On the morphodynamic stability of intertidal environments and the role of vegetation
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10.1016/j.advwatres.2015.11.003
Inclou dades d'ús des de 2022
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hdl:2117/90168
Tipus de documentArticle
Data publicació2016-07-01
EditorElsevier
Condicions d'accésAccés obert
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Reconeixement-NoComercial-SenseObraDerivada 3.0 Espanya
Abstract
We describe the coupled biotic and abiotic dynamics in intertidal environments using a point model that includes suspended sediment deposition, wave-and current-driven erosion, biofilm sediment stabilization, and sediment production and stabilization by vegetation. We explore the effects of two widely different types of vegetation: salt-marsh vegetation and mangroves. These two types of vegetation, which colonize distinct geographical areas, are characterized by different biomass productivities and stabilization mechanisms. We show that changing vegetation and biofilm properties result in differing stable states, both in their type and number. The presence of the biofilm exerts a dominant control on the tidal flat (lower intertidal) equilibrium elevation and stability. Vegetation controls the elevation of the marsh platform (i.e., the upper intertidal equilibrium). The two types of vegetation considered lead to similar effects on the stability of the system despite their distinct biophysical interactions, they ultimately lead to similar e¿ects on the stability of the system.
CitacióKakeh, N., Giovanni, C., Marani, M. On the morphodynamic stability of intertidal environments and the role of vegetation. "Advances in water resources", 1 Juliol 2016, vol. 93, p. 303-314.
ISSN0309-1708
Versió de l'editorhttp://www.sciencedirect.com/science/article/pii/S0309170815002626
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