內(nèi)蒙古草原-森林生態(tài)系統(tǒng)對繁殖期鳥類群落結構的影響研究.pdf

1、東北林業(yè)大學碩士學位論文內(nèi)蒙古草原森林生態(tài)系統(tǒng)對繁殖期鳥類群落結構的影響研究姓名：王寧俠申請學位級別：碩士專業(yè)：野生動植物保護與利用指導教師：王文蘇金豹20070601AbstractFromJanetoJulyin2005～2006，wedividedgrassforestecosystemofHonghuaerjiintosevelltypesofedgehabitatsaccordingtovegetationcompositio

2、nandphysicalcharactefisticsReseschedORaviancommunityofSewenedgehabitatswasconductedbyusingsamplingmethods，Resultsshow：60birdsspecieswererecordedinSilUerbreedingseasoninHonghuarjiareawhichattachto25f衄filins11ordersThel!AS

3、SER琿ORMESwerf38specie$accoutedfor6333％詛all，F(xiàn)rombirdsresidenttypes37speciesweseSummervisitoraccoutedfor6167％；theResidentwere21，accoutfor35％；thePassengemigrantswereonly2accoutedfor333％IIItermofdistributiontypes，Palaearctic

4、specieswere22aocoutfor36％；andOrientalspeciesWaSonly1accoutedfor2％，BirdsdistributionischangingwithhabitattypeandedgedistancesinHonghuaerji。Accordingtoouranalysisforbirdscommunityindifferentcdgcdistances，theresultssuggestt

5、hatwithin50mofedgcdistancetoforests，birdscommunityhavethehighestdiversityindexbirdscommunitydiversitydecreasedwithincreasingdistancefromedgcThedistanceofedgeeffectiswithin200m，ifgobeyondtherangebirdscommunitydiversityhas

6、n’tremarkablechangewithedgedistance肌cbirddive巧ityinforestishigherthangrasswheninthesamecdgedistanceToanalysisfordifferentcdgehabitatbirdsshow：inthe7typeofcdgchabitats，thebirddiversityindexfromhightolowis：thebrushwetlandn

7、aturalMongolianpineforests(3觀brushgrassnaturalMongolianpine(316)，thein健ffovcstgrasslandnaturalandmatureMongolianpineforests(3，02)，thegrasslandnaturalMongolianpineforests(270)，thegrassplantationMongoHanpineforests(251)，th

8、efarmlandarea(246)，theburnedforestsarea“1∞ThesimilarityofbirdscompositonbetweeninterforestgrasslandnaturalmatureMongolianpineforestandthebrushgrassnaturalMongolianpinewas0。68，howevertheinterforestgrasslandnaturalmatureMo

9、ngolianpineforestandfarmlandwas018AfIerbumningbirdscommuultydiversityanddensityinMongolianpineforestshavebeenincreasedgraduallywithtimeincreasingEachyearbirdscommunitycompositionwasdifferentbutthedifferenceWasnotsignific

10、antIntheninthyearafterburned(2005)，birdsspe婦esnumbercomparedwiththenaturalMongolianpineforestsinthesameyearwhichaccoutfor5263％Howeverinthetenthyear(2006)werecordedonly4specieswhichaccoutfor286％comparedwiththe蛐cyear14spec