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Soil losses under simulated rainfall in semi‐arid shrublands of the Ebro Valley, Spain
Author(s) -
Navas A.
Publication year - 1993
Publication title -
soil use and management
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.709
H-Index - 81
eISSN - 1475-2743
pISSN - 0266-0032
DOI - 10.1111/j.1475-2743.1993.tb00946.x
Subject(s) - shrubland , surface runoff , environmental science , soil water , vegetation (pathology) , arid , outcrop , hydrology (agriculture) , soil science , soil loss , geology , ecosystem , geomorphology , geotechnical engineering , ecology , medicine , paleontology , pathology , biology
. Runoff and soil loss were measured using simulated rainfall at nine shrubland sites on gypsiferous soils in the Ebro Valley. The sites represented diverse physiographical situations, including three soil types, three slopes and different percentages of rock outcrop and vegetation cover. Soil type, slope and vegetation cover significantly affected runoff and soil losses. An average of 40% of the simulated rainfall (48 mm/h) appeared as runoff and amounts were positively correlated with soil losses. The greatest runoff and soil losses were from plots with the steepest slopes. Rock outcrops decreased soil losses.