荒漠過渡帶與相鄰棉田三類捕食性天敵昆蟲及害蟲關(guān)系的初步研究.pdf

1、石河子大學(xué)碩士學(xué)位論文荒漠過渡帶與相鄰棉田三類捕食性天敵昆蟲及害蟲關(guān)系的初步研究姓名：李秀琴申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：農(nóng)業(yè)昆蟲與害蟲防治指導(dǎo)教師：馬祁姚舉20070601AbstractAsystematicalinvestigationwascarriedoutindeserttransitionalzoneandneighbouringcottonfieldinShacheCountyXinjiangfromApriltoAugust

2、2006Studiedthecommunitycomposingandtimedvnamicofthreekindsofpredatorynaturalenemyinsectsandpestsincottonfieldanddeserttransitionzone、dominantenemyinsectsandpestsintwohabitats、Similerityindicesandnicheofthreekindsofpredat

3、orynaturalenemyinsectsandpestscemmunityindifferenthabitatsTheresultsWeleconcludedasf0Ilows：1Thereere5033atthropadswerecollectedinthedeserthabitatincluding12orders99families，206species111especiesandindividualsofphytophago

4、osinsecterelargestThereare113549erthropodswerecollectedinthecottonfield，including12orders，48families，83speciesThespeciesofpredatomyinsectarelargest，andindividualsofphytcphagousinsecterelargest2Intotal19speciesofpredatory

5、naturaenemyinsegtswerecollectedinthedeserttransitionzoneandcottonfieldindividualthedominantspeciesofthreekindsofuatnralpredatoryenemyinsectsereHippodamia塒donia)Variegata(Goeze)、ChrysoperlaesinicaTjeder、Chrysopaphyllochro

6、maWesmael、CampylommadiversicornisReuterindeserttransitionzonetheindividual’spercentageofthemwere7189％n”dominantspeciesofthreekindsofnaturalpredatoryenemyinsectsareHippodamia掰donia)Variegata(Goeze)、Campylommadiversicornis

7、Renter、DeraeocorispunctulatusFallincottonfield碭eindividual‘spercentageofthemwere690925％刀镕totalof22speciesofpests㈣collectedinthedeserttransitionzone，LyguspratensisandIdioceruskoreanusMatsumuraweredominantspecies，16species

8、ofpestswerecollectedincottonfieldandAphisgossypiiwasdominantspecies3Theresultoftimedynamiccomparisonofthrekindsofpredatorynaturalenemyinsectsandpestsincottonfieldanddeserttransitionzoneconcludedthatthedeserttransitionalz

9、onewasspeciespoolofthreenaturalenemiesjncottonfield；thedifierenczofpestscommunitywerenutdistinetintwohabitats，butthedeserttransitionalZonewasnotspeciespoelofpestsincottonfield4Similarityindiceswereexaminedinthreekindsofn

10、atuifalpredatoryenemyinsectsandpestcommunities，descendingsortsofgroupswerelacewings，bugs，pests，ladybirdaOnleveldirection，fromcottonfieldtofourdeserthabRatsthecomparisonofsimilarityindicatedthesimilarityindicesofnatumlene

11、miesofnearcottonfieldwasmorethanthatofnaturalenemiesandpeStsoffarcottonfield，thesimilarityindicesofpestinseconddeserthabitatwasmost5Theresearchabouttimenichedeclaredthatintwohabitats，theditributionoflacewingswasmorehomog

12、eneousintimesequenceandthenichebreadthwasmostlarge；bugstoAphisgossypii’stimefolloweffecteremuchstrongThreekindsofnaturalpredatoryenemyinsectsandpestcommunities’spatialnichecompamtiondeclaredthatChrysopaphyllochromaWesmae

13、l、CampylommadiversieornisReuter、ChrysoperlaesinicaTjeder、‘DeraeocorispunctulatusFall、Hippodamia口donia)gariegata(Goezo)、TriphlepsminutusLoccupiedmorespatialintwohabitatsNicheoverlapofHippodamia陰donia)Variegata(Goeze)andCh

14、rysopaphyllochromaWesmael、CampylommadiversicornisReuter、DeraeocorispunctulatusFallereclosed，Theoverlappedtwooccupiedsimileryspatialresourses，whichcompetedveryseriouslyintenseKeywords：deserttransitionalZone；coltonfield；na