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Marine Biodiversity in the Caribbean: Regional Estimates and Distribution Patterns

Artículo científico
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156- Miloslavich et al. 2010 PLoS ONE. 5_8_ e11916.pdf (1.168Mb)
Date
2010
Author
Miloslavich de Klein, Patricia
Díaz Merlano, Juan Manuel
Klein Salas, Eduardo
Alvarado Barrientos, Juan José
Díaz, Cristina
Gobin, Judith F.
Escobar Briones, Elva
Cruz Motta, Juan José
Weil, Ernesto
Cortés Núñez, Jorge
Bastidas, Carolina
Robertson, Ross
Zapata, Fernando A.
Martín Zazo, Alberto
Castillo, Julio
Kazandjian, Aniuska
Ortíz, Manuel
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Abstract
This paper provides an analysis of the distribution patterns of marine biodiversity and summarizes the major activities of the Census of Marine Life program in the Caribbean region. The coastal Caribbean region is a large marine ecosystem (LME) characterized by coral reefs, mangroves, and seagrasses, but including other environments, such as sandy beaches and rocky shores. These tropical ecosystems incorporate a high diversity of associated flora and fauna, and the nations that border the Caribbean collectively encompass a major global marine biodiversity hot spot. We analyze the state of knowledge of marine biodiversity based on the geographic distribution of georeferenced species records and regional taxonomic lists. A total of 12,046 marine species are reported in this paper for the Caribbean region. These include representatives from 31 animal phyla, two plant phyla, one group of Chromista, and three groups of Protoctista. Sampling effort has been greatest in shallow, nearshore waters, where there is relatively good coverage of species records; offshore and deep environments have been less studied. Additionally, we found that the currently accepted classification of marine ecoregions of the Caribbean did not apply for the benthic distributions of five relatively well known taxonomic groups. Coastal species richness tends to concentrate along the Antillean arc (Cuba to the southernmost Antilles) and the northern coast of South America (Venezuela-Colombia), while no pattern can be observed in the deep sea with the available data. Several factors make it impossible to determine the extent to which these distribution patterns accurately reflect the true situation for marine biodiversity in general: (1) highly localized concentrations of collecting effort and a lack of collecting in many areas and ecosystems, (2) high variability among collecting methods, (3) limited taxonomic expertise for many groups, and (4) differing levels of activity in the study of different taxa.
URI
http://hdl.handle.net/10669/77112
External link to the item
10.1371/journal.pone.0011916
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0011916
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  • Oceanografía y áreas costeras [100]



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  • Repositorios universitarios

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