你们敢来中国吗 小龙虾占领苏格兰
<p><span word="Forget">Forget</span> <span word="Nessie">Nessie</span>: <span word="there">there</span>'<span word="s">s</span> <span word="another">another</span> <span word="insidious">insidious</span> <span word="creature">creature</span> <span word="living">living</span> <span word="in">in</span> <span word="the">the</span> <span word="waters">waters</span> <span word="of">of</span> <span word="Scotland">Scotland</span>. <span word="The">The</span> <span word="story">story</span> <span word="starts">starts</span> <span word="in">in</span> <span word="the">the</span> <span word="streams">streams</span> <span word="and">and</span> <span word="lakes">lakes</span> <span word="of">of</span> <span word="the">the</span> <span word="northwestern">northwestern</span> <span word="United">United</span> <span word="States">States</span>, <span word="where">where</span> <span word="North">North</span> <span word="American">American</span> <span word="signal">signal</span> <span word="crayfish">crayfish</span> <span word="are">are</span> <span word="a">a</span> <span word="familiar">familiar</span> <span word="sight">sight</span>. <span word="Turn">Turn</span> <span word="over">over</span> <span word="a">a</span> <span word="rock">rock</span> <span word="and">and</span> <span word="you">you</span> <span word="may">may</span> <span word="well">well</span> <span word="encounter">encounter</span> <span word="one">one</span>. <span word="But">But</span> <span word="in">in</span> <span word="Scottish">Scottish</span> <span word="streams">streams</span> <span word="and">and</span> <span word="lochs">lochs</span>, <span word="these">these</span> <span word="creatures">creatures</span> <span word="are">are</span> <span word="intruders">intruders</span>. <span word="American">American</span> <span word="crayfish">crayfish</span> <span word="may">may</span> <span word="be">be</span> <span word="destroying">destroying</span> <span word="the">the</span> <span word="catch">catch</span>.</p><p>别去想什么尼斯湖水怪了，苏格兰的水域中潜伏着另一种有害生物。它们起源于美国西北部的溪流和湖泊，美国北部的人民对小龙虾已经见怪不怪了。翻开一块石头就能发现一只。然而在苏格兰，这种生物却是入侵者，美国小龙虾可能会毁掉苏格兰的生态。</p><p><span word="Allen">Allen</span> <span word="Pleus">Pleus</span>, <span word="with">with</span> <span word="the">the</span> <span word="Department">Department</span> <span word="of">of</span> <span word="Fish">Fish</span> <span word="and">and</span> <span word="Wildlife">Wildlife</span> <span word="in">in</span> <span word="Washington">Washington</span> <span word="State">State</span>, <span word="says">says</span> <span word="that">that</span> <span word="the">the</span> <span word="signal">signal</span> <span word="crayfish">crayfish</span> <span word="is">is</span> <span word="an">an</span> <span word="important">important</span> <span word="species">species</span> <span word="in">in</span> <span word="his">his</span> <span word="region">region</span>. <span word="It">It</span>'<span word="s">s</span> <span word="the">the</span> <span word="only">only</span> <span word="native">native</span> <span word="crayfish">crayfish</span> <span word="species">species</span>, <span word="and">and</span> <span word="the">the</span> <span word="freshwater">freshwater</span> <span word="crustaceans">crustaceans</span> <span word="are">are</span> <span word="are">are</span> <span word="just">just</span> <span word="another">another</span> <span word="part">part</span> <span word="of">of</span> <span word="the">the</span> <span word="ecosystem">ecosystem</span>. "<span word="They">They</span> <span word="play">play</span> <span word="well">well</span> <span word="with">with</span> <span word="others">others</span>," <span word="he">he</span> <span word="says">says</span>. "<span word="They">They</span>'<span word="ve">ve</span> <span word="learned">learned</span> <span word="to">to</span> <span word="be">be</span> <span word="good">good</span> <span word="neighbors">neighbors</span> <span word="with">with</span> <span word="the">the</span> <span word="other">other</span> <span word="native">native</span> <span word="species">species</span>." <span word="But">But</span> <span word="those">those</span> <span word="same">same</span> <span word="crayfish">crayfish</span> <span word="wreak">wreak</span> <span word="havoc">havoc</span> <span word="in">in</span> <span word="Scottish">Scottish</span> <span word="waters">waters</span>.</p><p>华盛顿鱼类和野生动物的艾伦·普鲁伊斯说小龙虾在本地是很重要的物种。这是唯一的本地小龙虾种，而淡水甲壳动物是生态系统的另一部分。“它们彼此相处得很好，和其他本地物种也相处融洽。”但是同种的小龙虾却在苏格兰肆虐。</p>
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