Proliferación de una criptófita en un estuario mediterráneo: alta abundancia de Plagioselmis cf. prolonga en el estuario del río Krka (Adriático)

Autores/as

  • Luka Šupraha Department of Biology, Faculty of Science, University of Zagreb - Department of Earth Sciences, Paleobiology Programme, Uppsala University
  • Sunčica Bosak Department of Biology, Faculty of Science, University of Zagreb
  • Zrinka Ljubešić Department of Biology, Faculty of Science, University of Zagreb
  • Hrvoje Mihanović Hydrographic Institute of the Republic of Croatia
  • Goran Olujić Hydrographic Institute of the Republic of Croatia
  • Iva Mikac Ruđer Bošković Institute
  • Damir Viličić Department of Biology, Faculty of Science, University of Zagreb

DOI:

https://doi.org/10.3989/scimar.03998.28C

Palabras clave:

estuario, proliferación de fitoplancton, criptófitas, quimiotaxonomía, mar Mediterráneo, estuario del río Krka

Resumen


Se observó una proliferación de una criptófita durante el estudio del fitoplancton y de los parámetros fisicoquímicos en el estuario del río Krka (Adriático) en junio de 2010. La abundancia más alta de criptofitas (máximo 7.9×106 células l–1) y las mayores concentraciones del pigmento marcador específico de la clase, la aloxantina (máximo 2312 ng l–1), fueron detectados en la capa superficial y en la haloclina en el tramo inferior de la ría. El análisis taxonómico reveló que la especie que proliferó fue Plagioselmis cf. prolonga. El análisis de los parámetros ambientales del estuario sugirió que la proliferación estaba favorecida por el caudal lento del río, así como el aumento de las concentraciones de ortofosfato y amonio. El hecho de registrar por primera vez una proliferación de una criptófita en el estuario del río Krka podría indicar cambios a gran escala en la comunidad de fitoplancton. Tales cambios podrían tener un impacto importante en la dinámica de los ecosistemas naturales y la producción de la maricultura en la zona.

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Citas

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Publicado

2014-09-30

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1.
Šupraha L, Bosak S, Ljubešić Z, Mihanović H, Olujić G, Mikac I, Viličić D. Proliferación de una criptófita en un estuario mediterráneo: alta abundancia de Plagioselmis cf. prolonga en el estuario del río Krka (Adriático). Sci. mar. [Internet]. 30 de septiembre de 2014 [citado 22 de julio de 2024];78(3):329-38. Disponible en: https://scientiamarina.revistas.csic.es/index.php/scientiamarina/article/view/1542

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