Biology – Quantitative Biology – Populations and Evolution
Scientific paper
2008-04-15
Ecological Modelling 220, 3100-3110 (2009)
Biology
Quantitative Biology
Populations and Evolution
33 pages, including 10 figures. To appear in Ecological Complexity
Scientific paper
10.1016/j.ecolmodel.2009.01.022
Pristine 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.
Bacelar Flora S.
Dueri Sibylle
Hernandez-Garcia Emilio
Marinov Darko
Viaroli P.
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