31211.松嫩草地牛糞中大型節(jié)肢動(dòng)物群落動(dòng)態(tài)及對(duì)蠅類繁殖控制研究_第1頁(yè)
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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(dòng)物群落動(dòng)態(tài)及對(duì)蠅類繁殖控制研究姓名:李久文申請(qǐng)學(xué)位級(jí)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

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