Abundance and distribution of non-indigenous Calyptraeidae gastropods along north and central Atlantic shores of Portugal

IF 2.1 3区地球科学 Q2 OCEANOGRAPHY Continental Shelf Research Pub Date : 2023-10-31 DOI:10.1016/j.csr.2023.105138

Marcos Rubal , Jesús Fernández-Gutiérrez , Diego Carreira-Flores , Pedro T. Gomes , Puri Veiga

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Abstract

Two non-indigenous species of slipper limpets (Gastropoda: Calyptraeidae) have been recorded in NW Europe: Crepidula fornicata and Crepipatella dilatata. Although the former is widespread distributed in European Atlantic, records on Portuguese coasts are scarce. Regarding C. dilatata, it has been only reported in the southern Galician Rías (NW Spain). In this study, C. dilatata is reported for first time on Portugal and the distribution of these two species were studied in the North and Centre of Portugal. Moreover, abundance, distribution and structure of C. dilatata populations were compared between two intertidal habitats. Abundance and structure of C. dilatata populations showed no significant differences between habitats, suggesting that the species is well established in both. Regarding size-frequencies, bigger individuals were more frequent in soft bottoms. The recent development of oyster aquaculture in Portugal and the variety of substrates in which these NIS have been found could facilitate future introductions in nearby locations.

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葡萄牙大西洋北部和中部沿岸非本地盘足科腹足类的丰度和分布

在欧洲西北部发现了两种非本地的拖鞋帽贝(腹足纲:帽贝科):fornicata Crepidula和dilatata Crepipatella。虽然前者广泛分布在欧洲大西洋，但在葡萄牙海岸的记录很少。关于C. dilatata，仅在加利西亚南部Rías(西班牙西北部)有报道。本文首次在葡萄牙报道了这两种植物的分布，并对其在葡萄牙北部和中部的分布进行了研究。此外，还比较了两个潮间带生境间大叶蝉种群的丰度、分布和结构。不同生境间的种群丰度和结构差异不显著，表明该物种在两种生境均已建立。就体型频率而言，体型较大的个体更常出现在软底。葡萄牙牡蛎养殖业最近的发展以及发现这些NIS的各种基质可以促进今后在附近地区的引进。

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来源期刊

Continental Shelf Research 地学-海洋学

CiteScore

4.30

自引率

4.30%

发文量

136

审稿时长

6.1 months

期刊介绍： Continental Shelf Research publishes articles dealing with the biological, chemical, geological and physical oceanography of the shallow marine environment, from coastal and estuarine waters out to the shelf break. The continental shelf is a critical environment within the land-ocean continuum, and many processes, functions and problems in the continental shelf are driven by terrestrial inputs transported through the rivers and estuaries to the coastal and continental shelf areas. Manuscripts that deal with these topics must make a clear link to the continental shelf. Examples of research areas include: Physical sedimentology and geomorphology Geochemistry of the coastal ocean (inorganic and organic) Marine environment and anthropogenic effects Interaction of physical dynamics with natural and manmade shoreline features Benthic, phytoplankton and zooplankton ecology Coastal water and sediment quality, and ecosystem health Benthic-pelagic coupling (physical and biogeochemical) Interactions between physical dynamics (waves, currents, mixing, etc.) and biogeochemical cycles Estuarine, coastal and shelf sea modelling and process studies.