洪湖,与洞庭湖一水之隔
发布时间：2018-12-29 19:01
【摘要】：正 在我国,洞庭湖是长江天然的蓄水库之一,宋代范仲淹的《岳阳楼记》准确地描述了昔日八百里洞庭湖的浩瀚壮观和其与长江的关系,而如今的洞庭湖已是沧海桑田,面积由全盛期的6300平方公里下降到2700平方公里,其湖底淤积的泥沙厚达1.7米,湖床每年抬高5厘米。 与洞庭湖一水之隔的江汉平原是历史上著名的云梦泽,因湖泊众多,被誉为千湖之国。然而,几十年的围垦使江汉平原湖泊数量由本世纪初的1066个减少至20世纪80年代的309个,湖泊面积从8330平方公里减少到2980平方公里,基本断绝了荆江平原与长江的水利联系。湿地沼泽化的日趋严重,使赖以生存的动植物大幅度地下降甚至灭绝。生态系统的失调,正严重地威胁着当地经济发展和人民生活。
[Abstract]:It is in China that Dongting Lake is one of the natural reservoirs of the Yangtze River. Fan Zhongyan's Yueyang Tower in the Song Dynasty accurately describes the majestic expanse of Dongting Lake in the past and its relationship with the Yangtze River. The area decreased from 6300 square kilometers in the heyday to 2700 square kilometers, and the sediment deposited at the bottom of the lake was 1. 7 meters thick, and the lake bed was raised by 5 centimeters every year. Jianghan Plain, separated from Dongting Lake, is a famous Yunmenze in history. However, the number of lakes in Jianghan Plain has been reduced from 1066 at the beginning of this century to 309 in 1980s, and the lake area has been reduced from 8330 square kilometers to 2980 square kilometers, which has basically cut off the water conservancy connection between the Jingjiang Plain and the Yangtze River. The wetland swamp is becoming more and more serious, which makes the animals and plants on which to live decline or even become extinct. The imbalance of ecosystem is seriously threatening the development of local economy and people's life.
【作者单位】： 本刊记者
【分类号】：K928.4
本文编号：2395258
[Abstract]:It is in China that Dongting Lake is one of the natural reservoirs of the Yangtze River. Fan Zhongyan's Yueyang Tower in the Song Dynasty accurately describes the majestic expanse of Dongting Lake in the past and its relationship with the Yangtze River. The area decreased from 6300 square kilometers in the heyday to 2700 square kilometers, and the sediment deposited at the bottom of the lake was 1. 7 meters thick, and the lake bed was raised by 5 centimeters every year. Jianghan Plain, separated from Dongting Lake, is a famous Yunmenze in history. However, the number of lakes in Jianghan Plain has been reduced from 1066 at the beginning of this century to 309 in 1980s, and the lake area has been reduced from 8330 square kilometers to 2980 square kilometers, which has basically cut off the water conservancy connection between the Jingjiang Plain and the Yangtze River. The wetland swamp is becoming more and more serious, which makes the animals and plants on which to live decline or even become extinct. The imbalance of ecosystem is seriously threatening the development of local economy and people's life.
【作者单位】： 本刊记者
【分类号】：K928.4
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