Emergy Evaluation of a Village Ecosystem in Wolong Nature Reserve in China

(整期优先)网络出版时间:2009-02-12
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Duetohistoricreasons,thereareseveralhumansettlementsinnaturereservesandnationalparks,whichmayconstituteathreattobiopersity.Establishmentofnaturereservesmayhowevergenerateconstraintsfordevelopmentoflocalcommunitiesresidinginthesereserves.ThevillageecosystemofZhuanjinglouVillageinWolongNatureReserveincludespopulation,farmingandlivestock(domesticandalpine)andforestecosystem.Anemergyanalysisofagro-ecosystem(includingthefarmingandlivestockecosystem)andenergyconsumptioninZhuanjinglouVillageindicatesthatlivestockecosystemplaysanimportantroleinvillageecosystem,whichmaybethesourceofgreatpressureonthestateofthelocalenvironment.Theincreasingratioofelectricityinenergyconsumptionmayplayapositiveroleforenvironmentalconservation.Despitesomesuccessfulexperiences,therearesomeremainingissuesthatneedtobeaddressedintheecologicalrehabilitationofthevillageecosystem.