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Abstract:

This paper provides updated taxonomic knowledge about hydrozoan species and provides ecological information including geographical and bathymetric distributions and biological substrata for the various hydroid assemblages from the Sub-Antarctic Biogeographical Region, mainly Buenos Aires and the Uruguayan coasts. Five of the 41 species found are new records for the study region. Thirty-one species (75.65%), all found at depths of less than 80 m, have cosmopolitan distributions. Biodiversity decreased markedly below 80 m depth, where nine species (≈22%) distributed in the Southern hemisphere and one endemic species (2.4%) were found. Most species were non-specific epizoites, occurring on diverse substrata. A non-parametric multivariate similarity analysis revealed nine species groups that were correlated with large-scale and local oceanographic patterns and with the availability of suitable substrata. The main hydroid substrata for eight of the groups were cnidarians, molluscs (mainly blue mussels), quartzite rocks and sponges. In a single group found in Patagonian scallop beds, the main biological substrata were polychaete tubes, other hydroids and scallops. © 2008 The Authors. Journal compilation © 2008 Blackwell Publishing Ltd.

Registro:

Documento: Artículo
Título:Hydroid assemblages from the Southwestern Atlantic Ocean (34 - 42°S)
Autor:Genzano, G.N.; Giberto, D.; Schejter, L.; Bremec, C.; Meretta, P.
Filiación:Departamento de Ciencias Marinas, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes 3350 Mar del Plata, Argentina
Instituto Nacional de Investigación y Desarrollo Pesquero (INIDEP), Mar del Plata, Argentina
Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
Idioma: Inglés
Palabras clave:Assemblages; Biogeography; Hydrozoa; Richness; South Western Atlantic; Sub-Antarctic; bathymetry; biodiversity; biogeography; endemic species; geographical distribution; new record; species richness; taxonomy; Atlantic Ocean; Atlantic Ocean (Southwest); Cnidaria; Hydroida; Hydrozoa; Mollusca; Mytilus edulis; Pectinidae; Polychaeta
Año:2009
Volumen:30
Número:1
Página de inicio:33
Página de fin:46
DOI: http://dx.doi.org/10.1111/j.1439-0485.2008.00247.x
Título revista:Marine Ecology
Título revista abreviado:Mar. Ecol.
ISSN:01739565
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01739565_v30_n1_p33_Genzano

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Citas:

---------- APA ----------
Genzano, G.N., Giberto, D., Schejter, L., Bremec, C. & Meretta, P. (2009) . Hydroid assemblages from the Southwestern Atlantic Ocean (34 - 42°S). Marine Ecology, 30(1), 33-46.
http://dx.doi.org/10.1111/j.1439-0485.2008.00247.x
---------- CHICAGO ----------
Genzano, G.N., Giberto, D., Schejter, L., Bremec, C., Meretta, P. "Hydroid assemblages from the Southwestern Atlantic Ocean (34 - 42°S)" . Marine Ecology 30, no. 1 (2009) : 33-46.
http://dx.doi.org/10.1111/j.1439-0485.2008.00247.x
---------- MLA ----------
Genzano, G.N., Giberto, D., Schejter, L., Bremec, C., Meretta, P. "Hydroid assemblages from the Southwestern Atlantic Ocean (34 - 42°S)" . Marine Ecology, vol. 30, no. 1, 2009, pp. 33-46.
http://dx.doi.org/10.1111/j.1439-0485.2008.00247.x
---------- VANCOUVER ----------
Genzano, G.N., Giberto, D., Schejter, L., Bremec, C., Meretta, P. Hydroid assemblages from the Southwestern Atlantic Ocean (34 - 42°S). Mar. Ecol. 2009;30(1):33-46.
http://dx.doi.org/10.1111/j.1439-0485.2008.00247.x