25401.準(zhǔn)噶爾盆地南緣三種食肉動物的食性及其種間關(guān)系研究

1、新疆農(nóng)業(yè)大學(xué)碩士學(xué)位論文準(zhǔn)噶爾盆地南緣三種食肉動物的食性及其種間關(guān)系研究姓名：林宣龍申請學(xué)位級別：碩士專業(yè)：動物學(xué)指導(dǎo)教師：時磊201005IIDietHabitatInterspecificRelationshipofThreeCarnivesintheSouthernJunggarBasinAbstractFoodisalinkbetweenanimalenvironmentnotonlyftheanimalsneededfsurv

2、ivalreproductionofmaterialenergybutalsotheestablishmentofanimalcommunitiesinavarietyofspeciesrelations.AsystematicstudiesofdiethabitatinterspecificrelationshipamongredfoxVulpesvulpescommonkestrelFalcotinnunculuslonglegge

3、dbuzzardButeorufinuswerecompletedbyfecalanalysisfrom2002to2008inthesouthernJunggarbasinXinjiangUygurAutonomousRegionChina.Thedietsofthreecarnivesweredeterminedusingtwofecalanalysismethod:numericalpercentagebiomasscontrib

4、utiontheinterspecificrelationshipamongthethreecarnivesweremeasurementofnicheoverlapsPiankaindexcompetitivecoefficient.1.Weanalyzed385fecalsamplestodiscussthefeedinghabitofredfox.Resultsrevealedthatsmallmammals(69.85%)are

5、theprimarydietfredfoxinsects(16.12%)reptiles(11.36%)plants(7.69%)birds(4.76%)asfollows.ThemostimptantbiomasscontributionsofpreygroupinfecalofredfoxwasLepuscapensis(60.08%)thenwasMerionesspp.(19.56%).Dietcompositionsofred

6、foxchangedgreatlyfrompuprearingperiodtodispersalperiodthepercentageofdietarycompositionbetweenthetwoperiodswassignificantlydifferent(Pearsonχ2=43.729df=15P0.001).Thefooddiversityofredfoxinthewholeperiodwas1.937inpupreari

7、ngperiodwas1.865thenwas1.848indispersalperiodtheevennessindexwas0.699from0.727inpuprearingperiodto0.700indispersalperiodthusthestardizedLevins’indexwas0.223from0.267to0.246.2.Westudiedthedietsofcommonkestrelbyfecalanalys

8、is798foodpelletswerecollectedinthestudyarea.Resultsshowedthatsmallmammals(66.21%)aretheprimarydietfcommonkestrelinsects(17.77%)birds(8.36%)reptiles(7.66%)asfollows.ThemainfoodthroughoutthetwoperiodwasMerionesspp.basedont

9、hebiomasscontributionswas52.40%ofpreygroupincommonkestrel’sfoodpelletthenwasRhambomysopimuswhosebiomasscontributionswas32.13%.Therewassignificantvariationindietinbreedingperiodnonbreedingperiodthepercentageofdietarycompo

10、sitionbetweenthetwoperiodswassignificantlydifferent(Pearsonχ2=75.469df=15P0.001).Inthebreedingperiodthefooddiversityofcommonkestrel(H=1.822)waslowerthannonbreedingperiod(H’=1.901)whileevennessstardizedLevins’index(E=0.71

11、1Bsta=0.256)werehigherthannonbreedingperiod(E=0.702Bsta=0.253).ThefooddiversityevennessstardizedLevins’indexinthewholeperiodwere1.9280.6950.230respectively.3.Wecollectedanalyzed367foodpelletsfromlongleggedbuzzardinthestu