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1、AmericanJournalofPrimatology70:871878(2008)RESEARCHARTICLEEffectsofFoodandTopographyonRangingBehaviorofBlackCrestedGibbon(Nomascusconcolorjingdongensis)inWuliangMountain,Yunnan,China1,21PENG-FEIFANANDXUE-LONGJIANG1KunmingInstituteofZoology,ChineseAcademyofSciences,Kun
2、ming,Yunnan,People’sRepublicofChina2CollegeofLifeScienceandChemistry,DaliUniversity,Yunnan,People’sRepublicofChinaWestudiedtherangingbehaviorofahabituatedgroupofblackcrestedgibbons(Nomascusconcolorjingdongensis)inahigh,seasonalhabitatonMt.Wuliang,centralYunnan,China,be
3、tweenMarch2005andApril2006.Ourresultsindicatedthatthetotalhomerangesizeforthestudygroupwas129ha,or151haifthelacunaewithinthebordersinwhichgibbonswerenotobservedwereincluded.Thisisamuchbiggerrangesizethanthatofothergibbonspecies.However,69.7%oftheiractivitiesoccurredwit
4、hin29ha.Theintensityofquadrantusewassignificantlycorrelatedwiththedistributionofimportantfoodpatches.Themeanyearlydailypathlengthwas1,391m.Gibbonstraveledfartherwhentheyspentmoretimefeedingonfruit.Toavoidoftenpassingthroughridgeswithlittlefood,gibbonsusuallystayedinthes
5、amevalleyforsuccessivedays,andthenmovedontoanothervalleyforanotherseveraldays,whichresultedinaconcentratedrangingpattern.Am.J.Primatol.70:871–878,2008.c2008Wiley-Liss,Inc.INTRODUCTIONdistributionofwater[Altmann&Altmann,1970]andsoileating[Pagesetal.,2005].Studiesofhabit
6、atuseandrangingbehaviorTheblack-crestedgibbon,Nomascusconcolor,isfacilitateourunderstandingofthecomplexitiesofanendangeredspeciesthatisdistributedintheaspectsofanimalbehaviorandecology[Boinski,YunnanProvinceofChina,northernVietnamand1987;Reynolds&Laundre,1990].Ingenera
7、l,thewesternLaos.Thelargestpopulationinthewildmajorinfluenceonprimaterangingbehaviorisfood(N.c.jingdongensis)isendemictoMt.Wuliang,withabundanceanddistribution[Bennett,1986;Clutton-apopulationcomprising98groupsinhabitingsemi-Brock,1977].Severalstudiesofarborealfrugivoro
8、ushumidbroad-leavedevergreenforestsandmid-primatespecieshaveshownthatfoodabundanceandmontanebroad-leavedevergreenfore