干旱对沧州东部滨海湿地价值的影响

Impact of Drought on the Value of Littoral Wetland Ecological in the East of Cangzhou

沧州东部滨海湿地具有独特的地理位置、复杂的生态环境和丰富的鸟类资源,是候鸟南北迁 徙带与东西迁徙带的交汇点,也是东北亚内陆和太平洋西岸鸟类迁徙通道上的重要“中转站”、越冬 地和繁殖地。由于20世纪80年代以后自然降水锐减,温度升高导致蒸发量增大,干旱情况加重,沧 州地区东部滨海湿地的生态环境受到严重影响。就其生态价值、经济价值、社会价值受到的影响状况 以及相关的积极保护行动等方面进行较系统的阐述,并从生态保护性开发和可持续发展远景规划等 方面提出一些建设性的意见和建议。

The littoral wetland in the east of Cangzhou that has unique geographical position, more complicated ecological environment, and abundant food resources makes it become the paradise that birds live and multiplied, also, it is the joint spot of migratory birds migrate north and south, importance “ transfer station ”, surviving in winter and breeding spot on the pass way of birds migrating of Northeast Asian inland and the Pacific Ocean west bank.. But because natural precipitation had been fallen sharply after the eighties of the 20th century, temperature rises and causes evaporation capacity to increase, had been influenced seriously the ecological environment of littoral wetland of the east of Cangzhou. This text systemic expounds its ecological resources, ecological construction current, ecological values and Impact of drought on environment of littoral wetland ecological, etc. raises some constructive opinions and suggestions from ecology protective development and such respects as the perspective long-term plan of sustainable development.