There is international pressure to increase the worldwide expanse of marine protected areas (MPAs). However, MPAs often lack preexisting long-term biological baselines, which are essential for assessing MPA effects and for refining the conservation and socioeconomic benefits they confer to society. Our study addresses this issue by establishing demographic baselines for two commercially important species prior to a proposed fishing ban inside the Northeast Canyons and Seamounts Marine National Monument, a recently established MPA on the continental shelf break approximately 200 km southeast of Cape Cod, Massachusetts.

中文翻译：

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美国东北峡谷和海山海洋国家保护区内外的美国龙虾和乔纳蟹种群

国际社会面临着扩大海洋保护区（MPA）范围的压力。然而，海洋保护区往往缺乏预先存在的长期生物基线，而这些基线对于评估海洋保护区的影响以及完善海洋保护区为社会带来的保护和社会经济效益至关重要。我们的研究解决了这个问题，方法是在东北峡谷和海山海洋国家保护区（马萨诸塞州科德角东南约 200 公里的大陆架断口上最近建立的海洋保护区）拟定禁渔令之前，为两个具有重要商业价值的物种建立人口统计基线。