Publications des scientifiques de l'IRD

Chamizo S., Belnap J., Eldridge D.J., Canton Y., Malam Issa Oumarou. (2016). The role of biocrusts in arid land hydrology. In : Weber B. (ed.), Büdel B. (ed.), Belnap J. (ed.). Biological soil crusts : an organizing principle in drylands. Cham : Springer, p. 321-346. (Ecological Studies ; 226). ISBN 978-3-319-30214-0. ISSN 0070-8356.

Titre du document
The role of biocrusts in arid land hydrology
Année de publication
2016
Type de document
Partie d'ouvrage
Auteurs
Chamizo S., Belnap J., Eldridge D.J., Canton Y., Malam Issa Oumarou
In
Weber B. (ed.), Büdel B. (ed.), Belnap J. (ed.), Biological soil crusts : an organizing principle in drylands
Source
Cham : Springer, 2016, p. 321-346 (Ecological Studies ; 226). ISBN 978-3-319-30214-0 ISSN 0070-8356
Biocrusts exert a strong influence on hydrological processes in drylands by modifying numerous soil properties that affect water retention and movement in soils. Yet, their role in these processes is not clearly understood due to the large number of factors that act simultaneously and can mask the biocrust effect. The influence of biocrusts on soil hydrology depends on biocrust intrinsic characteristics such as cover, composition, and external morphology, which differ greatly among climate regimes, but also on external factors as soil type, topography, and vegetation distribution patterns, as well as interactions among these factors. This chapter reviews the most recent literature published on the role of biocrusts in infiltration and runoff, soil moisture, evaporation, and non-rainfall water inputs (fog, dew, water absorption), in an attempt to elucidate the key factors that explain how biocrusts affect land hydrology. In addition to the crust type and site characteristics, recent studies point to the crucial importance of the type of rainfall and the spatial scale at which biocrust effects are analyzed to understand their role in hydrological processes. Future studies need to consider the temporal and spatial scale investigated to obtain more accurate generalizations on the role of biocrusts in land hydrology.
Plan de classement
Mécanisme du cycle de l'eau [062MECEAU] ; Erosion et conservation des sols [068EROSOL]
Descripteurs
CROUTE ; BIOLOGIE DU SOL ; HUMIDITE DU SOL ; CYCLE HYDROLOGIQUE ; INFILTRATION ; RUISSELLEMENT ; EROSION
Description Géographique
ZONE ARIDE ; CHINE ; ESPAGNE ; ISRAEL ; ALLEMAGNE ; ETATS UNIS ; SLOVAQUIE ; NIGER
Localisation
Fonds IRD [F B010071576]
Identifiant IRD
fdi:010071576
Contact
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    Horizon Pleins textes
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