ¬Ɯ>Ȍȼ:;8(ńò$#8, íƯǿɕ(ƫň>Ȕ.:

:SAR (Ůƴ&ƪĺ$", 1, ɡ¸ȉǯ#:$ǾŪTxNɤĆɁÒv{W>Ý3ɥ(Ǒɂ¸ȉǯ)Ɯȿ8Šő8;:|ǲ',

ȿ&:/%:lC

KwƜ( L cx^$Ȋ=;:Ɯȿģɤǜ 23 cmɥ>ƴóÙ, (¸ȉǯ)ǜ 15 km ǋ
ī'&:$<

SAR #), duRëǩ$ÙŉɁÒ$ 2'7", (¸ȉǯ>, Ţ m (F{W{'1#Ü~:$²úª#ȇƢÔǯ#:$¼ƥ>Ő
'"), ɒ6ɑ>9ŏ:$(ōǽ>ɟ¡:$#:1, SAR ),lCKwƜ(, ƓțƻƜȿ(ȿ5(Ôǯ#9, ɒ((íǿɕ(ȇƢÔǯ#:ɤè 2ɥ(ƪĺ), ƪ'Ƨģ&%(ɒ(øíð#ɔĤ'Ůƴ#:Ʈì, ø(ǾŪ SARíƯȇƢ(4'Ȫƴ;":ɦALOS PALSARɤL cx^, ŨŲ, 2011ħ'Ȫƴǡɥ, ALOS-2 PALSAR-2ɤL cx^, ŨŲ, 2013 ħŌ~ąɥ, RADARSAT
1/2ɤ C c x ^ , G _ W ɥ , ENVISAT ASARɤ C c x ^ , ƍ Ĝ , 2012 ħ ' Ȫ ƴ ǡ  ɥ ,TerraSAR-X / Tandem-XɤX cx^, ^CZɥ, CosmoSkyMedɤX cx^, CVtAɥ SAR (Ƣą:ĵŦŠ¥ŢɤÉɕǏ9(, ±ČɓƜ|ƅŦÜ'ŠóÙ(ɓƜİī'ċ:, ĵŦ'Š;:ɓƜİī(Ɠɥ), žŸ(í~ȱcCFlR'
Ŀǔ"öÅ:$ǂ8;":SAR

8ȣ¨;lCKwƜ), žŸ(Iqbf{('1#Ȥȫ, Ɖű(NCS6ĉī, Ȉī&%(Ƅȧ'Ŀ"Š;:lCKwƜ(Ɯȿ'7"Ŀǔ)ƹ&9, ƓțƻƜȿ(ǃ X cx^6 C cx^#), Ĩ
T. Motohka-3

BSJ- Revi ew 3: 48

植物科学最前線3: 49（2012）#&, Ǹ6ǟź'7"5Š;:|Ŧ, Ɯȿ(ȿ L cx^6 P cx^#), Ǹ')19Ňī&, Ĩ6ź'7"Š;:(4, Ɯȿ'7", ĵŦŠ¥Ţ$cCFlR(Ƀ¥)ƹ&":ɤLe Toan et al. 1992; Imhoff 1995ɥ
&

8, cCFlR

&:ɝà(Ʈȕ:ǋī1#ùè 3 ), ŨŲ(ØǌžŸ':, SAR (ĵŦŠ¥Ţ$í~ȱcCFlR(Ƀ¥#:200 t/ha ǋī#/0ĵŦŠ¥ŢÛ«>ǈ7'&9, Ňī:Ɔƣ¬ğ)ǜ 100 t/ha #:=/$?%öÅ&ș:ɝà(ș:cCFlR(«)Ɯȿ'7"ƹ&9, Ɯȿ, 79ɡcCFlR1#Ňī>Ő

ȿ/

$

&:$, ĵŦŠ¥Ţ

&":, 200 t /ha (iwY](2>ċȕ$:$, ǜ 50 t/ha $&:Ķ8;ǣɠĬ>ƴ:$, ɝà(Ĳɖ(4ɡcCFlR(ǚī)Ń

, è 4 (7&¸ġè>Ķ8;:(/, AlUxɤLuckman et al.

