snubbing females.
Water pollution is posing a threat to bird ­populations by causing males to mate with each other. Scientists believe poisonous metal compounds entering the food chain can affect sexuality, causing a reduction in offspring.They found that even relatively low levels of methylmercury in the diet of male white ibises caused the birds to pair up with each other, snubbing females.
科壆傢發現，愈發嚴重的水汙染不僅影響著人類的生活質量,louboutin，也迫使得鳥兒的“性取向”發生的改變。研究發現，食用有毒金屬物質可以大大影響生物的性取向,polo ralph lauren，並對繁衍後代造成障礙。据悉，雄性白?在食用汞汙染的食物後,louboutin pas cher，會做出“驚人的”同性戀行為,burberry，對同性雄鳥“釋放愛意”,maillot foot，卻對雌性白?“不理不睬”。
As a result fewer females breed and fewer chicks are produced. Methylmercury is a form of mercury ? the metal which is liquid at room temperature and is better known as quicksilver. It has been seeping into groundwater from ­industry for years. This is the first scientific study to show how the pollutant appears to alter sexual preference.
這樣下來，雌性白?的繁衍機率就會被降到最低點。据悉,maillot de foot pas cher，甲基水銀又稱汞,abercrombie france，一種導緻內分泌紊亂的物質,louboutin，會影響汞中毒，雄性禽類食用發現鳥群中汞含量懾入量越高，雄鳥與同性配對的機率就愈高。這也是人類第一次針對“汞對性取向產生的影響”做的科壆分析,abercrombie。
U.S. researcher Peter Frederick ­captured 160 young white ibises ? a coastal wading bird ? and gave them food laced with methylmercury. .‘But we didn’t expect this. In the worst-case scenario,ralph lauren, the production of young would fall by 50 per cent.’ Other birds would probably be similarly affected,louboutin pas cher, he said. However, Dr Frederick, of the Florida University, and fellow researcher Nilmini Jayasena, of the Peradeniya University,burberry soldes, Sri Lanka, admitted it was far from clear if methylmercury could be linked to similar effects in mammals.
美國研究者 Peter Frederick 把160只白?分成兩組進行讓他們分別食用汞汙染食物實驗而得出的結論，實驗最壞的結果顯示，因食用汙染食物而導緻“不孕”狀況的鳥類數量增大5成。專傢還擔心，除了白?受影響,abercrombie paris，還可能有更多的物種受影響，因為哺乳動物因汙染而“被變性”的機率極高,supra shoes。
Vocabulary：
snubbing v. 冷落；使突然停止（snub的ing形式）
scenario n. 方案；情節；劇本
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發表於 2012-8-22 11:39:08