lSSN O912−7410

No・32July

1998＼

J〃TE月〃ArJO〃Aエ エA片E E〃VJ尺0〃〟E〃T CO〟〃JTTEE FOmかdTJO〃
一ForBetterLake Management−
ThisNewsletterisalsoavai［ab−einJapanese．

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articles．To continue this series we need

1ea5e forglVe山e gram al◆in oul◆ headline，but we thi1 k you wil

SOrt，The fil■St articleis writte11by Lhe
Chalrman OfILECs ScientlnC Committee，

yourhelpbywayofnewsonthesuccesses

agreetha＝1−emediahaveatenden

ProfessorJ針genSen・

you have had with yourlake．We very
muchlookforwardtohearingh）myOu・

Cy tO aCCentuate the negative・Bad news
SeemStOSellnewspapelLSandevenfree−Of−

emphasisesthattheold adage

Chargenewsletterslikethisone．moreoften

aboutpreventlOnbeingbetterthan

nally，COntinulng On tlle血emeof

inthewayofgoodnews・

environmentalproblemsinlakesastoany

Fi

Other field of science．The problems

197conference・Ouroplnion，aS Wehave

Here atILEC we believe that．1ike mostencounteredbyFure，thelakeinquestion，expressedinoulLlastedition，WaS thatthee Cure aPPlies」uStaS muCh tothannot，highlightproblems，buthavelittle

good news，thisissue contains
anothertwopapersfromtheL畠car

thingsinlife，agOOdbalanceis absolutely

COuld havebeenreducedconsiderablyif

7thInternationalConference on thenecessaryforahealthyenvironmentand

preventative measures were taken in theConservation andManagemen［ofLakes

therebyahealthylife．Thatbalancestretchr

past・

WaS a great SuCCeSS，That success waslargelydl】etOthehigh1eveloftheco11【entLelL・To countel■SOme Of Lhe11Ot SO gOOd
news that we have broughtto youin the

There arelessons to beleal・ned here foILin thepapersglVenattheconference・Itis

everyone，alld we hope to bring tolightbeyol−dthescopeofthisnewslettertobring

PaSt，Wearekickingoffaseriesofarticles

moregoodnewsaboutrecoveringlakesin

youauthepapersorevenpapersinfull，but

on lakes Lhat have faced environmental

future editions．To［hateffect，We Should

where we can we intend to accentuatz thedegradationandmadeacomebackofsome

liketomakethisfrontpageanOthercallfor

POSitlVeandL畠car 97wasJuSttha［・es，Wehopeyouwi11agree，tOOILlrneWSlet−

lN
丁目IS

ISSUE

・Lまcar197−Twomorepapers
・ProfessorKirahonoured・CallforPapersfromILECJournal
・FureLake−AModelCase
・Lake99−Copenhagen

・Mini−Symposium・ProfileonProfessorJinXiangCan●JICA／ILECTrainee sViewpolnt●LakesoftheWorld−RanglaWetland●NewPublicationsandForthcomlngEvents

Lまcar797−7hro（abbreviated）papers丘omtheInternationa
Conf＆enceontheConservationandManagementofLakes
The Laguna de Bay
ZoningandManagement
Plan for Fisheries
AdelinaC・Santos−Borja

thelakein themid−SeVenties．However，tionandenhancementoflakeeutrophica−
due tothepressingproblems associated tion，impedimentofwatermovemell＝11a［
Withfishpens，thistypeofaquaculture COntributes to the siltation and accumular
玩ⅦOfwaterbyacin也．
methodwasglVenmOreattentionbythe
governmentinsofarasregulationandman−

S areSultofthe problems the
LLDAdevelopedamanagement
SyStem．PartOfwhichincluded
n1973，theareaoccupiedbyfishpens
t11eLagunaLakeZoningandManagement
WaS5，000hectareswithayieldof3．88

ageme扉wasconcerr王ed．

Lagunade Bay，thelargestlakein the
Pll山pplneSwithasurfaceareaof900km2
andallaVeragedepthof2，8meters，OCCu−

A

Ⅰ tons／llaノyrortentlmeS仕ほOpenWatel・Plan（ZOMAP）in1983・Theareaforaqua−yieldin1968．Tbeinitialsuccessoftllis

Culturewasse亡a〔21，00011eC亡む eS．FislIpen

turalareasoftheprovincesofRizalandand fishcagebeltsweredelineated，Withkind of business encouraged otherinvestorsfromareasoutsidetheLagunade accesslanesandnavユgational1anesmarked
to facilitate tllemOVementOfpeople．
Baywatershedwhichcausedanalarmlng

