Results 91 to 100 of about 6,145 (182)

Deteriorating Predation Refugia as a Barrier to the Recovery of Keystone Species Diadema antillarum

open access: yes, 2020
Diadema antillarum is a keystone species that is crucial for maintaining the health and stability of Caribbean coral reefs. After a mass mortality event decades ago, their population abundance has not seen any improvements.
Zhou, Elaine
core   +2 more sources

Grazing by the Echinoid Diadema Antillarum Philippi: Formation of Halos around West Indian Patch Reefs

open access: yes, 1973
Between patch reefs and marine grass communities there is normally a zone or halo of heavily grazed grass 2 to 10 meters wide. Grazing by the echinoid Diadema antillarum Philippi during nocturnal migrations off the reefs is found to be the major factor
Salesky, Norman   +2 more
core   +1 more source

Recovery of the sea urchin Diadema antillarum in the Caribbean Coral Reef Ecosystem

open access: yes, 2019
Diadema antillarum (Philippi), the long-spined sea urchin, was once common in Caribbean coral reef ecosystems. In 1983, off the coast of Curacao, approximately fifty percent of the D.
Kobelt, Julia, Thorne, Kellcie
core   +1 more source

ESTADO DE CRESTAS DE ARRECIFES EN EL PARQUE NACIONAL JARDINES DE LA REINA, CUBA/ Status of coral reef crests at the Jardines de la Reina National Park, Cuba

open access: yesRevista de Investigaciones Marinas, 2016
Se muestrearon en febrero 2016 cuatro crestas de arrecifes en el Parque Nacional Jardines de la Reina, Cuba, para conocer su estado. Se evaluaron indicadores ecológicos sobre el Sistema de Escalas para la Clasificación y Puntaje de Condición del Bentos e
Leslie Hernández-Fernández   +2 more
doaj  

Apparent stability of a low-density Diadema antillarum regime for Puerto Rican coral reefs

open access: yes, 2018
Caribbean reefs have suffered decline in coral cover in recent decades due to recurrent anthropogenic and natural stressors. The regional collapse of the sea urchin Diadema antillarum, combined with overfishing, has contributed to a phase-shift of coral ...
Montanez-Acuna, A (15679535)   +3 more
core  

Evaluación de Acropora palmata (Lamarck, 1816) y Diadema Antillarum Philippi y agassiz, 1863 en las crestas arrecifales de Playa Baracoa (Provincia Artemisa) y Rincón de Guanabo (Provincia La Habana), Cuba/ Acropora palmata (Lamarck, 1816) and Diadema antillarum Philippi y Agassiz, 1863 evaluation in reef crests of playa Baracoa (Provincia Artemisa) and Rincón de Guanabo (Provincia La Habana), Cuba

open access: yesRevista de Investigaciones Marinas, 2017
Las crestas arrecifales son un recurso de significativo valor natural y ecológico. En esta investigación se evaluaron las poblaciones de Acropora palmata y Diadema antillarum en las crestas arrecifales de playa Baracoa y Rincón de Guanabo. El muestreo se
Fredy Hernández-Delgado   +2 more
doaj  

Developing standard production diets for early juvenile Diadema antillarum sea urchins

open access: yesAquaculture Reports
High post-settlement mortality represents a major bottleneck in sea urchin aquaculture. Better understanding of diet requirements during this early juvenile stage and the development of novel feeding protocols offers potential to advance culture outcomes.
Casey G. Hudspeth   +4 more
doaj   +1 more source

Genetic Differentiation Among Florida Populations of Diadema antillarum [PDF]

open access: yes, 2016
This project used molecular genetic markers (microsatellites) to determine the amount of genetic diversity within populations and whether significant differentiation exists among Florida populations of the long-spined sea urchin, Diadema antillarum ...
Chandler, Luke M
core  

Increased recruitment rates indicate recovering populations of the sea urchin Diadema antillarum on Curacao

open access: yes, 2010
Recruitment of the sea urchin Diadema antillarum philippi, 1845 was studied on artificial recruitment panels along the leeward coast of the island of Curaçao, southern Caribbean.
Bak, R.P.M.   +7 more
core  

Características poblacionales de Diadema antillarum (Philippi, 1845) (Echinoidea: Diadematidae) en arrecifes de la región noroccidental Cuba

open access: yesRevista de Investigaciones Marinas
Diadema antillarum es considerada como el principal invertebrado herbívoro de los arrecifes de coral del Caribe. Debido a la significación que representa esta especie, en esta investigación se evaluaron indicadores poblacionales de la misma en las ...
Patricia González-Díaz   +1 more
doaj  

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