摘要
从森林资源退化、草场质量下降、水土流失严重、沙(石)漠化面积扩大、水旱灾害加重、生物多样性降低、水资源分布不均的现状,对西部地区生态环境进行了分析,研究了西部国土安全问题,探讨了几年来退耕还林(草)的效果,论述了生态安全与退耕还林(草)的关系。
From the viewpoints of forest resource deterioration,quality degradation,soil erosion,increase of desertified land,serious flood and drought disasters,declining biodiversity,unbalanced water resource distribution in western China was studied.The effects of converting the land for forestry in the past years were discussed,and the relationship between ecological safety and converting the land for forestry was described.
出处
《世界林业研究》
CSCD
北大核心
2004年第6期56-58,共3页
World Forestry Research
