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Cryptophyte bloom in a Mediterranean estuary: High abundance of Plagioselmis cf. prolonga in the Krka River estuary (eastern Adriatic Sea)
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, Palaeobiology.
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2014 (English)In: Scientia Marina, ISSN 0214-8358, E-ISSN 1886-8134, Vol. 78, no 3, 329-338 p.Article in journal (Refereed) Published
Abstract [en]

During the June 2010 survey of phytoplankton and physicochemical parameters in the Krka River estuary (eastern Adriatic Sea), a cryptophyte bloom was observed. High abundance of cryptophytes (maximum 7.9x10(6) cells l(-1)) and high concentrations of the class-specific biomarker pigment alloxanthine (maximum 2312 ng l(-1)) were detected in the surface layer and at the halocline in the lower reach of the estuary. Taxonomical analysis revealed that the blooming species was Plagioselmis cf. prolonga. Analysis of the environmental parameters in the estuary suggested that the bloom was supported by the slower river flow as well as the increased orthophosphate and ammonium concentrations. The first record of a cryptophyte bloom in the Krka River estuary may indicate that large-scale changes are taking place in the phytoplankton community. Such changes could have a major impact on the natural ecosystem dynamics and the mariculture production in the area.

Place, publisher, year, edition, pages
2014. Vol. 78, no 3, 329-338 p.
Keyword [en]
estuarine ecosystem, phytoplankton bloom, cryptophytes, chemotaxonomy, Mediterranean Sea, Krka River estuary
National Category
Earth and Related Environmental Sciences
URN: urn:nbn:se:uu:diva-235643DOI: 10.3989/scimar.03998.28CISI: 000342742100002OAI: oai:DiVA.org:uu-235643DiVA: diva2:762301
Available from: 2014-11-11 Created: 2014-11-06 Last updated: 2015-05-29

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Šupraha, Luka
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