Distribuição das espécies de corais azooxantelados na plataforma e talude continental superior do sul do Brasil

Iheringia. Série Zoologia

Marcelo V. Kitahara²  Ricardo R. Capítoli¹  Norberto O. Horn Filho¹ 

[1] ,James Cook University ARC Centre of Excellence in Coral Reefs Studies and Coral Genomics Group Townsville QLD ,Austrália

关键词: South Atlanctic;    deep-sea;    latitudinal analysis;    bathymetric analysis;    grouping analysis;    Scleractinia;    Atlântico sul;    mar profundo;    análise latitudinal;    análise batimétrica;    análise de agrupamento;    Scleractinia;   

DOI  :  10.1590/S0073-47212009000300001

来源: SciELO

【 摘 要 】

Amongst organisms reported in deep waters (> 100 m) from southern Brazil, the azooxanthellate scleractinians are of particular importance due to their capacity to form habitats which attract many species of invertebrates and vertebrates. Through statistical analysis of distribution, identification of specimens deposited in scientific collections, and revision of all preterite records of azooxanthellate scleractinians from southern and part of southeastern coast of Brazil, was noted that the coordinates covered by the present study represent an transitional distributional area between the Caribbean and marginal Antarctic fauna, especially for the solitary species. From a vertical distribution analysis, an increase in the number of species in the sector between the external continental shelve and 500 m depth was observed. A grouping analysis was performed, allowing the discrimination of 6 association biotopes of corals. Thus, we present the first attempt to understand the distribution of this fauna from the continental shelf and continental slope of southern Brazil, between 24°S and 34°S.

【 授权许可】

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