亚洲精品久久久久久一区二区_99re热久久这里只有精品34_久久免费高清视频_一区二区三区不卡在线视频

--- SEARCH ---
WEATHER
CHINA
INTERNATIONAL
BUSINESS
CULTURE
GOVERNMENT
SCI-TECH
ENVIRONMENT
LIFE
PEOPLE
TRAVEL
WEEKLY REVIEW
Learning Chinese
Learn to Cook Chinese Dishes
Exchange Rates


Hot Links
China Development Gateway
Chinese Embassies


20 Natural Lakes Disappear Each Year in China: Report
China's lakes have been shrinking dramatically and seeing more floods as people turn large tracts of lakeside grassland into farmland and extracting the water in tributaries to irrigate the croplands. As a result the nation witnesses an average of 20 natural lakes disappear from the earth each year, according to a latest report released by the State Forestry Administration.

In recent 50 years, nearly 1000 natural lakes have disappeared in central and eastern China when the lakeside grassland was turned to farmland, with the converted area equaling to the total of the nation's five biggest freshwater lakes, statistics said. Now only 83 lakes are left for the Hubei Province, a "province of thousand lakes" who once boasted 1052 lakes in the 50s of last century. The disappearance of lakes has directly cut short the water reserve for big rivers and the risk of blood rise, and this has become a key element holding back the economic development of lake areas.

In the western area, a large batch of lakes have dried up or turned into salt ones due to lack of water sources, strong evaporation and large extraction of water in tributaries, the reported pointed out. Except for the renowned Lop-nor, the east and west Juyan lakes have both been reduced into a stretch of deserts. The Manas Lake in the east of Junggar Basin, which once covered an area of 577.8 square meters, also became saline land and deserts.

Lake is an important type of wetland and also a part of land ecological system, expert said. With economic development and strong interference of human activities China's lake resources have been seriously damaged with those in the west dried up and those in the east polluted.

Deterioration of lake environment has caused frequent floods and thus become an element holding back sustainable development of economy. Now the nation is making efforts to change the situation by returning the converted farmland to lakes.

(People?s Daily October 21, 2002)

