Investigation of Returning Farmland to Forest or Grass Land and Decision Remaking for Reforestation

FANG Shibo; YANG Wunian

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Investigation of Returning Farmland to Forest or Grass Land and Decision Remaking for Reforestation

- Investigation of Returning Farmland to Forest or Grass Land and Decision Remaking for Reforestation
- Bulletin of Soiland Water Conservation Vol. 25, Issue 6, Pages: 103-106(2006)
- 作者机构：
  
  1. 中国科学院植物所生态中心,北京,100093
  2. 成都理工大学遥感与GIS研究所,四川,成都,610059
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2006
- 稿件说明：
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FANG Shibo, YANG Wunian. Investigation of Returning Farmland to Forest or Grass Land and Decision Remaking for Reforestation[J]. Bulletin of Soiland Water Conservation, 2006, 25(6): 103-106.
DOI：

FANG Shibo, YANG Wunian. Investigation of Returning Farmland to Forest or Grass Land and Decision Remaking for Reforestation[J]. Bulletin of Soiland Water Conservation, 2006, 25(6): 103-106. DOI：

摘要

以川西干旱河谷地区某县为例

对退耕还林的成果进行了调查分析。结果表明

一些农业生产力高的土地和坡度小的耕地也纳入到退耕地中

主要与耕地地块分散

距离农户居住地远和水源不方便等情况有关。退耕还林是一个长期的、复杂的、逐步实施的过程

必须对当地自然条件和人文条件做深入了解和调查。只有综合各种原则和因素、分清楚轻重缓急

才能制定出适合当地的合理的退耕还林规划方案。

Abstract

The effects of returning farmland to forest or grass land w ere investigated with the support of GIS and GPS technology. Some important conclusions can be drawn according to the results from the investigation. A certain number of lands with high soil fertility and small slope degree were reforested in returning farmland to forest or grass land. Such a phenomenon occurred mainly due to dispersed farmlands

distant cultivation locat ions and inconvenient irrigation conditions. The authors suggested that reforestation is a long-term complicated systematic eng-i neering

and should be performed step by step

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