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首页> 外文期刊>Fisheries Research >Coastal man-made habitats: potential nurseries for an exploited fish species, Diplodus sargus (Linnaeus, 1758).
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Coastal man-made habitats: potential nurseries for an exploited fish species, Diplodus sargus (Linnaeus, 1758).

机译：沿海人工生境：潜在的育苗鱼类Diplodus sargus的苗圃（Linnaeus，1758年）。

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摘要

Human pressure on seashores has induced the installation of many seawalls. Artificial coastal defence structures may be providential for the juveniles of fish species exploited by artisanal fisheries. Focusing on Diplodus sargus, the number of settling juveniles was estimated on artificial structures and on natural rocky shores. The aim is to know if these artificial areas can have a nursery function. Densities of juveniles are from 30 to 109 times greater than those in natural habitats. Artificial coastal defence structures can be regarded as artificial nurseries. However, in the studied case, they also cause the loss of the nursery function of the nearby lagoon. The artificial seawalls at the entrance to the lagoon receive almost all the larvae that would normally enter the lagoon. This study underlines the important role of these artificial habitats in the life cycle of white seabream. They may have a positive impact on maintaining other species exploited by artisanal fisheries.
机译：人类对海岸的压力导致许多海堤的安装。人工沿海防御结构可能为手工渔业开发的鱼类物种的幼稚提供了条件。着眼于梁龙（Diplodus sargus），估计了人工结构和天然石质海岸上的定居少年数量。目的是了解这些人工区域是否可以具有育儿功能。幼鱼的密度是自然栖息地的30到109倍。人工沿海防御结构可以被视为人工苗圃。但是，在所研究的情况下，它们也导致附近泻湖的育苗功能丧失。泻湖入口处的人工海堤几乎容纳了通常会进入泻湖的所有幼体。这项研究强调了这些人工栖息地在白鲷生命周期中的重要作用。它们可能对维持手工渔业开发的其他物种产生积极影响。

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