Evaluation of demographic indicators of Pocillopora (Scleractinia: Pocilloporidae) in island vs. coastal sites: Implications for a regional restoration program

 

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Autores: Rodríguez-Troncoso, Alma Paola, Tortolero-Langarica, José de Jesús Adolfo, Medellín-López, Pastora Contreras, Canizales-Flores, Hazel María, Godínez-Domínguez, Enrique, Cupul Magaña, Amílcar Leví
Formato: artículo original
Estado:Versión publicada
Fecha de Publicación:2023
Descripción:Introduction: The maintenance of the coral communities depends directly on the capacity of the individuals to grow as a whole colony.  Since growth shapes the basis of the physical structure of the reef, determining the growth rate of builder coral-species and their response to environmental variations will allow us to identify their particular potential to implement more effective restoration strategies. Objective: To determine the growth rate of the reef-building coral Pocillopora throughout the Mexican Central Pacific (PCM) and its relationship with fluctuations in environmental conditions. Methods: From August 2019 - October 2020, a total of 153 branched coral fragments of the genus Pocillopora were monitored and transplanted as part of the restoration program in different PCM locations: Islas Marietas National Park and in the Caleta de Cuastecomates. Coral growth (cm·year-1) and survival rate (%), was calculated and correlated with temperature, PAR and Kd490 for each locality. Results: The results show similar patterns in the parameters examined among the coral fragments were found for all sites, with a survival range of 61.6 – 68 %, whose mortality was mainly related to hurricanes and storms that affected the region. However, growth rate range from 2.0 – 8.0 cm·year-1, with no significant differences between locations. Also, no differences in environmental conditions between locations were recorded. Conclusions: The branching corals of the genus Pocillopora present a similar growth rate in insular and coastal sites of the PCM, so it could be expected that the implementation of a restoration program throughout this region of the Mexican Pacific would be potentially successful, since local environmental conditions are not limiting factors.
País:Portal de Revistas UCR
Institución:Universidad de Costa Rica
Repositorio:Portal de Revistas UCR
Lenguaje:Español
Inglés
OAI Identifier:oai:portal.ucr.ac.cr:article/54790
Acceso en línea:https://revistas.ucr.ac.cr/index.php/rbt/article/view/54790
Palabra clave:branched coral; linear extension; environmental factor; Mexican Central Pacific.
coral ramificado; extensión lineal; variables ambientales; Pacífico Central Mexicano.