Publication: Agua y agricultura en sistemas áridos: un modelo dinámico del
regadío de Mazarrón y Águilas
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Date
2020-04-03
Authors
Martínez Fernández, j. ; Esteve Selma, Miguel A.
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Departamento de Ecología e Hidrología. Universidad de Murcia ; Departamento de Ecología e Hidrología. Universidad de Murcia
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Publisher
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DOI
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info:eu-repo/semantics/other
Description
Abstract
The intensive use of groundwater resources in the new irrigated lands of Mazarron-Aguilas
has led to the over-exploitation of the local aquifers and thus, to seawater intrusion, water
salinization and falling off water tables, all of them key processes of desertification. The
simulation results show that the unrealistic perceptions about the relationships between
irrigated land and water resources constitutes a key factor to explain the highly unsustainable
dynamics of irrigated lands in Mazarrón and Aguilas and the whole SE Spain. The increase
in water resources does not eliminate the problem because the feedback loops and
endogenous factors of the system lead to a further increase in irrigated land and continuation
of the water deficit, which shows a highly counter-intuitive behaviour.
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