[1]孙强,薛智德.延安研究区植被分步恢复的试验研究[J].水土保持研究,2006,13(02):154-156.
　SUN Qiang,XUE Zhi-de.Reasearch on Stepwise Restoration of Vegetation in Yan’an Reasearch Area[J].Research of Soil and Water Conservation,2006,13(02):154-156.
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延安研究区植被分步恢复的试验研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 13 期数: 2006年02期 页码: 154-156 栏目: 出版日期: 1900-01-01
Title:
Reasearch on Stepwise Restoration of Vegetation in Yan’an Reasearch Area
作者:
孙强1, 薛智德2,3
西北农林科技大学资源与环境学院, 陕西杨陵 712100
Author(s):
SUN Qiang1, XUE Zhi-de2,3
College of Resources and Environment, Northwest Sci-tech University of Agriculture and Forestry, Yangling, Shaanxi 712100, China
关键词:
黄土丘陵沟壑区; LSD多重比较; 分步恢复
Keywords:
gullied rolling loess region; LSD; ecological restoration
分类号:
Q948.154
摘要:
采用时间和空间序列相结合的方法，对延安研究区的植物群落动态变化及其演替规律观测研究的基础上，完善了前人对此区植物群落演替序列；遵循植物群落演替规律开展植被分步恢复试验，结果表明：在不破坏现有植被的条件下，分步恢复可使当年甘肃鼢鼠危害率减少30%~40%，油松造林保存率提高50%左右，方差分析显示油松和侧柏苗木的高生长和分枝数明显优于一步到位法在退耕地建造的针叶苗木；且在75%覆盖率的灌丛中，油松苗单株抽条长度和单株抽条个数分别是退耕地油松苗木的2.31和2.24倍，生长状况最好。
Abstract:
Combined together with the time and the space sequence, the dynamic varietys and the succession of plant community in gullied rolling loess region were researched. The experiment showed that under the condition of not breaking existing plant, an afforested method by several steps in uncultivated fields was put forward in gullied rolling loess region of Yan’an. This method can reduce the damage of Gansu myospalax and increase the afforested success ratio.

参考文献/References:

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备注/Memo

收稿日期:2005-9-20;改回日期:。
基金项目:国家自然科学资金（90302005）；知识创新项目（kzlx1-06）
作者简介:孙强（1980- ），男，西北农林科技大学硕士研究生，研究方向：生态环境工程。

更新日期/Last Update: 1900-01-01