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旱地树木管理以改善家庭生计:尼日尔的农民管理自然再生。

Dry land tree management for improved household livelihoods: farmer managed natural regeneration in Niger.

机构信息

Congressional Hunger Center, 400 North Capitol Street NW Suite G100, Washington, DC 20001, USA.

出版信息

J Environ Manage. 2011 Jul;92(7):1696-705. doi: 10.1016/j.jenvman.2011.01.027. Epub 2011 Apr 1.

Abstract

Farmer Managed Natural Regeneration (FMNR), a set of practices farmers use to foster the growth of indigenous trees on agricultural land, has drawn substantial attention as a contributing factor to a trend of increasing vegetation greenness in the Republic of Niger. This paper identifies drivers of FMNR adoption and assesses its impacts on rural households in the Region of Maradi, Niger, an area covering 42,000 square kilometers. The results show that 26% of households practice a form of FMNR involving both pruning and protecting woody vegetation. Adoption is strongly linked to soil type, market access, and the education level of the head of household. FMNR raises household income and increases crop diversity, household migration rates, and the density and diversity of trees on farmland. It is estimated that FMNR raises the annual gross income of the region by between 17 and 21 million USD and has contributed an additional 900,000 to 1,000,000 trees to the local environment. These findings support the value of continued promotion of FMNR as an inexpensive means of enhancing rural livelihoods and an attractive alternative to reforestation efforts relying on tree planting.

摘要

农民管理的自然再生(FMNR)是一组农民在农业土地上促进本地树木生长的实践,它作为尼日尔共和国植被变绿趋势的一个促成因素引起了广泛关注。本文确定了 FMNR 采用的驱动因素,并评估了其对尼日尔马里迪地区农村家庭的影响,该地区面积达 42000 平方公里。结果表明,26%的家庭采用了一种涉及修剪和保护木本植被的 FMNR 形式。采用 FMNR 与土壤类型、市场准入和家庭主妇的教育水平密切相关。FMNR 提高了家庭收入,增加了作物多样性、家庭迁移率以及农田树木的密度和多样性。据估计,FMNR 使该地区的年总收入增加了 1700 万至 2100 万美元,并为当地环境增加了 90 万至 100 万棵树。这些发现支持继续推广 FMNR 的价值,因为它是一种提高农村生计的廉价手段,也是一种有吸引力的替代植树造林的选择。

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