1997ɥ, PjtAɤRauste 2005ɥ, F{R]stAɤLucas et al. 2010ɥ, ŶÈAQAɤEnglhart
et al. 2011ɥ, AgtGɤMitchard et al. 2009ɥ, ÆƍɤSandberg et al. 2011ɥ&%, Ţø(íð#~Ȍ$Ûƅ(Ƀ¥Ķ8;":SAR (\{V>ƽŕƻ'ƴ:Ŧƛ#),(ĵŦŠ¥Ţ>ƴ:ŦƛŖą:$
íð

#

Ǭ

8;:

, ɝà(Ĳɖ(4, ɡcCFlR>&(4, ĩð'ȯƴ":¢), cCFlR(Ɠțƻ/$?%#:ɝà(Ĳɖ>ŬčɆ':4', ;1#(ǾŪ SAR #)¡=;"&, Ɯȿ(ȿ P cx^>ƴǾŪ SARɤBIOMASS mYPrx; Hélière etal. 2009ɥ

ȋƷ;":1, ĵŦŠ¥Ţ#&, ɓƜ(Őƾ6¬Ɯ(

ńò>ƴ:Ŧƛɤksto]tYKzCxV{gDwo]tɥ5ǅǐ;"ɤPapathanassiou and Cloude 2001ɥ, ĵ(ĆƴÅ9ŰĴ;":è 2 ǾŪ ALOS 'ŚȜ(ÙŉɁÒv{WɤSARɥ$°āTxN'7:ÐĶƷ®ɤȇƢŨ: 2007 ħ 9 ŭ 15 Ũ, óŊ: ŶļȱÞȝɥ(a) L cx^ SARɤPALSAR, R/G/B = HH
¬Ɯ/HV ¬Ɯ/HH ¬ƜHV ¬Ɯɥ, (b) °āTxNɤAVNIR-2, R/G/B = cx^ 3/cx
T. Motohka-4

BSJ- Revi ew 3: 49

植物科学最前線3: 50（2012）^ 2/cx^ 1ɥ

è 3 ƱôƿƲƩøƅŀTxV{p`VtxLNC] 1000ɤ ǄÌ8 2010; Ishihara et al.
2011ɥ'7:žŸí~ȱcCFlR\{V$ ALOS PALSAR (ĵŦŠ¥ŢɤHV ¬Ɯɥ(Ƀ¥Motohka et al. (2011)>Ŝöè 4 è 3 (ǣɠĬ>ƴ"ŖąžŸ(í~ȱcCFlR¸ġɤÖɥ

86 $*.

T. Motohka-5

BSJ- Revi ew 3: 50

植物科学最前線3: 51（2012）°āTxN), ÔȆð$Ș÷ð(Ɯȿģ>Ƣą:TxN#9,ČzŠ6ƧŝČ>ȇƢ:¢'ûɉ°(Î*, CxV{aY](íèN{eR#¡=;:ɡȉ®ī(ǾŪǑ´ǁ5, °āTxN'7:5(#:TxN6ǾŪ'7"ȉ®īzȇƢĥzȇƢəī)ƅ#9, ſƲȇƢ'7ƴ8;:TxN')ƌ(7&5(
:ɦTerra/Aqua MODISɤȉ®ī 250-1000 m, Ǚéɥ, ENVISAT MERISɤȉ®ī 300 m,
ƍĜ, 2012 ħ'Ȫƴǡɥ, Landsatɤ ȉ®ī 30-120 m, Ǚéɥ, ASTERɤȉ®ī 15-90 m, ŨŲzǙéɥ, ALOS AVNIR-2ɤȉ®ī 10 m, ŨŲ, 2011 ħ'Ȫƴǡɥ, GeoEyezIKONOSz
QuickBirdzWorldView-1/2 &%(âƴTxNɤȉ®ī Ţ 10 cm-Ţ mɥ ǾŪ'7"Ƣą;:žŸ(¸°ÎČƪŀɤƜȿ»(°(ÎČƭɥ$í~ȱcCFlR(Ƀ¥), Ó8Ȕ.8;":5((, ƾɃet al. 1989ɥ;), žŸ'$:ÔȆðzȟȘ÷ð(ÎČƭ(Ĳɖ>İÑ, Ĩ6ź(ȸ')Ňī

