首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Protecting just 42 sites across Asia, ranging from temperate forests to tropical grasslands, could be key to the survival of one
Protecting just 42 sites across Asia, ranging from temperate forests to tropical grasslands, could be key to the survival of one
admin
2013-07-20
84
问题
Protecting just 42 sites across Asia, ranging from temperate forests to tropical grasslands, could be key to the survival of one of the world’s most symbolic and feared, wild cats—the tiger.
That radical proposal, published online in the journal Public Library of Science-. Biology, represents a scaling-back of ambition and what one of the paper’s authors calls "ruthless priority setting". "It’s forcing hard decisions," said Simon Stuart, co-author of the paper, who chairs the species survival commission at the International Union for Conservation of Nature. For animals that are worth considerable sums, he added, "there’s no way you can protect them across an entire landscape, because the costs are too high".
John Robinson, executive vice president for conservation and science at the Wildlife Conservation Society, said researchers experienced "a real shock" when they determined what was needed to keep the species going. The majority of about 1 000 breeding females are found in India, Russia and Indonesia. None remain in Cambodia, China, DPRK and Vietnam. "Unless we protect those core populations, within a few short years we could lose tigers altogether," said Robinson, another of the paper’s co-authors.
Over the past couple of decades, environmentalists have focused on preserving large, ecologically rich landscapes to ensure that a wide range of plant and animal species can thrive over the long term. But for a number of highly endangered species, scientists now say, governments and nonprofit organizations must target their efforts more narrowly if they want to ensure that these populations remain viable.
In the case of the tiger, three factors—habitat loss, the overhunting of its prey and poaching (偷猎)— have caused its number to drop from more than 10 000 in the 1980s to fewer than 3 500 today. It is said that tiger parts are so prized in Eastern medicine that a dead one can sell for $ 1 500 to $ 3 500 before its eyes are sold as a cure for some complicated diseases and are converted into a soup for the body, and its bones are ground into powder to treat some diseases like typhoid (伤寒). Researchers have determined that tigers occupy less than 7 percent of their historic range. In addition to poaching, Asia’s rapid economic development—including road and dam construction—has eroded tiger habitat.
Robinson and others advocate a two-step process that focuses on monitoring and protecting tigers in the 42 source sites and a longer-term effort to preserve the large landscapes tigers need to hunt and wander.
According to John Robinson, when researchers determined what they should do to save the species from going extinct, they suffered from______.
选项
答案
a real shock
解析
同义转述题。本题考查研究者做出决定时的心理感受。由定位句可知,据Robinson透露,研究者在确定保护这些物种生存下去所必需的工作时,感受到了“真正的震撼”。题干中的save the species from goingextinct,suffered from分别是原文中keep thespecies going,experienced的同义转述。
转载请注明原文地址:https://kaotiyun.com/show/6Kn7777K
0
大学英语六级
相关试题推荐
Parentsareoftenupsetwhentheirchildrenpraisethehomesoftheirfriendsandregarditasaslur(诽谤,中伤)ontheirowncooki
A、Traininggiventomusictherapists.B、Howmusicpreventsdisease.C、Studiesonthebenefitsofmusic.D、Howmusicianscreatem
A、Themeaningoffacialexpressionsdependsonsituations.B、Facialexpressionscancausemisunderstandingacrossculture.C、Peo
HealthHealthcouldbedefinedtheoreticallyintermsofcertainmeasuredvalues;forexample,apersonhavingnormalbodyt
HealthHealthcouldbedefinedtheoreticallyintermsofcertainmeasuredvalues;forexample,apersonhavingnormalbodyt
OnDecember25,2000,manypeopleacrossNorthAmericareceivedarareChristmastreatwhenthemoonpassedinfrontofthesun
Whenaninventionismade,theinventorhasthreepossiblecoursesofactionopentohim:hecangivetheinventiontotheworld
TheauthortellsthestoryofNormanPaintingtoillustrate______.WithincreasingpopularityofdigitalTVandset-topboxes
Theyputontheirheadphones,drapeahoodovertheirheadanddriftoffintotheworldof"digitalhighs."VideospostedonYou
Thisisaparticularmomentinthehistoryofdigitalnetworks,onewhenpowerfulcorporateactors(参与者)andhigh-performancenetw
随机试题
治疗因肾虚所致经行泄泻的最佳方剂是
A.疝内容物易回纳入腹腔B.疝内容物不能完全回纳入腹腔C.疝内容物有动脉性血循环障碍D.疝内容物被疝环卡住不能还纳,但无动脉性循环障碍E.疝内容为部分肠壁难复性疝为
按成槽方式对地下连续墙进行分类,不包括( )。
因海关关员的责任造成被查验货物损坏的,进出口货物收发货人或其代理人可以要求海关赔偿。但海关将不予赔偿的情况是:()。
下列不属于我国各级财政部门的预算职权的是()。
(2017年改)某企业为增值税一般纳税人,适用的增值税税率为13%。2019年12月1日,该企业“原材料——甲材料”科目期初结存数量为2000千克,单位成本为15元,未计提存货跌价准备。12月份发生有关甲材料收发业务或事项如下:(1)10日,购入甲材料
2018年9月11日,国家主席习近平在符拉迪沃斯托克和俄罗斯总统普京共同出席中俄地方领导人对话会。习近平主席就未来两国地方合作提出多点建议,主要包括()。①发挥国家引领作用.加强统筹协调②创新合作思路,拓展合作地域③深挖互补优势,突出地方特色
管弦乐《台湾舞曲》是我国作曲家聂耳的代表作。
A.Iwanttocheckin.B.Youmayboardnow.C.I’mafraidyourbagisfourkilosoverweight,A:IsthistherightcounterforCA
SuggestopediaI.IntroductionA.DerivedfromsuggestionandpedagogyB.Acceleratingthelearningspeedtoabout【T1】ofthecon
最新回复
(
0
)