Lagurla・川Creaざein貞5bpen∬eaと0う1，α）OjleCtareざ

goods，andserviceswithinthelake．

PleSalmosthalfofthetotalsurfaceareaof
PhilipplneSlakes．Its watershed areaof
3820kmニincludesthehighlyurbanizedareaofMetroManilaandtherichagrlCulL

in1982．Theincreasein tbe number of

ChangesintheleadershipoftheLLDA
fishpensandthecorresfX）ndinglnCreaSein
meantthat theinitialZOMAP was nevereconomically significant water fishstockscreatedintensecompetitionfor
resources ofthecountry．Itis a thenaturalfoodsupplylnthelake，SuCh Seriouslylmplemented・Nevertheless，prO−
multi−uSereSOurCe，butatpresentthedomiL
thattheunltyieldin1982wasreducedto2 ductivitylnthelakeimprovedgreatlyln
1991leadingtoaproliferationofnewfishL
nantuseisforfishery．In thelatesixties，tons／ha／yr．A semi−intensive culture
helakeisoneofthemostvitalandT

tlleCuitureof偽anoschanos（milkfish）in

methodisnowpractlCed・

PenS・After alegalbattle with Local

Stratai・e・，therichfishpenoperatorsand

intheLagunadeI∋ayRegion．

GovernmentUnitsconcernlngtheregula−af【erastudydonein1968ざbowedぬa〔i亡5Tbeopera臼onoffiざbpenざuti】izesa5はte− tion ofthelake，the LLDA was glVen
exclusiveJurisdictiontoissuepermitsfor
aquaticbiotacouldsupportamoreexten− OWnedresource．Thus，itbecameinevitablet11euSeOfallsurfacewatersforanypro．1eCt
Siveflsllel■yprOduction，
thatconflictsbetweentwo socio−eCOnOmic
fisllPenSWaSintroducedinLagunadeBay．

OnJuly1970，the Laguna Lakethemarglnalfishermen arose．Itstemmed

DevelopmentAuthority（LLDA）construct−

丘omtheassertlOnOfrlghtsofsmallfisher−

Theimpユemenね【ionofl・Ulesandl・egUla−

eda38−hectarefishpeninacovenortheast fou（Wholostmuchoftheirtraditionalopentionsregardingtheoperationofaquacul−
ture structuresin LagunadeBay has
OftheCentralBayof［helake・ThepHot
lake抗sbinggrounds・andconsequently，
alwaysbeenastrugglebetweentheimpleL
PrOJeCtdemonstratedanannualpotential theirincomewasalsoaffected．
mentingagencyandthefishpenopel・atOrS・

milk薫∫l】yieユdof】500kg伽0】・moreぬ甜Thehighriskandcostofinvestmentmake
AsidefromfishpenS，fishcagecultureof therehavealsobeenenvironmentalprob− ithardforsomefishpenoperatorstotrans−
Til 甲LaSpeCieswas alsointroducedinto
1emssuchastheincreaseinorganicfX）11urfertheirstructuretothelLeVisedfishpen
beltatthedesignatedtime．Thosethatdid
3・5timestheannualopenwaterfishcatch．

Asidefromsocio−eCOnOmicproblems，

no【compjyw抽亡鹿1・山esandヱ・egula〔ionざWel■e glVen nOtice to self−demolish their

StruCtureSWithin a specifiedtimeframe．
Non←COmpliancecompelstheLLDAtodothedemolitionandthefishpenmatel・ials

areconfiscatedinfavourofthegovern−
ment．To date the LLDAhas demolishedmorethan2，000hectaresofilIegalflShpen・

Otherfishpenoperatorshaveevenresorted
b別ingca5eSagain5‖1】eLLDA．However，

thestlLOngpOliticalwillofthecurrent
LLDAadministrationcoupledwiththe
SuPPOrt from the Departmellt Of
Environme11ta11dNaturalResoul・CeS an〔1t11ePresidentofthePhilipplneShavepaved
thewayfortbeimplementation oftlle

Waterhyacjnthsandfishingboats・LagunadeBayl●evisedZOMAP．

2

L畠car 99 papers

Factors Controlling theTrophic Stateof
Reservoirs at the Basins

ofgeograpnlCand weatherdistribution
whichisrevealedbothasILegardsmorpho−
metriccharacteristics aswellas trophic
State．

OfLimay，Neuqll nand
NegroRivers（Argentina）

Twocontrolmechanisms havebeendeteト

H畠ctor A．Labo［［ita andFernando L Pedrozo

higherslgniflCanCeOPeratlngindividuallyminedforthealgaebiomassasthoseof
withinthel■eSel■VOirs，namely：

ProfessorKira
honoured
ILECrs Professor Kira has been awarded

theDukeofEdinburghPrizeoftheJapa
Academy・Typicalofhisselfeffacingchar−actel■、ProfessorKira s fil●StreSpOnSe tO
newsofhisbeing awardedthisprユZe．WaS

Reservoirs at the Rio NeglLO basin are1）Reservoirscontro11edbylightandthe

thathappyashewastoreceivetheprlZe，hegl■OuPedinaccordancewithtwomecha−

bio−aVailabiIityofnutrients・Inthecase

WOuldlLatherthatprlZeS Were aWardedto

nismswhichlLegulatetlleirtrophicstate

OfreservoirsreceivlnghighconcentratlOnS

activescientists．

（TS），namely：1）thosedetelminedbythe

Ofsuspendedsolids，aSubstantialfraction

availabilityoflightandnutrients（LosoftheTPloadisnotmadeuseofimmedi−

Barreales）こ2）thoseregulatedonlybythe

ately．Suchpl■OCeSSisregisteredin LB，availabilityofnutrients（Limayreservoir

mainlyinthetaiLwaterareasandthefoト

PlusMariMenuco）▲RegulationbynutriT lowlngChainofeventsoccur：thehighload
OfsuspendedsolidsconditlOnSaVerylow
entsis related to the fact that tlle maXi−
mumconcentrationofclllorophyllaisreg−

isteredinthemixtureperiod（Winter）・The
globalTS controlpattern（in terms ofmeanchlorophylla）forbothbasinsiswell
outlilled．

