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- Title
Settlement plates as monitoring devices for non-indigenous species in marine fouling communities.
- Authors
Marraffini, Michelle L.; Ashton, Gail V.; Brown, Chris W.; Chang, Andrew L.; Ruiz, Greg M.
- Abstract
Non-indigenous species (NIS) are one of the leading forces of change in coastal marine ecosystems and are often associated with fouling communities, especially the artificial structures of marinas and ports. As a result, monitoring of marine fouling communities is crucial to evaluate the introduction and spread of NIS as well as assess the efficacy of legislation aimed to prevent further introductions. Settlement plates have long been used as a means of studying fouling communities. Many factors such as orientation, movement, and substrate type have been shown to influence the number and type of organisms present in fouling communities, but one key question remains poorly studied: how well do settlement plates represent the established fouling community of a marina, especially regarding NIS? We investigated this question, by examining the sessile invertebrates on both marina structures and settlement plates from three marinas in San Francisco Bay (California, USA). Total species richness, NIS richness, and community composition on settlement plates were found to be similar to those on existing marina floating docks. Our results indicate that settlement plates can provide a sensitive and standardized measure of the NIS richness and composition in fouling communities.
- Subjects
INTRODUCED species; MARINAS; ECOSYSTEMS; INVERTEBRATES; SPECIES diversity
- Publication
Management of Biological Invasions, 2017, Vol 8, Issue 4, p559
- ISSN
1989-8649
- Publication type
Article
- DOI
10.3391/mbi.2017.8.4.11