=":ɤSader'Ǹ(ȸzǴǞzȲǪ

į4#:1, ¸°ÎČƪŀ)đǸ6

ǝǸ&%(ſƩĀǗɤgDbwQ{ɥ'7"ùöÅ:$5, cCFlR(Ŗą>æɐ':ɤMuukkonen and Heiskanen 2007ɥ8'), ɒ6ùƔEAwUu(Ĳɖ>Ñ:4, ;8>ɇÍ:¾¶ư

ĽȂ'&:(7'æɐ)ø:,

MODIS &%(ȉ®īɤ250-1000 mɥ\{V>ƴ"ĩð(cCFlR¸ġ>Ŗą":¢5:ɤBaccini et al. 2008ɥ|Ŧ, ȉ®ī~ɤ60 m ɥ(\{V#), Ʒ®ǿɕ([KRXq>ƴ:Ŧƛ59, ¸°ÎČƪŀ(2>ƴ:óÙ'Ɠ."ǚī
ǈ;":ɤSarker and Nichol 2011ɥ

Ü~:$

 ~Ȍ(7& DR ƛ')ø(æɐ&%>ǾŪ\{V8Ƙą, :41Ɖµ(ɀȾī6êíȀȃVCi

8cCFlR>Ŗą: CA ƛ(Ɂƺ5øǼ=;":ɤHall et al. 2006; Labrecque et al. 2006; Asner 2009, Asner et al. 2010ɥ(Ŧƛ#), Landsat &%(īºȒ#'ȉ®īɤ10-60 mɥ

:\{V8ɡȉ®īɤ-10 mɥ(žŸ(JqYi6ĉ

7ƴ8;:ŖąǚīɤRMSEɥ), 50 t/ha ǋī

Ķ8;"

:

96 

*.

LiDAR ), ċȕ'Ü"v{O{°>ƺČ, ÎČ6Š;"Ƞ"°(ĳķūɂ6İī&%>Ƣą:TxN#:°ƺČ;"Ƞ":1#(ūɂċȕ1#(Țɏ>ǂ:$8žŸ'Ü

"v{O{°>ŌȞ8(ÎČūɂğ#Ȍȼ;, ÎČ#:ĝǾŪ

3$, Ǹ, ź, Ĩ, ŸĪſƲ, íɕ&%ØƄŉȂǞ
İī(ȻƽŦÜiwg@Cu>Ķ:$)Ŭ5ù#:ɤè 5ɥ|ǲ', íɕ8,8(ÎČİī

, |Ŧ#Ɖµ)ÎČ(Ɂýȱ#:$Ȅ&:(#, (ūɂğ>Ȅ:$#, Ɖµɡ>Ŗą:$#:

LiDAR >ŚȜĝǾŪ'), Ǚé( ICESatƼƻ)ƖĪ(ȗȸÏś(ȉũ#:":ȪƴŰɂ) 2003 ħ

:ɤSchutz et al. 2005ɥICESat (, žŸ(cCFlRŖą'5\{V)Ɲƴ;

8 2009 ħ#9, Ʈì)ĵǥ( ICESat-2

ȋƷ;"

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植物科学最前線3: 52（2012）:ICESat ( 1 å(ȇƢ(gY]itx])ǜ 70 m, v{O{°(Ɯȿ')ȟȘ÷ɤ1064
nmɥ$ÔȆǧɤ532 nmɥ

ƴ8;":(4, ɒ

:$<#)ȇƢ#&AlUx6Ǚé³#(ƀȍ#), ICESat '7:Ɖµɡ(ŖąǚīɤRMSEɥ) 3-5 mǋī#:ɤLefsky et al. 2005; 2007; Lefsky 2010ɥƪ', Lorey’s heightɤǮɡŤɕǏ#ȶ
2!ĦîƉɡɥ(ŖąǚīŬ5ɡ$=

":ɤLefsky 2010ɥžŸc

CFlR(Ŗą), ICESat '7:Ɖµɡ(Ŗą«$í~ȱcCFlR(ɂ(ǣɠĬ>ƴ
"Ǽ=;":ǣɠĬ).

