摘要
南四湖是山东最大的湖泊,它形成至今已有数百年的历史。南四湖的生态环境目前发展如何,是人们关心的问题。通过对南四湖的历史和现状资料分析,作者认为南四湖的生态环境存在四大问题:①湖泊环境岌岌可危;②湖泊淤积严重,面积逐渐缩小;⑧沼泽化速度加快,湖泊处于衰老阶段;④过度捕捞,水产资源破坏严重。据此,作者提出了保护南四湖生态环境的对策建议,以期使南四湖生态环境不断改善,并逐渐达到生态环境的良性循环,水产资源能持续利用的目的。
The Nan Si lake is the greatest lake of Shandong province. It has importantsignificance for the environment and economic development of Shandong Province.The people are extremely concerned over its change of ecological environment. Through analysis to history and present material of the lake, it is considered that four problems of ecological environment exist:(1)The lake environment is in imminent danger; (2)The lake's deposition is serious, its area gradually reduce; (3) The velocity of swamplization increases, and the lake is being senility;(4) Overfishing, In the light of above conditions, the author suggested five protecting measures: (1) Clearing away the silt of the lake bottom, increasing the height of dyke and dam of lower reaches and the storage capacity of the lake: (2) Planning and economize on water, raising the rate of water resource utilization: (3) Plantting trees around the lake, reducing water loss and soil erosion and to change the climate., (4)Pollution control, to prevent the pollution of quality of water, (5) Strengthen the management of water resources to keep the ecological balance and the continuous utilization of aquatic resources.
出处
《海洋湖沼通报》
CSCD
北大核心
1989年第2期18-27,共10页
Transactions of Oceanology and Limnology
