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General photos of the Guadalentín basin, illustrating a number of aspects of desertification.
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Tractor ploughing
Location of the Guadalentín drainage basin in Spain<br>

Location of Guadalentín
Erosion assessments for the Guadalentin basin based on the Inventario Nacional de Erosion de Suelos (DGCONA, 2002). Data are only available for the Murcia region. Other regions (i.e. Almeria) are expected to follow soon.

Occurrence of gully erosion
The Guadalentín drainage basin in south-eastern Spain represented on a "false colour" satellite image.

Guadalentin drainage basin, Spain
Satellite image of the Torrealvilla catchment, subcatchment of the Guadalentín drainage basin.<br>

Torrealvilla catchment, Spain
Rainfall characteristics in the Guadalentín based on mean annual rainfall in the period 1971-2000. The station data used for this map were provided by the Instituto Nacional de Meteorología. The R factor was calculated according to Renard and Freimund (1994).

Rainfall characteristics
Potential evapotranspiration in the Guadalentín based on mean annual rainfall and temperature in the period 1971-2000. The station data used for this map were provided by the Instituto Nacional de Meteorología.

Potential evapotranspiration
Aridity Index in the Guadalentín defined as the ratio between mean annual rainfall and potential evapotranspiration (UNESCO, 1979), in the period 1971-2000. The station data used for this map were provided by the Instituto Nacional de Meteorología.

Aridity index
CORINE 2000 land use map of the Guadalentín basin. This map was extracted from the CORINE map of Spain, published by the European Environment Agency.

CORINE 2000 land use map
Overview of the main aquifers within the Guadalentín basin.

Aquifers
Overview of the municipalities within the Guadalentín basin.

Municipalities
Overview of the main study areas and the type of studies performed in the Guadalentín basin during the last decades.

Overview of study areas
Erosion assessments for the Guadalentín basin based on the Inventario Nacional de Erosion de Suelos (DGCONA, 2002). Data are only available for the Murcia region. Other regions (i.e. Almeria) are expected to follow soon.

Erosion assessments
Erosion assessments for the Guadalentin basin based on the Inventario Nacional de Erosion de Suelos (DGCONA, 2002). Data are only available for the Murcia region. Other regions (i.e. Almeria) are expected to follow soon.

RUSLE soil loss estimates
Soil erosion assessments for the Guadalentín basin extracted from the PESERA soil erosion map of Europe (Kirkby et al., 2004). <br>

PESERA soil erosion assessments
Images of the Valdeinfierno and Puentes reservoir in 2004 (Photos by J. de Vente).

Reservoirs
Erosion assessments for the Guadalentin basin based on the Inventario Nacional de Erosion de Suelos (DGCONA, 2002). Data are only available for the Murcia region. Other regions (i.e. Almeria) are expected to follow soon.

Potential for bank erosion
Images of the Valdeinfierno reservoir in 2004 (Photos by J. de Vente).

Valdeinfierno reservoir #2
Erosion assessments for the Guadalentin basin based on the Inventario Nacional de Erosion de Suelos (DGCONA, 2002). Data are only available for the Murcia region. Other regions (i.e. Almeria) are expected to follow soon.

Potential for mass movements
Images of the Puentes reservoir in 2004 (Photos by J. de Vente).

Puentes reservoir
Levelled land for lettuce plantation in the Torrealvilla catchment, August 2007 (Photo by J. de Vente).

Levelled land
Field with young almond trees (© Joris de Vente, 2007)<br>

Young almonds
Almond trees on steep slopes (© Joris de Vente, 2007)<br>

Almonds & steep slopes
Pig farm (© Joris de Vente, 2007)<br>

Pig farm
Pig (© Joris de Vente, 2007)

Pig
Farmer ploughing his almond field in Sierra de Torrecilla (© Joris de Vente, 2007)

Ploughing
Reforestation on terraces, Sierra de Torrecilla (© Joris de Vente, 2007)

Reforestation 1
View over the reforestation on terraces in the Sierra de Torrecilla (© Joris de Vente, 2007)

Reforestation 2
Soil with a high stone cover (© Joris de Vente, 2007)

Stone cover
Gully development and piping in the footslopes of the Sierra de Torrecilla (© Joris de Vente, 2007)

Gully development
Channel bank protection (© Joris de Vente, 2007)

Bank protection
View over the upper Guadalentín (© Joris de Vente, 2007)

Upper Guadalentín
Recently installed check dam (© Joris de Vente, 2007)

Check dam 1
Check dam under construction (© Joris de Vente 2007)<br>

Check dam 2
Land levelled for crops (© Joris de Vente 2007)

Levelled land 1
Sheep grazing on a lettuce field (© Joris de Vente 2007)

Sheep & lettuces
Sheep grazing on a cabbage field (© Joris de Vente 2007)

Sheep & cabbages
Highly mechanised irrigated agriculture (© Joris de Vente 2007)

Irrigated agriculture
Levelled but abandoned land (© Joris de Vente 2007)

Abandoned land
Terraced almond fields in the Sierra de la Tercia (© Joris de Vente 2007)

Terraced almonds
Marginal cereal and almond field (foreground), highly irrigated lettuce and grape fields (background) (© Joris de Vente 2007)

Marginal & irrigated land
Levelled land for cereal fields (© Joris de Vente 2007)

Levelled land 2

Map of Alagueces site
Standing salty water in a rambla, near Torrealvilla (© Joris de Vente 2007)

Salt water

Location of Guadalentin basin
Salt crust (© Joris de Vente 2007)

Salt crust

Map of Torrealvilla within Guadalentin basin

Map of Torrealvilla site

Map of Transect A
Cereal fields (© Joris de Vente 2007)

Cereal fields 1
Cereal fields and shrubland on hillslope (© Joris de Vente 2007)

Cereals & shrublands

Map of Transect B
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Acknowledgement

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The DESIRE project was 
co-funded by the 
European Commission, 
Global Change and 
Ecosystem.
 
Contract no: 037046 GOCE

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and non-governmental organisations. 

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