Coralligenous habitat: patterns of vertical distribution of macroalgal assemblages

Luigi Piazzi; David Balata

doi:10.3989/scimar.2011.75n2399

Autores/as

Luigi Piazzi Centro Interuniversitario di Biologia Marina ed Ecologia Applicata
David Balata School of Biological and Environmental Sciences, Science Building West, University College Dublin

DOI:

https://doi.org/10.3989/scimar.2011.75n2399

Palabras clave:

hábitat coralígeno, profundidad, perturbación, macroalgas, mar Mediterráneo

Resumen

Este estudio investiga los patrones de distribución de las comunidades algales del hábitat coralígeno en relación a la profundidad y evalúa el papel de las diferentes condiciones ambientales en la formación de estos patrones. Se han muestreado dos profundidades (30 y 40 m) en pequeñas islas y en la costa continental. Los resultados muestran diferencias entre profundidades en la estructura de las comunidades entre islas, mientras que estas diferencias no son evidentes en el continente. Además las diferencias encontradas son más evidentes a 30 metros. Este estudio correlacional no nos permite establecer ninguna relación causa-efecto; sin embargo, los patrones detectados están de acuerdo con lo observado en otros trabajos, lo que sugiere que las alteraciones en las condiciones ambientales pueden ser la causa de la disminución de las diferencias entre comunidades que se desarrollan a profundidades distintas y pueden provocar una mayor homogeneidad espacial y un empobrecimiento de la zona sublitoral.

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Citas

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