31211.松嫩草地牛糞中大型節(jié)肢動物群落動態(tài)及對蠅類繁殖控制研究

1、東北師范大學(xué)碩士學(xué)位論文松嫩草地牛糞中大型節(jié)肢動物群落動態(tài)及對蠅類繁殖控制研究姓名：李久文申請學(xué)位級別：碩士專業(yè)：生態(tài)學(xué)指導(dǎo)教師：周道瑋20090501AbstractMacroarthropodfaunaisaconspicuouscomponentofmostterrestrialecosyrstemsworldwideAstheprimaryportionofthemayoarthropodfaunaassociatedwitht

2、hecattledung，coprophagousdungfaunaplayakeyroleonthedungdispersal，nutrientcyclingandbio。controlofflyreproductioninthegrasslandecosystemMostdungbeetlesremovequicklyandburyaportionunderthesoilsurfaceorrollitforadistanceaway

3、fromthedungandburvit，eitherforadultfeedingorforovipositionandsubsequentfeedingofthelarvaeThebehaviorofburialchangesthecharacterizationofthesoil，andincreasethebiomassoftheplantTheauthorsforecasttheresearchtrendsofthevarie

4、tyofdungbeetlecommunityandtheecologicalfunctionofthedungfaunaTheresultofdungfaunaassociatedwiththetemporalandspatialasfollow：1accordingtothestructureofthecommunityandthefeeding，thereare7Orders，52Families，135genera，255Spe

5、ciesindungfaunaforthisstudyItCanbedefinedforsevengroups：coprophagous(32Species)saprotrophagous(160Species)，phytophagous(58Species)，predatory(120Species)，omnivory(22Species)，necrophagous(17Species)，parasitica(IOrder)Asthe

6、cattledunglayingthenumberofaphodiusandcoprophagousweredecreasingthenumberofstaphylinoidaewasincreasingatthebeginningoftheexperiment，andthendecreasing，therewasnosignificantforthenumberoftheotherdungfaunaThereisasignifican

7、tvarietyamongthefivemonthsMostofaphodiusappearinMavandJune，mostofcoprophagousappearinMayandthefastigiumoftheStaphylinoidaeisMayandSeptemberthespeciesandabundancearelowintheotherdungfaunaAmongthedifferenthabitats，thepastu

8、rehasmoreaphodiusandcoprophagous，thedestroyedpasturehasmoreaphodius，thestaphylinoidaeWaslargernumbersinfourhabitats，andtheotherspeciesarelowinaIlhaibitatTheweightofcattledungwasdecreasingduringthedungpadslayingonpastureI

9、tismorelosinginMaybutlessinsummer6ThelarvaeofflyweredecreasingduringthedungpadslayingOnpastureIthasabimodalamongfivemonthsinoneyear7Asimportiontastheroleofcoprophagous，thestaphylinoidaehasasignifiantbiocontrolforfliesKey