保护海洋生态系统
文章来源:未知 文章作者:meng 发布时间:2010-09-15 01:29 字体: [ ]  进入论坛
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Leading international marine1 scientists are proposing radical2 changes in the governance of the world's oceans to rescue them from overfishing, pollution and other human impacts. Based on a successful experiment in Chile, the researchers say a new approach to marine tenure3(任期,占有) could help to reverse the maritime4 'tragedy of the commons' which has led to the depletion5(消耗,耗损) of fish stocks worldwide.

"Marine ecosystems7 are in decline around the world. New transformational changes in governance are urgently required to cope with overfishing, pollution, global changes, and other drivers of degradation," says Professor Terry Hughes of the ARC Centre of Excellence9 for Coral Reef Studies and James Cook University, one of the authors of a new scientific paper advocating sweeping10 reform of ocean governance.

"In recent years there has been a growing appreciation11 that the health of ecosystems like the oceans and human wellbeing are closely linked," says co-author Dr. Per Olsson of the Stockholm Resilience Centre. "Unfortunately, typical governance arrangements don't effectively link these two essential elements, when trying to manage fishing pressure for example. They are often too rigid12 and don't cope well with surprises or changed conditions."

A combination of fisheries collapses13 and the move to democracy in Chile, quite by chance, provided the opportunity to try out some new arrangements for looking after fisheries, involving a partnership14 of fishers, scientists and managers.

"There was a general recognition that Chile's fish stocks were in trouble," says Professor Carl Folke, also from the Stockholm Resilience Centre and the Beijer Institute. "Things were turbulent(骚乱的,混乱的) and people were looking for answers and that made them open to new approaches. There was also good scientific understanding of the coastal15 ecosystems of the region on which to base a new management plan."

Fishers and scientists had been working together on the problem for some years, sharing knowledge and building trust. This led to the trialling of new co-operative models for fishery management, based on the latest that science can reveal about the state of the fish stock and the surrounding marine ecosystem6.

The result is a revolutionary national system of marine tenure that allocates16(分配,指定) user rights and responsibilities to collectives of fishers.

"Although fine tuning17 is always needed to continue to build resilience of this new regime, this transformation8 has improved the sustainability of the interconnected social–ecological system," Prof Folke adds.

A vital ingredient in the change was the move by Chile to democracy after a 17-year dictatorship(专政,独裁) . This opened the way for reform of the laws governing fishing rights.

The new laws gave exclusive ocean territories to local 'artisanal(手工艺性的) ' fishers, and excluded the big industrial fishing fleets, which had their own exclusive fishing zone.

Scientists and small fishers then worked together to understand and rebuild the shattered fish stocks in their zone, leading to a shared vision and voluntary agreements on how to manage them. Fishing pressure was reduced in the industrial fishing zone by cutting the number of big vessels18.

Professor Hughes says the Chilean experience contains lessons which can potentially apply anywhere in the world where a fishery is in trouble and there is good scientific data on the marine environment.

"You need a shared recognition that something has to be done, you need a good understanding of the marine ecosystem and how to regenerate19 it, you need a strong rapport20(密切关系,交往) between scientists and fishers, and you need a political moment when sweeping changes can be brought in," he says.

"If you have all those things, there is a good chance you can avoid the marine 'tragedy of the commons' which has been a feature of fisheries around the world in the past half century."

The research indicates the key to managing fisheries may depend on creating agreements that are both voluntary and flexible enough to cope with changes in the ocean environment, leading to fisheries that are both ecologically and socially sustainable.



