lSSN O912−7410

痢No．30 0ctober1997

mTき 閣
ノ／

」

ガ㌣ア常照

J〃TE尺ⅣAT■JO∧rAエ エd片E E〃lて月0〃〟E〃r CO〟〃JTTEEダOL「〃かArJO〃
r ForBetterLake Management−This NewsletterisalsoavailabLeinJapanese

LakeL畠Car−hostlakeofthe7thWorld LakeConl

erenceSessioll10plCSWilldealwitllissuesofsus−
tainabilitywithplentyofscopefordiscus
ofthosechoices areinnocuous wi11ingnesstoact，butsustainablesolutions
Sion oflocal，reglOnalandinternaLiol−al
are not beingimplemented．The7th
Whatfootballteam to supporしexperiences・Thel10Stlake，aS SuCh，L丘car
whatcolour shirt to wear to work．Others International Conference on Lakes
ConservationandManagemeIltrL丘car97，
i【se汀1−aS，in【hepasしSeenit5fairsllal eOf
aremoreprofoundptohavechildrenorrLOt
degradation due to rising economic
Seekstoprovideaforumfor，and【ostimu−
tohavechildren，howtobringourchildren
1ate disc11SSions on，eCOnOmic and social demands andlocalrepresentativcs willllO
uplnaneVer−ChanglngWOrldandwhatsort
doub【11aVemuCh［oofferollthesubiect，
uses oflake envil・OnmentS and on suitable
Oflegacy toleave to thosechildren・The
managementapproaches toensure sustain−
Choices wemakehave adeeplmPaCtOn
TllereisaLlanCientAsiaIIPrOVCrb山atsays
ability．Thekeywordbeing sustainability ・boththesocietyweliveiIlandtheenvironr
SOme【hinglike−wc arcllO10Wllel■S Oftlle
mentwearesurroulldedby．
he7thWol・1dLakeConferellCeWi11
WOl■1dwclivじill，buし餌■emel、ely gu氾■dlallS
be heldin tl】e Smallalld beautil●ul
Ol iし1 01 Oul■Cllil（11■el−、・Tllele昌aCyWCleave
Wlla【，yOumayaSk，11aSthisgottodowi山
CltyOfSaIIMart血Idelos Andesill【0山じm Willbe veI■y muCll（1epc【1dc【l【011theWorldLakeConference？Freshwateris0

urlives arefu1lofcllOices．Some theexistenceofAgenda21is proofofa

the naturall■eSOurCe On Which humanlife．
globalfood sec11rlty and the health ofecosystemsdepend・Thismostvaluableandfundamentalresourceisbeingunderminedallovel●【heworld．Somemay argue thatlN

T

A柑e山ina．wllic上1Celebl■aしesi【sceIlは11al y‖1

riIldiIlgSUSし；linahl￠SOluしiollSt（一日lClrlaIlil−じSI

1998・ParticIPantS at【he confel■eLICe WillPl■Oblems suI■1 Ou【ldi11g uS・Tlle WoI■1dl一水e

iIICludemallagel S．decisionmakel■S．eXpel 【sConrel じ11CCSllaVじPlayed asl封1il、icil山pill■【

肋mintel■llationalo柑aniza【iollS、gOVel Ⅰト
mentalagencies aIld cilizensrmovcmL：ntS・

in【rylIlgtOPl■OVidじLhoscsoIu【iol−SOVじ1■【上lじt。R。。u。St

THIS ・EEMissiontoThailand
lSSUE：慧1岩：慧監…：rMagadzayeal■S−Wel−aVじgl Caしl−OPeSl 0Ⅰ■Lまcal■■97・●NetworkingforLakeCorlSerVation●18thNALMSInternationalSymposium●ICAL 97／MonitoringActivities
・LakesoftheWorld−IndonesianLakes●NewPublicationsandForthcomingEvents

Bureau Meeting

ProfessorsJ＠rgensen，Kira，Matsuiand
Williams，inadditiontoILECstaff，ParticL

thecollaboration forpromotion of

1 ／、卜
、

lpatedin theBureaumeeting heldon14
May1997，atlLEC s officesin Shiga， U山tedNatiollS Environmen〔Pl●Ogl■a11皿eJapan・Theforthcomlng7tbInternational（UNEP）preparedaDataBookofWorld
Lake Environments in three volumes（Volumel：Asia andOceania，2：Africa
OuSlythemaintopICOfdiscussion・Itwas
and Europe，3＝Americas）・WithiIIPutS
agreed to have a2to3day workshop
frommECScientiflCCommitteemembers，
beforetheconference and haveageneralmanyo【herscientistsandresearchersofthe
meeting oftheScientificCommitteeJuSt WOrldandgovernmentalandnonLgOVern−after the Conference．Allscientific memL
mentalagencies，theDataBookprovides
berswi11beencouragedtopresentapaper
themostreliableinformationforlakeenvi−
attlleCOI正erellCe．
ronmentconservationintheworld．
Conference on Lakes Conservation andManagement（seefront page）wasobvi

helocation of the 8th conference

T

WaSalsodiscussedasCopenhagen
Ci【yCollnCilhasexpresseditswill
1nglleSStOhosttherleXtlakecollferencein
1999．AllScientific Committee members
havebeenrequested to approveILEC s
acceptanceofthisinvitation・Agreement
WaSreaChedonthematterofseekingsup−
POr［for aconti11ua【ion ofthe guideline
bookseriesand【oinvestlgatethepossibili−
tyofBlackwelltakingovel◆thesaleofthealreadypublishedvolumesandthepublica−
tiollan（1saleofthecomlngVOlumes・

