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Título: | Changes in the composition and structure of Mediterranean rocky-shore communities following a gradient of nutrient enrichment: Descriptive study and test of proposed methods to assess water quality regarding macroalgae. |
Autor: | Arévalo, Raquel CSIC; Pinedo, Susana CSIC ORCID ; Ballesteros, Enric CSIC ORCID | Palabras clave: | European Water Framework Directive Mediterranean Macroalgae Nutrient enrichment Biological indicators |
Fecha de publicación: | 2007 | Editor: | Elsevier | Citación: | Marine Pollution Bulletin 55(1–6) : 104–113 (2007) | Resumen: | Changes in the species composition and structure of Mediterranean macroalgal-dominated communities from the upper sublittoral zone are described along agradient of nutrient enrichment coming from a urban sewage outfall. Ulva-dominated communities only appear close to the sewage outfall. Corallina-dominated communities replace ulvacean algae at intermediate levels of nutrient enrichment. Cystoseira-dominated communities thrive in the reference site but already appear at nutrient levels that are threefold higher than those reported from unpolluted sites. Assemblage variability of Cystoseira-dominated communities decreases along the gradient of nutrient enrichment. Methods based on the functional-form groups of macroalgae to assess the waterquality provide equivocal results at intermediate levels of nutrient enrichment because species belonging to the same group can display a completely different response to pollution. Alternatively, methods based on indicator species showed correlated evidence among species abundances and pollution levels and seem to have better performances in waterquality assessment. | Descripción: | 10 páginas, 4 tablas, 5 figuras. | Versión del editor: | http://dx.doi.org/10.1016/j.marpolbul.2006.08.023 | URI: | http://hdl.handle.net/10261/61097 | DOI: | 10.1016/j.marpolbul.2006.08.023 | ISSN: | 0025-326X |
Aparece en las colecciones: | (CEAB) Artículos |
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