Ttransparency which limits photosynthesis.
2）ReserYOirscolltrOlled only by theavailabiIityofnlltrients・TlleCOnCentra−
tionofsuspendedsolidsis qultelow・lnthecaseofAllCulLaandPDA，thepalLticu−

1atecontributionismainlylgneOuS，Silicic
he Rio Negrobasinislocatedin
thenorthofArgentinePatagonia， and the bio−aVailable P would be scarce．
fromtheAlldesmountaillrangetO Phytoplankton develops scarcely at theule Atlantic ocean．Its mainl■ivers EuLe theexpenseofthelowdissoIvedfracuonand

Limay and the Neuqu6n．which meetto

transparencyisdetermined bythe algae

make山eNegrolivel■．Precipitationiscon−developmentitself．AtPDA，TPconcen−

CentlLatedin the mol】ntain areas，and thetrationis not corTelated to TPload，Sincehy（1rologlCalreglmeOfthe Limay andthe particulate fraction sediments at the

Neuqu6nrivers shows adoublefl0wing

rearof山ereservoir，andthereisnoreLdis−

WaVe（rainan（lthaw）・Inspiteofsuchslm−
ilarlty，geOlogy，tOPOgraPhy andvegeta−

solution oflabile P fractions to the wa【er〔iondeterminethatthedrainagehavespeー
cialcharacteristics for each river：While

the Limayriver has naturalregulation
glVenbythepresenceofwoods．headwaterlakesandlowerslopes，theNeuqu6nriverlacksallthese，WhicllglVeSitatorrentlal
andilLregular nature with more violent
SWellings・Thelatterdetermines thatthe
SOlidloadcarl■iedbybotllriversbediffelL−entasregardsquantltyandthetypeOfsus−
pelldedsediments▲
Thisisananalysisofthechainreservoirs
located on the LimaylLiver．namely：
AliculLa（ALI），PiedradelAguila（PDA），

column．

A

H

OWeVer．tllis pl■1Zeis awarded

everyotheryeartosomeonewith
aslgnlficanttrackrecordinsub−」eCtSSuChasenvironrnelltalpreservaこion・ProfessorKira■s specialist fieldis plant

ecologyandregularreaderswillbefamiliar
withhismanyachievementsintheanalysIS
OfdataconcernlngtllePrOductionoforgan
ic matterin forests and carbo11Circulation．

He has worked extensively in souiheast

Asiaandinmany countries around theWOrld・Thispn2・e，LromamostprestlglOuS
JapaneseillStitution，is．we believe・bothwell deserved and highly appropnate.

Callfor
PapersTheEditors oftheILECJournalLakes＆ReservoirsニResearch a11d ManagemeIlt

Write：‖The well−trOdden path for those
globalanalysIS Shows thatthe concerned with the resolutioll of researchmaximumalgaebiomass（SuCllaS and managementproblemsinlakes and
ChloILOPhylla）ispresenteddul −ingthemixtureperiod（winter）forALI，reservoirsisclearlyslgnPOSted：definethe
problem；flndoutwhatothershavedoneto

PDA，LBandMM．ERMandARR（usual− resoIveitこdecideonthebestandmostprac−
1y withoutthermalstratification）mayticalmethodtoaddresstheproblem：imple

Sbow aseco11d maximumduring sprlng−

mentthemethod；analysetheresults；draw
COnClusions・Thereis a furthersteplntllis

Summerduetowaterbloomsofcyanobacp
teria．Deviations found between th

Path that alllLeSPOnSiblel●eSearChers andObservedchlorophyllaandthatexpected
fromtheapplicatlOnOftheequationspro−

investlgatOrStake：theymaketheirfindings【氾SedforthereglOn aTeeXplained by【llefact that tllelatter consider summer

Withoutacceptanceofthisresponsibility，
enormousduplication andwastageofeco

available to others＝they pubIish them・

Chlorophyllavalues・Ontheotherhand， nomic and scienLlfic resourcesis all

ExequielRamos Mexfa（ERM）and

a11reservoirs as awhole showamaximum

inevitableresultL Weurge you to accept

Antoyito（ARR），aSWellasthoselocatedOfchlorophyllregulated by the mean

OntheNeuqu畠nriver，formedbymeansof

depth．whichcoincideswiththetrendindl

youl■reSPOnSibilities・Youhavetheappl■0−
PrlateJOul■nal．sympatlleticeditors andare

