Journal article
Spatial heterogeneity of epibenthos on artificial reefs: fouling communities in the early stages of colonization on an East Australian shipwreck
Marine Ecology, Vol.28(4), pp.435-445
2007
Abstract
Artificial reefs are spatially complex habitats and serve as good model systems to study patterns of community succession and the response of epibiota to environmental clines over small spatial scales. Here, we quantified spatial heterogeneity in community composition and diversity of fouling communities across a number of environmental gradients that included water depth, surface orientation of habitats, exposure to currents, and shelter. Assemblage structure was quantified by spatially replicated photo transects on a recently scuttled large navy ship off the East Australian coast, lying in 27 m of water. A rich assemblage of epifauna had colonized the wreck within a year, dominated by barnacles, sponges and bryozoans. Community structure varied significantly over small spatial scales of meters to tens of meters. Depth, surface orientation and exposure were the major environmental drivers. Assemblages were substantially less diverse and abundant on the deepest (23 m near the seafloor) part of the hull with residual antifouling paint, on sheltered surfaces inside the wreck, and on the sediment-laden horizontal surfaces. Overall, the wrecks' habitat complexity corresponds with small-scale heterogeneity in the fouling communities. This study supports the notion that wrecks enhance local diversity and biomass within the habitat mosaic of their location, and habitat complexity may be an important mechanism for this, as demonstrated by the large spatial variability in the assemblages documented here.
Details
- Title
- Spatial heterogeneity of epibenthos on artificial reefs: fouling communities in the early stages of colonization on an East Australian shipwreck
- Authors
- Simon J Walker (Author) - University of the Sunshine Coast - Faculty of Science, Health and EducationThomas Schlacher (Author) - University of the Sunshine Coast - Faculty of Science, Health and EducationMonica A Schlacher-Hoenlinger (Author) - University of the Sunshine Coast - Faculty of Science, Health and Education
- Publication details
- Marine Ecology, Vol.28(4), pp.435-445
- Publisher
- Wiley-Blackwell Verlag GmbH
- Date published
- 2007
- DOI
- 10.1111/j.1439-0485.2007.00193.x
- ISSN
- 0173-9565
- Organisation Unit
- School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering
- Language
- English
- Record Identifier
- 99449380402621
- Output Type
- Journal article
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- Marine & Freshwater Biology
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