【摘要】 论述了青海湖流域湿地的生态功能及退化特征,认为青海湖湿地是维系青藏高原东北部生态安全的重要屏障,但水位下降,湖面萎缩、湖底泥沙出露、草原退化等逆向演替特征明显;青海湖湿地的退化是在诸多因素驱动下发生的全方位、多层次、时间漫长的系统性行为,其恢复和治理也必须采取综合性措施和手段进行长期而全面的整治。更多还原

【Abstract】 This paper discussed simply the function of ecosystem and degeneration characteristic in Qinghai-Lake marsh.The author think that the Qinghai-Lake is an important marsh ecosystem,to support ecosystem safety of the northeastern part of Qing-tibten plateau.But there are many characteristic about retrogression,for instance the water level descend,the atrophy of lake area,sand out of the lake,the pasture deteriorate etc.The degeneration of the Qinghai-Lake swamp ecosystem result from many factors and is an system behavior of the multilayers as well as long term.Its instauration have to also adopt comprehensive measure to carry on treatment with genara and long-term.更多还原