蒙古裸腹溞和缺刺秀体溞的种群生长与种间竞争

《蒙古裸腹溞和缺刺秀体溞的种群生长与种间竞争》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、上海海洋大学硕士学位论文cP彪6翻s括．neminimumalgaLlconcentrationandinoculateddensityforsuccessfulmasscIlltureofD．ce昆6P忍s西shouldbe1×106．3×106Cell．ml。1and100ind．1～，柚dalgaconcentrationshOuldbeiIlcreasedwiththeincrease0fpOpulationdensity．1mc10walgalconcentrationandinoclllateddensityforD．cP比6蹦s括t0fo咖aS

2、tablepopulationrenectadaptabilityofthecladocerato0li90trophicwaters．Inalaboratoryexperiment，朋：历D，l弘矗c口aIld上)．ce比6阴s括werep01yculturedatinoculatingdensityof100／100(ind·l-1／ind·l-1)underthreelevelsofsalinity；j．e．，10，20，30，while肘：mD，z印，fc口孤d上)．ce坳删s妇monoculturedwiththesameinoculated．de

3、nsity(100砌·l。1)at“erysalinitylevelwereusedasthecontr61．neresultsindicatedthatinterspecificcompetitjondidexistbeMeenMmD甩护雎c口孤dD．ce跆6朋5括whent11eset、)l帕speciesCoexistedinamicrocosmregardlessofsalinitychange．』缸thepropHaseoftheexperiment，depressedpopulation．densityof上)．ce比易绷诱resultedf1．

4、omthecoexistenceofM辫绷护妇露andD．贸妇6朗s括maintainedatextremelylowdensityillthepolyculturedmicrocosms，whereasthenegatiVeef!fbctofcompetitiononMmD，lgD珐c口populationwasrelatiVelyless．HoweVer'reducti伽姐dfluctuationofaVailablefoodalongwiththepopulationi11creaseillthepolyculturedmicrocosms1edtos

5、ignificantdepression0f^么mD玎gD娃c口populationcomparedwitllD．ceZe6e，ls￡，populatiOnattheaIlaphase．BOthinthepolycultureandthemonoculture，populationsof膨所D，lg，DZ记口柚d上)．ce跆6e珊括伊ewrelatiVelybetterwhensalinitywere10aIld20，whereasthepopulationabundanccdecreasedsi印ificalltlyatthesalinity0f30．At

6、thes锄etime，thehi曲erthesaliIlitywas，themoresi印i6cantthecompetitiveadVaIltageof朋：mD，lgrDZic口populationperfb姗ed．AtthesalinityleVelof10，20锄d30，maximumpopulationdensitiesofMmD炒矗c口underthemonoculturcwere11070，11125and9125ind·1．1，andwere10170，9395and8365ind·l-1undertllepolyculturc；thec011

7、respondingValuesof上)．ce纪6已，ls括were11470，10320，5070ind·l-1and2520，2905，245iIld·1．1．Inaddition，atthesalinitylevelof10，20and30，averageincreasingratesof膨，，lD咒90fic口pDpulationunderthemonoclllturewere0．0707，0．0640andO．0655，andwereO．0618，O．0584and0．0629underthepolyculture；thecoHespondingV

8、aluesofnce比6e，ls话wereO．066