Effects of stalked barnacle harvest on a rocky shore intertidal community

IF 1.8 3区生物学 Q3 ECOLOGY

Journal of Experimental Marine Biology and Ecology Pub Date : 2023-11-06 DOI:10.1016/j.jembe.2023.151962

Katja J. Geiger , Julio Arrontes , Antonella Rivera , Consolación Fernández , Jorge Álvarez , José Luis Acuña

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引用次数: 0

Abstract

A two-year experiment investigated the effects of Pollicipes pollicipes (Gmelin, 1791) harvest on intertidal community structure and ecological diversity, as well as the recovery potential of P. pollicipes aggregations. The experiment was conducted at three locations along the West Asturian coast (Northern Spain) from July 2017 to July 2019. More intense exploitation resulted in reduced P. pollicipes and Mytilus spp. coverage, while Chthamalus spp. and Corallina spp. increased during the two years. Initially, the extraction of P. pollicipes lowered the ecological diversity of space occupying species, but this increased over time due to succession. While the recovery of exploited P. pollicipes aggregations was highly variable and slow, their coverage increased by up to 80% under caged non-extracted conditions in two years, leading to decreased diversity of primary space occupiers. Based on our findings, we suggest implementing two-yearly harvest bans to promote sustainability of this fishery.

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带柄藤壶对岩岸潮间带群落的影响

一项为期两年的试验研究了采收对潮间带群落结构和生态多样性的影响，以及P. policipes群落的恢复潜力。该实验于2017年7月至2019年7月在西阿斯图里亚海岸(西班牙北部)的三个地点进行。随着开发强度的增加，政策贝和贻贝的覆盖面积减少，而Chthamalus和Corallina的覆盖面积增加。采掘初期，绿桫椤降低了占地物种的生态多样性，但随着时间的推移，由于演替的关系，生态多样性有所增加。在未提取的条件下，2年内其盖度增加了80%，导致主要空间占用者的多样性下降。根据我们的研究结果，我们建议实施两年一次的捕捞禁令，以促进这种渔业的可持续性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Experimental Marine Biology and Ecology 生物-海洋与淡水生物学

CiteScore

4.30

自引率

0.00%

发文量

审稿时长

14 weeks

期刊介绍： The Journal of Experimental Marine Biology and Ecology provides a forum for experimental ecological research on marine organisms in relation to their environment. Topic areas include studies that focus on biochemistry, physiology, behavior, genetics, and ecological theory. The main emphasis of the Journal lies in hypothesis driven experimental work, both from the laboratory and the field. Natural experiments or descriptive studies that elucidate fundamental ecological processes are welcome. Submissions should have a broad ecological framework beyond the specific study organism or geographic region. Short communications that highlight emerging issues and exciting discoveries within five printed pages will receive a rapid turnaround. Papers describing important new analytical, computational, experimental and theoretical techniques and methods are encouraged and will be highlighted as Methodological Advances. We welcome proposals for Review Papers synthesizing a specific field within marine ecology. Finally, the journal aims to publish Special Issues at regular intervals synthesizing a particular field of marine science. All printed papers undergo a peer review process before being accepted and will receive a first decision within three months.