Marine fish stocks are an important part of the world food system and are particularly important for many of the poorest people of the world. Most existing analyses suggest overfishing is increasing, and there is widespread concern that fish stocks are decreasing throughout most of the world. We assembled trends in abundance and harvest rate of stocks that are scientifically assessed, constituting half of the reported global marine fish catch. For these stocks, on average, abundance is increasing and is at proposed target levels. Compared with regions that are intensively managed, regions with less-developed fisheries management have, on average, 3-fold greater harvest rates and half the abundance as assessed stocks. Available evidence suggests that the regions without assessments of abundance have little fisheries management, and stocks are in poor shape. Increased application of area-appropriate fisheries science recommendations and management tools are still needed for sustaining fisheries in places where they are lacking.

中文翻译：

---

有效的渔业管理有助于改善鱼类资源状况。

海水鱼类种群是世界粮食系统的重要组成部分，对世界上许多最贫穷的人尤其重要。现有的大多数分析表明，过度捕捞正在增加，并且全世界大部分地区的鱼类种群都在减少。我们汇总了经过科学评估的种群的丰度和收获率趋势，占报告的全球海洋鱼类捕捞量的一半。对于这些库存，平均而言，丰度正在增加，并处于建议的目标水平。与集约化管理的区域相比，渔业管理欠发达的区域的平均收成率平均高出三倍，丰度为评估种群的一半。现有证据表明，没有进行丰度评估的地区几乎没有渔业管理，库存状况不佳。为了在缺乏渔业的地方维持渔业，仍然需要增加适用于该地区的渔业科学建议和管理工具的应用。