EE Mission

Update Request

However，SuCllinformatlonmustbeupdat−
ed and newiIlformatioIIShould be added
fortheDataBooktol・emainLJ（e mOS【reli−ableinformationsource．Intllisconnec【ion，ILECwouldgreatlyappreciateoulLre；1dersI
collaboration fol・thel、eVision of the Data
BookbyprovidingadditlO【laland／01Llatest
information ofthelakL：S COVered byiL
Infol・maし10n On【helakes tlla【血・el10しCOV

The 2nd Training Course oll
EnvironmeI】talEducation was held［romJuly2830aしChial−gMaiil−Tl−ailan（L The
COurSe WaS Ol■ganize（1witllCOOpeI alioll
be［ween Clliallg MaiUnivL：rSlty．Shiga
Ul−iverslty andILEC・Financialsupport
WaSPrOVidedby山eJapallFuIldforGIobal
Environment・Some35particlpan［s，mainly
SCience teachers of eleme【1tary and sec
Ondary schooIsil−Thailand，attended theCO11rSe．

LecttlrerS from four universities，those of
ShigaUniversltyinJapan，the University
Of【hePhilipplneS．andPrlnCeOf Songkla
Universltyin Pattaniand Chiangmai
University，Thailand，prOVided tlleClasses
tl11■Oughout【1−eCOul■Se・Tl−e Pl■Ogl■a皿WaS

COmpOSed orlectures ol−eI−Vil■0【lmじn【aleducatioll，WaterSamPling Llear［11eriver．
fieldactivi［ies［oobtaink110Wledgeo［bio−diYel■Slしy．siしe visi【s t〔）WaSLeい ea【mell【facilities．outdool、l】a【ul、e呈amじS dlld cul

1 iculumdevelopme111・el■e（1woul〔王alsobegl■じatlyappl■CCiaしじしl・
11isTI■ヱIil−m呈C（〕ul■Se WaSヱ1Pal■tし−董T

ILECIs PiloL PILOjccI o［
TllC nameS OftllOSe WllO havc pl OVided、、EllVil・0Ilmtニ11t乙11Eし1uしdしiし）Ilillと1SSistallCe rOl 【he upda【亡Willbe duly
Developi−1呈C（〕unh■ies■■・（．）−1eOrtlleさ0山or
ackIlOWledgedin tlle aIlticIPate（1Ⅰ■eVised
Stl−01柑el◆COOperation witllIETC was
thisprqec【wastohelpteachel■Sinscl10OIs
editlOnS．Regretfully，duetorina11Cialcon−
expressed as desirable by all participants.S【1 ain【s，nOllOnOl ariumwillbepaid・
todevelopmethodsal−dteachingmaterials
and the chairman emphasized that the−udela止lemnorivneot nenitreperewLaht
Cation．Itishopedthatthelesso11SlealLned
resourcesthatILEChasilltheexpertiseof
YoucaneasilychecktheculTentCOlltenLs
from the firs（and second course willbe
the Scienfific Committee should be utilizedOftheDataBook throughtheInternetat
usefulto those who attellded them，but
morebyILEC throughcooperation with
http：／／www・biwa・Or・jp／ilec／・Formore
IETC，butalsoincontextwith otherpro−
informatioll，PleasecoIltaCtILECviaemail moILeimportantlyto［heel−dbeneficialLies−
jects・
thes【udentsthemselves．
Orbypos〔．

Lake Kawaguchi（Japan）withMountFu

Jltn thebackground−takenfromtheDataBook

Profile on Professor C.H.D. Magadza
ILECScientincCommitteeMember
Professor Christopher H. D. Magadza has
been a member of the ILEC ScientificCommitteesince1986，andwasrecel−tlya
KeynoteSpeakeratthe6thWorldLake
ConferenceatTsukuba，Japan・

1997Biwako Prize
forEcolo訂

1】e Biwako Plうze rol−Ecolo呂y WaS
Statioll、Professol Magadza has beell【11einitlatOrOfanumbelLOftrai1111−gCOurSeSfor
establisl】ediIl】卵1by Sl−i呂 1
Pl・el eclul・al（1いVl∋1・【1me山「ぐ）1■ tllC
middle alld seIliol■mallagenlelltS【arrill
waterresources．whichllaVe bee11COnductⅠ）ul■Ⅰ）OSeOl cい1−11 ibu山一glし）Ll−e Pl0ざ1■eS川王
edattheResearchStatioll．
StUしIiビSO【1LlleはqUaLic即ViI−0‖nleIl11IltlleTl■iじ1duf■ccologンi【】ヒas【andSou【lleaSIAsiu■

rofessol・Magadzaisanemployeeor

PPl■ioI■Lo deYeloplllg anil−tel■eSLil−aquaticsciellCeS Professol、Magadza worked oll
theUniversltyOfZimbabwe．where
heis Directorofthe universltysappliedentomologlCalprcuects・Par【iculal、Iyi王IZambia wllerelle WaS Olle Ol、山e team〔hat tested and refined the use of
EndosulfanfoILthecontroloftlletSetSefly．

Lake KaribaResearch StatlOn．The Station
undertakes workon theecology andman−agementofimpoundments，Pal・ticularly
Lake Kanba．The Station also serves as a GJo∫∫上7ヱα〃10∫r〜Jα乃∫Which tl■anSmits【l y−traininglnStituteforpostgrad11ateStudeIltS Pal−OSOmiasis・

