三江平原地區(qū)丹頂鶴（Grus japonensis）巢址選擇.pdf

1、東北林業(yè)大學(xué)碩士學(xué)位論文三江平原地區(qū)丹頂鶴（Grusjaponensis）巢址選擇姓名：劉學(xué)昌申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：野生動(dòng)植物保護(hù)與利用指導(dǎo)教師：鄒紅菲李曉民20060601東北林業(yè)大學(xué)碩士學(xué)位論文AbstractSamplingmethodsweretakentomeasurethehabitatimpactsofnestingandnon—nestingareaofRed—crownedCraneinXingkaiLake，San

2、huanLakeandHongheNRandSanjiangNRinreservefrom2004and2005ANOVA，IndependentsamplesTtestandCorrelationanalysisstatisticswereusedtodeterminethedifferencebetweennestingandnonnestingareaofRedcrownedCraneTheresultsrevealedthatt

3、hereeddensityheight，areaandwaterweremainimpactsonnestingsitesselectionofRedcrownedCrane、Ⅳi廿1expectedvalueand95％confidenceintervalof29116，42]／mz，102[90，113】cm，14998[6557，29592】m2，78【65，92]cm；Correlationanalysisindicatedth

4、atnosignificantcorrelationbetweennestsstructureindexandvegetationunderthatWeakandminuscorrelationweredeterminedbetweenthecoverageofvegetationandnestsstructureindex，whichmeansthatthecompositionofnestswasnotstrictlyselecte

5、d，andthematerialusedwerenotfundamentalimpactsofnestingselectionHowever，waterdeepnessinfluencenestssizegreatly’andtherearecorrelationbetweenwaterdeepnessandvegetationandcoverageTherefore，weconcludedthattheselectionofwater

6、deepnessunderwaterWaSthecomprehensiveresultsofmanyimpactsNestheightandwaterdeepnesswasnotrelatedwitheachotherbutcorrelated、Ⅳitllheightupwaterwhichrevealedthatthenestsheightwillnotinfluencedbywaterlevelundernestsandthedep

7、endenceofreproductionofRed—crownedCraneonwetlandSomemethodsofMultivariateStatisticalAnalysissuchasPrincipalcomponentsanalysis，logisticregressionetcwereusedtodeterminethecoverageincludinghumandisturbancelimitingnestingsit

8、eselectionofRedcrownedCraneTheaveragedistancebetweendisturbanceandnestingsitesWaS1499mwith95％confidenceintervalof[1059，1939】minSangjianPlainAreas；whilethatis1730minXingkaiLakeNR、析mtheaveragenestsareaof235km2，the95％confid

9、enceintervalWaS[115，417]km2，Redcrownedcrane’ShabitatqualityandcarryingcapacityweredeterioratedRclassifyandQclassifywereusedintheeasternpopulationofRedcrownedCranereproducinginSanjiangPlainAreaSandthewestempopulationinSon

10、gnenPlainAreasResultsindicatedgreatdifferencebetween2populationsThisdifferenceWaSrelatedtoinsulationandhabitatlossThehabitatlossleadedtoreproductiondistributionareainsulationwhichthreatenedthisendangeredspeciesHumandistu