汾河太原段硅藻多樣性研究及水質(zhì)生物學評價.pdf

1、山西大學碩士學位論文汾河太原段硅藻多樣性研究及水質(zhì)生物學評價姓名：苗治國申請學位級別：碩士專業(yè)：生態(tài)學指導教師：王翠紅20070601ABSTRACTThealgae，whichisthemostimportantelementaryproduceronearth，hasthemostimportanteffectinmaintainingthebalancetotheentireaquaticecosystemSothealgaebi

2、odiversitydestroyingwillcertainlyleadtovarietyofalgaebiologicalcommunitystructureandthebalanceofnatureTherefore，withenvironmentproblemaggravating，biodiversityofalgaewillbepaidmoreattentionTheplanktonicdiatominwaterfromth

3、eFenhereservoirtoTaiyuanistheobjectofstudyapplieddifferentquantityanalysismethodtocarryoutallroundsystematicanalysisontherelationbetweentheplanktonicdiatomandenvironment，andfinallyidentifyedout18categories，95speciesofpla

4、nktonicdiatom，ThediversityindexofShannonWeaver、thediversityindexofSimpson、evennessindexofLloydGhelardiandrichnessindexofMargalaefwhichbestandardizedbyfuzzymembershipfunction，havebeencarriedouttoevaluatethewaterqualityofF

5、enheTheresultindicates：waterpollutionofFenhehascertainregularitythepollutionmainlyfromthedomesticsewageandtheindustrialsewagebringaboutalongthewayandpollutionincreasingfromthetopdownSecondlyResearchthefunction、status、eco

6、logicaladaptationandecologicalsimilarityofplanktonicdiatomindifferenthabitatsbyNichebreadthindexofLevinsandNicheoverlapindexofPetraits，atthesametime，analyzestabilityofaquaticorganism，realizetheusingstatusofmainkindofaqua

7、ticorganismrespectivelytovicinityresourceandthecompeteconditionwiththeotherspecificTheresultindicates：InthewaterofFenbe，theNichebreadthdifferenceofthedifferentalgaeorganismisbigger，thenichebreadthdifferenceofbroadspectru

8、mspeciesissmaller，whichisunsuitabletodothebioindieatorofwaterpollutionThespeciesoflessNichebreadth，whichhascertainrestrictivedemandsometimestotheenvironment，arethebioindicatorofaquaticorganismmonitoringTheNichebreadthofN

9、itzschiapalea(Kutz)彬Smithisthebiggest，becauseofitisgeneralizationspecies，itcanuseallsortsofresourcesTheNicheoverlapof30commonspeciesisgenerallylowsocommunityisstabilizedFromtheecoresponserate，aggressionofMelosiragranulat