B血rpl◆Oriles ortlle【wo will】−el■S Ol ll】isyciu、■spl 1Zじ揖 eglVellbelo＼l，・Tl）epl−1ZeCel■−emony willbじ上1Cld aL tllel−ake Biwa
Museuln O116NovembeI・19ウ7．FoI・mOI・eilげormaLiol1011山cprlZealldforde［飢1soll
applicatiollS fornCmilla【ioIIS fol■11eXt
year、sprlZeCOntaC【theILt三CSecretariator
visit【heILECwebSite：
http：／／www・l）iWa・Or・．ip／ilec／prize／e−llreCentyearSProf・Magadzahasbeen

＼

ノ＼＼

、

ProfessorC．H．D．Magadza
attheUniversity ofZimbabwe and hosts
Studentsfromotherpartsoftheworldespe
Cially Europe and North AmelLica・The
SLationalsol■unSinSel■Vicetl、ainlllgCO111■SeS

inwaterresources and envirollmentalman−

i11dexJltlll

involved in the assessment of theⅠ impacts ofglobalclimatic change．
where he hascontribu【ed to the studyof
climatechangeimpactsonecosystemsal−dwater resources，and con【1、ibutediIlthe

Dr・Cllen−TllllgArthurChell
Pl◆Ofessor．Instit山eofMarineGeologyand
Chcmistry．Na【iona】Sun Yal−SeI−

pl■ep訂atOl■yWOl■kた）1■Agenda21・

Ullivel■SlしyProfessorMagadzais amemberofseveral
CivicandproressionalassociatioI−S・Heisa
foundel■memberof［11e AfricaIIAcademy

mal■illじCllemistI y a11dlimllいlo㌢y Dl■，o上r Sciences．oiT wllicl】1】eis a化1■meI■Vicじ

汀SCIleOl t上】eWOl 1（1−s【叩上 ivel■eSeal■C上Iel、Sill

PreSideIlしal−d tl−e Reseal、Ch CounciloIZ，imbabwe．Heis alsofoundermemberalld
Cllairman of the Zimbabwe Man aIld
BiosphereComm出ee・Heisil−VOIvedin【hellatul・all・eSOul・CeS COllSel Va【iol10r
Zimbabwe as along−Standingmemberof
theNaturalResourcesBoardofZimbabwe．
LlleWa【el PollutiollAdvisory Boal■d andOtheradvisorycommi【把es，t上−el・ieldof‥iI−Cl・eaSeOraLmし）SPllel・icCOコ

AsTaiwa工l■slea（llllgSCic【lしisti11【11已rieldor
C上lじ【1Tullg Al 山ulCllellisユCkl10Wlじし1呂じしlalldiLsじ1TllじCtS、 ．HellaS COmpiled山eresearcllreSults ol11401akesillTaiwaIl
into a book wllicllisI10W uSed as aしexト
bookforresearchintolakesin Taiwall．His
COlltlLibutiollStOthL：understalldingofglob
alenvironmentalproblemsarehighlyeval−uatedi11【ernatiollally rl■OmbotllaCademic
andsocialviewl氾1ntS．

agement・ProfessorMagadza scurrentreseaユ●Cllinter−estsareintheecologyandmanagementof
inland waters，Which he has maintainedsince his training days in New ZealandWllereheundel■tOOkacompl◆ehe11Sives【udyOf払eeub■Opl−icatlOnOrtl−eWaikatoRivel■・
SillCe〔11enllehasworkedonthelimnology
ofAhLicanlakesinceIltl■alSouthernAfrica，
notably LakeBangweulu．LakeChivero・
Lake Kariba，Lake Kafue and othel■Water
bodies．His main tlu・uSt has been the use ofplanktoncommunitiesin characterisinglakes．Thisworkhasresultedinsevel■alslg
nificantpublications．
As Director of the Lake Kariba Researcll

HellaS SerVed on aIlumbel・0上、

iIltel■natioIlaladvisol、y grOuPS，
SuChastlleadvisorycornmitteeto
UNEP on Biodiverslty and【11e Scientiric
Advisol yCOmmitteeofWCIRP．

Dr．TakeoHaIlla
Researcller．Ins【itute for Hydrospheric−AtmosphericSciellCeS，NagoyaUniverslty
Dr．Takeo HamallaS focusedl】isl■eSeal、cll
On＝1e CyCle ol、mattじⅠ 110】 eCOS〉′S〔emsill

Amollg Pl■OreSSOI■Magadza−spublicatiollS
isachildren▲sstorybookdesigl−edしOteaCll
COnSelLVatioI＝111LOugllChildrell●sstoriL；S・He
llaSalsopublislledalayman−sguidctocolト

lakcs and〔｝CじallS．TllCCyC】e ormatしe】 UIl
仙eeal、tl】iso【1Cロf〔1妃im上知Ⅰ■【a山仙1C（io【1SOr Ll−e globalec〔｝ゝyStCm・His ma」（〕−■
ac山evemellしS dI■eillulel■じSじi11■Cll（11 devt三l一

sel：Vation a血ed at【11e botllCivic autl】01▼ities

口Pll−旨 いⅠ■gallisl−1Pl 肌IucLiorlヱ11−d 上Iis

andpeasalltral mel S．

l■eSeal■Cllme【110dsllaVC be以1utilizcし】b〉
maIly SCie11tists hぐ）〔1】inJapan alld abl Oad▲AsarLaCademicianProfessorMagadzahas
beeninvited to be an examiner at several
Ullivel・Sitiesi11five countl・ies of Soutllel 11