Channeling works towardslandlowerlngS

CatedfortheAndean−Patagonianlakes・

assured ofrapid and wideinternationaladjacent【o therivel■bed，namely＝Los

Such a relation is used to forecast the

exposure・Seethebackpageofthisissue

BalTeales（LB），and MariMenuco（MM）．
Thesereservoil、Sarelocatedonagradienttrophicstateof蝕＝tuereSerVOirson thesefor contactdetails fol・〔heJournal．Welook

basins．

わ1■Wardtoyoul■paper・■3

FURELAKE−AMODELCASEILECScient漬cComitteeChairman，ProfessorJ￠rgenSen，StartSOffaseriesofarticles
onlakesthataremakingasuccessfu1comeback丘omperiloussituations・
FureLakeissituated closetoCopenhagen

1ng WaSteWaterforLakeFuredecidedto

dard．I＝laS also beenconsideredto remove（15r20kmfromthecentreoftown）■Itis

COnStruCtaPipelinetotlleSea（aboutlO

Phosphorusfromthestormwateroverflow

surl■Ounded on three sides by forest andkn1）todischargethemechanicalAbiological

tol▲educethephosphoruslnPuttO thelake

We【血Ids used asl■eCreatiorlalal eaS by tlle
CitizensofCopenhagen・Thelakeisused

wastewaterin＠resund．the waterbetweell

furthel・，but a finaldecision has not beentaken，ye【・almostentirely forrecreationalpurposes：

Sweden and Denmark．The third communir
tydecided tointroducemore advanced

forsailing，1■OWlng，anglingandswimmlng

waste water treatment，in the first ha11dt has furthermore been considered touseecologlCalenglneering toreach a

Ⅰ quickerreductionil−eutrOPhication・
MeasurementofthepllOSPhorus release
fromthesedimenthasshowllthatwhiletlle
externalloadingofphosphorus todaylS
about2・5−3t theinternalloadingcomlng
from the sedimentis as much as15 t．
Therefol・eit could be beneficialfor thel■eCOVeryOfthelaketoremovemol■epl10S−
Phorus fl■Om thelake by sIPhoning［hehypolimnicwater．treating this waterby
use of an activated aluminium oxide col−umn and discharglng the treated water（Phosphorus concentration Ee O・05mg／1）
downstreamofthelake・This pro、1eCthas
been estimated to cost3．5−4 milliolldol

Residents ReTax

1ars，While tlle〔1▲eatment Of alltlle StOl■mwaterwouldcostintlleOrderofl．5millioll

ChemicalprecIPltationwithpH−aqJuStmen［

dollars．In the filLSt CaSe aboutlOp12［ofSeaisonly12km）・Thelakehasanareaof［o ensure a high efficiency・By use ofpllOSpl101■uS Willbel■emOVed anllually・

19km2andthe depthisupto39m・The

ChemicalprecIPltatiol−aS tlle SO−Called

Whilein the second case only about1500【otalwatervoll】meislOOmillionm3．

directandatthesametimealsoaspostpre−（mainlyfoILChildren，aStl−edistancetothe

CIPitation，itwaspossibletoenslneaPhos−During the fifties and sixties，

phoruSCOnCentrationofOL25mg／1・Inthe

Copenhagenwasexpandedinthis
direction，becausemanypeople

Sixties33tofphosphoruswasdischarged
into thelake per yealL・Now after thefoundit auractive tolive close【o nature，

described measures have been taken，theand the districts north ofCopenhagen，

Phosphorusdischargedirectlytolakewas

where Fure Lakeis situated．is character−

reduced to about3t，halfofwhich would

izedbymanylakesandforests・Manyone

COmebythestormwateroverflows・

fami1y houses were built north of
CopenhagendulLingtllePeriodi950−1975・

Theet］trOPhicationwasreducedasacollSe−

Thisofcourseimpliesalsothatmorewaste

quenceofthe measures taken．butvel■yWatelLWaS discharged andin the sixties，

Slowly because theretention timeof theLake Fure was used to dischal■ge theWaterinthelakeisabout20years・Today，mechanicaトbiologlCaltreatedwastewa〔elmorethan25yearsafterthemeasureswerei．rom more thanlOO，（カOinhabitantsin thetaken．thetransparencyaLsprlngandsum

血ee communities adjacent to thelake・

merbloomisabol】t2m．

Tllis caused al】increased eutrophication
andthetransparel−CyOfthis beautifullake

Environmental Management

WaSduringthesixtiesdecreasedfromabout

Considerations Today

3−4mtoaboutlme〔el■a〔spl■1ngandsum−

Today．nitrogen removalhas also been

mel・bloom．

introduced．In accordancewithDanishlaw．

allwaste watel■treaしmentplants above
WasteWaterTreatment
Il−1972 twoofthecommunitiesdischarg
4

15．000inhabitants have tointroduce nitro
genremoval・8mgN／1istherequiredstan−FishingFure

