Changes in water flows and water productivity upon vegetation regeneration on degraded hillslopes in northern Ethiopia: a water balance modelling exercise

Changes in water flows and water productivity upon vegetation regeneration on degraded hillslopes in northern Ethiopia: a water balance modelling exercise

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Main Authors: Descheemaeker, Katrien, Raes, Dirk, Nyssen, Jan, Poesen, J., Haile, M., Deckers, J.
Format: Journal Article biblioteca
Language:English
Published: CSIRO Publishing 2009
Subjects:water resources, vegetation, land degradation,
Online Access:https://hdl.handle.net/10568/2030
https://doi.org/10.1071/RJ09010
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spelling dig-cgspace-10568-20302023-09-12T11:05:31Z Changes in water flows and water productivity upon vegetation regeneration on degraded hillslopes in northern Ethiopia: a water balance modelling exercise Descheemaeker, Katrien Raes, Dirk Nyssen, Jan Poesen, J. Haile, M. Deckers, J. water resources vegetation land degradation PLE The establishment of exclosures (i.e. areas closed for grazing and agriculture) is a common practice to reverse land degradation through vegetation regeneration in the semiarid highland areas of northern Ethiopia. In order to assess the effect of exclosures on water flows, the water balance components for different vegetation regeneration stages were assessed through field measurements and modelling. Successful model calibration and validation was done based on soil water content measurements conducted during 2 years in 22 experimental plots. In the protected areas, vegetation regeneration leads to an increase in infiltration and transpiration and a more productive use of water for biomass production. In areas where additional lateral water (runon) infiltrates, source–sink systems are created. Here, up to 30% of the annual rainfall percolates through the root-zone towards the groundwater table. Increased biomass production in exclosures leads to possibilities for wood harvesting and cut and carry of grasses for livestock feeding. Together with water conservation and more productive use of water, the latter contributes to increased livestock water productivity. At the landscape scale, the creation of vegetation filters, capturing resources like water and nutrients, reinforces the rehabilitation process and healthy landscape functioning. 2009 2010-07-08T18:42:02Z 2010-07-08T18:42:02Z Journal Article Descheemaeker, K.; Raes, D.; Nyssen, J.; Poesen, J.; Haile, M.; Deckers, J. 2009 .Changes in water flows and water productivity upon vegetation regeneration on degraded hillslopes in northern Ethiopia: a water balance modeling exercise. Rangeland Journal. 31(2):237-249 1036-9872 https://hdl.handle.net/10568/2030 https://doi.org/10.1071/RJ09010 en Limited Access p. 237-249 CSIRO Publishing Rangeland Journal
institution CGIAR
collection DSpace
country Francia
countrycode FR
component Bibliográfico
access En linea
databasecode dig-cgspace
tag biblioteca
region Europa del Oeste
libraryname Biblioteca del CGIAR
language English
topic water resources
vegetation
land degradation
water resources
vegetation
land degradation
spellingShingle water resources
vegetation
land degradation
water resources
vegetation
land degradation
Descheemaeker, Katrien
Raes, Dirk
Nyssen, Jan
Poesen, J.
Haile, M.
Deckers, J.
Changes in water flows and water productivity upon vegetation regeneration on degraded hillslopes in northern Ethiopia: a water balance modelling exercise
description PLE
format Journal Article
topic_facet water resources
vegetation
land degradation
author Descheemaeker, Katrien
Raes, Dirk
Nyssen, Jan
Poesen, J.
Haile, M.
Deckers, J.
author_facet Descheemaeker, Katrien
Raes, Dirk
Nyssen, Jan
Poesen, J.
Haile, M.
Deckers, J.
author_sort Descheemaeker, Katrien
title Changes in water flows and water productivity upon vegetation regeneration on degraded hillslopes in northern Ethiopia: a water balance modelling exercise
title_short Changes in water flows and water productivity upon vegetation regeneration on degraded hillslopes in northern Ethiopia: a water balance modelling exercise
title_full Changes in water flows and water productivity upon vegetation regeneration on degraded hillslopes in northern Ethiopia: a water balance modelling exercise
title_fullStr Changes in water flows and water productivity upon vegetation regeneration on degraded hillslopes in northern Ethiopia: a water balance modelling exercise
title_full_unstemmed Changes in water flows and water productivity upon vegetation regeneration on degraded hillslopes in northern Ethiopia: a water balance modelling exercise
title_sort changes in water flows and water productivity upon vegetation regeneration on degraded hillslopes in northern ethiopia: a water balance modelling exercise
publisher CSIRO Publishing
publishDate 2009
url https://hdl.handle.net/10568/2030
https://doi.org/10.1071/RJ09010
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AT raesdirk changesinwaterflowsandwaterproductivityuponvegetationregenerationondegradedhillslopesinnorthernethiopiaawaterbalancemodellingexercise
AT nyssenjan changesinwaterflowsandwaterproductivityuponvegetationregenerationondegradedhillslopesinnorthernethiopiaawaterbalancemodellingexercise
AT poesenj changesinwaterflowsandwaterproductivityuponvegetationregenerationondegradedhillslopesinnorthernethiopiaawaterbalancemodellingexercise
AT hailem changesinwaterflowsandwaterproductivityuponvegetationregenerationondegradedhillslopesinnorthernethiopiaawaterbalancemodellingexercise
AT deckersj changesinwaterflowsandwaterproductivityuponvegetationregenerationondegradedhillslopesinnorthernethiopiaawaterbalancemodellingexercise
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