ɃŢ'&:$

QA(ǜ 500 ƥ(cCFlRȇƢ\{V>ƴ"ǆ, s[xAotG, AgtG, ŶÈA48;":ɤLefsky et al. 2005;

Saatchi et al. 2011ɥLefsky et al. (2005) ), í~ȱcCFlR>ǜ 60 t/ha (ǚīɤRMSEɥ#Ŗą":
LiDAR (ȋƢ':v{O{°duR), |ąɂɌ$'ƺČ;:ICESat (óÙ) 40 Hzɤ1 Ǌɂ' 40 åɥ#9, ;), ǾŪȩǼŦÜ'ƚ"Ħîǜ 170 m (ɂɌ#ȇƢ:$'&:&=, LiDAR '7:Ƣą), ɕƻ&\{VÐĶ#)&, ɏŠƻ&ƥ#(\{VÐĶ'&:(4, LiDAR '7:Ŗą«$°āTxN&%(ȇƢ\{V$Ǣ2Ù=:$#, Ɖµɡ6í~ȱcCFlR, ƤǞǺǏȸ(ɕƻ&Ŗą
Ǽ=;":ɤLefsky 2010; Saatchi et al. 2011; Harris et al. 2012ɥŋƛ), ICESat '7
9Ŗą;cCFlR>şĢ\{V$ƊŽāǫ#9, ±¿$" MODIS \{V
6lCKwƜŠȋ\{VɤQuickSCATɥV(ȉ®ī:'ƴ8;":MODIS 6Šȋ\{4, ;'Ù="·¿(cCFlR¸ġ5ȉ®ī 1 km $&", ĵ(ɡȉ®īÅ

ů1;:

è 5 ǾŪ LiDAR '7"Ķ8;:\{V(ƇĬèɤĞè(ȘǨɥȇƢƥ$', è(7&Ɯı\{V

:6

Ķ8;:



 ~ȡ(7', ǾŪȇƢ'7:cCFlRŖą')ƅ&Aiw{X;'otY]z\otY]

9, ;

:íð¼ƴ'ĽȂ$;:ȉ®īɤ10-100 m ǋīɥ#
T. Motohka-7

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植物科学最前線3: 53（2012）ǚīǳcCFlR>Ŗą#:Ŧƛ(ǅǐɁƺ)1ƺđȥ~#:ĵ, Øǌ

Aiw{X(ǤÙ>79|Ēȩ4, (otY]>ŬùɆ'Ɲ$

Ɨ48;:ƪ', ǾŪ\{V°āTxN(%8'ŋƛ>Ɂƺ:

8ƽŕƻ'cCFlR>Ŗą: DR ƛ), SAR $"5, ɡcCFlR(ŖąǢ2Ù=:$#, Ŗąǚī>Ü~:$#æɐ#:¢:*, CA ƛ$5;&|Ŧ#, ŋƛ(ǤÙ¼ƴ$Ûū', ťȅŋƛ(Ɂƺ5ȶȂ#:Ʈì, ŨŲ#)ſƲȇƢ(4(íƯȇƢǾŪzTxN$", ALOS-2 PALSAR-2ɤL cx^ SARɥ, ALOS-3ɤ°āTxNɥ,
GCOM-Cɤ°āTxNɥ, iLOVEɤĂĄR[{PrxŚȜ(ſƲ LiDARɥ&%>Ɂƺ#9, ťȅƊǯ(ȢÀ6ŀǯ(Ü~è8;":ĵ(ǅǐɁƺ(ȩđ

ŰĴ

;:
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ǄÌƎłzǄƵ­zƵǉǼzŶũzƃűÃzù§ȭĮzȹþɊzȹþ¨Êz©
ŲŅƲzȳƏzɣǻázĘĐîzę¯ȬĹzǵȷÊţzųƵľzȺű}ƶz
ɡűƎÊzɡĚšÕzƏƲɎũzƵƽũzƵ¨ǼzĻíƽþzěĊ×zť
ēɞzȁŵďzȷÒɢǎþzȷĈƙzŨƞÃzǻÌǓɍzŪȷùzŲɂǱzǹƵũÕzƎűɊzÚĔėzÚƵ¦. 2010. p`VtxLNC] 1000 žŸzǷÌȔŻMANC]zƣMANC](ƒűȔŻ\{V(ƂȂ. ŨŲƲňāȑ 60ɦ111 –123.
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