Case study:Restoration of riparian zone in Aragon River

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Location: 42° 20' 1", -1° 41' 50"
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Project overview

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Status Complete
Project web site http://www.gavrn.com/areas/biodiversidad/biodiversidad_rios-vison-life-gerve.aspx
Themes Habitat and biodiversity, Land use management - agriculture, Social benefits
Country Spain
Main contact forename Fernando
Main contact surname Mendoza
Main contact user ID
Contact organisation Gestión Ambiental Viveros y Repoblaciones de Navarra, S.A.
Contact organisation web site http://www.gavrn.com
Partner organisations
Parent multi-site project
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encompassing the following
projects
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Project picture

Project summary

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The Soto of El Estajado has an area of 64 hectares. The main surface was occupied by old black poplar plantations and little bad conserved areas of Community Interest Areas 92A0 and 92D0. The area was used for inappropriate cattle. The actuation area limits with an important community of European mink (Mustela lutreola). The actuations are aimed at preserving this protected species. The main objective of this project is to increase the quality of habitat in Community Interest Areas, with special attention to European mink (Mustela lutreola). There are other secondary objectives: Creating new habitats for otter (Lutra lutra) and turtle (Emys orbicularis); quality improvement of habitats 92A0 (willow and black poplar plantation) and 92D0 (tamarisk plantation); spatial planning for cattle; restore the natural riparian vegetation in Aragon River. The project has a total budget of 152.948,34€ and is financed by GERVE-LIFE project, INTERREG GIRE project, "Gestión Ambiental, Viveros y Repoblaciones de Navarra, S.A." and Government of Navarre.

Construction new habitats for otter (Lutra lutra) and European turtle (Emys orbicularis).

Monitoring surveys and results

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Lessons learnt

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Image gallery


Map of the area of action
Action taken
Artificial pond created in the area
Bank restoration along the artificial pond created in the area
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Catchment and subcatchment

Catchment

River basin district Ebro
River basin Aragón

Subcatchment

River name Aragón
Area category 1000 - 10000 km²
Area (km2)
Maximum altitude category 200 - 500 m
Maximum altitude (m) 350 m
0.35 km
35,000 cm
Dominant geology
Ecoregion Ibero-Macaronesian
Dominant land cover Extensive agriculture
Waterbody ID



Other case studies in this subcatchment: Creation and restoration of a riparian zone


Site

Name "Soto de El Estajado", Municipality of Caparroso
WFD water body codes
WFD (national) typology
WFD water body name
Pre-project morphology Sinuous
Reference morphology Sinuous
Desired post project morphology
Heavily modified water body
National/international site designation
Local/regional site designations Natura 2000
Protected species present
Invasive species present
Species of interest
Dominant hydrology
Dominant substrate
River corridor land use
Average bankfull channel width category
Average bankfull channel width (m)
Average bankfull channel depth category
Average bankfull channel depth (m)
Mean discharge category
Mean annual discharge (m3/s)
Average channel gradient category
Average channel gradient
Average unit stream power (W/m2)


Project background

Reach length directly affected (m)
Project started 2005/08/01
Works started
Works completed 2006/12/01
Project completed
Total cost category 100 - 500 k€
Total cost (k€) 152 k€
152,000 €
Benefit to cost ratio
Funding sources Government of Navarra, Gestión Ambiental, Viveros y Repoblaciones de Navarra S.A., LIFE GERVE

Cost for project phases

Phase cost category cost exact (k€) Lead organisation Contact forename Contact surname
Investigation and design
Stakeholder engagement and communication
Works and works supervision Gestión Ambiental, Viveros y Repoblaciones de Navarra S.A.
Post-project management and maintenance
Monitoring



Reasons for river restoration

Mitigation of a pressure
Hydromorphology Channel pattern/planform, Structure & condition of riparian zones
Biology
Physico-chemical
Other reasons for the project High quality habitat for European mink (Mustela lutreola)


Measures

Structural measures
Bank/bed modifications New bioengineering elements in order to stabilize slope banks
Floodplain / River corridor Habitat creation, Restoring riparian vegetation
Planform / Channel pattern
Other
Non-structural measures
Management interventions Improve forest management and agricultural
Social measures (incl. engagement)
Other


Monitoring

Hydromorphological quality elements

Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative
Channel pattern/planform Yes Yes Yes Improvement
Structure & condition of riparian zones Yes Yes Yes Improvement

Biological quality elements

Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative

Physico-chemical quality elements

Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative

Any other monitoring, e.g. social, economic

Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative
High quality habitat for European mink (Mustela lutreola) Yes Yes Yes Improvement


Monitoring documents



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Additional links and references

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Supplementary Information

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