INCREASE IN TREE COVER ON PRIVATE FARM LAND IN CENTRAL NEPAL

INCREASE IN TREE COVER ON PRIVATE FARM LAND IN CENTRAL NEPAL
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尼泊尔中部私人农田的树木覆盖率增加

DOI:
10.2307/3673586
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发表时间:
1989
影响因子:
1.6
通讯作者:
D. Gilmour
D. Gilmour
中科院分区:
环境科学与生态学4区
文献类型:
--
作者:
A. S. Carter;D. Gilmour

文献摘要

被引文献

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尼泊尔的山区农民经常被描述为对他们的山区家园进行大规模森林砍伐负有责任。在这项研究中,比较了1964年(使用航空照片)和1988年(使用地面调查)沿尼泊尔中部两个山区的样带在高地栽培梯田(bari)上的树木覆盖情况。确定了15个样地,并对沿样带的四个样地中的每个样地进行了植被覆盖估算。结果表明,在24年期间,这些梯田的树木覆盖面积增加了两到三倍。山区农民积极参与一项基本上独立于政府活动的私人造林方案,这项方案尚未得到政府和参与林业发展的援助机构的承认。我们估计,在研究的两个地区,农民在24年期间增加了多达1300万棵巴里土地上的树木(相当于约6500公顷的森林面积)。此外,在包括私人农田在内的非耕地斑块上,树木覆盖大幅度增加。虽然没有对这些增长作出精确的估计,但在同一时期,它们可能高达1700万棵树(相当于8500公顷的森林面积)。讨论了规划林业发展项目的推广部分所涉问题。
The hill farmers of Nepal are often portrayed as having been responsible for perpetrating the large-scale deforestation of their mountain home. In this study, a comparison was made of the tree cover on upland cultivated terraces (bari) in 1964 (using air photographs) and in 1988 (using on-ground survey) along a transect across two hill districts in central Nepal. Fifteen plots were identified and vegetation cover was estimated at each of four sites along the transect. The results indicate a two- to three-fold increase in tree cover on these terraces in the 24-year period. The hill farmers are actively involved in a private forestation programme which is largely independent of government activities, and has yet to be acknowledged by the government and by aid agencies involved in forestry development. We estimate that the farmers have increased the number of trees on their bari land in the two districts under study by up to 13 million during the 24-year period (equivalent to a forest area of about 6,500 ha). In addition, substantial increases in tree cover occurred on the non-cultivated patches included within the private farm lands. Precise estimates were not made of these increases but they could be as high as 17 million trees over the same period (equivalent to a forest area of 8,500 ha). The implications for planning the extension component of forestry development projects are discussed.