Series

Mini−
Symposium

Lak！99ModelcomputationshavesllOWnthatifno
additionalmeasures are taken，it willtakeCopenhagen
kg／yeal◆▲another25yearsbeforethelakehasrecov−
ILEC and UNEPLIETCorganisedamini−
The8thInternationalConference on theeredinaccordancewiththepresentlnPutOf Conservation andManagementofLakes
SymPOSiumincommemoration ofWorld2・5−3t phosphorus・Thiswouldimplyan（17L21May，1999）wi11takeplacewhenit EnvironmentDaywith the working title
increasedtransparencyto about3m・It issprlngtlmeandpresummerinDenmark，
Thinkingofglobalenvironmentpl■Oblems
WOuld．howevelL，bepossibleto achievea
making amagnificentsettingforuleCOn− throughtheprotectionofwaterfoILlife ，Onbetterresultfaster，itmeanswithinlO−15
5June1998，attheLakeBiwaMuseumin
ference，years，ifeithertheproposedecoIoglCal
Kusatsu，Japan・¶−email10bjectiveof山eenglneerlngmethodswouldbeusedol・the ThebasicpolntOfanyconferenceisalways SymPOSium was【o raisepublic awarenes
storm waterwould be u：eated．Therealiza−

thesu句ectandthepapel■StObepresellted・tionofbothproposalswouldimplyagrad− The numberofparallelsessions willbe
uali皿pl■OVemelltOftlleb◆anSpal●ellCy〔04−5
mi1115−20ye甜S．
tllaS also beenconsidered toconvey
thewastewaterfromthe tbil■dcommu−

Ⅰ nitytothesea．butmodelresultsindト
Cute thati【is a waste ofmoney，aS the
SlplユOnlngOfhyI泊11mnicwatel■an〟orけeat−
mentofstorm water glVe muCh better
resultsfortheapproximatelysameamount
Ofmoney▲
What can we learn from thisCaSeStudy？

keptwithil−Certainlimitsinordertoavoid
too muchconfusion a11dh−uStratiollam011g

the participants at the conference.

S

WhenorganislngtheLake99Conferenceit

SPeeChandwas followedbypresentations

hasbeenconsideredverylmPOrtanttOhave

glVenbytwolocalenvironmentalistswho

SPOkeaboutenvironmentaleducation andal1activitiesgatheredataslnglegeographi−
callocation．Hence the Radisson SAS

lLeCOVerlngWaterqualitylnalocalbay・

Palconel■Center．wllicllisverynearとO tlle

CentreOfCopenhagen，hasbeenselectedas Alivelypaneldiscussionfollowedthepre
venue for the 8th International Conference

OntheConservation andManagementof
Lakes．

The theme ofthe Lake99Conference will

Sentation・Thepanelconsistedofwatersper
Cialists，a）Ournalist，thetwolocalenviron−mentalists and representatives from theWorld Health Orgallization and tlle
DirectorofIETC．

OfpollutionisverylmpOrtant・Ifthemea−

be allaspectsrelated to sustainablelake

Sul eStakenin1972wel■e【akenill19（〜2，Len

ma11agement・Henceitwillbepar【oF亡Ile

yearsearlier．the amoun［ofphosphorusin
thesedimentwouldhavebeenconsiderably
lowel■，an（ltllel■eCOVel■yOftllelake mucll
Fastel・．

progralmenOtOnly〔o encoul■agediscus−

SionsamongresearchersbutalsotoinvoIve
administl‑ative staff and drcision makzrs ina way tllatthelluge knowledge Lo bepl、e−sented can be absorbed and put into prac‑

Itis alsoshownthatanenvironmentalman−

OmelOO particIPantS，includil−glocalresidents，gathered fol◆the
SymPOSium・ILECPs Secre［aryGenel■alMr・KlyOSllihlaigavetheopenlng

Theenvironmentalmanagementstoryof
LakeFureshowsusclearlythatplLeVention〔owardsenvironmen［alprotection・

tice．

ThediscussionwasfollowedbypalLticIPa−
tionbytheaudience，andsomeofthecon−
CIusionsdrawnfrom thesymposium werethatindividualsneedtotakemorel●eSPOl−Si
bilityfor theiractionsregardingconsump−
tlOnandwaste，andthatbehavioul●alchange
isfurtherneededforustogetbackintouchwithnature．

agementplanhas toconsiderallsources，nDenmark，1akemanageInenthas for
manyyearsbeenputveryhighonalist
reduceallsolnCeSaSearlyaspossible・Itis
CVidentn■Om aPhosphorus balanceofthe Ⅰ OfprlOrity・Technicalexcursions toand thatit would always be beneficialto

lake that the treatment（Phosphorus

1akesinNorthZealand（1day）andJutland

removal）ofthe storm wateris cruCial．A（2days）wi11bearrangedinrelatlOntOthe【reatmentofthestorm water asearly as

COnference・This willglVetheparticipants

1972wouldhaveimpliedthatthesedimentanexcellentopfX）rtunity仁OSeeSOmeOfthe

today would havecontained30−40tless

PrOblemsandachievedresultswithinlake

Phosphorus which wouldimply acorre−mallagementwithregardtoconservation．

SPOndinglyfastelLreCOVery・

restoration．handlingofwastewaterandcreL

Thnk【咽0†Gr（〉balEnvi「0nTⅥent P「【〉b】e爪弓
肘口Ughlh￠Pr01モCt0れOfW由r†￠「Lrfeationofwetlands．

Thestudyhasfinallyshownthatitisbene−
ficialto use ecologlCalmodels to geta
goodoverviewandcomparisonofthevari−

Withlessthanayearto goto theconfeト
ence，COnStantuPdates are glVen On theous environmental management plans.

