汾河太原段硅藻多樣性研究及水質(zhì)生物學(xué)評價.pdf

1、山西大學(xué)碩士學(xué)位論文汾河太原段硅藻多樣性研究及水質(zhì)生物學(xué)評價姓名：苗治國申請學(xué)位級別：碩士專業(yè)：生態(tài)學(xué)指導(dǎo)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