1、科学英语：海洋渔业与生态系统形势严峻 A world-first global analysis of marine1 responses to climbing human CO2 emissions2 has painted a grim picture of future fisheries and ocean ecosystems3. Published today in the journal Proceedings4 of the National Academy of Sciences (PNAS), marine ecologists from the University o
2、f Adelaide say the expected ocean acidification and warming is likely to produce a reduction in diversity and numbers of various key species that underpin5 marine ecosystems around the world.This simplification of our oceans will have profound consequences for our current way of life, particularly f
3、or coastal6 populations and those that rely on oceans for food and trade, says Associate Professor Ivan Nagelkerken, Australian Research Council (ARC) Future Fellow with the Universitys Environment Institute.Associate Professor Nagelkerken and fellow University of Adelaide marine ecologist Professor
4、 Sean Connell have conducted a meta-analysis of the data from 632 published experiments covering tropical to artic waters, and a range of ecosystems from coral reefs, through kelp forests to open oceans.We know relatively7 little about how climate change will affect the marine environment, says Prof
5、essor Connell. Until now, there has been almost total reliance on qualitative8 reviews and perspectives of potential global change. Where quantitative9 assessments10 exist, they typically focus on single stressors, single ecosystems or single species.This analysis combines the results of all these e
6、xperiments to study the combined effects of multiple stressors on whole communities, including species interactions and different measures of responses to climate change.词汇解析：1 marine 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,h
7、e volunteered for the Marine Corps.战争爆发时，他自愿参加了海军陆战队。2 emissions 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 ecosystems n.生态系统( ecosystem的名词复数 )参考例句：There
8、 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Madagascars 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4 proceedings n.进程，过程，议程；诉讼(程序)；公报参考例句：He was released on bail pending committal proceedings. 他交保获释正在候审。t
9、o initiate legal proceedings against sb对某人提起诉讼5 underpin v.加固，支撑参考例句：China needs regional stability to underpin its continued economic growth.中国需要地区稳定来稳固其持续的经济增长。These developments are underpinned by solid progress in heavy industry.重工业的稳固开展为这些进展打下了根底。6 coastal adj.海岸的，沿海的，沿岸的参考例句：The ocean waves ar
10、e slowly eating away the coastal rocks.大海的波浪慢慢地侵蚀着岸边的岩石。This country will fortify the coastal areas.该国将加强沿海地区的防御。7 relatively adv.比拟.地，相对地参考例句：The rabbit is a relatively recent introduction in Australia.兔子是相对较新引入澳大利亚的物种。The operation was relatively painless.手术相对来说不痛。8 qualitative adj.性质上的，质的，定性的参考例句
11、：There are qualitative differences in the way children and adults think.孩子和成年人的思维方式有质的不同。Arms races have a quantitative and a qualitative aspects.军备竞赛具有数量和质量两个方面。9 quantitative adj.数量的，定量的参考例句：He said it was only a quantitative difference.他说这仅仅是数量上的差异。We need to do some quantitative analysis of the drugs.我们对药物要进行定量分析。10 assessmentsn.评估( assessment的名词复数 )；评价；应偿付金额的估定；为征税对财产所作的估价参考例句：He was shrewd in his personal assessments. 他总能对人作出精明的评价。来自简明英汉词典Surveys show about two-thirds use such assessments, while half employ personality tests. 调查说明，约有三分之二的公司采用了这种测评；而一半的公司那么采用工作人员个人品质测试。来自百科语句
