Phytoplankton Fluctuations during an Annual Cycle in the Coastal Lagoon of Cullera (Spain)
Identifieur interne : 000909 ( Main/Exploration ); précédent : 000908; suivant : 000910Phytoplankton Fluctuations during an Annual Cycle in the Coastal Lagoon of Cullera (Spain)
Auteurs : C. Rojo ; M. R. MiracleSource :
- Internationale Revue der gesamten Hydrobiologie und Hydrographie [ 0020-9309 ] ; 1989.
English descriptors
Abstract
The seasonal variation and the vertical distribution of the phytoplanktonic population of the lagoon of Cullera, an elongated coastal lagoon with estuarine circulation of water, has been studied in three sampling stations: mouth, centre and source. Seasonal variation is determined by a marine‐freshwater interaction. In winter, the sea influence is important, a marine water wedge of anoxic water arrives at the sampling station located at the source and marine and brackish water species dominate the phytoplankton. Also marine species of zooplankton and fish enter the system, which may then be considered as exploited by the sea. In spring the marine wedge retreats from the source but remains in the centre and mouth, salinity diminishes, vertical mixing persists and phytoplankton is dominated by Cyclotella species. From late spring to autumn the freshwater influence prevails and a sharp stratification of the water is produced in the stations at the mouth and the centre, by means of a steep halocline coincident with an oxycline. The phytoplankton in this period follows a typical succession like those described in freshwater eutrophic lakes. Vertical distribution of phytoplankton is determined by the presence of the oxycline, originated by the marine water wedge, whose depth varies seasonally but which is always present in the mouth and centre of the lagoon; only few species of algae can be found below its level.
Url:
DOI: 10.1002/iroh.19890740205
Affiliations:
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Rojo</name><affiliation><wicri:noCountry code="no comma">Department of Ecology Faculty of Biology University of Valencia 46100 Burjasot (Valencia) Spain</wicri:noCountry></affiliation></author><author><name sortKey="Miracle, M R" sort="Miracle, M R" uniqKey="Miracle M" first="M. R." last="Miracle">M. R. Miracle</name><affiliation><wicri:noCountry code="no comma">Department of Ecology Faculty of Biology University of Valencia 46100 Burjasot (Valencia) Spain</wicri:noCountry></affiliation></author></analytic><monogr></monogr><series><title level="j">Internationale Revue der gesamten Hydrobiologie und Hydrographie</title><title level="j" type="abbrev">Int. Revue ges. Hydrobiol. Hydrogr.</title><idno type="ISSN">0020-9309</idno><idno type="eISSN">1522-2632</idno><imprint><publisher>Akademie Verlag, Berlin</publisher><pubPlace>Berlin</pubPlace><date type="published" when="1989">1989</date><biblScope unit="volume">74</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="179">179</biblScope><biblScope unit="page" to="194">194</biblScope></imprint><idno type="ISSN">0020-9309</idno></series><idno type="istex">608CD6C07C9AD25AAFF7F235EE32CB020567A9CC</idno><idno type="DOI">10.1002/iroh.19890740205</idno><idno type="ArticleID">IROH19890740205</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0020-9309</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Mediterranean wetlands</term><term>coastal lagoon</term><term>meromictic lakes</term><term>phytoplankton seasonal succession</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The seasonal variation and the vertical distribution of the phytoplanktonic population of the lagoon of Cullera, an elongated coastal lagoon with estuarine circulation of water, has been studied in three sampling stations: mouth, centre and source. Seasonal variation is determined by a marine‐freshwater interaction. In winter, the sea influence is important, a marine water wedge of anoxic water arrives at the sampling station located at the source and marine and brackish water species dominate the phytoplankton. Also marine species of zooplankton and fish enter the system, which may then be considered as exploited by the sea. In spring the marine wedge retreats from the source but remains in the centre and mouth, salinity diminishes, vertical mixing persists and phytoplankton is dominated by Cyclotella species. From late spring to autumn the freshwater influence prevails and a sharp stratification of the water is produced in the stations at the mouth and the centre, by means of a steep halocline coincident with an oxycline. The phytoplankton in this period follows a typical succession like those described in freshwater eutrophic lakes. Vertical distribution of phytoplankton is determined by the presence of the oxycline, originated by the marine water wedge, whose depth varies seasonally but which is always present in the mouth and centre of the lagoon; only few species of algae can be found below its level.</div></front></TEI><affiliations><list></list><tree><noCountry><name sortKey="Miracle, M R" sort="Miracle, M R" uniqKey="Miracle M" first="M. R." last="Miracle">M. R. Miracle</name><name sortKey="Rojo, C" sort="Rojo, C" uniqKey="Rojo C" first="C." last="Rojo">C. Rojo</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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