Bosques de coral negro del Área de Conservación Guanacaste, Costa Rica: especies y distribución

Introduction: Little is known about the antipatharians in Costa Rica, only three species are known from the Pacific and the occurrence of coral forests was previously reported only for Isla del Coco. Black coral forests were observed at several sites in the north Pacific of the country, within the G...

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Autores principales: Matamoros-Calderón, Wendolyn, Lara, Minor, Breedy, Odalisca
Formato: Online
Idioma:spa
Publicado: Universidad de Costa Rica 2021
Acceso en línea:https://revistas.ucr.ac.cr/index.php/rbt/article/view/48317
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collection Revista de Biología Tropical
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author Matamoros-Calderón, Wendolyn
Lara, Minor
Breedy, Odalisca
spellingShingle Matamoros-Calderón, Wendolyn
Lara, Minor
Breedy, Odalisca
Bosques de coral negro del Área de Conservación Guanacaste, Costa Rica: especies y distribución
author_facet Matamoros-Calderón, Wendolyn
Lara, Minor
Breedy, Odalisca
author_sort Matamoros-Calderón, Wendolyn
description Introduction: Little is known about the antipatharians in Costa Rica, only three species are known from the Pacific and the occurrence of coral forests was previously reported only for Isla del Coco. Black coral forests were observed at several sites in the north Pacific of the country, within the Guanacaste Conservation Area (ACG), which are reported and characterized in this study. Objective: To determine the species of black corals present in the ACG Marine Sector and its surroundings, and geographically locate the sites where black coral forests grow. Methods: Visual censuses were made by diving, samples were taken and analyzed in the laboratory for identification. Results: These black coral forests are composed of two species: Myriopathes panamensis and Antipathes galapagensis, these species are described and illustrated. The coral forests were found within and outside ACG marine protected areas. Myriopathes panamensis was found between 15-35 m depth and A. galapagensis at 30-45 m. Associated macrofauna was observed among the branches of M. panamensis, their ecological importance and status have not been determined. Conclusions: The species found did not have morphological variations with those described in other similar regions. Associated fauna was found (mainly the anemone Nemanthus californicus, the bivalve Pteria sterna and the longnose hawkfish Oxycirrhithes typus) and needs to be studied to determine its role on black corals. The importance of the ACG as a marine biodiversity conservation site is emphasized.
title Bosques de coral negro del Área de Conservación Guanacaste, Costa Rica: especies y distribución
title_short Bosques de coral negro del Área de Conservación Guanacaste, Costa Rica: especies y distribución
title_full Bosques de coral negro del Área de Conservación Guanacaste, Costa Rica: especies y distribución
title_fullStr Bosques de coral negro del Área de Conservación Guanacaste, Costa Rica: especies y distribución
title_full_unstemmed Bosques de coral negro del Área de Conservación Guanacaste, Costa Rica: especies y distribución
title_sort bosques de coral negro del área de conservación guanacaste, costa rica: especies y distribución
title_alt Black coral forests in the Guanacaste Conservation Area, Costa Rica: species and distribution
publisher Universidad de Costa Rica
publishDate 2021
url https://revistas.ucr.ac.cr/index.php/rbt/article/view/48317
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spelling RBT483172022-10-04T15:10:33Z Black coral forests in the Guanacaste Conservation Area, Costa Rica: species and distribution Bosques de coral negro del Área de Conservación Guanacaste, Costa Rica: especies y distribución Matamoros-Calderón, Wendolyn Lara, Minor Breedy, Odalisca Antipatharia; associated fauna; biodiversity; pinnules; taxonomy. Antipatharia; fauna asociada; biodiversidad; pínulas; taxonomía. Introducción: El conocimiento de los antipatarios en Costa Rica es muy escaso, se ha informado de tres especies en el Pacífico y de la existencia de bosques de coral en la Isla del Coco. En este estudio se informa de la presencia de bosques de coral negro y sus características encontrados en el Área de Conservación Guanacaste (ACG) sector marino. Objetivo: Determinar las especies de corales negros presentes en el Sector Marino del ACG y alrededores, y localizar geográficamente los sitios en que se desarrollan los bosques de coral negro. Métodos: Se hicieron censos visuales cualitativos mediante buceo, se tomaron muestras y analizaron en el laboratorio para su identificación. Resultados: Los bosques de corales negros están compuestos por dos especies: Myriopathes panamensis y Antipathes galapagensis las cuales son descritas e ilustradas. Los bosques de coral se encuentran distribuidos dentro y fuera del Sector Marino del ACG. Myriopathes panamensis se observó entre 15-45 m de profundidad y A. galapagensis entre 30-45 m. Entre las ramas de M. panamensis se observó macrofauna asociada cuyo estatus e importancia ecológica no han sido estudiados. Conclusiones: Las especies encontradas no tuvieron variaciones morfológicas con las descritas en otras regiones similares. Se sugiere la importancia de un estudio dirigido a evaluar el rol de la fauna asociada con los corales negros, principalmente de la anémona Nemanthus californicus, el bivalvo Pteria sterna y el pez halcón narigón Oxycirrhithes typus. Se enfatiza la importancia del Área de Conservación Guanacaste como sitio de conservación de la biodiversidad marina. Introduction: Little is known about the antipatharians in Costa Rica, only three species are known from the Pacific and the occurrence of coral forests was previously reported only for Isla del Coco. Black coral forests were observed at several sites in the north Pacific of the country, within the Guanacaste Conservation Area (ACG), which are reported and characterized in this study. Objective: To determine the species of black corals present in the ACG Marine Sector and its surroundings, and geographically locate the sites where black coral forests grow. Methods: Visual censuses were made by diving, samples were taken and analyzed in the laboratory for identification. Results: These black coral forests are composed of two species: Myriopathes panamensis and Antipathes galapagensis, these species are described and illustrated. The coral forests were found within and outside ACG marine protected areas. Myriopathes panamensis was found between 15-35 m depth and A. galapagensis at 30-45 m. Associated macrofauna was observed among the branches of M. panamensis, their ecological importance and status have not been determined. Conclusions: The species found did not have morphological variations with those described in other similar regions. Associated fauna was found (mainly the anemone Nemanthus californicus, the bivalve Pteria sterna and the longnose hawkfish Oxycirrhithes typus) and needs to be studied to determine its role on black corals. The importance of the ACG as a marine biodiversity conservation site is emphasized. Universidad de Costa Rica 2021-10-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Article application/pdf text/html https://revistas.ucr.ac.cr/index.php/rbt/article/view/48317 10.15517/rbt.v69iSuppl.2.48317 Revista de Biología Tropical; Vol. 69 No. S2 (2021): Volume 69 – Supplement 2 – October 2021: Scientific Research in the North Pacific of Costa Rica and South Pacific of Nicaragua; S208–S218 Revista de Biología Tropical; Vol. 69 Núm. S2 (2021): Volumen 69 – Suplemento 2 – Octubre 2021: Investigaciones Científicas en el Pacífico Norte de Costa Rica y Pacífico Sur de Nicaragua; S208–S218 Revista Biología Tropical; Vol. 69 N.º S2 (2021): Volume 69 – Supplement 2 – October 2021: Scientific Research in the North Pacific of Costa Rica and South Pacific of Nicaragua; S208–S218 2215-2075 0034-7744 10.15517/rbt.v69iS2 spa https://revistas.ucr.ac.cr/index.php/rbt/article/view/48317/48665 https://revistas.ucr.ac.cr/index.php/rbt/article/view/48317/48666 http://creativecommons.org/licenses/by/4.0