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Nutrient cycling and plant dynamics in estuaries: a brief review
Flindt, M.R.; Pardal, M.A.; Lillebø, A.I.; Martins, I.; Marques, J.C. (1999). Nutrient cycling and plant dynamics in estuaries: a brief review. Acta Oecol. (Montrouge) 20: 237-248
In: Acta Oecologica (Montrouge). Gauthier-Villars: Montrouge. ISSN 1146-609X, more
Peer reviewed article  

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Keyword
    Marine

Authors  Top 
  • Flindt, M.R.
  • Pardal, M.A.
  • Lillebø, A.I.
  • Martins, I.
  • Marques, J.C.

Abstract
    Eutrophication of European estuaries due to massive nutrient loading from urbanareas and diffuse runoff from extensively cultivated land areas is analysed.Consequences for the ecology of estuaries, namely changes in plant speciescomposition, which also affects heterotrophic organisms, are approached basedon examples showing that the result is often a fundamental structural change of theecosystem, from a grazing and/or nutrient controlled stable systems to unstabledetritus/mineralisation systems, where the turnover of oxygen and nutrients is much more dynamic and oscillations between aerobic and anaerobic states frequentlyoccur. Several relevant aspects are examined, namely the influence of rootedmacrophytes on nutrient dynamics, by comparing bare bottom sediments witheelgrass covered sediments, primary production and the development of organicdetritus, and hydrodynamics and its relations to the spatial distribution ofmacrophytes in estuarine systems.

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