NARMS source details

Freeman, C.J.: Gleason, D.F.; Ruzicka, R.; van Soest R.W.M.; Harvey, A.W.; McFall G. (2007). A biogeographic comparison of sponge fauna from Gray's Reef National Marine Sanctuary and other hard-bottom reefs of coastal Georgia, U.S.A. pp 319-325 In: Custódio MR, Lôbo-Hajdu G, Hajdu E, Muricy G (eds) Porifera Research. Biodiversity, Innovation and Sustainability. Livros de Museu Nacional 28, Rio de Janeiro.
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Freeman, C.J.: Gleason, D.F.; Ruzicka, R.; van Soest R.W.M.; Harvey, A.W.; McFall G.
2007
A biogeographic comparison of sponge fauna from Gray's Reef National Marine Sanctuary and other hard-bottom reefs of coastal Georgia, U.S.A. pp 319-325 <i>In</i>: Cust�dio MR, L�bo-Hajdu G, Hajdu E, Muricy G (eds) Porifera Research. Biodiversity, Innovation and Sustainability. Livros de Museu Nacional 28, Rio de Janeiro
Publication
Proceedings of the 7th International Sponge Conference
Available for editors  PDF available
Gray’s Reef National Marine Sanctuary and other hard-bottom habitats off the coast of Georgia in the south-eastern USA provide habitat for a diverse assemblage of tropical and temperate benthic organisms. These limestone, sandstone, or relic scallop shell reefs are characterized by hard-bottom ledges and escarpments of moderate relief (1-2 m above the bottom) and raised, sandy plateaus in 13 to 30 m of water. The objectives of this investigation were to 1) provide the first comprehensive list of sponge species found at these north-western Atlantic sites as well as an indication of growth forms and patterns and general habitats and 2) assess whether the sponge fauna of Georgia reefs supports the hypothesis that the Carolinian province represents a transition between temperate and tropical regions. To date, we have found 52 species of sponges, two of which are thought to be undescribed species and 15 of which are new records for the area, from eight reef habitats in this region. Published distributional records indicated that nine of the 48 taxa we could identify to species were previously reported exclusively from tropical habitats, eight only from temperate areas, and 31 from both temperate and tropical locations. This equal mix of temperate and tropical sponge species supports the contention that this area represents a biogeographic transition zone for faunas from disparate oceanic regions. In addition to supporting a biogeographically diverse sponge fauna, the ledge, plateau, and cryptic habitats off Georgia provide the topographic complexity to sustain a variety of growth forms.
Western Atlantic warm temperate to boreal
Fauna and Flora, Faunistic inventories, Checklists, Catalogues
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2017-08-24 06:21:40Z
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2018-06-25 07:02:08Z
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