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1、动物学报54(6):1106-1111,2008ActaZoologicaSinica大斑啄木鸟对光肩星天牛幼虫捕食的功能反应和*数值反应111**1122矫振彪万涛温俊宝胡加付骆有庆张林生付林巨1.北京林业大学省部共建森林培育与保护教育部重点实验室,北京1000832.内蒙古自治区乌拉特前旗森林病虫害防治检疫站,乌拉特前旗014400FunctionalresponseandnumericalresponseofgreatspottedwoodpeckerPicoidesmajoronAsianlonghornedbeetle*Anoplophoraglabripennislar
2、vae111**1JIAOZhen-Biao,WANTao,WENJun-Bao,HUJia-Fu,LUOYou-122Qing,ZHANGLin-Sheng,FULin-Ju1.KeyLaboratoryforSilvicultureandConservation,MinistryofEducation,BeijingForestryUniversity,Beijing100083,China2.TheForestDiseaseandPestControlstationofWulateQianqi,InnerMongoliaAutonomousRegion,WulateQianq
3、i014400,ChinaAbstractTheAsianlonghornedbeetleAnoplophoraglabripennisisawood-boringbeetlethat,uponsevereoutbreaks,causesgreatdamageintheartificialshelter-forestoftheThree-NorthernAreas.ThegreatspottedwoodpeckerPicoidesmajorisoneofthenaturalpredatorsofA1glabripennis.P1majorisalsoacommonspeciesin
4、WulateQianqioftheInnerMongoliaAutonomousRegionandiswidelydistributedintheartificialshelter-forest.Thewood-boringbeetleisanimportantfoodsourceofP1major,especiallyduringthewinter.DespitethepotentialofP1majortocontrolA1glabripennispopulations,surprisinglylittleisknownabouttheirpredator-preyintera
5、ctions.ThisinformationisessentialtopredictingtheefficacyofP1majorasacontrolagenttoA1glabripennis.Therefore,itisimportanttostudyhowthepredatorrespondstochangesinpreydensity.From2006to2008,fifteenstudyplotswereselected,andthepredationofP1majoronA1glabripenniswasexaminedwithsampleplotandtraceinve
6、stigation,thelatterbeinginthefield.TheresultsshowedthatthefunctionresponseofP1majortoA1glabripenniswasHollingÓ,withanon-linearregressionequation.TheincreaseinpredationcapacitycorrelatedwiththeincreaseinA1glabripennisdensity,withinacertaindensityrange.AsthedensityofA1glabripennisincreased,thepr
7、edatorycapabilityhadapositiveaccelerationphase,thenanegativeaccelerationphase,andfinallyasaturationstate.Likewise,asthedensityofA1glabripennisincreased,thepredationrateinitiallyincreased,peaked,andwasreducedintheend,withanon-linearregre
