Population dynamics and growth in three scyphozoan jellyfishes, and their relationship with environmental conditions in a coastal lagoon

Blooms of jellyfishes are perceived to have increased during the last decades causing interference with human activities of both recreational and professional type. Those blooms seem to hold correlation with human impacts and environmental changes such as overfishing, the increase of temperature, eutrophication or habitat modification. In this study we perform the first simultaneous analysis of population dynamics from three scyphozoan jellyfishes, Aurelia sp. (Linnaeus, 1758), Cotylorhiza tuberculata (Macri, 1778) and Rhizostoma pulmo (Macri, 1778). The effect of temperature, salinity, ichthyoplankton, nutrients and chlorophyll a concentration have been studied. These three species are present in the Mar Menor coastal lagoon where they show a spatial and temporal segregation of their populations and life cycles that allows them to reduce interspecific competition. Temperature and its seasonal cycle have been determined to be a key factor regulating the populations, triggering the stmbilation process either by an increase in temperature (C. tuberculata) or by a decrease in it (Aurelia sp.). Such segregation has a decisive effect on the ecosystem, since it allows a continuous temporal succession of top-down control on the lagoon trophic network.

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Fernandez-Alias A. Marcos C. Quispe J.I. Sabah S. y Perez-Ruzafa A. Population dynamics and growth in three scyphozoan jellyfishes and their relationship with environmental conditions in a coastal lagoon. Elsevier B.V., 2020. https://doi.org/10.1016/j.ecss.2020.106901

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Tipo de recurso Artículo
Fecha de creación 05-11-2024
Fecha de última modificación 18-01-2025
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Identificador de los metadatos 620ecd3d-a17b-5213-bffa-75c4e97db839
Idioma de los metadatos Español
Temáticas (NTI-RISP)
Categoría del conjunto de alto valor (HVD) Observación de la Tierra y medio ambiente
Categoría temática ISO 19115 biota
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Nombre del autor Fernandez-Alias, A., Marcos, C., Quispe, J.I., Sabah, S. y Perez-Ruzafa, A.
Nombre del editor Elsevier B.V.
Identificador alternativo DOI: 10.1016/j.ecss.2020.106901
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Email del autor alfredo.fernandez@um.es
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