111Lhじfuh‖■e，Dl■．Hamais expectedしO
illVeStlgate the overa11cycle ofmatterin
greaterdetailbyclarifyingtlleOrganicmol

alldEa5【el・nAfrica．

ecularmovemeIlt．

NETWORKING SUSTAINABLE九4ANAGEMENTandCONSERVATIONofLAKES−SinanErerandG6niilMihladiz

Pa

rtnershlPS and rletWOl■king arethedelivered by a membel of the ILEC

thereis aneedforaparticulal◆Orgallisa−

SecretariatfurtherboIstellngthereputation ［iollalstructure forlake management，
maglCWOrdsoftheworldagendato
oftheGolbasiConferencein1996．

〔hat willattaiI】CO−Ordination betweell
mentrequires・The background to thepel◆tinen【instituとiollS alld organisatiol−S，
00perationbetween anenviron
acquaintance ofTurkey withILECis a
PrOViding an environment of exchangementalcons111tinggroupandILEC
vely efficient process ta represent a good
alld dissemination ofinformation，andl◆eSul〔edil−【he Wol■ksl−Op Ol−
exampleofthis，Willpromo【e formulaLiol10fintegrated
Turkish Lakes and Wetlands with the
projects an conseiving and impraving
themc Towards Conservation alld
The starting evellt WaS the Golbasi
lakes andlake ellVirollmenl．Thellet−
Management一 ，WhichtookplaceinKemer．
CoIlferencesthattookplaceundertheausu
working of experts and organisations
An［alyaon4p5November1996．Theworkr Started，Whichled to theidea of estab−
PICeSOfthePresidentofTurkey and was
ShopIssuccesswasreflec〔edintheenthusi− 1ishing alocalcommittee ofILEC thatthefirsttime comprehensivecol−Cernfor
domestic lake environments was given
asm ortllepal、ticlpalltS Who put tl−eil■WillserveinTurkey．thatcan beexteI−d−internationalrecogllltlOl−throughtlleParL endeavoursilleStabiishing amallagemel−1 ed to areglOl−defined by CelllralAsianand CaucasiallCOuntI・ies．
警賢二〆 肇野㌻1■■7一章彗琴禦野㌣禦警彗
describewhats11Stainablemanage−

C: the first step of the process uf

＼

−

∴−一、

＿＿【，n，‖rr、什VpMRR／ÅNTALYAHOTEL肌KENT，KEMER

A…
fl憲二慧慧i▼

5mcmbel SlllalI■epl■じSじ11tVal■iousol■gallト
satiollS．Tlle COmmittee members．wi【11aView【owal ds sustaini王18【11e e∫ltlluSiasmrl■Om tlle WOrksllOp，Selectcd5pilo【pl■0−」eC【s【os〔ar【with．Thecommiueestarted
wi［h site visits しO a Wetla11（1and a〔1aml■eSerVOil■，tO make aprelimillal■y Sul◆Vey
forproJeC（PreParation．Endeavours of
the particIPating gro一ユpS are COntinuing
Withvolunteerwork，【houghsustainabilir
ty oftllelletWOrking pl■OCeSS requil■eS a
Anlnternationa［WorkshopinTurkey
WellrorgaIlised struC［ure．which can best
ticIPation oftwoILEC experts，Prof． systemoI11akesandwe［lands・
pavei【sway山l−Ouglltl−eligllLol、expel■i−
J函●genSellin Lhefil■StCOnference and Dr．
elice and rnpertise thal ILEC has been
NielsenillthesecondLAspeecl−WaSalso AlldiscussionscametoacoI−SeI−SuSthat（lisserIliIlatillgWOI 1dwide▲

18thInternationalSymposiumoftheNorthAmerican LakeManagementSociety−11−13November1998

The Alber【a LakeManagemenlSociety（ALMS）willhost the18thInterna【iollal
SymposiumoftheNorth American LakeManagementSociety（NALMS）．

tioIl・ThesympslumWillfeatul eeXamples
Wllere COmmunities，aCademia．industry
alld alllevelsof呂OVel■IlmentllaVe WOrked
toge【11eI tO eH−cc【ively maIlaきelakes andTwa【ersheds．

he symposium，CooperatiYeLake
alld Watershed Managenlellt：
Linking Communities，1ndustry
and Government．provides alleXCe11ent
forum tO discuss the benefits and chalr
lengesofdeveloplngmanagemen【solu−
tionswhichinvoIveallstakeholdergroupsr
Fiscalrealityofthe1990s hasmealltthat
individualgroups and agencies can nolonger afford topursueprogramsinisola−

4P

Ⅰ■elimiIlal■y SymPいSium sessio】−【opicsillCIu〔1ecase slu（】iesi▲lCOOpel、ativelake aI−d wa【el Sllじd malla邑e−mじnt二aIldI■ipalは1−maI−ageme∫−【ina針1Cul

turalareas・Foracompletelis［oftopICSandmoreillformationol−tl−issymposiuml■ea〔卜Plenarypresel−tatiol−SWillbe glVel−by el■S SllOuldcoIltaCt：
WOrldrrenownedscientistsincludillgILEC
Scientific Committee ProfessorJose
AlbertaLakeManagementSociety
Tundisi，President，NationalReseal、Ch
C／oDepartmentofBiologlCalSciences
Councilof Brazil，Professor David
UniversltyOfAlberta
SchindleroftheUniversltyOrAlberta．
Edmonton．Alberta，CANADAT6G2E9ProfessorJollllMelackoftheUniversltyOi． Tel：ト405−492−1294
CaliforlliaL San［aBarbalLa，andBob Hecky
orvisitthe ALMS web sitc at：
OftheCanadaCentreforInlandWaters．
WWW・biology・ualbel、ta．Ca／alms／homc．htm

