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Home to virgin reefs, rare sharks and vast numbers of exotic fish, the Coral

游客2023-08-08  43
问题    Home to virgin reefs, rare sharks and vast numbers of exotic fish, the Coral Sea is a unique haven of biodiversity off the northeastern coast of Australia. If a proposal by the Australian government goes ahead, the region will also become the world’s largest marine protected area, with restrictions or bans on fishing, mining and marine farming.
   The Coral Sea reserve would cover almost 990,000 square kilometres and stretch as far as 1,100 kilometres from the coast. Unveiled recently by environment minister Tony Burke, the proposal would be the last in a series of proposed marine reserves around Australia’s coast.
   But the scheme is attracting criticism from scientists and conservation groups, who argue that the government hasn’t gone far enough in protecting the Coral Sea, or in other marine reserves in the coastal network.
   Hugh Possingham, director of the Centre of Excellence for Environmental Decisions at the University of Queensland, points out that little more than half of the Coral Sea reserve is proposed as ’no take’ area, in which all fishing would be banned. The world’s largest existing marine reserve, established last year by the British government in the Indian Ocean, spans 554,000 km2 and is a no-take zone throughout. An alliance of campaigmng conversation groups argues that more of the Coral Sea should receive this level of protection.
   "I would like to have seen more protection for coral reefs," says Terry Hughes, director of the Centre of Excellence for Coral Reef Studies at James Cook University in Queensland. "More than 20 of them would be outside the no-take area and vulnerable to catch-and-release fishing".
   As Nature went to press, the Australian government had not responded to specific criticisms of the plan. But Robin Beaman, a marine geologist at James Cook University, says that the reserve does "broadly protect the range of habitats" in the sea. "I can testify to the huge effort that government agencies and other organisations have put into trying to understand the ecological values of this vast area," he says.
   Reserves proposed earlier this year for Australia’s southwestern and northwestern coastal regions have also been criticised for failing to give habitats adequate protection. In August, 173 marine scientists signed an open letter to the government saying they were "greatly concerned" that the proposals for the southwestern region had not been based on the "core science principles" of reserves—the protected regions were not, for instance, representative of all the habitats in the region, they said.
   Critics say that the southwestern reserve offers the greatest protection to the offshore areas where commercial opportunities are fewest and where there is little threat to the environment, a contention also levelled at the Coral Sea plan. [br] What do we learn from the passage about the Coral Sea?
选项 A、It is exceptionally rich in marine life.
B、It is the biggest marine protected area.
C、It remains largely undisturbed by humans.
D、It is a unique haven of endangered species.
答案 A
解析 推理判断题。定位句指出，珊瑚海是原始珊瑚礁、稀有鲨鱼和大量奇异鱼类的家园，是澳大利亚东北部海岸生物多样性的独特港湾，显然这里的海洋生物非常丰富，故答案为A)“它的海洋生物非常丰富”。
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