鲟鱼捕捞在这个河口一直很好。
过度捕捞会严重破坏珊瑚。
工业捕捞和气候变化对某些南极物种来说可能是致命的。
Industrial fishing and climate change could be fatal to certain Antarctic species.
由于人类的过度捕捞，这些鱼和蜗牛的数量已经有所下降了。
These fish and snails have themselves experienced a decline in population because of overfishing by humans.
另一个问题是Biramichi 渔业合作社的成员过度捕捞。
Another problem is that the members of the Biramichi fishing cooperative are overfishing.
沿海假说提出了一种以捕猎海洋哺乳动物、收集捕捞咸水鱼和使用船只为基础的经济模式。
The coastal hypothesis suggests an economy based on marine mammal hunting, saltwater fishing gathering, and the use of watercraft.
1940年至1959年间，过度捕捞导致鲑鱼数量锐减，以致于1953年阿拉斯加被指定为联邦灾区。
Between 1940 and 1959, overfishing led to crashes in salmon populations so severe that in 1953 Alaska was declared a federal disaster area.
由于只有少数几个潜水员进行捕捞，而且他们会注意不造成过度捕捞的现象，所以潜水员的持续活动显然不会对公主鱼种群造成严重危害。
Since the divers limit their catch to a few individuals and take care not to overfish, the divers' continuing activities will clearly not result in serious harm to populations of princessfish.
人类最早在4500年前定居在北极，靠捕捞海洋哺乳动物和鱼类生存。
Humans first settled in the Arctic a mere 4,500 years ago, surviving by exploiting sea mammals and fish.
还有人认为，捕捞棘冠海星的脊椎动物和无脊椎动物捕食者可以降低死亡率、增加成年个体的数量。
Others have suggested that the harvesting of vertebrate and invertebrate predators of Acanthaster could have reduced mortality and caused increased abundance of adults.
显然，过度捕捞已经使这里的鳕鱼不复存在了。而曾经很强大的纽芬兰船队现在在海底疯狂地搜寻螃蟹。
It had, apparently, been fished out of existence; and the once mighty Newfoundland fleet now gropes about frantically for crab on the seafloor.
这意味着更多的海洋生物正在被捕捞，所以现在和过去之间的真正差异可能比捕捞量变化所记录的更糟糕。
That means a higher proportion of what is in the sea is being caught, so the real difference between present and past is likely to be worse than the one recorded by changes in catch sizes.
渔民们知道一年中允许捕捞的大概时间段，但是在某些日子，一个地区可能有一个或多个实地生物学家中止捕鱼活动。
The fishermen know the approximate time of year when they will be allowed to fish, but on any given day, one or more field biologists in a particular area can put a halt to fishing.
在苏格兰，野生鲑鱼的数量已经减少，这是由于不受控制的深海和沿海捕捞、污染，以及对鲑鱼栖息地的各种其他威胁。
In Scotland, the number of wild salmon have been reduced because of uncontrolled deep-sea and coastal netting, by pollution, and by various other threats to the fish's habitat.
阿拉斯加的鲑鱼捕捞季并不是预先确定好的。
深海鲨鱼通常在公海中被金枪鱼或旗鱼的捕捞渔业捕获。
Pelagic sharks are usually caught on the high seas in tuna or swordfish fisheries.
位于美国东海岸，大型掠食性鲨鱼也被过度捕捞，牛鼻鳐的数量爆炸式增长。
On the East Coast of the U.S., where large predatory sharks have also been overfished, cownose ray populations have exploded.
位于美国东海岸，大型掠食性鲨鱼也被过度捕捞，牛鼻鳐的数量爆炸式增长。
On the East Coast of the U.S., where large predatory sharks have also been overfished, cownose ray populations have exploded.
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