Lake99homepage：http：／／www・1ake99・dk／

ModellinglS aneXCellentmanagement
tool，PILOVidedthatitisnotoversoldandfor

Finally．authorsareaskedtosubmitpaperS

instanceusedoutsideitsrangeofapplica−

beforelNovember1998．More details canbility・befoundonthehomepage・

SymposiumPanelists

ProfileonProfessorJinXiangcan
ILECScientificCommitteeMember

ILEC〃ICA

nainlngCourse
AnadiShrivastava，aPILOfessorJin Xiangcanisanoutstanding

The studiesperformed byProfessorJin

scientistin the field oflake environment

Xiangcaninllisearlyresearchcenteredon

andlakepollutioncontrolinChina．Hehas
conducted long and thorough siudies on

thetransferenceandtransformationoffX）ト
1utantsinbothsolidandliquidphasesand

morethan401akesinChina・CurrentlyhePartition coefficientresearch oftoxic

ix the Technical Director of the Chinese

chemicalsin China．Later he turned to thegovelL11mentPrO．TeCt Pollution ControI

Studyoftechnology andmethodologyof

Projects ofTllreeLakes（Lake Dianchi．

lakeeutrophication・In thisfield，he was

LakeTaihuandLakeChaohul．

amongtheplOneerSWhobeganresearching110n−POllltSOurCeCOntrOltechnoIogylnlake

intheformofqualitydeterioILation・Outofrofessor Jin Xiangcan was born ineutrophicatlOnCOntrOlanddevelopedsys−

O．01％is available as fl・eSllWatel・in diffel■−

1945inZllqJiangProvinceofChina・

tematicresearchoflakeeutrophicationin

entlakes andrivers oftheworld．Looking

Heobtainedadegreeinpaleo−biol−

China，He also contributed to theestablishr

attheseverltyOfwatercontaminationprob−

P

traineeonthecoursefrom
India，Writes：W

ater．oneoftllemOStimportan〔constituents of the environ−ment．isalsofacingabigthreat

山etotalwatel■aVailableonoul planet，Only

ment of applicable methods foILlake

1em these flLeSh water resotjrCeS Should be

gainedafulLthelLdegreefromthesameuni−

eutrophicationiIIVeStlgationandevaluation

PreSerVedfrompollution・Anthropogenic

versity in environmental geochemistry ininCbina．

activities，1ackofeducation，illadequate

0呂y丘omBe恒IlgUnivel■Sltyln1970，He

1■Ofessol■Jin s present activities al■efunds andimproperwastewatel■trea〔mellt
tecllnOlogleSarereSPOnSibleforfreshwa【cl■mainlyd汀eCtedtowardsecologlCal

COntamina［ionindeveloplng COun［riesr

treatmentenglneerlngforlakepol−

Mos［ofthedeveloplng COuntries s【illfin〔11982．andstudiedabroad during1987and
1988．
n1982he become a member of theP

S〔affoftheChineseResearchAcadとmylution which consists ofcomprehensive

themselvesincompetenttocaterforbasic

Ⅰ OfEnvironmentalScience（CRAES）

treatmenttechnology，1akeshoreecologlCal

needs such as food，Shelter，Clean watel■．

and took over as Ditector of the Researcll

recovery technology．in−1akesubmerged

medical．health and sanitation facilユtleS andInstitute ofWater EnvironmentalScience

macl■OPhyterehabilitation technology，lake educationtotheircitizens．

WaterSOurCeCOnSerVationforestrestoILatlOn（RrWES），CRAESin1988．RrWESisone
Oftllemq］Orinstitutes onlimnologyln

tecbnology，andlakeenvirol−mentalexpel■【

Ln identifyine with the above fact alld

Cl−inaanditspl●eeminentactivltyisdirecト

SyStemS・Hehascontributedtomorethan

relatedproblems．ILEC has done aedto【hestudyoflakesfunctionlnglnnat−

80scientificresearch actlVities，including Ⅰ greatjobinorganizlng［heLakeWater

ural．polluted and recovering situations，

importantgovernmentworkintlle6thL7th

QualityManagemel−ttralningprogramandan（ltomanagementinfol●matiollSyStemSOf

and8thFive−yearPlanoftlleChinesegov−

PrOviding opportunities to candidates oflakeenvironment▲Theinstitu［ecooperateS

ernment・Hispublications coveravariety

developlng COuntries tolearn aboutthewith severalChineseuniversitics andinstトtu（esinmar）ylaketreatmentprqJeCtS・Suchof stl】diesin the field oflake environment CauSeSOfpollutionintheprocessofdevelL
PrOteCtion・Hehaspublished15composi− OPmentandtheircontroltechnologleS▲Itis

i11terlla［ionalactivities as academic

tions（including translations）．andiss】jedaglLeateffortbeingdonebyILEC．tllrOughexcllangeSal■ealsocarriedoutintlleinsti−

more thanlOO scientific papers and

JICAand the Shiga Prefectural

tute to keep in close touch with experts

reseEuLCllrePOrtSinnationalandinternation

abroad as wellas toleal▲n andmake use of

alJournals．

Govel nment【o trallSfertechnologyto thedeveloplng COuntries for theircapaclty
buildinglnPreSerVationoftheenvironment．