Monitorlng
Activities

ICAL−97Il、ternati。n。IC。nferel、Ce。nAnciel、tL。kes‥
TheirBiologlCalandCulturalDiversities−nikikoKLu材LakeBiwaMuseum

Dr・Marcos Gomes Nogueira，Associate
Professor of the S諷o Paulo State

Universlty，is engagedinenvironmental
monitorlngOfJurumilLimReservoirinS己o
PauloState，Brazil，Withafocusonthedis−

tribution ofphytoplankton．Many hugedams like this were consiructed in SouthAmericaforpower generation a11d water
SuPPly．but【11eL，1−Vironmentalimpactsof
仁hem have been contl■OVerSial．

Environmentalmonitorlng Ofthesedams，［herefore，is verylmPOl■tant tOminimize
SuChimpacts・KeynotespeechA

byDr．C．L6v合que

S themaineYell【coln皿emOl atlllg
the museums opening，theInternationalConference on

AncientLakes （ICAL 97）washeldatthe
Lake Biwa Museum from2ト28thJune，
1997・ThepurposeofICAL 97was two
foldr First，tO PreSent a forlHn for theexchange of scientific and historical
krlOWledgeonthepresentstatusofancientlakes，frombothbioIogICalandcultural
perspectives ?he second objective was to
SearChforwaysto conservethebiotaand
habitatsoftheselakes，Whichhavebecome
endaLlgered and threatened by therapid
SOCialand environmelltalchanges taklng
placethlLOughouttheworld．

SerVatiollOfbiodiversltylSOffundamental
impor［ance for［hein［egrlty Ofnatural
ecosystemsofancientlakesalldfol■future
humallWell−being．
・Humans havedevelopedindigenousculr
tuユ・eS arOund thelakeshores，Thesecultures
have co−eVOIved with eachlake s biota，
andthisprocesshasresultedinstrongcon−
nections betweencultl】raland bioIoglCal
diversities．
・In addition to a suite ofcommon threats
facedbyall，eaChancientlakeispl●eSently
Suffering fromi【s own unlque prOblems．
Includedamong【hesearetheintroduction
OfexotlCSPeCies，thedeterioratlOnOfwater
quality，lossofbiodivelLSlty，andtllreatS tO
indigenouslakeshorecultures．

Ancientlakes are defined asIong−1ived
lakeswitharelatlVelystabledevelopment
Ofphysicalparameters；features which
・Itwasfoul−d thatlocalpeople areofIen
have produced conditions favourable tointimatelyfami1iarwithtllelake、senvironL
high biologlCalspeciation・Althoughancientlakesarefewinnumbel ，manyOr
mentand biota．Developlllg and collatlng
thelargestlakesin［heworldbelongtothis
inve山01iesorlocalpeoples、kI−OWledgeis
tlluSparanlOun【inpromobllgabe【tel■aSSO−
elite glLOuP・Among them，lakesBaikal，Ciation betweenlakes alld humaIIS While
Biwa，Malawi，Tangallyika，Titicaca，and
Victoriaareofparticularimportancein
conserving the biological alld cuitural
diversitiesoflhelakes．
having high biodiverslty and highendemiclty・Over250personsfrom22countriesattendr
ed the conference．atwhich overlOO oralpl■eSenta〔101−S and50posterpl◆eSentatiollSWel■e glVen・Following the8daysofdis−
CuSSion，thefollowingkeypoints alld
trendswereidentifled．

●Ancientlakesare unlqueandintegrated
heritagesoftheworld．AsnotedattheRio
ConventionollBiodivel■Slty1992，血econ

H

OWeVe】∴110【．1USlrillallCial
l■eSOuI■CeS bu【also ellVil■0Ilmelltdl

monitorll−gequlPmCnlisl−OLsuffi
CierLtly availableillCOulltries such as
Brazil・Il−additiol一，thedevicesdeveloped
inindustrialized countries are notlleCeSSar＿
ilysuitableforuseindeveloplngCOuntries
andintropICalandsubtropICalreglOnS・ItisforthesereasonsthatILECrecentlystarted
a DevelopmentofMonitorillgDevicesfor
TropicalLakes pl■q】eCttOenCOurageenVi−
1■Onmentalmonkoringoflakes andl■eSer−
VOirsindeveloplngCOuntries．pal、ticularly【110SeintropICalandsub【10PICalreglOllS．
Tl−eJapan El−Vil 01−mentalTecl−n〔りogyAssociation all〔11eadi】1g maIlufac＝1、eS Of■
envirollmentaldcvicesillJapanlikeHoriba（manuraclul・eI・01 し上】e U 10）、Cclltl・al

Kagakua【1dTOAElecb 0山csllaVCOl●kl e（1COOPeratioIlfol 山epl■0．1eCt．Afieldmissioll
toAl■geIlti11aLo LestsonlelleWdeviceswil】
takeplace〔11ismu山1りOctobel■19り71．

Dl◆．Nogueirais allalumlluS Oflhe
JICA／ILEC Trail−ing CoulLSe On Lake
EllVironmenL Conservation．and the enviL
rollmeIltalmonitoring activities heis
engagedinwerefirstinitlatedbyProf・Jose
he conference proceedings al●eTundisi，Membel■Of【heILEC ScientificCommi［tee，Dr．Tundisihas been allenVi＿
nowunderpreparationandwi11be
rolmlelltalactlVistforalong［1mePOll−hng
publishedin the near futu∫e．In
Ou［thepoteI−tialenvironmentalimpactsof
additiontoperformingindependentstudies
thehu昌e（1ams．but was appol11tC（1by the
Oflakes，theLakeBiwaMuseumiseager
Cul・rellt Brazilian administration as【o coordinate withILEC regarding
President of the NatiollalCouncilror
research，COmmul−ication and【railling
activities on the aboYe themes，and also Sciel一【il●ic aIld TechnicalDevelopment
activelyencourages collaborativepro．1eCtS Wllicl111aS rOl malalldinrol malpowel■rOl■

