海洋酸化威胁到人类食物供应
文章来源:未知 文章作者:meng 发布时间:2009-12-14 03:24 字体: [ ]  进入论坛
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Acidification of the oceans is a major threat to marine1 life and humanity's food supply, Hilary Benn is to warn as the UN climate summit resumes.

海洋酸化对海洋生物以及人类的食品供应是一项主要的威胁。

Acidification of the oceans affects marine life
Acidification of the oceans affects marine life

The UK environment secretary will say that acidification酸化 provides a "powerful incentive动机,刺激" to cut carbon emissions2.

Ocean chemistry is changing because water absorbs吸收 extra CO2 from the air.

Some believe this could be as big an impact of rising CO2 levels as climatic change, though it is rarely discussed within the UN climate convention.

The UN summit in Copenhagen, which started a week ago, is scheduled to conclude on Friday, when more than 100 world leaders will attend in an effort to agree a new global treaty on climate change.

'Really important'

The science has come to prominence突出,显著 only within the last five or six years, and most of the details were not available when the convention大会,协定 was signed in 1992.

"We know that the increasing concentration of CO2 [in the air] is making the oceans more acidic," Mr Benn told BBC News.

"It affects marine life, it affects coral, and that in turn could affect the amount of fish in the sea - and a billion people in the world depend on fish for their principal首要的 source of protein.

"It doesn't get as much attention as the other problems; it is really important."

In September, the UN-backed study into The Economics of Ecosystems4 and Biodiversity (Teeb) concluded that the widely-endorsed target of trying to stabilise atmospheric5 concentrations of CO2 or their equivalent to等于,相当于 around 450 parts per million (ppm) would prove lethal致命的 to much of the world's coral.



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1 marine 77Izo     
adj.海的;海生的;航海的;海事的;n.水兵
参考例句:
  • Marine creatures are those which live in the sea. 海洋生物是生存在海里的生物。
  • When the war broke out,he volunteered for the Marine Corps.战争爆发时,他自愿参加了海军陆战队。
2 emissions 1a87f8769eb755734e056efecb5e2da9     
排放物( emission的名词复数 ); 散发物(尤指气体)
参考例句:
  • Most scientists accept that climate change is linked to carbon emissions. 大多数科学家都相信气候变化与排放的含碳气体有关。
  • Dangerous emissions radiate from plutonium. 危险的辐射物从钚放散出来。
3 prominence a0Mzw     
n.突出;显著;杰出;重要
参考例句:
  • He came to prominence during the World Cup in Italy.他在意大利的世界杯赛中声名鹊起。
  • This young fashion designer is rising to prominence.这位年轻的时装设计师的声望越来越高。
4 ecosystems 94cb0e40a815bea1157ac8aab9a5380d     
n.生态系统( ecosystem的名词复数 )
参考例句:
  • There are highly sensitive and delicately balanced ecosystems in the forest. 森林里有高度敏感、灵敏平衡的各种生态系统。 来自《简明英汉词典》
  • Madagascar's ecosystems range from rainforest to semi-desert. 马达加斯加生态系统类型多样,从雨林到半荒漠等不一而足。 来自辞典例句
5 atmospheric 6eayR     
adj.大气的,空气的;大气层的;大气所引起的
参考例句:
  • Sea surface temperatures and atmospheric circulation are strongly coupled.海洋表面温度与大气环流是密切相关的。
  • Clouds return radiant energy to the surface primarily via the atmospheric window.云主要通过大气窗区向地表辐射能量。
6 lethal D3LyB     
adj.致死的;毁灭性的
参考例句:
  • A hammer can be a lethal weapon.铁锤可以是致命的武器。
  • She took a lethal amount of poison and died.她服了致命剂量的毒药死了。
TAG标签: ocean food climate acid
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