advanced technology and achievementsin
tlleWOl・1d．

ProfessorJinis amembel・Of the scientificCOmmittee of しheinternationalILEC

This training program is a good platform

Journal，LakeandReservoirs：ResearchandfortheparticIPantSOfdeveloplngCOun［riesManagement・Heis anexpertmemberof

to meet．interact and share theil・ideas andthe United Nation、s GIobalTerrestrial

knowledgeal−ddiscusstheproblemsbeing

Observing System（GTOS）．Heis aiso a

facedbythewaterbodiesintheilLreSPeCtive

memberofagreatnumbelLOfnationalandCOuntlLies・WewereglVeneXPOSuretOdifr

internationalcommitteesincluding theferelltPrOblemsrelatedtowatercontamina−

ChineseResearch＆EngineeringCenterof

tion．through observatiollS．lectures andpracticals which may add new dimensiolls

Lake Environments（Director）．Chinese
WaterEnvil■OnmentalSociety（General to approach problems and solutions．Itis
Safe［osaythattheknowledgeacquiredby
Secretary）．theInternationalWater
theparticIPantSthroughthiscoul◆SeSha11be
PollutionResearchandControIAssociation

ProfessorJinXiangcan
6Committee，Chinese Environmental

usefulilltaCklingand solvil−gtlleenViron−

MonitoringCommittee，and theChinese

mentalproblems facedin theirrespective

EnvironmentalGeograplllCalSociety，COuntl・ies．

エA＆E∫0ダr仔gWO尺エD

RANGLAWモTLANDCOMPLEXrPAKISTKASHIFSHEIKH
Pakistaniwetlands are one oftlle Slgnifi−

1ngandtokeepbhdsandwildlifeaspetS・

Cantfaunalandfloralllabitats，Whichpro−

WC is a very crucial wetlalld forVide astreamofbiologlCal，eCOnOmicand

Thesewetland are verylmPOr［antdue to

SOCialbenefits tomankindinavarietyof

thefactthattheyareusedbythemlgra［ory

R

WayS・

SPeCiesofwaterbirdsforbreeding，Whogo

IndusflowscIoseandprovidesrefugetoa

furthelLtOIran and Afghanistanin their

VarietyofmlgratOry SPeCiesincluding a

the bird populations visiting andbreedingln［he area・The River

RanglaWetlandComplex（RWC1300C40／

mlgratOryrOuteS・Themostimportantof

good numberofLesserWhistling Teal・

N，7lOll′Eis situatedin the Puniab

these are the Marbled Teal肋J7na7・fVnetfa

Due to distt］rbances these speciesoften（Soutll）provinceofPakistan・Itconstitutes angustil OS［ris and Fel、1、uglnOuS Duckmovetothesenearbywetlandsforfeedil−gllsmall【01al■geWetlaJldsinanal◆eaOf40

AyLhyanyroca，Which breedsin the area・

kmコ．These wetlands constitute an area of

TheMarbledTealhasbeendeclaredglob

andrefugebothinthesummerandwin［er−1ngSeaSOn・

approximately35hectares to60hectares▲

ally threatened and the population of

The smallwetlands arecovered bysand

FerruglnOUSDuckisvulnerable．Thereisa

The situatio110f these wetlandsis deterio−

dulles and a scattered population ofVarietyofotherbirdspecies whichcome

ratingdue tomanyfactors・Thewetlandsタカ′− g′77∫Je∫Onthesides・

forbreeding andthe正nestscan befoundare both ovel■uSed，including bywildlift！．
and they al●e also decreasingln area aS

Water，Onisolatedislandsin the wetlands

Well・Thelocalsusethewetlandvegetation

tion cover of30−50％．The mainandon thegl■Ound alongtheshoreofthe

formakingmats，Chairs，l◆00ftops，Walls，

Vegetationdominanceiscomprised

Wa〔el■．

boundaries ofllOmeS and for various

indigenouspurposes・Theintrusions are

OfP′〃αgJ氾∫，m／乃7■止＼d−ノ（わ▲anT

alongthesidesoftheroad，floatingonthe
hese water bodies have a vegeta−

乃p／ヱαCOnmul山ies・¶1edeptl10rWa【el■is

Thesewetlands arenaturaldepressionsin

going inside the water bodies throughh■Om3to15feet at different sites of thetheearth．which arefilledbythegradualexpanding agrlCulture．Theeducationlevel

Wetlands・The［emperaturesinthesummer

SeePage Ofthe water and someinflow ofis verylowin the areaand thelocalcom−
munitleSarelivlnglnCOnditionsofextreme

goupto490c・Tl−eWetlandsalsosupporta

Smal1co抽ibutlngStreamSOrlglnatlngfrom
Smallfishpopulation，mainlylocalcarps，
thecanaユsL Alotofwaterloggedlandis

