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(Article of periodic en Anglais - 2013)

Document title

Algae influence the hydrophysical parameters of a sandy soil

published at : Soil water repellency

Authors(s) and Affiliation(s)

LICHNER L. (1) ; HALLETT P.D. (2) ; DRONGOVÁ Z. (3) ; CZACHOR H. (4) ; KOVACIK L. (3) ; MATAIX-SOLERA J. (5) ; HOMOLÁK M. (6) ;
(1) Inst. of Hydrology, Slovak Academy of Sciences, Bratislava, SLOVAQUIE
(2) The James Hutton Inst., Scotland, Dundee, ROYAUME-UNI
(3) Dept. of Botany, Fac. of Natural Sciences, Comenius Univ., Bratislava, SLOVAQUIE
(4) Inst. of Agrophysics, Polish Academy of Sciences, Lublin, POLOGNE
(5) GEA-Grupo de Edafología Ambiental, Dep. de Agroquímica y Medio Ambiente, Univ. Miguel Hernández, Alicante, ESPAGNE
(6) Dept. of Natural Environment, Technical Univ., Zvolen, SLOVAQUIE

Abstract

Biological soil crusts have a major effect on water flow in soils. Two study sites, located at a pine-forest glade covered with a biological soil crust, formed the basis of this study. The sand soil at the surface (Glade soil) was compared to a control soil (Pure sand) with limited impact of vegetation or organic matter, occurring at 50 cm depth beneath a glade area. The hydrophysical parameters were substantially different between the 2 surfaces. The growth of artificial algal crusts resulted in an increase in water drop penetration time (WDPT) of the dried crusts up to 14-times that of the pure sand and a decrease in the water sorptivity of the dried crusts up to 10% that of the pure sand. It is highlighted that water repellency cessation time depends on WDPT and thickness of biological crust

Source

Thematical fascicle

published at : Catena / ISSN 0341-8162

Editor : Catena, Cremlingen-Destedt - ALLEMAGNE (1973)

Millesime : 2013, vol. 108 [pp. 58-68]

Bibliographic references : 1 p.

Collation : fig., tabl.

Language

Anglais

INIST-CNRS, Cote INIST : 16767

Digital Object Identifier

Go to electronic document thanks to its DOI : doi:10.1016/j.catena.2012.02.016

Tous droits réservés © Prodig - Bibliographie Géographique Internationale (BGI), 2013
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