波多野结衣办公室双飞_制服 丝袜 综合 日韩 欧美_网站永久看片免费_欧美一级片在线免费观看_免费视频91蜜桃_精产国品一区二区三区_97超碰免费在线观看_欧美做受喷浆在线观看_国产熟妇搡bbbb搡bbbb_麻豆精品国产传媒

US EUROPE AFRICA ASIA 中文
China / Society

Algae presents dilemma for dam plan

By Hu Kaiyong in Nanchang and Cang Wei in Nanjing (China Daily) Updated: 2015-06-16 07:42

Chinese environmental protection experts warn that a dam under discussion may introduce a massive algae outbreak in the country's largest freshwater lake, and they suggested that the project be delayed until there is sufficient data to demonstrate its need.

During the weekend, a thick layer of blue-green algae was seen in Poyang Lake in Jiangxi province - an area adjacent to the Yangtze River.

Cheng Huiying, deputy director of the environmental protection bureau of Duchang county, where the algae outbreak was reported, said floodwaters following heavy rains upstream had pushed the algae into the lake.

"Our monitoring data showed no signs of excessive richness of nutrients or high levels of nitrogen or phosphorus in the water," Cheng said. "That proves the algae was not produced in the lake but was flooded into it. We'll arrange for workers to clear the algae."

According to Zhou Qiong, deputy director of the provincial water management office, water can easily be exchanged by the lake and river in either direction.

"When the river lacks water, the lake's water runs into it," said Zhou. "When the river swells with a downpour, its water level surpasses the lake's, and water begins to flood into the lake."

"The construction of a dam to control the water has been under discussion for years," Zhou said. "People's opinions vary about whether to control the flooding by intervention or to adapt to the natural environmental conditions."

Chen Jiakuan, a professor at Fudan University's Institute of Biodiversity Science, said the dam would prevent the lake from exchanging water with the river, so algae would break out massively in the relatively still water.

"Algae broke out in Chaohu Lake and Taihu Lake once they were disconnected from the Yangtze," Chen was quoted as saying by The Paper, a news outlet in Shanghai. "Poyang Lake would be disconnected also, once the dam is constructed. Today's Chaohu and Taihu lakes will be tomorrow's Poyang Lake."

According to a report by Jiangxi Information Daily in December, the construction of the dam has been listed as one of the country's major water conservation projects.

Zhou said it is possible that the construction of the dam will introduce more algae outbreaks, but that the situation will be manageable if the water that runs into the lake is clean.

"Insisting that the dam will worsen the algae outbreak may oversimplify the problem," said Zhou. "We need to do more research before drawing a conclusion.

"It's not a decision that Jiangxi province can make alone. It's a job for the State Council and the National Development and Reform Commission."

"I used to support the theory that people should take the initiative to control nature," Zhou said.

"But after years of research and experience, now I prefer that we don't control nature through man-made means. At minimum, the dam should not be constructed until more research is done to establish that no severe consequences will result."

