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|Title:||Modeling approach to regime shifts of primary production in shallow coastal ecosystems|
|Authors:||ZALDIVAR COMENGES Jose'; BACELAR Flora; DUERI Sibylle; MARINOV DIMITAR; VIAROLI P.; HERNANDEZ GARCIA Emilio|
|Citation:||ECOLOGICAL MODELLING vol. 220 p. 3100-3110|
|Publisher:||ELSEVIER SCIENCE BV|
|Type:||Articles in periodicals and books|
|Abstract:||Pristine coastal shallow systems are usually dominated by extensive meadows of seagrass species, which are assumed to take advantage of nutrient supply fromsediment. An increasing nutrient input is thought to favour phytoplankton, epiphytic microalgae, aswell 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.|
|JRC Institute:||Institute for Health and Consumer Protection|
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