略论草地长期动态监测与我国草地动态监网的建立

Discussing Long term Monitoring of Grassland and Establishing of Monitoring Net work in China.

草地长期动态监测对于揭示草地变化规律 ,阐明草地生态系统结构与环境之间的关系 ,科学利用、保护草地资源以及维持草地的可持续发展具有重要意义。草地生态监测一般应包括三方面内容 :草地生态系统生态因子及结构特征监测 ;草地资源利用、保护与草地畜牧业可持续发展的实验研究 ;优化模式与示范研究。我国 10个不同类型草地区基本上可代表我国不同草地的主要类型 ,有建立监测网的较好基础与条件。

Long term monitoring of grassland is an effective way for sound management and sustainable use of grassland resources, it can reveal the structure, function, change tendency of the grassland ecosystem and the inter relationship between the ecosystem and environment. A well operated grassland monitoring system should include the works in the areas of eco environmental factor monitoring, grassland resource utilization and protection, grassland live stocking sustainable development, and modelling and demonstrative researches. The 10 grassland farming region in China can well cover the main features of grassland of China, a grassland monitoring network was suggested to involve the 10 grassland farming region.