Twith researchers andinsti［utions world
wide．

envil■011mentalconsel・VaLiollWit【1i【1111じ
Govel▼11皿ellt．

5J。．−1人丁∴†りFTT／／ニーIl り〃／＿／）

OverviewofIndonesianLakesbyPasiLehmusluoto
InIndonesia血erearemoretllan500natur
than8，000meas11rementS Of39variables
al1akes．mainlyvoIcaniccraterandcaldera
have already been made to documzllt thelakes，teCtOnic．floodplain and solution presents亡ate▲lakes，andaboutlOOreservoirs．nenaturallakes constitute a collectian from small toWiththeequlPmelltdeveloped，〔hemea−
SurementSOfwatertemperatures andoxy−great，Shallow to deep，fresh to salt andfromunproductivetoprodtlCtlVelakes・The
About the Author
m8JOl■1akes arelocatedillSuma亡ra，Bali，
SulawesiandIILianJaya．but a few are
Limnologist PasiLehllluSluotois thefound alsoinJava，Kalimantan．Lombok
ProjectCoordiIlatOrOftIleIlldolleSianr
andFlol eS．
FinllisllExpeditionllldodanaulake
proJeClatld has particlpated jn the
n tlle trOPICalbeltsuch adiversltyOfdeveloplllelltOfthelIldolleSial11ake
lakesinolleCOuntrylSrare．Themaこ10r
waterresourcessimcel，74．
Ⅰ lakeswerenots【udiednationwidepr10r
to theIndonesian−Finnish Expedition
genconcentl、ationscan bemadedirecti71
Indodanauin19911995，aSyStematicsur∫血down〔0【hedeptl10r500m，andsam
VeyOf381akesfromSlImatratOIrianJaya・
PlinglSPOSSiblehLOmthesulでaceto500m・TlleequlPmentare aPPlicableind】ユg−Out
In1928−1929tlleSundaExpeditionvisited
OnlySumatra，JavaandBali・Nolong−telLm
CanOeSandlargervessels・DuringtlleeXpe−
ditionmanyofthelakes werestudied for
dataare availableto follow thedevelop−
melltOfthestateofthelakes．
thefirs【tlmedowntotheirgreaterdepths・

SUMATRA
Ol，1∂Ⅵ成一し2utしeke
O2．Tobaしale
O3．Man呵之リL3ke
O−l．Di81aSしake
O5．〔蔦bawanしake
O6・S】ngkarるkし帥eO7．K（三r【ndし∂ke
88．Ranユリしake」AVAO9S之9Ui∫ⅥRe；eⅣ0≡r
lO．Ci「alaRese〜OiJ
ll．Jali】uIrリーReservD【1乙Dar¶a Reservd√
13．Semp⊃rResJ≧〜dl
lj．Ml】caReser＞0；rlS．RるWaPenin9し∂ke
16．GalarlhlungkurRese■vC

t7．Ke血ngOmboRese（dr18Sen9gU＝ノhReseⅣひ「
19．しaト￠rReseNOrr
20，S切るmiRese「vdr21．W；唱iReseⅣdr
22．Selor如Re5er沌；−邑AL1
23．bmblFn9∂∩しake
24．8uyanしake
25．且r8t8∩し且ke
26．已副Ulし8ke
27．Pa【asa′iRese「vd「depths ofthelakes vary fl■OmtllelL5m
Tempefl00dplainlakeatitsshallowest【0亡he590m Matano faul［1ake，botllin
Sulawesi．Lake MataI10is the seventh andToba withits deptllOf529m thellintll
deepestlakeintheworld・Theonlylakeill
IndonesiallaVillg aCI■ypLodepl、eSSioIlis
LakeMalano．the（1eepestparts beillg208
m below scalじVel
11a〔l〔1i【iし）11tい tlle T（）bd aI】し11〕ibawall

lakじS，Mal一両au and Ranau al■e m乙Llし−Ⅰ

Ⅰ VOIcaniclakじSillSumaLrii．Lake
Sillgkal◆akis tectollic．Lakc Tobais山emostimpol、taIl〔aIldill【el eStillg VOIcalllc
lake・Itwas formedin variousstages．The
firststage・thel−ugeeXPlosionofthe 一Batak
Tumour ＼was mucllStl■OngCr tllan the
Krakatau erupt10n．The volume ofLake
Tobaissome240kmJ．
ThelakL：Sil−Java al■e genera11y small・FしORES
29T鳴か帰「naLakelRIANJAYA
30．Sen【a「iL3ke

LOMβOK
20S叩∂ra八∩∂kしak（】

SUしAW∈51
31．TDnコ之nOしake
32．し】mDOlOLake
33L】∩〔！uし之ke
3・lPQSOし⊇ke
35．SidモⅣen9しake
36．TernpeLakモ
37．Mala化）しake
38To、・．U：iuke

