Effects of stalked barnacle harvest on a rocky shore intertidal community

被引：2

作者：

Geiger, Katja J. ^{[1
]}

Arrontes, Julio ^{[1
]}

Rivera, Antonella ^{[2
]}

Fernandez, Consolacion ^{[1
]}

Alvarez, Jorge ^{[1
]}

Acuna, Jose Luis ^{[1
]}

机构：

[1] Univ Oviedo, Dept Biol Organismos & Sistemas, Oviedo 33071, Spain

[2] Coral Reef Alliance, 1330 Broadway,Suite 600, Oakland, CA 94612 USA

来源：

JOURNAL OF EXPERIMENTAL MARINE BIOLOGY AND ECOLOGY | 2024年 / 570卷

关键词：

Pollicipes pollicipes; Intertidal community structure; Small-scale fisheries impacts; Succession; SMALL-SCALE FISHERIES; POLLICIPES-POLLICIPES; HUMAN-EXCLUSION; PEDUNCULATE BARNACLE; CENTRAL CHILE; DISTURBANCE; POPULATION; TRENDS; ZONE; PERSPECTIVES;

D O I：

10.1016/j.jembe.2023.151962

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

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.

引用

页数：12

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