摘要
青藏高原有"地球第三极"之称,是我国重要的国家生态安全屏障,但自然因素和人类活动共同作用导致部分地区高寒草地退化现象日趋严重,不仅严重影响了当地居民的生产和生活,而且对国家生态安全屏障的建设和保护构成了巨大威胁。为给青藏高原退化高寒草地的恢复与治理提供参考依据,对高寒草地退化的表现与特征,退化的主要原因和恢复与治理途径进行了阐述。
The Qinghai-Tibet Plateau is said ＂Third pole of the earth＂ and is an important national ecological security barrier of China. As a result of natural factors and human activities, alpine meadow degradation phenomenon becomes more and more serious. It not only seriously affects the local people＇s production and life, but also becomes a great threat to the construction and protection of national ecological security barrier. In order to provide the reference basis for the restoration and management of degraded alpine meadow to the Qinghai-Tibet Plateau, the performance and characteristics of alpine meadow degradation, main causes ,restoration and management methods are described.
出处
《贵州农业科学》
CAS
北大核心
2013年第5期125-129,共5页
Guizhou Agricultural Sciences
基金
西藏自治区生态重大专项"西藏主要类型生态系统变化机制及其优化管理"(Z2012C07G03)
西藏科技厅自然基金项目"拉萨市典型沟域的草畜平衡研究"(Z2012A20N10)
关键词
青藏高原
退化高寒草地
恢复与治理
Qinghai-Tibet Plateau
degraded alpine meadow
restoration and management
