Technology impact evaluation in agroforestry projects |
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Authors: | S J Scherr E U Müller |
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Institution: | (1) International Council for Research in Agroforestry, P.O. Box 30677, Nairobi, Kenya;(2) International Council for Research in Agroforestry, 1915 Imperial Avenue, 95616 Davis, CA, USA;(3) GTZ, Servicio de Administracion de Proyectos, Apdo. 8-4190, 1000 San Jose, Costa Rica |
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Abstract: | To identify appropriate methods for evaluating the impact of new agroforestry technologies, ICRAF in 1988–89 contacted 166
projects worldwide about their activities in agroforestry technology monitoring and evaluation. Of the 108 which responded,
45% were involved in some type of impact evaluation.
This review revealed common difficulties in selecting impact indicators and methods of evaluation. Emphasis to date has been
on evaluating numbers of trees planted and area under agroforestry, rather than socioeconomic impacts. Defining agroforestry
adoption and distinguishing intermediate and final impacts were problematic. Impact studies were often difficult to interpret
or compare, limiting their value for the rest of the agroforestry community.
An analytical framework for planning impact evaluation in agroforestry projects is proposed, based on lessons learned from
the review. Selection of indicators should depend upon whether project objectives relate to changes in: number and type of
trees grown, land use, farmer knowledge and attitudes, availability of agroforestry products and services, and/or socioeconomic
welfare. Data collection tools may include sequential photography or mapping, informal or formal farmer surveys, informal
or formal field surveys, farmer meetings and workshops, trend analysis of project records, and case studies of households
or communities, depending upon the audience for project evaluation and project resources. |
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Keywords: | Monitoring and evaluation agroforestry projects extension farmer adoption impact evaluation |
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