本帖最後由 felicity2010 於 2010-6-28 12:18 AM 編輯
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8 b% q/ W; D/ Y0 kTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。This is an environmental disaster much worse than that and it affects a great number of fish, not just the blue fin. The time of the spill was at the spawning season which usually from April to summer. The species also affected include whale shark, marlin, swordfish. Most of the larvae and eggs probably would not survive this incident. The federal agency Minerals Management Service has documents concerning the risk involved but it took no action in reducing this risk such as seasonal limitation on oil drilling especially during the spawning period. Obama had sacked the director and reorganized the organization under a new name, Ocean Energy Management, Regulation and Enforcement.Coupling with the relentless fishing, the impact on the fish stock is yet to be unfolded.
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Brown pelicans and other sea birds often dive into the oil because the slick makes the water look calmer. If they are coated in oil, they will be unable to regulate their temperatures, leading to hyperthermia.
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Plankton, tiny immobile organisms at the base of the food chain, can be killed by chemically dispersed oil.
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! e( {6 j; T* k4 JAll four species of sea turtles in the gulf are threatened or endangered. Some have already washed up ashore, and with numbers already low, it would be harder to rebuild the population.5.39.217.76% @& ^. v" t9 _9 g8 E
1 v0 ]. Q8 e1 U5 [5 t I5.39.217.76Dolphins, which often follow boats to play, have been following response crews, getting near the slicks.
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Shrimp and other shellfish are more vulnerable to oil and chemical dispersants because they are stationary,while some adult fin fish populations may be mobile.TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。0 V+ U' {" }3 `( y3 P1 _" a* h
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Fish larvae are most at risk. Blue fin tuna,now spawning near the spill, are of particular concern. The Gulf of Mexico is one of only two nurseries in the world for blue fin tuna.
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5 g! _9 d3 i, M4 QTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。Sperm whales, which spend most of their time diving for prey, may come up in the slick as they reach the surface to breathe. |
發表於 2010-6-27 11:27 AM
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