太湖三個(gè)湖區(qū)浮游動(dòng)物群落結(jié)構(gòu)周年變化的比較研究.pdf

1、華中農(nóng)業(yè)人學(xué)(10504)分類號(hào)：F8Lt6‘38碩十學(xué)位論文密級(jí)：太湖三個(gè)湖區(qū)浮游動(dòng)物群落結(jié)構(gòu)周年變化的比較研究ANNUAICOMPAR，、TIVESTUDIES0NSTRUCTUREOFZOOPLANKTONCOMMUNITYINTHETHREEAREAOFLAKETAIHU專業(yè)：水產(chǎn)養(yǎng)殖Speciality：Aquaculture研究方向：養(yǎng)殖生態(tài)學(xué)Subject：AquacultureEcology研究生：楊桂軍Postgrad

2、uate：fangGuijun導(dǎo)師：王衛(wèi)民(教授)劉正文(研究員)Supervisor：ProfWangWeiminProfLiuZhengwen華中農(nóng)業(yè)大學(xué)水產(chǎn)學(xué)院FisheriesCollege，HuazhougAgricultureUniversity中國(guó)湖北武漢430070Wuhan430070，Hubei，People’sRepublicofChina二零零五年五月May2005楊枉軍：太湖三個(gè)湖區(qū)浮游動(dòng)物群落結(jié)構(gòu)周年變化的【

3、二較研究ANNUALCOMPARATIVESTUDIESONSTRUCTUREOFZOOPLANKTONCOMMUNITYINTHETHREEAREA0FIAKETAIHUAQUACUIJUREMASTERPOSTGRADUATEIN20051ANGGUIJUNSUPERVISORPROF、7l佾NGWEIMIN，PROFLIUZHENGV嘎NABSTRACTThestudyonannualvariationofcommunitystr

4、uctureofzooplankton(Copepoda，Cladocera，Rotifer)andthecorrelationbetweenecologicalfactorsandzooplanktonwasconductedinLakeTaihuinJiangsuprovincefromOct2003toSep2004Fortyspeciesofzooplanktonwasidentified，amongwhichtherewere

5、7Copepodaspeciesin6genera，tOCladoceraspeciesin6generaand23Rofiferspeciesin12genera。ThedataindicatedthatthelevelofeutrophicationwasthehJighestinLakeWulihu，hJighinMeiliangBayanditwasrelativelylowinLakeTaihuThenumberofzoopl

6、anktonspecieswas40inLakeWulihu，37inMeiliangBayand33inLakeTaihuAndtheannualaveragedensityofzooplanktonwas384ind／LinLakeWulihu，309ind／LinMeiliangBayand218ind／LinLakeTaihu，respectivelyAlso，theannualaveragebiomassofzooplankt

7、onwas355mg／LinMeiliangBay33img／LinLakeWulihuand262mg／LinLakeTaihuseparatelyThedataindicatedthatthedominantspeciesofzooFIlanktonwereDaphniahyalineinspring，Microcyclopsvaricans，Limnoithonasinensis，Bosminalongirostris，Ccorn

8、utainsummerBosminalongirostris，Ccor療utainautumn，Brachionuscalysiflorus，Brachionusangularism，synchaetapectinatainwinterinLakeTaihuThedominantspeciesofzooplanktonwasthesameasLlkeTaihuinMeiliangBayThedominantspeciesofzoopla

9、nktonwereMoinamacrocopa，Bra幽ionuscalysiflorus，Brachionusangularis，Synchaetapec矗natainspring，andMesocyclopsleuckarti，Bosminalongirostris，Diaphanosornabrachyurum，PotyarthratrigtainsummerandBrachionuscalysiflorus，Monostylab

10、uHainautumnandBrachionuscatysiz70rlls，Brachionusangular拈inthewinterinLakeWulihuTherewerehighlysignificantpositivecorrelationbetweenCopepodaandTPandWTgreatlysignificantnegativecorrelationbetweenCopepodaandNH4NTherewerehig