Journal
MARINE ENVIRONMENTAL RESEARCH
Volume 174, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.marenvres.2022.105556
Keywords
Patellids; Epibiosis; Macrofouling; Ecosystem engineers; Biodiversity; Inter-specific competition; Recruitment; Population dynamics
Funding
- project Contributo para a Gestao Sustentada da Pequena Pesca e da Apanha (PESCAPANHA) - Fisheries Operational Programme (MAR 2020)
- European Maritime and Fisheries Fund (EMFF 2014-2020)
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Limpet shells can harbor a diverse range of species, with Patella ulyssiponensis showing the highest epibiont species diversity. Basibiont species is the key factor determining the epibiotic community.
Limpet shells can harbour a high diversity of species. Individuals of four limpet species (Patella depressa, Patella ulyssiponensis, Patella vulgata and Siphonaria pectinata) were collected monthly during one year in southern Portugal. Epibiont organisms were identified, counted and the percentage cover of facilitator taxa was also recorded. A total of 86 taxa were identified with abundance reaching 674 epibionts on a single basibiont shell. P. ulyssiponensis showed the highest epibiont species diversity and richness while P. depressa and P. vulgata showed similar diversity and richness. P. depressa had a more even epibiotic community mainly due to higher densities of Chthamalus sp. Overall, basibiont species was the key factor determining the epibiotic community, followed by month/season and erect algae. The presence of erect algae potentiated the epibionts diversity on limpet shells, whereas the occurrence of barnacles tended to decrease it and the presence of crustose algae had no significant effect on epibionts diversity. These findings shed further light on the biological and ecological complex relationships among keystone species inhabiting intertidal rocky shores.
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