World wildlife 'falls by 58% in 40 years' 全球野生动物总数“四十年内下降58%”
<p>媒体英语<span word="World">World</span> <span word="wildlife">wildlife</span> '<span word="falls">falls</span> <span word="by">by</span> 58% <span word="in">in</span> 40 <span word="years">years</span>' 全球野生动物总数“四十年内下降58%” </p><p>据报告称,自 1970 年来全球野生动物总数已减少 58% 。由伦敦动物学会( <span word="Zoological">Zoological</span> <span word="Society">Society</span> <span word="of">of</span> <span word="London">London</span> )和世界自然基金会( <span word="WWF">WWF</span> )共同编写的“地球生命力”评估报告表明,如果该趋势持续下去,到 2020年 为止脊椎动物数量将会下降三分之二。相关数据显示,居住在湖泊、河流、湿地的动物正经受最大的威胁。请听 <span word="Rebecca">Rebecca</span> <span word="Morelle">Morelle</span> 的 报道。 </p><p><span word="Looking">Looking</span> <span word="at">at</span> <span word="data">data</span> <span word="collected">collected</span> <span word="on">on</span> 3,700 <span word="different">different</span> <span word="species">species</span> <span word="of">of</span> <span word="birds">birds</span>, <span word="fish">fish</span>, <span word="mammals">mammals</span>, <span word="amphibians">amphibians</span> <span word="and">and</span> <span word="reptiles">reptiles</span>, <span word="the">the</span> <span word="researchers">researchers</span> <span word="analysed">analysed</span> <span word="how">how</span> <span word="population">population</span> <span word="sizes">sizes</span> <span word="have">have</span> <span word="changed">changed</span> <span word="over">over</span> <span word="time">time</span>.</p><p><span word="They">They</span> <span word="believe">believe</span> <span word="that">that</span> <span word="since">since</span> 1970, <span word="species">species</span> <span word="have">have</span> <span word="declined">declined</span> <span word="by">by</span> <span word="an">an</span> <span word="average">average</span> <span word="of">of</span> 58%. <span word="Some">Some</span> <span word="have">have</span> <span word="fared">fared</span> <span word="very">very</span> <span word="badly">badly</span>, <span word="such">such</span> <span word="as">as</span> <span word="African">African</span> <span word="elephants">elephants</span>, <span word="whose">whose</span> <span word="numbers">numbers</span> <span word="have">have</span> <span word="been">been</span> <span word="cut">cut</span> <span word="by">by</span> <span word="a">a</span> <span word="third">third</span> <span word="in">in</span> <span word="the">the</span> <span word="last">last</span> <span word="decade">decade</span>, <span word="and">and</span> <span word="the">the</span> <span word="Amur">Amur</span> <span word="leopard">leopard</span>, <span word="which">which</span> <span word="is">is</span> <span word="as">as</span> <span word="few">few</span> <span word="as">as</span> 70 <span word="animals">animals</span> <span word="left">left</span> <span word="in">in</span> <span word="the">the</span> <span word="world">world</span>.</p><p><span word="The">The</span> <span word="report">report</span> <span word="says">says</span> <span word="that">that</span> <span word="human">human</span> <span word="activity">activity</span> <span word="is">is</span> <span word="to">to</span> <span word="blame">blame</span> <span word="and">and</span> <span word="concludes">concludes</span> <span word="that">that</span> <span word="if">if</span> <span word="nothing">nothing</span> <span word="is">is</span> <span word="done">done</span>, <span word="wildlife">wildlife</span> <span word="populations">populations</span> <span word="could">could</span> <span word="fall">fall</span> <span word="by">by</span> 67% <span word="from">from</span> 1970 <span word="levels">levels</span> <span word="by">by</span> <span word="the">the</span> <span word="end">end</span> <span word="of">of</span> <span word="the">the</span> <span word="decade">decade</span>.</p><p> 词汇表 </p><p><span word="species">species</span> 物种</p><p><span word="amphibians">amphibians</span> 两栖动物</p><p><span word="reptiles">reptiles</span> 爬行动物</p><p><span word="population">population</span> 动物总数</p><p><span word="fared">fared</span> 经受了,遭遇了</p><p><span word="African">African</span> <span word="elephants">elephants</span> 非洲象</p><p><span word="cut">cut</span> 减少,降低</p>
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