它已经妨碍了牡蛎的收成和邓杰尼斯捕蟹业的发展，还影响了海滩和海滨的娱乐用途。
It is already hampering the oyster harvest and the Dungeness crab fishery, and it interferes with the recreational use of beaches and waterfronts.
培训要求：不需要有正式的捕蟹执照。
阿拉斯加捕蟹渔民的死亡率是普通工作者的80倍。
The fatality rate among Alaskan crab fishers is about 80 times that of your average worker.
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