Marine wildlife experts are concerned about tourist operations that use bait to bring in sharks.

海洋生物专家对游客的垂钓活动引来鲨鱼群感到忧虑。

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People travel to the icy seas of northern Japan to watch the marine wildlife there, such as dolphins and eagles.

游客到日本北部冰海是为了观赏海洋生物，如海豚、海雕等。

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Heavy metals could leech into the water table or the sea, they say, where they could harm people, reefs and other Marine wildlife.

这些环保人士说，重金属可能会渗入地下水层或者海水里，给人类、珊瑚以及其他水生生物带来危害。

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But because of the spill, the Louisiana Department of Wildlife and Marine Fisheries and Louisiana State University were forced to move most of the oysters about 500 kilometers away.

VOA: standard.2010.07.13

Concerns have already been raised about the farm's visual impact and its effect on marine wildlife.

BBC: Navitus Bay wind farm 'to create 1,000 temp jobs'

Exploration of the seas around Ullapool has helped confirm the presence of some of Scotland's important marine wildlife features.

BBC: Exploration around Ullapool confirms important species

Old Paleo-Inuit archaeological sites are also common, and are usually ideal landing spots to see both terrestrial and marine wildlife.

BBC: Life in the fragile, frozen Arctic