Abstract:
:Artificial reefs have been suggested as a tool for conservation and restoration of marine habitats. However, the relationships between coral reef habitats and man-made structures are poorly understood. We experimentally tested whether artificial reefs change grazing patterns in their surrounding environment. We exposed heaps of the macroalgae, Ulva lactuca, to natural grazing, at various distances from three artificial reefs. Results suggest that artificial reefs change grazing patterns in the neighboring area. In all the locations examined grazing was 2-3 times higher near the artificial reefs than in control sites (p < 0.05). We suggest that herbivorous fishes are attracted to the artificial reefs, creating a zone of increased grazing. Therefore, while planning deployment of such artificial reefs it is necessary to consider their overall influence on their natural surroundings, in order to maintain the natural community trophic dynamics.
journal_name
Mar Environ Resjournal_title
Marine environmental researchauthors
Einbinder S,Perelberg A,Ben-Shaprut O,Foucart MH,Shashar Ndoi
10.1016/j.marenvres.2005.07.001keywords:
subject
Has Abstractpub_date
2006-02-01 00:00:00pages
110-9issue
1eissn
0141-1136issn
1879-0291pii
S0141-1136(05)00058-9journal_volume
61pub_type
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