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Título

Modeling approach to regime shifts of primary production in shallow coastal ecosystems

AutorZaldívar, José Manuel; Bacelar, Flora S.; Dueri, Sibylle; Marinov, Dimitar; Viaroli, P.; Hernández-García, Emilio
Palabras claveRegime shifts
Macrophytes
Macroalgae
Populations and Evolution
Quantitative Methods
Fecha de publicación23-feb-2009
EditorElsevier
CitaciónEcological Modelling (2009), doi: 10.1016/j.ecolmodel.2009.01.022 (In press)
ResumenPristine coastal shallow systems are usually dominated by extensive meadows of seagrass species, which are assumed to take advantage of nutrient supply from sediment. An increasing nutrient input is thought to favour phytoplankton, epiphytic microalgae, as well as opportunistic ephemeral macroalgae that coexist with seagrasses. The primary cause of shifts and succession in the macrophyte community is the increase of nutrient load to water; however, temperature plays also an important role. A competition model between rooted seagrass (Zostera marina), macroalgae (Ulva sp.), and phytoplankton has been developed to analyse the succession of primary producer communities in these systems. Successions of dominance states, with different resilience characteristics, are found when modifying the input of nutrients and the seasonal temperature and light intensity forcing.
Descripción11 pages, 10 figures, 4 tables.-- Article in press.-- ArXiv pre-print available at: http://arxiv.org/abs/0804.2499
Versión del editorhttp://dx.doi.org/10.1016/j.ecolmodel.2009.01.022
URIhttp://hdl.handle.net/10261/14857
DOI10.1016/j.ecolmodel.2009.01.022
ISSN0304-3800
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