Mapoflndonesiawithmajorlakesandreservoirs

Ema」OrandeconomicallylmPOrtant

Thelal■geStlakeis TobaillNol■［11e川S一ユmatra・ItisalsothegreatesしCraterlakein

Batul−，Bl■ataIlaIldBuyanlakesi11Balial■eimportantfortourism・ThechemicalcomL
positionor山e ril S【twolakes、Situatcdil−lakes a王Idl■eSel■VOiユ、S．Obsel Vations

the world．Its surface areais aboutl．130

di汀el■e11tCal〔1el■aS Only about3（）k∬1叫川1 l、XPeditionIndodanauillCludes the

arepreselltlymade oftlleir physics and
kmコ．InadditlOlltOTobalake．TJakeTowu【iChemistry．andofphy【oplankton．MoreinSulawesiislal、gel・＝1an500kmユ・Tl−ediffel■glLeateStinIndonesia．Tlle Waterill
Baturisl11g上11y salLy andiIIBl■atan almos【low．Totalni［1■OgellCOuld gellerally bemeasured，buttheto［alphosphorusconcen
trations wel◆e Verylow and of［e【1undeu
tectable．Theobservations〔lo【10tfu11ysup
POrt nitrogenlimitation．The chlorophy11
concentratioils showed that thr lakes werroligotrophic Only in Lake Kerinci inis possible，al［hough the annual

1ikedis〔illedwater．

IllLombokthereisonelake，SegaraAnak、、． ‥craterlake．In Flores there are three sul Winterthehypolimniaofsomeofthelakes
Phuriclakesclosetoeachother，Tigawarna
may getoxygen replenishment・A【0［herfoera yeht，tseg us seman止ehtsA．sekal
亡imes血ismaybeoccasional・
different colo11rS．Oneis black or some−Ⅰ…

1

Central Sumatra the concentration was

morethanlOmgm−3and，forexample．in
the Balineselakes and shallow Limboto
lakein Northern Sulawesi【he concentra−［ionswel・e丘om3to5mgm￣J・AIso山etl■anSPareIICiesilldica【ed tlle Same・The
highesttl．anSPal■enCyOf20mwasinLake
TowutiiIICentralSulawesi，andin Lake
Tobaitval・iedfi・Om13to15m．
Thesulplla【econcentl■a【ioIIS Wel■e uSually
low．TheoI11yexceptlOIIWaSBaturlakeiIIBali，in which［he conceIltra【ioIIS Wel■e丘om500to650mgl十Heavyme【alswel・e
1−しS川（iしa■1【l eCl oc wol1叩cxe止luo 1 01l
ziIIC．

XPeditionIndodanau p川Vided

TheTT

anqLJiILakeTowutiinSulawesi，lndonesia（PhotobyPasiLehmusluoto）

times red, one is green and ane is【urquoise・

In Kalimantanin theIndonesial−PartOf
Borneo，andinIrianJayaintheIndonesian
PartOfNew Guinea．the ma）Orlakes are
Sllallowishandswampy，butratherlarge・

T…ミE

basici11fol◆ma〔ioI10ntllem往】01 andeconomicallylrIl【氾1■Lan【In血IleSia【l1akes・1delltificatioIIOrthedrainageareas．
landuseandloadingoftlledrainageareas，Thesurfacetemperaturesvariedfrom21・4
to30．80c．Thevertical（emperaturedifferL hydrologyandwaterbalances，eChosound1ngalldvolumes，しCmPCra山1 e，OXygCnalld
encewasatits greatest3，9つCinlakesless【hal1100mindeptll，andinlakesovel■1（犯m2．30c．The sma11esしVerticaldifference
was O．2￠cinl且kesless〔haniOO min
depth．al−dO・40cinPosolakeatthedep［hin〔el・ValofO−400m．InTobalake【hesmallr ＝hereareonlytllreeChainsofIlatur−

estdifference wasO，850c attheintervalof

1akes，Dibawa上トSingkarakin．A Sl】matl・a，and Matano−Mahalona−
Towutiand Sidenreng−Tempein Sulawesi
il−addition to the groups oflakesin
Kalimarl【an andIrian、Iaya・Tl】efil−SttWO
Chains al・e formed of faultlakes and thetl血doffloodplainlakes．

O−500m・ThesurfacetemperatureinLake
TobadulLing［hehemisphelLic summeriI−
March 1992 was enactly the same as in
April 1929 measured by the Sunda
Expedi【ionL butthe temperatureofthe
llypOlim11io11WaS O・5C【1igllel∴Alltlle
temperaturesarealtitudedepezldent・

llutl、ien【1 eglmCS、maSS balances an〔lpl■0−

duc【ivltyareeXamples．amo11gOthers、Oi
necess山■yiIIFol■matioll・

Correction
CatLefuJreaders willhave［10ticed all
errorilltllerillalparagrapl10rOurlast
edition of＝Lakes of the World叩，For
thesakcofcomplete［leSS，We rePrillt
tlleOr托ndillgparagraplldulY COrreCト
ed．
Tllel eSel◆VOiI∴smaillPl Oblじmisse〔王LmelトS

