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Below-ground relationships of soil texture, roots and hydraulic conductivity in two-phase mosaic vegetation in South-east Spain.

Research output: Contribution to journalJournal article

Published

Journal publication date12/2002
JournalJournal of Arid Environments
Journal number4
Volume52
Number of pages19
Pages535-553
Original languageEnglish

Abstract

Results led to the development of a conceptual model, which describes that the presence of deep larger diameter roots in shrub areas form large open channels at deeper soil depths, facilitating deep-water percolation, while presence of thin shallow roots in grass areas form small open channels at shallow depths, causing water to remain within shallow depths. Over time these roots systems will alter their environment and facilitate storage and uptake of water and nutrient availability. The difference in rooting depth will decrease the competition for water between the shrub areas and grass areas and cause differences in water distribution and availability.

Bibliographic note

624KV J ARID ENVIRON