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Scientists, conservation organizations and governments trying to stem the tide of extinction often focus efforts on protected ar
Scientists, conservation organizations and governments trying to stem the tide of extinction often focus efforts on protected ar
admin
2022-11-01
50
问题
Scientists, conservation organizations and governments trying to stem the tide of extinction often focus efforts on protected areas such as national parks and wildlife preserves. But with as many as a million species at risk, this strategy may not be enough to conserve wildlife, especially in a world increasingly disrupted by climate change.
Slowing the mass extinction that now appears to be underway will require more creative means of coexisting alongside wild plants and animals. A recent study underlines the effectiveness of some such approaches by examining indigenous-managed lands.
"We show really strongly that, from a biodiversity standpoint in terms of species richness, indigenous-managed lands are at least comparable to protected areas," says biologist Richard Schuster of Carleton University. And in some places, they far surpass parks and preserves—even though indigenous communities may utilize their lands’ resources by hunting or searching for food.
Schuster and his team analyzed more than 15,000 areas in Australia, Brazil and Canada. They found that the total diversity of birds, mammals, amphibians and reptiles was highest on lands either managed or co-managed by indigenous groups, whereas randomly selected locations with no formal protection were the least biodiverse. For threatened species in particular, indigenous lands scored slightly higher than protected lands on overall species richness in Brazil and Canada, as well as higher for threatened amphibians and reptiles in Australia, mammals in Brazil, and birds and reptiles in Canada. The results were published last November in Environmental Science and Policy.
Each country has a different geography and climate. Yet remarkably, Schuster says, the best indicator for species diversity is whether a given area was managed by an indigenous community. He points out that practices such as sustainable hunting and fishing, as well as prescribed burning, are more likely to occur in such areas. Don Hankins, an ecologist at California State University, Chico, who is a member of the Plains Miwok indigenous nation and was not involved in the study, agrees. "There’s probably going to be more of a connection to the land," he says, "and a use of the land for the things that are there, compared to a national park."
"It’s really important to listen to the people who live on the land and have them drive the management efforts going forward," Schuster says, adding that partnering with indigenous communities may enable the world’s countries to better meet a wide range of conservation goals: "We really need all the help we can get as a global community to avert the extinction crisis that we’re facing right now."
Traditional conservation programs may not fully work in that__________.
选项
A、they expand conservation beyond their original boundaries
B、they have paid insufficient attention to protected areas
C、about one million plant and animal species are facing extinction
D、the strategy they choose is disrupted by global warming
答案
C
解析
根据题干关键词The traditional conservation programs定位至第一段。该段第一句指出了科学家等群体经常将精力放在保护区(focus efforts on protected areas),这属于传统的保护方案。第二句以But进行转折,表明这一策略不足以保护野生生物(may not be enough to conserve wildlife),对应题干中的not fully work。因此本题答案定位于with引导的原因状语:有多达一百万个物种正处于危险之中(with as many as a million species at risk)。选项中与此相符合的为[C]选项,故为答案。
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0
考研英语一
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