Yangtze dolphin 'functionally extinct'-英语点津
<p><span word="Yangtze">Yangtze</span> <span word="dolphin">dolphin</span> '<span word="functionally">functionally</span> <span word="extinct">extinct</span>' [ 2007-08-10 14:36 ] <span word="Download">Download</span></p><p><span word="The">The</span> <span word="long">long</span>-<span word="threatened">threatened</span> <span word="Yangtze">Yangtze</span> <span word="River">River</span> <span word="dolphin">dolphin</span> <span word="has">has</span> <span word="been">been</span> <span word="declared">declared</span> "<span word="functionally">functionally</span> <span word="extinct">extinct</span>" <span word="after">after</span> <span word="an">an</span> <span word="expedition">expedition</span> <span word="late">late</span> <span word="last">last</span> <span word="year">year</span> <span word="failed">failed</span> <span word="to">to</span> <span word="find">find</span> <span word="any">any</span>, <span word="international">international</span> <span word="researchers">researchers</span> <span word="have">have</span> <span word="said">said</span>.</p><p><span word="Samuel">Samuel</span> <span word="Turvey">Turvey</span>, <span word="a">a</span> <span word="conservation">conservation</span> <span word="biologist">biologist</span> <span word="with">with</span> <span word="the">the</span> <span word="Zoological">Zoological</span> <span word="Society">Society</span> <span word="of">of</span> <span word="London">London</span> <span word="who">who</span> <span word="took">took</span> <span word="part">part</span> <span word="in">in</span> <span word="the">the</span> <span word="intensive">intensive</span> <span word="six">six</span>-<span word="week">week</span> <span word="search">search</span>, <span word="said">said</span> <span word="no">no</span> <span word="evidence">evidence</span> <span word="was">was</span> <span word="found">found</span> <span word="of">of</span> <span word="the">the</span> <span word="freshwater">freshwater</span> <span word="dolphin">dolphin</span>, <span word="also">also</span> <span word="known">known</span> <span word="as">as</span> <span word="the">the</span> <span word="baiji">baiji</span>, <span word="which">which</span> <span word="was">was</span> <span word="last">last</span> <span word="spotted">spotted</span> <span word="several">several</span> <span word="years">years</span> <span word="ago">ago</span>.</p><p><span word="He">He</span> <span word="said">said</span> <span word="the">the</span> <span word="dolphin">dolphin</span>'<span word="s">s</span> <span word="demise">demise</span> - <span word="a">a</span> <span word="result">result</span> <span word="of">of</span> <span word="over">over</span>-<span word="fishing">fishing</span>, <span word="pollution">pollution</span> <span word="and">and</span> <span word="lack">lack</span> <span word="of">of</span> <span word="intervention">intervention</span> - <span word="was">was</span> <span word="a">a</span> <span word="cautionary">cautionary</span> <span word="tale">tale</span> <span word="and">and</span> <span word="should">should</span> <span word="spur">spur</span> <span word="governments">governments</span> <span word="and">and</span> <span word="scientists">scientists</span> <span word="to">to</span> <span word="act">act</span> <span word="to">to</span> <span word="save">save</span> <span word="other">other</span> <span word="species">species</span> <span word="on">on</span> <span word="the">the</span> <span word="verge">verge</span> <span word="of">of</span> <span word="extinction">extinction</span>.</p><p>"<span word="Ours">Ours</span> <span word="is">is</span> <span word="the">the</span> <span word="first">first</span> <span word="scientific">scientific</span> <span word="study">study</span> <span word="to">to</span> <span word="have">have</span> <span word="failed">failed</span> <span word="to">to</span> <span word="find">find</span> <span word="any">any</span>," <span word="Turvey">Turvey</span> <span word="said">said</span> <span word="in">in</span> <span word="a">a</span> <span word="telephone">telephone</span> <span word="interview">interview</span>.</p><p>"<span word="Even">Even</span> <span word="if">if</span> <span word="there">there</span> <span word="are">are</span> <span word="a">a</span> <span word="few">few</span> <span word="left">left</span>, <span word="we">we</span> <span word="couldn">couldn</span>'<span word="t">t</span> <span word="find">find</span> <span word="them">them</span> <span word="and">and</span> <span word="therefore">therefore</span> <span word="can">can</span>'<span word="t">t</span> <span word="do">do</span> <span word="anything">anything</span> <span word="to">to</span> <span word="stop">stop</span> <span word="their">their</span> <span word="extinction">extinction</span>."</p><p><span word="The">The</span> <span word="team">team</span>, <span word="which">which</span> <span word="published">published</span> <span word="its">its</span> <span word="findings">findings</span> <span word="in">in</span> <span word="the">the</span> <span word="Journal">Journal</span> <span word="of">of</span> <span word="the">the</span> <span word="Royal">Royal</span> <span word="Society">Society</span>'<span word="s">s</span> <span word="Biology">Biology</span> <span word="Letters">Letters</span> <span word="on">on</span> <span word="Wednesday">Wednesday</span>, <span word="included">included</span> <span word="researchers">researchers</span> <span word="from">from</span> <span word="the">the</span> <span word="United">United</span> <span word="States">States</span>, <span word="Britain">Britain</span>, <span word="Japan">Japan</span> <span word="and">and</span> <span word="China">China</span>.</p><p><span word="The">The</span> <span word="research">research</span> <span word="was">was</span> <span word="authorized">authorized</span> <span word="by">by</span> <span word="the">the</span> <span word="Chinese">Chinese</span> <span word="government">government</span>, <span word="Turvey">Turvey</span> <span word="said">said</span>.</p><p><span word="The">The</span> <span word="last">last</span> <span word="confirmed">confirmed</span> <span word="baiji">baiji</span> <span word="sighting">sighting</span> <span word="was">was</span> <span word="in">in</span> 2002, <span word="although">although</span> <span word="there">there</span> <span word="have">have</span> <span word="been">been</span> <span word="a">a</span> <span word="handful">handful</span> <span word="of">of</span> <span word="unconfirmed">unconfirmed</span> <span word="sightings">sightings</span> <span word="since">since</span> <span word="then">then</span>, <span word="he">he</span> <span word="said">said</span>.</p><p><span word="The">The</span> <span word="last">last</span> <span word="baiji">baiji</span> <span word="in">in</span> <span word="captivity">captivity</span> <span word="died">died</span> <span word="in">in</span> 2002, <span word="Turvey">Turvey</span> <span word="said">said</span>.</p><p><span word="During">During</span> <span word="the">the</span> <span word="search">search</span>, <span word="the">the</span> <span word="team">team</span> <span word="carried">carried</span> <span word="out">out</span> <span word="both">both</span> <span word="visual">visual</span> <span word="and">and</span> <span word="acoustic">acoustic</span> <span word="surveys">surveys</span> <span word="and">and</span> <span word="used">used</span> <span word="two">two</span> <span word="boats">boats</span> <span word="to">to</span> <span word="twice">twice</span> <span word="cover">cover</span> <span word="a">a</span> 1,669-<span word="km">km</span> <span word="stretch">stretch</span> <span word="of">of</span> <span word="the">the</span> <span word="river">river</span> <span word="from">from</span> <span word="the">the</span> <span word="city">city</span> <span word="of">of</span> <span word="Yichang">Yichang</span>, <span word="just">just</span> <span word="downstream">downstream</span> <span word="from">from</span> <span word="the">the</span> <span word="Three">Three</span> <span word="Gorges">Gorges</span> <span word="dam">dam</span>, <span word="to">to</span> <span word="Shanghai">Shanghai</span>.</p>
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