Highlights
Hot Topics
...
波多野结衣办公室双飞_制服 丝袜 综合 日韩 欧美_网站永久看片免费_欧美一级片在线免费观看_免费视频91蜜桃_精产国品一区二区三区_97超碰免费在线观看_欧美做受喷浆在线观看_国产熟妇搡bbbb搡bbbb_麻豆精品国产传媒
91免费公开视频| 国产精品久久久久桃色tv| 亚洲成在人线在线播放| 91蜜桃视频在线| 一区视频免费观看| 国产精品久久久久久久久快鸭 | 欧美xxxx精品| 久久综合成人精品亚洲另类欧美| 日韩主播视频在线| 极品粉嫩小仙女高潮喷水久久| 欧美精选一区二区| 午夜精品久久久久影视| 999精品免费视频| 欧美一级午夜免费电影| 日韩国产欧美在线视频| 黄色a一级视频| 精品动漫一区二区三区在线观看| 久久综合综合久久综合| 性猛交ⅹxxx富婆video | 免费a v网站| 日韩欧美中文字幕一区| 奇米精品一区二区三区四区 | 中文字幕在线2021| 最新久久zyz资源站| 男插女视频网站| 欧美美女一区二区三区| 日韩国产在线观看一区| 日本一级免费视频| 国产精品网站在线观看| 91丨porny丨户外露出| 欧美日本一区二区在线观看| 日韩av一区二| 国产馆在线观看| 亚洲天堂精品在线观看| 9191在线视频| 日韩一区二区三| 国产在线不卡一区| 一本大道久久精品懂色aⅴ| 亚洲自拍与偷拍| 少妇毛片一区二区三区| 国产情人综合久久777777| 成人国产视频在线观看| 欧美日韩高清一区二区三区| 奇米精品一区二区三区在线观看一 | 中文字幕第69页| **欧美大码日韩| 亚洲图片综合网| 久久精品视频一区二区| a4yy欧美一区二区三区| 91精品国产色综合久久ai换脸 | 亚洲欧洲精品一区二区三区不卡| 日韩精品xxx| 欧美精品一区二区三区在线| 成人av综合一区| 欧美一区二区精品| 国产69精品久久久久777| 欧美视频自拍偷拍| 久久99精品久久久久久国产越南 | 国产一区二区免费在线| 欧亚洲嫩模精品一区三区| 免费在线看一区| 好吊色视频在线观看| 日韩电影在线观看电影| 日本黄色录像视频| 午夜精品久久久久久久| 人人干在线观看| 舔着乳尖日韩一区| 国产激情无码一区二区三区| 午夜欧美大尺度福利影院在线看| 91视频免费看片| 午夜欧美大尺度福利影院在线看| av在线播放中文字幕| 亚洲h在线观看| 精品自拍偷拍视频| 日本午夜一区二区| 色诱视频网站一区| 精品午夜久久福利影院| 欧美特级限制片免费在线观看| 精品写真视频在线观看| 欧美疯狂性受xxxxx喷水图片| 高清beeg欧美| 欧美白人最猛性xxxxx69交| 久久久久久国产精品日本| 国产性做久久久久久| 成人免费无码大片a毛片| 亚洲欧美偷拍卡通变态| 日本高清黄色片| 日韩精品电影在线| 色综合一区二区| 麻豆精品精品国产自在97香蕉| 在线中文字幕一区二区| 国产精品一二三四五| 日韩免费高清av| 日本精品一二三| 亚洲日本一区二区| 激情无码人妻又粗又大| 久久精品国产秦先生| 欧美男男青年gay1069videost| 波多野结衣欧美| 中文字幕免费一区| 日本一区二区视频在线播放| 日本中文字幕一区二区视频| 欧美日韩视频在线观看一区二区三区| 国产成人无遮挡在线视频| 26uuu成人网一区二区三区| 中国黄色片视频| 亚洲一区二区在线免费看| 日本乱码高清不卡字幕| 粉嫩高潮美女一区二区三区 | 亚洲综合色丁香婷婷六月图片| 多男操一女视频| 国产精品资源在线观看| 26uuu精品一区二区在线观看| 99久久人妻精品免费二区| 亚洲成人第一页| 欧美精品一卡二卡| 精品人妻二区中文字幕| 亚洲精品国产精品乱码不99| 久草网站在线观看| 成人黄色av电影| 亚洲视频在线一区二区| 久草网站在线观看| heyzo一本久久综合| 综合电影一区二区三区 | 欧美图片自拍偷拍| 亚洲一区在线看| 欧美日韩午夜在线视频| 四虎成人免费视频| 午夜精品久久久久久久| 欧美一级日韩免费不卡| 人人妻人人澡人人爽人人精品| 蜜臀av一级做a爰片久久| 欧美电影免费观看高清完整版在线| 你懂的在线观看网站| 亚洲成av人片在线| 欧美日韩美女一区二区| 久久久久亚洲无码| 日本午夜精品视频在线观看| 欧美成人精品3d动漫h| 精品成人无码一区二区三区| 国产精品一区二区视频| 国产精品久久久久永久免费观看 | 欧美一激情一区二区三区| 成人免费无码大片a毛片| 美女视频一区二区| 国产亚洲一区二区三区在线观看 | 亚洲精品视频网址| 国产麻豆成人精品| 成人免费一区二区三区视频| 欧洲精品一区二区| 在线天堂www在线国语对白| 麻豆国产精品官网| 中文字幕乱码一区二区免费| 日本韩国欧美三级| 日本人添下边视频免费| 免费成人美女在线观看.| 久久男人中文字幕资源站| 蜜臀av午夜精品久久| 91丨porny丨中文| 日韩精品1区2区3区| 久久免费的精品国产v∧| 色综合天天综合狠狠| 国产情侣久久久久aⅴ免费| 美国毛片一区二区| 国产精品日日摸夜夜摸av| 欧洲一区二区三区免费视频| 北岛玲一区二区| 国产ts人妖一区二区| 亚洲一级片在线观看| 精品国产乱码久久| 色综合色狠狠天天综合色| 美女久久久久久久久| 国产一区二区免费在线| 夜夜精品视频一区二区| 精品欧美一区二区久久| 午夜写真片福利电影网| 日韩av无码一区二区三区不卡| 国产一区二区0| 亚洲一二三级电影| 2020日本不卡一区二区视频| 91豆麻精品91久久久久久| 国产黄色网址在线观看| 成人免费看视频| 欧美aaaaaa午夜精品| 18欧美亚洲精品| 精品女同一区二区| 在线免费视频一区二区| 91国模少妇一区二区三区| 99久久er热在这里只有精品66| 日本欧美一区二区在线观看| 亚洲欧洲在线观看av| 日韩欧美国产电影| 色香色香欲天天天影视综合网| 成人精品在线观看视频| 成人app下载| 久久疯狂做爰流白浆xx| 夜夜亚洲天天久久| 国产精品视频一区二区三区不卡| 欧美一区2区视频在线观看| 91成人福利视频|