The key to survival may be a blanket fishing moratorium.

江豚生存的关键可能是综合性的休渔期（覆盖所有鱼类）。

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Meanwhile, influential researchers are calling for a lengthy fishing moratorium for the entire Yangtze.

同时，具有影响力的研究人员正在呼吁在整个长江流域实行长期的禁渔期。

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The catastrophe forced a halt to commercial fishing in the area and a moratorium on drilling.

灾难迫使当地的商业捕捞停止，近海石油钻探也被暂停。

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The cod and haddock are much smaller than they used to be - a five-year-old haddock on average weighs half as much as in the boom years before the fishing moratorium was imposed nearly 20 years ago.

BBC: Nature's spring: Cod bounce back

There is, of course, an irony that, while fishing authorities in Brussels openly declare their support for a moratorium on bluefin fishing in the Mediterranean, their rules continue to allow tuna to be caught by boats which were constructed with the help of public subsidies and processed in factories built, similarly, with EU financial aid.

BBC: The bitter battle over bluefin tuna

In addition to calling for a 50 percent reduction in the capacity of the industrial fishing fleet, Greenpeace seeks the elimination of government subsidies and a moratorium on the construction of large fishing vessels.

CNN: Greenpeace: Industrial fishing fleet should be halved