Publication: Relaciones agua-suelo-vegetación.-Soil fertility dynamics in a semiarid basin: impact of scale level in weighing the effect of the landscape variables
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Date
Authors
Ruiz-Navarro, A. ; Barberá, G.G ; Albaladejo, J.
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Universidad de Murcia
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DOI
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info:eu-repo/semantics/other
Description
Abstract
ABSTRACT
Arid and semi-arid Mediterranean soils are particularly sensitive to degradation processes,
and soil fertility could play important role in restoration/conservation practices. Our objective
was to study the relationships between soil and landscape at different scales in order to
understand the main drivers of soil fertility on a semiarid catchment. A stratified sampling
plan was carried out to take soil and landscape representative variability. Multivariate statistic
techniques were used to elucidate the relationship between both. The results showed that
soil fertility are positively related with density of vegetation and topographical conditions
favourable to soil moisture at small scale, while negatively with topographical factors that
contributed erosion dynamic on erodebility lithologies at medium and large scale.
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