POVerty・Threats to the wetland also

Which wereintroduced to the wetlands．

also found in the area which were formed

includeextensivereedcuttlng．UPrOOtlng，Veryremote but丘iendly．ruralpool■COm−

duetotheconstructionofacanalsystem
Wheresometimes［hewaterlevelrises up

WOOdcuttlng．1ivestocktramplillg．OVer−

munitiesofPunJabiandSaraikilanguage
peakers have lived here for centuries and

CatユSlng Waterlogglng andinundationin

availablefornestlng，andhuntlngPl■eSSul■eS

have［heircenturiesold traditions forhunt−

the犯・ea．

bythelocalofficialsalldthelocalelite．

grazlngWhichreducetheamountofhabi［athellabitats can only be main−Ttained／sustained／restoredthrougl一山e use of a wellworked weLlaIl〔1management and research plan，Whicll
Shouldcoveralltheactorsofthecolllmuni−
tyandtheevaluationofthewi1dresources
intheareaforsoundmanagementin【11efield．Environmentaleducationis a must
and［hetrainlngOflluntel、Sall〔1thewildlife
Staffis ano血el◆pre−l■equlSi〔e fol■pOSitive
results・The OrnithologlCalSociety ofPakistan．witllthefil−anCialhelpofUNDP・
is conducting a study at the site．
Nevel■theiess，amOrerefinedandmul［ir〔1is−Ciplinaryapproachisrequilledforthecolト
SerVationoftheseunlque habitats．which
are a hope foILthe mlgratOry Waterfowl
movingln and across Pakistan・Rangla

RangTaWetlandCompTex

needs a declal・ation［o have amuch better
StatuSbylaw・7

New Publications
GllidelinesofLakeManagement・TheWorld−sLakes
inCrisis，EditedbyS．E．J＠rgenSenandS．Matsui・（InternationalLakeEnvironmentCommitteeandUnited
NatiollSEllvironmentProgramme）

lgEvents
BICER，BI）PandDIWPA
JointInternationalSymposillmOnLakeBaik之II

PacincoYokohama，Japan6−8November1998
Contact：Kq】iMinoura（SecretaryGeneral）
InstituteofGeologyandPaleontology，FacultyofScienc
InthiseighthbookintheGuidelilleSeriesofbooks，the TohokuUniverslty，Sendai980−8579，Japall
ISBN：4−906356−23−0

authors describeissues ofimpactofglobalwarmlllg On Fax：81−22−217−6（534Email：minoura＠dges．tohoku．ac．Jp
lakes and reservoirs，aCidificatiol10fthe Scandinavian
lakes，mail−PrOblemsinChilleSelakesalldtheirrestoratioll，

ellVirollmelltalproblems ofLakeNasser，Nubia，Water18thInternationalSymposiumoftheNorthAmerican
qualltityandqualityrelatiol−Shipforbuma11uSeSOfreser− LakeManagementSociety（NALMS）
VOirs，andtheresultsofsurveyofthestateofworldlakes．
AvailablefromILECillAugust1998

Theme：CooperativeLakeandWatershedManagemellt：
Lil−killgCommullities，IndustryandGovernment
BanffSpringsHotel，Banff，Alberta，Callada

Lakes＆Resel・VOirs，Re5eard＝mdManagement
Volume3，Issuel，March1998
Volume3，Issue2，June1998

ll−13November1998
Contact：BrianG．Kotak
Alberta−PaciflCForestIndustriesInc，Tel：1−403−525−8431

ThesetwoissuesofILECsJournalfeaturearticlesas

Email：kotak＠compusmart．ab．ca
diverseas ThecurrentproblemsofLakeBalkalecosystem http：〟www．biology．ualberta．ca／alms／1998．htm
COllSerVatioll l／lStatusofglobalreservoirs：Thepositionin
thelatetwelltiethcentury， Volga−KamacascadereseトInternationalWaterSupplySympositlminTokyoT98
VOirsalldtheiroptlmaluse ，ExergycolltelltillthepelaglC
foodchaillOfLagoMaggiore ，and‖Allimprovedparame−
Theme：WaterSupplySystemsintheUrbanEnvironment：
terestirnationproceduTeinlakemodelling．

PerspectivesontheFuture
BothissuesanddetailsaboutsubscribingtotheJournalareavailablebycontactillgKateAspinallatBlackwellScience
Asia，54UlliversityStreeしP．0．Box378，CarltonSouth，Victoria3053，AustJ alia．

TokyoInternationalExhibitiol−Center，Tokyo，Japan

19−20November1998
ColltaCt：lnternationalWaterSupplySymposiumillTokyo
198，C／oMallagementalldPlallningDivision，Bureauof

Tel：61−3−9347−0300
Fax：61−3−9347−5001
Email：Kate．Aspinall＠blacksci−aSia，COm．au

Waterworks，TokyoMetropolitallGoverllmellt
Tel：81−3−5320−6356

Fax：81−3−5388−1678
http：／／www．tokyo−teleport．co，jp／tokyo−Suido／忽〃ゾrg胱4rJO∧ら4上上AÅE且∧rγ〃？0〃犯EⅣr CO掴凡打rTI百石ダOL犯4プ70ノⅤ
10910「（）Shinlr）−Cllr）．KtlSこItSし1て弓ty，Shig；1525−0001．Jal）a11

Tビl：＋81−77−5（）8−4567．F乙−X：＋81−77−568−4568，Enlajl：】11fr）申■nlajl．ilビe．nr．J】）

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