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2011年1月13日星期四

怪異而重要的魚類沿湖畔的死亡

怪異而重要的魚類沿湖畔的死亡
Major, Bizarre Fish Die-Off Along Lakefront

January 11, 2011 12:51 AM
Translation by Autumnson Blog

A Man Walks Along The Lake Michigan Shore. (Tim Boyle/Getty Images)
一名男子沿密歇根湖岸步行。 (添博伊爾 / Getty圖像)

CHICAGO (STMW) – A bizarre scene is evolving on the Chicago lakefront, with Canada geese and mallard ducks gulping down dead or dying gizzard shad.
芝加哥(STMW) -一個奇怪的景象在芝加哥湖畔發展,有加拿大鵝及綠頭鴨囫圇吞棗地吃死去或垂死的肫西鯡魚。

A major die-off of what appears to be the 2010 class is happening in Chicago harbors. Thousands, perhaps far more than that, of dead gizzard shad in the 3- to 5-inch range are frozen in the ice of Chicago harbors or floating around in open patches of water.
一個主要的死亡似乎是2010年類的發生在芝加哥港口,成千上萬 - 也許遠遠多於此 - 3-5吋範圍內的死肫西鯡魚被凍結在冰芝加哥港口或漂浮在未凍結的水中。

“Gizzard shad are pretty sensitive,’’ Lake Michigan Program biologist Dan Makauskas said. “On the toughness scale, the herrings are pretty soft.’’
“肫西鯡魚是相當敏感的,"密歇根湖計劃生物學家丹Makauskas說。 “在韌性規模,鯡魚是頗軟的。''
Gizzard shad, members of the herring family, are more sensitive to drops in oxygen levels than most fish. And thick ice came early to Chicago harbors in December.
肫西鯡魚是鯡魚的家庭成員,是比多數魚類對滴在氧氣含量更敏感的,和厚冰早早在12月來到芝加哥港口。
The massive die-off was first documented Thursday by Carl Vizzone, a North Side fisherman who sits on the board of Perch America. What caught his eye was Canada geese and mallards eating dying shad at open water by DuSable and Diversey harbors. “This is not normal,’’ he said.
大量的死亡首先在週四由卡爾 Vizzone記載,一位北部邊陲的漁民坐在美洲鱸魚的董事會。吸引他眼睛是加拿大鵝和綠頭鴨在DuSable和戴弗西港口的開放水域吃死鯡魚。 “這是不正常的,"他說。
He’s right, agreed naturalist Joel Greenberg, author of A Natural History of the Chicago Region. Canada geese and mallards normally don’t eat fish, but, Greenberg said, “They are opportunistic.”
他是對的,博物學家喬爾格林伯格同意,他是芝加哥地區自然史的作家。加拿大鵝和綠頭鴨一般不吃魚,但格林伯格說:“他們是機會主義者。“
Other species of fish do not appear to be involved in the die-off.
其它種類的魚似乎沒有涉及暴斃。
Makauskas, who speculated that the young shad may not have built up enough reserves to survive the early onslaught of extreme cold, agreed the die-off is abnormal.

http://chicago.cbslocal.com/2011/01/11/major-bizarre-fish-die-off-along-lakefront/

但下面兩段視頻否定上述消息:
Lake Michigan Fish Die-Off *** HOAX *** No Dead Fish Found Near Chicago
密歇根湖魚暴斃***騙局***芝加哥附近沒有發現死魚

西元2011年01月11日

Searching For The "Massive Fish Die-Off" In Lake Michigan - Where Are The Dead Fish?
在密歇根湖尋找“大型魚暴斃“- 死魚在哪裡?

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