久久亚洲国产成人影院-久久亚洲国产的中文-久久亚洲国产高清-久久亚洲国产精品-亚洲图片偷拍自拍-亚洲图色视频

News Flash

Shellfish under threat from ocean acidification

By Wu Chong (chinadaily.com.cn)
Updated: 2010-12-03 14:47
Large Medium Small

CANCUN, Mexico?- Certain ocean organisms, particularly shellfish and corals, are losing their ability to form skeletons as a result of increasing "ocean acidification," a marine environmental problem triggered by accumulating concentrations of dissolved carbon dioxide in the ocean, a new report said.

Related readings:
Shellfish under threat from ocean acidification Nations urged to think beyond borders
Shellfish under threat from ocean acidification Top climate negotiator talks about China's role in Cancun
Shellfish under threat from ocean acidification UN climate change chief praises efforts by China and US
Shellfish under threat from ocean acidification Japan's decision vexes Cancun meeting

In turn, some marine species that are dependent or feed on shell-building organisms, including the clown fish, may find it harder to avoid their predators and to make their way home.

These findings were released by the United Nations Environment Program (UNEP) on Thursday at the United Nations Climate Change Conference in Cancun, Mexico.

Carol Turley, a senior scientist at the UK's Plymouth Marine Laboratory, which collaborated with UNEP in the research, told the media that such phenomena were posing a threat to billions of people who depend directly or indirectly on shellfish for protein and livelihoods.

The researchers said they observed an acidification process currently at a speed not seen in 65 million years?- since the extinction of dinosaurs. And the mean pH value of the ocean has decreased by 30 percent.

"This is a global issue," Turley said. "All oceans are affected, though some of them are affected earlier."

She pointed out that in those highly industrialized areas where sulfur is added to the ocean, the impact is even bigger.

According to Tim Kasten with UNEP, the quickest way to stop this aggravation is "rapid and substantial" carbon emission cuts.

"The other thing is to determine the vulnerability (of different species) to ocean acidification," he added.

分享按鈕
主站蜘蛛池模板: 日韩精品视频美在线精品视频 | 特黄a三级三级三级 | 操12p | 在线播放一区二区精品产 | 久久久久免费观看 | 玖玖玖视频在线观看视频6 玖玖影院在线观看 | 91精品免费久久久久久久久 | 女人张开双腿让男人桶完整 | 国产成人精品免费视频 | 国产精品一级毛片不收费 | 女人扒开双腿让男人捅 | 99精品视频在线观看免费 | 中文字幕亚洲一区二区va在线 | 欧美区在线 | 国产欧美精品一区二区三区 | 日韩成人毛片高清视频免费看 | 女人张开腿男人捅 | 在线a毛片免费视频观看 | jiucao在线观看精品 | 精品欧美一区二区三区精品久久 | 一级特级欧美a毛片免费 | 亚洲 欧美 都市 自拍 在线 | 99久久99热精品免费观看国产 | 在线欧美视频 | 伊人婷婷色香五月综合缴激情 | 国产a自拍 | 男女视频在线免费观看 | 欧美午夜视频 | 国产日韩欧美视频在线 | 亚洲一区高清 | 日本一级高清片免费 | 老少配性xxxxxx| 成年片美女福利视频在线 | 91大神大战丝袜美女在线观看 | 久久久这里只有精品免费 | 秘书高跟黑色丝袜国产91在线 | 成人精品网 | 国产激情一区二区三区在线观看 | 99久久亚洲综合精品网站 | 日本免费一二区视频 | 成人免费观看永久24小时 |