Resumo

SALAZAR-FORERO, Camila Esperanza; GAVIO, Brigitte  e  WYNNE, Michael J.. Macroalgae associated with aerial roots of Rhizophora mangle in Islas del Rosario, Colombia, Southwestern Caribbean. Caldasia [online]. 2021, vol.43, n.1, pp.94-104.  Epub 24-Mar-2021. ISSN 0366-5232.  https://doi.org/10.15446/caldasia.v43n1.85228.

The roots of the red mangrove, Rhizophora mangle, provide a nursery habitat for many species, due to the tridimensional structure they provide, which delimits an area difficult to access to large predators. Moreover, they provide a hard substrate for many benthonic species, which attach to the roots and contribute to the tridimensional structure of the ecosystem. Among these organisms, there are several macroalgae, which contribute to the primary productivity of the ecosystem and provide food and shelter to herbivores. In the present study we identified the macroalgae associated with the roots of Rhizophora mangle, in Cholón beach, Rosario Islands National Park, Caribbean Colombia. We report a total of 36 species of macroalgae: 21 Rhodophyta, eleven Chlorophyta, and four Phaeophyceae. Of these, 19 are new records for the islands, and six are new records for Colombia. This is the first study on the macroalgae associated with mangrove roots in the Colombian Caribbean, and it highlights both the high diversity of the marine flora of the Southwestern Caribbean, as well as the paucity of studies on the topic.

Palavras-chave : Bostrychia; Ceramium; diversity; epiphyte; Rhodophyta.

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