Deserts in Western China Apt to Merge
China's Largest Saltwater Lake Shrinks
Two New Saltwater Lakes Separate from Qinghai Lake
Print This Page
|
Email This Page
About Us SiteMap Feedback
Copyright © China Internet Information Center. All Rights Reserved
E-mail: webmaster@china.org.cn Tel: 86-10-68326688
亚洲精品久久久久久一区二区_99re热久久这里只有精品34_久久免费高清视频_一区二区三区不卡在线视频
国产精品二区影院| 国产日韩综合| 久久高清一区| 午夜精彩国产免费不卡不顿大片| 亚洲乱码国产乱码精品精天堂 | 国产精品久久久久免费a∨| 欧美aⅴ99久久黑人专区| 老牛国产精品一区的观看方式| 久久成人免费视频| 欧美一级日韩一级| 欧美在线免费视频| 久久精品道一区二区三区| 小黄鸭精品密入口导航| 欧美一区二区三区日韩| 欧美在线1区| 欧美专区在线| 看片网站欧美日韩| 欧美成年人视频| 欧美另类专区| 欧美日韩一区二区三区在线看 | 欧美午夜精彩| 亚洲一区二区视频在线观看| 亚洲图片你懂的| 久久成人精品| 久久成年人视频| 亚洲福利国产精品| 最新日韩在线| 99国内精品久久| 亚洲婷婷在线| 亚洲免费视频在线观看| 先锋影音网一区二区| 欧美在线视频免费| 久久综合中文色婷婷| 欧美成人黄色小视频| 欧美精品二区| 欧美特黄一区| 国产乱码精品| 伊人一区二区三区久久精品| 亚洲国产精品电影| 一本色道精品久久一区二区三区 | 最新日韩av| 中文精品视频一区二区在线观看| 亚洲特级毛片| 久久国产精品久久国产精品| 免费观看国产成人| 欧美日韩国产综合久久| 久久久久久一区二区| 欧美激情四色| 国产精品乱码妇女bbbb| 黑人中文字幕一区二区三区| 亚洲人成网站999久久久综合| 亚洲一区二区三区久久| 久久精品人人爽| 亚洲图中文字幕| 久久精品国产精品亚洲精品| 欧美成人免费全部| 国产精品久久久久aaaa樱花 | 日韩午夜电影在线观看| 亚洲专区一区二区三区| 亚洲精品乱码久久久久久蜜桃91| 亚洲视频在线二区| 久久―日本道色综合久久| 欧美日韩综合另类| 合欧美一区二区三区| 亚洲精品在线看| 欧美亚洲在线播放| 夜夜精品视频| 久久一二三四| 欧美日韩在线亚洲一区蜜芽| 国产亚洲视频在线| 亚洲精品国产精品乱码不99 | 欧美一区二区三区在线观看视频| 欧美成人在线网站| 国产精品一区二区欧美| 亚洲国产精品成人久久综合一区| 午夜精品久久久久久| 一本色道久久综合亚洲精品按摩| 久久国产精品久久久| 欧美日韩一区二区三区免费看| 伊人成人开心激情综合网| 亚洲一级网站| 一本色道久久综合狠狠躁篇的优点| 久久精品网址| 国产精品激情偷乱一区二区∴| **网站欧美大片在线观看| 亚洲欧美日韩精品久久奇米色影视 | 国产精品美女久久福利网站| 亚洲国产精品va| 欧美一级免费视频| 亚洲一区二区三区午夜| 欧美激情精品久久久久久变态| 国际精品欧美精品| 亚洲一区二区三区免费视频| 一本色道久久加勒比88综合| 久久先锋资源| 国产欧美精品在线播放| 9久re热视频在线精品| 日韩亚洲欧美综合| 美脚丝袜一区二区三区在线观看 | 亚洲精品国产无天堂网2021| 久久精品国产77777蜜臀| 欧美三级精品| 亚洲精品黄色| 亚洲经典三级| 美日韩精品免费| 狠狠操狠狠色综合网| 欧美一区二区高清| 亚洲欧美综合另类中字| 国产精品不卡在线| 在线一区亚洲| 在线一区二区日韩| 欧美日韩中文| 99国产一区二区三精品乱码| 亚洲精品在线观| 欧美激情一区二区三区成人| 伊人久久大香线蕉av超碰演员| 欧美影院精品一区| 久久久久久国产精品mv| 国产欧美一区二区三区在线看蜜臀 | 日韩网站在线看片你懂的| 亚洲毛片网站| 欧美精品一区在线发布| 亚洲欧洲一区二区三区久久| 亚洲精品久久久久久久久| 欧美 日韩 国产精品免费观看| 国内精品一区二区三区| 久久国产乱子精品免费女 | 国产无一区二区| 欧美一级黄色录像| 久久久久**毛片大全| 国内精品嫩模av私拍在线观看| 午夜精品久久久久久久| 久久精品99无色码中文字幕 | 在线观看亚洲精品| 亚洲全部视频| 欧美日韩精选| 在线亚洲精品| 午夜精品国产更新| 国产欧美在线观看一区| 欧美一区三区二区在线观看| 久久精品综合| 黑人巨大精品欧美一区二区小视频| 亚洲夫妻自拍| 欧美激情精品久久久六区热门| 亚洲区中文字幕| 亚洲视频综合在线| 国产精品自拍小视频| 久久激情综合| 欧美精品久久久久久久免费观看 | 国产一区视频观看| 亚洲国产日日夜夜| 欧美日韩成人激情| 亚洲欧美日韩成人高清在线一区| 久久成人免费网| 亚洲国产日韩欧美综合久久| 亚洲私人影院在线观看| 国产日本欧美一区二区| 91久久精品国产91久久| 欧美视频二区| 欧美一区观看| 欧美激情精品久久久六区热门| 夜夜夜精品看看| 久久精品国产久精国产爱| 在线日韩视频| 亚洲免费中文字幕| 狠狠色丁香婷婷综合影院| 99国产精品久久久久久久成人热| 国产精品视频大全| 亚洲国产精品日韩| 欧美午夜电影完整版| 久久国产一二区| 欧美日韩一区三区四区| 欧美在线免费视频| 欧美日韩视频一区二区| 亚洲欧美视频一区| 欧美不卡福利| 亚洲一区二区三区涩| 久久久蜜桃一区二区人| 亚洲美女视频网| 久久精品九九| 亚洲免费av观看| 久久深夜福利免费观看| 一区二区三区欧美在线观看| 久久久久青草大香线综合精品| 亚洲精品小视频在线观看| 久久久久国色av免费观看性色| 亚洲日本一区二区三区| 久久久精品性| 亚洲视频中文| 欧美暴力喷水在线| 午夜久久久久久| 欧美三区视频| 久久精品国产999大香线蕉| 欧美三日本三级三级在线播放| 久久国产免费看| 国产精品亚洲人在线观看| 99国产精品久久久| 一区二区在线视频观看| 亚洲欧美在线网| 99国产精品久久久久久久久久 |