Palabras clave
barnacles
coral reefs
Gorgona Island
invertebrates
colonization
spatial variation
Trigonus Balanus
percebes
arrecifes de coral
Isla Gorgona
invertebrados
colonización
variación espacial
Cómo citar
Resumen
La colonización de hábitat disponible es un proceso fundamental de la ecología de poblaciones y comunidades de organismos marinos. La colonización sobre sustratos artificiales por invertebrados y su variación espacial fue estudiada por un año en el arrecife coralino de La Azufrada, Isla Gorgona (Colombia). Cinco juegos de baldosas (terracota y grés) fueron dispuestos en tres zonas arrecifales (trasarrecife, planicie y talud). Las baldosas fueron recuperadas y examinadas después de 12 meses posteriores a su instalación. La comunidad desarrollada estuvo compuesta por 24 taxa siendo notable la ausencia de corales. No se encontraron diferencias en la riqueza de especies entre las zonas arrecifales, los materiales utilizados y las superficies de las baldosas. Las baldosas fueron dominadas por cirripedios (Balanus trigonus) con una densidad de 26 787.8 (±47 301.0) ind/m2 (media±1D.E). La densidad de esta especie fue significativamente más alta en el talud y menor en las superficies superiores. La dominancia de B. trigonus durante el experimento sugiere un posible efecto sinérgico entre sus características reproductivas y su habilidad competitiva por el espacio evitando que otros organismos, como los corales, recluten exitosamente.
Citas
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Derechos de autor 2014 Revista de Biología Tropical