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Estimating farmers’stated willingness to accept pay for ecosystem services:case of Lake Naivasha watershed Payment for Ecosystem Services scheme-kenya

引用

Ecological Processes 2016年第1期5卷 180-194页

作者： j.M.Nyongesa H.k.Bett j.k.lagat O.I.Ayuya Department of Agricultural Economics and Agribusiness Management Egerton UniversityP.O.Box 53620115 Egerton-NjoroKenya

Introduction:Lake Naivasha watershed is recognized for its contribution to kenya’s national gross domestic product from the export of horticultural *** horticultural investment downstream depends mainly on the Lake’s *** fresh water lake lacks surface outflow,and its recharge depends on river Malewa flowing from upper catchment in Aberdare ***,unsustainable land use practices in the upper catchment has led to increasing sediment loading and pollution in river Malewa which affects water quality in the Lake *** for Environmental Services(PES)scheme has been initiated as an alternative incentive approach to motivate upstream smallholder farmers adopt sustainable land use practices for conservation of watershed *** paper analyzes willingness to accept pay(WTA)as proxy economic measure of environmental service(ES)value and determines socio-economic factors influencing farmers WTA for watershed *** analyzed the WTA and characterized WTA underlying socio-economic determinants in two PES intervention sites in ***:The objective of this study was to estimate WTA and determine socio-economic factors influencing ***-structured questionnaire was used to collect data from 200 PES farmers through face-to-face *** applied contingent valuation(CV)and logistic regression for data analyses to elicit farmer’s WTA estimates to implement PES farm practices and determine socio-economic factors influencing WTA,***:Results revealed over 90% of respondents were farmers and 60% had primary level of *** household farm size was 2.305 acres and family size was six members on *** recorded a monthly marginal household increase in gross income from kshs.6891.969(US$68.92)before PES to kshs.11,011.48(US$110.12)with PES *** estimated annual lowest and highest WTA for PES farm practices were at kshs.8835(US$88.35)for grass strip and kshs.21,847.500(US$218.48

关键词： Conservation Ecosystem services Livelihoods Payment for Ecosystem Services Practice Watershed Willingness to accept pay

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