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Movement ecology of the white seabream Diplodus sargus across its life cycle: a review
Environmental Biology of Fishes ( IF 1.4 ) Pub Date : 2022-04-25 , DOI: 10.1007/s10641-022-01258-0
Vincenzo Maximiliano Giacalone 1 , Carlo Pipitone 2 , Fabio Badalamenti 2 , David Abecasis 3 , Giovanni D’Anna 4
Affiliation  

The white seabream Diplodus sargus (L., 1758) (Osteichthyes, Sparidae) is a littoral species living mainly in rocky habitats and distributed in the eastern Atlantic and the Mediterranean. This species is targeted by artisanal and recreational fisheries and presents a high commercial importance. Although classified by IUCN as a “least concern” species, it has been the object of marine ranching and restocking initiatives to counteract locally intense exploitation. Here, we review the current knowledge on the movement ecology of white seabream given the relevance of animal movement in ecological and behavioral studies and their potential application in management and conservation. The literature on this topic was analyzed in order to summarize the results of past research and to identify the gaps that still exist on the matter. We reviewed a total of 27 papers focusing on the movement ecology of white seabream, where acoustic telemetry (n = 12), underwater visual observation and traditional tagging (n = 6), genetic analysis (n = 6), and otolith microchemistry (n = 3) were used. While the first three methods were applied to juvenile and adult fish, the last one was also used with larvae, which have been the object of experimental trials to ascertain their swimming abilities. The largest amount of information on activity rhythms (diurnal with a few exceptions), movement patterns (short distances), homing (ability to come back to the capture site), site fidelity (high), and home range (< 200 ha on average and highly related with seabed morphology) were obtained through acoustic telemetry, whose main limitation is the minimum body size required for its application. The environmental variables found to affect movement patterns in this species are water temperature (which triggers spawning-based vertical movements), local sea conditions (which affect short-scale movements in juveniles), and the main seabed features (orientation and habitat type). The main gaps identified, which need more extensive research and some technological improvements, include the study of the effects of environmental variables on fish movements and further investigations on the movement patterns of juveniles.



中文翻译:

白鲷全生命周期的运动生态学:回顾

白鲷Diplodus sargus(L., 1758) (Osteichthyes, Sparidae) 是一种沿海物种,主要生活在岩石栖息地,分布在东大西洋和地中海。该物种是手工和休闲渔业的目标,具有很高的商业重要性。尽管 IUCN 将其归类为“最不关心”的物种,但它一直是海洋牧场和补充资源计划的对象,以抵消当地的密集开采。在这里,鉴于动物运动在生态和行为研究中的相关性及其在管理和保护中的潜在应用,我们回顾了当前关于白鲷运动生态学的知识。对有关该主题的文献进行了分析,以总结过去研究的结果并确定在该问题上仍然存在的差距。n  = 12)、水下视觉观察和传统标记(n  = 6)、遗传分析(n  = 6)和耳石微化学(n = 3) 被使用。虽然前三种方法适用于幼鱼和成鱼,但最后一种方法也用于幼鱼,幼鱼已成为确定其游泳能力的实验试验对象。关于活动节奏(除少数例外的昼夜)、运动模式(短距离)、归巢(返回捕获地点的能力)、场地保真度(高)和活动范围(平均 < 200 公顷)的最大信息量并且与海底形态高度相关)是通过声学遥测获得的,其主要限制是其应用所需的最小主体尺寸。发现影响该物种运动模式的环境变量是水温(触发基于产卵的垂直运动)、当地海况(影响幼体的短尺度运动)、和主要海底特征(方向和栖息地类型)。确定的主要差距需要更广泛的研究和一些技术改进,包括研究环境变量对鱼类运动的影响以及对幼鱼运动模式的进一步调查。

更新日期:2022-04-29
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