The analysis of fish spillover from marine protected areas (MPA) is often based on data collected after the implementation of protection. In the present study we used a methodology based on the combination of Vessel Monitoring System (VMS) and landings data before and after the establishment of protection for spillover analysis. We defined areas of similar size to the protected zone in order to compare them over time. In addition to the no-take zone effectiveness, using this methodology, we were also able to analyze the spatiotemporal behavior of the hake population. Our results on the hake distribution were consistent with those of previous studies. The juveniles were concentrated on the continental shelf (0 - 200 m), whereas the adults were found over the shelf and the slope (300 - 500 m). We found evidence suggesting a positive spillover effect for the juveniles on the continental shelf, enhancing its fishing yields. The analysis of longer time series on the performance of the protected area combined with field sampling inside the no-take zone would lead us to confirm effective spillover effect contributing to fisheries’ long-term sustainability in this zone.

对海洋保护区鱼类溢出的分析通常基于保护实施后收集的数据。在本研究中，我们使用了基于船舶监控系统（VMS）和着陆数据建立溢流分析保护前后的结合的方法。我们定义了与保护区相似大小的区域，以便随时间进行比较。除了禁区的有效性外，使用这种方法，我们还能够分析无须鳕种群的时空行为。我们在无鳕分布上的结果与以前的研究一致。幼鱼集中在大陆架（0-200 m）上，而成年鸟则在架子和斜坡（300-500 m）上发现。我们发现有证据表明，这些幼鱼对大陆架有积极的溢出效应，从而提高了其捕捞产量。对保护区性能的较长时间序列进行分析，并结合禁区内的田间采样，将使我们确认有效的溢出效应，有助于该区渔业的长期可持续性。