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1、東海管水母類生態(tài)研究第27卷增刊2003年9月水產(chǎn)JOURNALOFFISHERIESOFCHINAVo1.27,Supp1.Sep.,2003文章編號:1000—06l5(2003)增刊一0082—09東海管水母類生態(tài)研究徐兆禮,張金標,蔣玫(1.中國水產(chǎn)科學研究院東海水產(chǎn)研究所農(nóng)業(yè)部海洋與河口漁業(yè)重點開放實驗室,上海200090;2.國家海洋局第三海洋研究所,福建廈門361005)摘要:根據(jù)1997—2000年東海23.30～33~00N,118.30～128.00E海域4個季節(jié)海洋調(diào)查資料,對東海
2、管水母類種類組成及優(yōu)勢種,數(shù)量分布,生態(tài)類群等作了探討.結(jié)果表明:鑒定到種的管水母類有40種,其中寬板無棱水母(Sulculeolariabigelowi)為東海區(qū)首次記錄;主要優(yōu)勢種有五角水母(Muggiaeaatlantica),雙生水母(Diphyeschamissonis)和擬細淺室水母(Lensiasubtiloides)等.管水母類總豐度春季最高(491ind?10?mI3),夏季最低(66ind-10?m);平面分布不均勻,一般東海近海高于外海和臺灣海峽海域.東海管水母類可分為3個生態(tài)類群
3、,數(shù)量上以近岸低鹽廣溫類群占優(yōu)勢,65%的種類由廣高溫高鹽類群構(gòu)成.關(guān)鍵詞:管水母類;生態(tài)學;東海中圖分類號:Q958.8文獻標識碼:AEcologicalstudyonSiphonophoraintheEastChinaSeaXUZhao.1i,ZHANGJin—biao,JIANGMei(1.KeyandOpenLaboratoryofMarineandEstuaryFisheries,MinistryofAgriculture,EastChinaSeaFisheriesResearchInstit
4、ute,ChineseAcademyofFisheriesSciences,Shanghai200090,China;2.ThirdInstituteofOceanography,StateOceanicAdministration,Xiamen361005,China)Abstract:Basedonthedataacquisitionedintheseasonalsurveyconductedfromtheseasonsofspringthroughwinterintheperiodof1997to
5、2000intheEastChinaSea(23.30一33.00N,118.30一128.00E),thecommunitycompositionanddominantspeciesofSiphonophoraaswellasitsabundancedistributionandecologicalcommunityintheseawerestudied.Forty(40)speciesofSiphonophorawereidentified,arrmngwhichSulculeolariabigel
6、owi(Sears)wasnewlydiscoveredinthesea,andMuggiaeaatlantica,DiphyeschamissonisandLensiasubtiloides,etcwereclassifiedasdominantspecies.Mostofspecieswereappearinginoffseaintheseasonsofspring,autumnandwinter.Insummerseasonmorespecieswereinhabitableinshorewate
7、rofthesouth.errlpartoftheseaandthemostdistributedinoff-seaandtheTaiwanStrait.However,intheinshorewatersofthenorthernpartofthesea,thenumberofspeciesbecamelessinthewholeyearround.AsSiphonophoraWasverysusceptibletothetemperatureandsalimtyofseawateranditsran
8、geofadaptabilitynotwide,itWasfavourabletorelativelystableenvironmentofseawater.Bothspringandautumnseasonswereitsdistributionalseasons,andsoSiphonophoraWaswidelydistributedinKuroshioandTaiwanWarmCurrentintheseasonofwinter,b