The state of the natural1akesinIndolleSia
OmeOfLlledee匹1 1akes al−e工㌍1 ma−
isgeIlerallygood・Thisispartlyduetothe
11elltly meromictic・Gellerally thefactthatthedrainageareas aresmall，and
hypolimnia al e al10Xic．with Hlerhereislittleloading flLOmtllem・Thelake exceptlOnSOfe・g・LakesTobaandBatur．In
Chainsaremoreproblematic，Sincepopula−
SOmeOfthehypolimniaalsohydrogensul−
tioncentres−agrlCultureandindustryare
Phide was found．1ikein Singkarak and
CauSlng上oading・Inadditioll，theil■drainage
Ranaulakesin Sumatra・The oxygenatedareasarelarger・ThebuffercapacltyOftlle
layel◆OfLakeSingkarakwasonly40−50m，
工11donesianlakes against chemicalandal−dtllereStOfthelakedowl−tOthedeptl1
nutrlentloadinglSrelativelyweak．Inaddi
0f268mwas anoxic・Tl−eePilimniollVOltiontotlleChemicalquality、longl、eSidence
umewaso111y15％oftlle【otalvolume．

tatioIl．aS aI eSUIL or accel亡l，ated soilero

SiollOf tl】e VaStPlaillS uPS［ream orthe
lakedul ill昌仙el■alnySeaSOIl．Ill［11a【血 ea【here areseveralsettlements and agrlCulr
turalactivities are carried out・Despi【efol・eS【a【ion ac〔ivitiesin areas around［hel■eSerVOir．theproblemsti11persis【s・Due
toi［sconfiguratioll．thelakellaSdifferell−
tiatedtrophiccollditions・Accordingtoits
C上11（汀叩11yll‥a■ concentl■ati（〕nS、itcallbe

COnSi（1eredasoligotlOPllicmeSOu．OPhic：
yet．its【oLalpl10SPllOl OuS COllCel血a【ioIIS

times arecritlCal．

ThenuhTien［concentrations were usuallyCOl■reSpOndLoalllgllel trOphics【a【旧．

NeⅥJPuも1icationS

ForthcomlngEvents

ILEC Gllidclines ofLakeManagement；AFocllS On

SILDllblinCongress1998・ waterofLife ．
Lakes／RiversinEnvironmentalEdllCation，editedbyFirstCircular
S．E．J＠rgenSen，M．KawashlmaandT．Kifa．（lllternational
Theme： Water ofLife ．While gelleralsessiollS Will
LakeEnvironmentCommittee，1997）
ISBN：4−906356−22−2

respolldtopaperSOfferedbymembers，thecommiueeiskeel−LohaveseveralstrucいJredthemes占ssiollSPreferably
lillked tokey110teSpeakers・Themes suggestediIIClude：
1989inBrazil，DenmarkandJapan．Itwasexpandedin Regionallimnology，biologyofaquaticorganisms，1imllOl−
1991toincludeArgentina，GhallaandThailand，This OgyOfspecificwaterbodiesar）dtheoreticallimnologyalld
modelling，
guidelinebookattemptstomakea且nalconclusio110fthe

ILECillitiated theEnvironmentalEducation projectin

mostimportantexperiencethathasbeengainedbythepro−
JeCtinthehopethattheexperiencesgaiIledhomtheproject
Can beutilizedbymany other schooIsaroundtheworld．
ThebookreceivedfundingfromtheJapanFundforGlobal

9−15Augusし19り8
UniversityCollege，Dublin，heland．

EnvironmentandisavailablefromtheILECSecretariat．

Contact：XXVIISILCollgreSS，UCDEllVironmelltal
Institute，RIChview，Clonskeagh，Dublil114，Irelalld．

MedioAmbientedeLosLagosenJapon（JapaneseLake
EnviroIlmeIlt）

email：Si198＠ucd．ie

LagosenelMundo（LakesintheWorld）

OrVisit山efollowlllgWebsite：
http：〟nis．rtc−tallaght．ie／conferences／si198．home／si198．html

The firstofthesepublicationsglVeS an OVerView of
Japameselakes，takingalookatissuessuchaseut∫Ophica− Wol・kshop PlannedforAsia／PacificonAdopting，

tionanddeterioratlnglakeenvironments．Thesecondgives
agoodgroundillgOn the orlgln Oflakesandtheirimpor−

ApplyingandOperatingESTs

tallCetOuS，FundingfortheSpallisheditionsofthesepubli−

UNEPIETC，in cooperatiollWith LheIllStitutcl．or

EllvirolllTlentalScience，Murdoch Ulliversity．Western
CatiollSWaSPrOvidedbytheNipponFoundation．Available
alsoinEllglishalldJapanese，allthreppublicatiollSCanbe Australia，ispreparing atrailling programmeolladopLiorL，applicatiolland operatiollOfE11Virollmellta11y Soulld
ObtainedbycollはCtlngtheILECSecretariatattheaddress
glVenneXttOthepostmarkollthispage．
Techl1010gies（ESTs）．
WaterQuaIityofSriLanka・areviewoftwelvewater

TheprogrammewillbecollducLedillCOlljunctiollWl山allbodies，E．Ⅰ．L．Silva（1996）．
ISI主N：955−26−0033−2

IllternationalRegionalConferellCe OllTechnology for

Acompilation ofbackgroundinformatiollallddatafor
thosewithallinterestillanyaSPeCtOfaquaticbiologyln

FormoredetailsollthetEutgetaudiellCealldtJaillillgCOlltell
PleasecolltaCtIETCPsOsakaoffice．

WastewaterMaIlagementfrom3−13December1997．

SriLanka．Available from：lnstitute ofFundamental

Studies，HantanaRoad，Kandy，SriLanka．

email：CStrOhma＠ullep．Or．jp〃J7「左足MrJO八7AエエA互E E∧rl／〃？0Ⅳ裾EⅣr CO脚ⅣrrEEダOL犯4m∧r
1091．Oroshimo▼Cho．KtlSatSu・City．Shiga525．JapaII
Tel：＋81−775−68−4567．Fa）：：＋81−775−68−4568．e川扇1：】le⊂￠1、mx．l】ill・a．nr．jp

PRINTED MATTERAIR MAIL