Case study:Restoration of the marsh "Gallega": Difference between revisions

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|File name=016 Restauracion marisma Gallega CHGUADALQUIVIR 005.jpg
|Caption=Aerial view of Gallega marsh in October 2004
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|File name=016 Restauracion marisma Gallega CHGUADALQUIVIR 005 I.jpg
|Caption=Aerial view of Gallega marsh in 2007
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|File name=016 Restauracion marisma Gallega CHGUADALQUIVIR 005 II.jpg
|Caption=Gallega marsh from the FAO embankment
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|File name=016 Restauracion marisma Gallega CHGUADALQUIVIR 005 III.jpg
|Caption=Permeabilization works on the side wall
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|File name=016 Restauracion marisma Gallega CHGUADALQUIVIR 005 IV.jpg
|Caption=View of the drainage network in the marsh Gallega
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Revision as of 08:54, 22 January 2013

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Project overview

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Status Complete
Project web site
Themes
Country Spain
Main contact forename
Main contact surname
Main contact user ID
Contact organisation MARM
Contact organisation web site
Partner organisations
This is a parent project
encompassing the following
projects
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Project summary

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Monitoring surveys and results

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Lessons learnt

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Catchment and subcatchment

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(affects all case studies in this subcatchment)

Catchment

River basin district C.H.Guadalquivir
River basin Guadalquivir

Subcatchment

River name Guadiamar
Area category
Area (km2)
Maximum altitude category Less than 100 m
Maximum altitude (m) 2 m0.002 km <br />200 cm <br />
Dominant geology Calcareous, Silts and clays
Ecoregion Ibero-Macaronesian
Dominant land cover Wetland
Waterbody ID



Other case studies in this subcatchment: Design and Application of a Sustainable Soil Management Model for Orchard Crops in the Doñana National Park Area, Restoration of the marsh "Gallega"


Site

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Name Marisma Gallega
WFD water body codes
WFD (national) typology
WFD water body name
Pre-project morphology Marsh
Reference morphology Marsh
Desired post project morphology
Heavily modified water body
National/international site designation
Local/regional site designations Area of Special Conservation Interest
Protected species present
Invasive species present
Species of interest
Dominant hydrology Tidal
Dominant substrate Silt, Clay
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

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Reach length directly affected (m)
Project started 2005/01/01
Works started
Works completed 2005/11/01
Project completed
Total cost category 1000 - 5000 k€
Total cost (k€) 2746 k€2,746,000 € <br />
Benefit to cost ratio
Funding sources FEDER, MARM

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 C.H.Guadalquivir
Post-project management and maintenance
Monitoring



Reasons for river restoration

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Mitigation of a pressure Pollution incident
Hydromorphology Channel pattern/planform
Biology
Physico-chemical
Other reasons for the project


Measures

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Structural measures
Bank/bed modifications
Floodplain / River corridor
Planform / Channel pattern Restore the original morphology of the marsh, Reconnect and restore aquatic habitats
Other Permeabilize the side wall of the FAO
Non-structural measures
Management interventions
Social measures (incl. engagement)
Other


Monitoring

Hydromorphological quality elements

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

Biological quality elements

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

Physico-chemical quality elements

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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

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


Monitoring documents

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Image gallery


Aerial view of Gallega marsh in October 2004
Aerial view of Gallega marsh in 2007
Gallega marsh from the FAO embankment
Permeabilization works on the side wall
View of the drainage network in the marsh Gallega


Additional documents and videos

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Additional links and references

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Link Description

Supplementary Information

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