Contributions of the eco-hydrological models incorporating feedbacks to the knowledge of arid and semi-arid ecosystems functioning

Y. Pueyo

Abstract


Water redistribution is a fundamental mechanism driving the functioning and dynamics of arid and semi-arid ecosystems. There, a positive feedback exists between vegetation biomass and soil water availability for plants, and it is often responsible of a regular spatial pattern development. The consequences of such spatial patterns in plant and water occurrence have been extensively studied in the field of eco-hydrology, both experimentally and theoretically. Here, we review the main contributions of the ecohydrological models incorporating feedbacks to the knowledge of arid and semi-arid ecosystems functioning, as well as the future research needs and directions in this research field.

Keywords


positive feedback, spatial pattern, eco-hydrology, ecological modelling, vegetation, drylands,

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DOI: https://doi.org/10.18172/cig.1990

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