点击收听单词发音收听单词发音  

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 radical hA8zu     
n.激进份子,原子团,根号;adj.根本的,激进的,彻底的
参考例句:
  • The patient got a radical cure in the hospital.病人在医院得到了根治。
  • She is radical in her demands.她的要求十分偏激。
3 tenure Uqjy2     
n.终身职位;任期;(土地)保有权,保有期
参考例句:
  • He remained popular throughout his tenure of the office of mayor.他在担任市长的整个任期内都深得民心。
  • Land tenure is a leading political issue in many parts of the world.土地的保有权在世界很多地区是主要的政治问题。
4 maritime 62yyA     
adj.海的,海事的,航海的,近海的,沿海的
参考例句:
  • Many maritime people are fishermen.许多居于海滨的人是渔夫。
  • The temperature change in winter is less in maritime areas.冬季沿海的温差较小。
5 depletion qmcz2     
n.耗尽,枯竭
参考例句:
  • Increased consumption of water has led to rapid depletion of groundwater reserves.用水量的增加导致了地下水贮备迅速枯竭。
  • Farmers should rotate crops every season to prevent depletion of the soil.农夫每季应该要轮耕,以免耗尽土壤。
6 ecosystem Wq4xz     
n.生态系统
参考例句:
  • This destroyed the ecosystem of the island.这样破坏了岛上的生态系统。
  • We all have an interest in maintaining the integrity of the ecosystem.维持生态系统的完整是我们共同的利益。
7 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
8 transformation SnFwO     
n.变化;改造;转变
参考例句:
  • Going to college brought about a dramatic transformation in her outlook.上大学使她的观念发生了巨大的变化。
  • He was struggling to make the transformation from single man to responsible husband.他正在努力使自己由单身汉变为可靠的丈夫。
9 excellence ZnhxM     
n.优秀,杰出,(pl.)优点,美德
参考例句:
  • His art has reached a high degree of excellence.他的艺术已达到炉火纯青的地步。
  • My performance is far below excellence.我的表演离优秀还差得远呢。
10 sweeping ihCzZ4     
adj.范围广大的,一扫无遗的
参考例句:
  • The citizens voted for sweeping reforms.公民投票支持全面的改革。
  • Can you hear the wind sweeping through the branches?你能听到风掠过树枝的声音吗?
11 appreciation Pv9zs     
n.评价;欣赏;感谢;领会,理解;价格上涨
参考例句:
  • I would like to express my appreciation and thanks to you all.我想对你们所有人表达我的感激和谢意。
  • I'll be sending them a donation in appreciation of their help.我将送给他们一笔捐款以感谢他们的帮助。
12 rigid jDPyf     
adj.严格的,死板的;刚硬的,僵硬的
参考例句:
  • She became as rigid as adamant.她变得如顽石般的固执。
  • The examination was so rigid that nearly all aspirants were ruled out.考试很严,几乎所有的考生都被淘汰了。
13 collapses 9efa410d233b4045491e3d6f683e12ed     
折叠( collapse的第三人称单数 ); 倒塌; 崩溃; (尤指工作劳累后)坐下
参考例句:
  • This bridge table collapses. 这张桥牌桌子能折叠。
  • Once Russia collapses, the last chance to stop Hitler will be gone. 一旦俄国垮台,抑止希特勒的最后机会就没有了。
14 partnership NmfzPy     
n.合作关系,伙伴关系
参考例句:
  • The company has gone into partnership with Swiss Bank Corporation.这家公司已经和瑞士银行公司建立合作关系。
  • Martin has taken him into general partnership in his company.马丁已让他成为公司的普通合伙人。
15 coastal WWiyh     
adj.海岸的,沿海的,沿岸的
参考例句:
  • The ocean waves are 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。
16 allocates be9a47b10c250bd2e1d33cbff69ca754     
分配,分派( allocate的第三人称单数 ); 把…拨给
参考例句:
  • The state allocates huge funds for the development of aid-agriculture industries. 国家拨出大批资金,发展支农工业。
  • The value that then I create value allocates part to discuss. 于是我把价值创造的价值分配分别开来论述。
17 tuning 8700ed4820c703ee62c092f05901ecfc     
n.调谐,调整,调音v.调音( tune的现在分词 );调整;(给收音机、电视等)调谐;使协调
参考例句:
  • They are tuning up a plane on the flight line. 他们正在机场的飞机跑道上调试一架飞机。 来自《简明英汉词典》
  • The orchestra are tuning up. 管弦乐队在定弦。 来自《现代汉英综合大词典》
18 vessels fc9307c2593b522954eadb3ee6c57480     
n.血管( vessel的名词复数 );船;容器;(具有特殊品质或接受特殊品质的)人
参考例句:
  • The river is navigable by vessels of up to 90 tons. 90 吨以下的船只可以从这条河通过。 来自《简明英汉词典》
  • All modern vessels of any size are fitted with radar installations. 所有现代化船只都有雷达装置。 来自《现代汉英综合大词典》
19 regenerate EU2xV     
vt.使恢复,使新生;vi.恢复,再生;adj.恢复的
参考例句:
  • Their aim is to regenerate British industry.他们的目的是复兴英国的工业。
  • Although it is not easy,you have the power to regenerate your life.尽管这不容易,但你有使生活重获新生的能力。
20 rapport EAFzg     
n.和睦,意见一致
参考例句:
  • She has an excellent rapport with her staff.她跟她职员的关系非常融洽。
  • We developed a high degree of trust and a considerable personal rapport.我们发展了高度的互相信任和不错的私人融洽关系。
TAG标签: world Marine oceans
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