european soil protection policy - navarra.es
TRANSCRIPT
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EUROPEAN SOIL PROTECTION
POLICY
Miguel Donézar Díez de Ulzurrun
Agrarian Resources Evaluation
Section
Pamplona, February 08
Pamplona, February 08
1.- INTRODUCTION
2.- SOIL DEGRADATION PROCESSES
3.- PICTURES SHOWING EXAMPLES
4.- OBJECTIVES OF EU DIRECTIVE
5.- CONCLUSIONS
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Pamplona, February 08
•Necessity for Soil Protection
•Human activity vs natural processes
•Other effects of Soil Degradation
•Immediate European Directive
1.- INTRODUCTION
2.- SOIL DEGRADATION PROCESSES
• Erosion
• Organic matter decline
• Contamination
• Sealing
• Compaction
• Loss of biodiversity
• Salinization
• Flooding and landslides
Pamplona, February 08
8 types of soil threats.
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Some natural processes are more intensive in arid lands.
Erosion
Pamplona, February 08
Water erosion in cropped arid lands. It’s evident too the
scarcity of organic matter in the surface layer of the soil
ErosionPamplona, February 08
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Loss of the superficial layer in an agricultural field. In this
case, erosion goes together with soil compaction.
Erosion
Pamplona, February 08
Effects of soil erosion in a cropped field. The gullies
have been built up in one year.
ErosionPamplona, February 08
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Soil ContaminationPamplona, February 08
Contaminated site near an industrial area.
Soil ContaminationPamplona, February 08
Acumulation in a field of different kinds of wastes
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Loss of good agricultural lands because the expansion of
urban, industrial and infraestructural areas.
Sealing
Pamplona, February 08
Pamplona 1929
Sealing
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Pamplona 2006
Sealing
Pamplona, February 08
Tudela 1956
SealingPamplona, February 08
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Tudela 2006
SealingPamplona, February 08
The landscape becomes very homogeneous and
monotonous because of agricultural practice.
Loss of biodiversity
Pamplona, February 08
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Salinization usually goes together with bad
drainage conditions.
SalinizationPamplona, February 08
Problems in the roads
FloodingPamplona, February 08
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Water runs with a lot of sediments.
Flooding
Pamplona, February 08
Mass movements are more frequent in soils without vegetation
Landslides
Pamplona, February 08
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Mass movements can damage roads too
Landslides
Pamplona, February 08
Pamplona, February 08
•Stop soil degradation and improve its health
•Inventory of affected areas
•Define targets for risk areas
•Establish a Soil Monitoring System
4.- OBJECTIVES OF EU DIRECTIVE
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Pamplona, February 08
•Soil health is threatened by human activity
•Soil is a non-renewable resource and must
be protected
•Several land use policies are involved
5.- CONCLUSIONS