Case study:Bird reserve “Riet Vell” (Tarragona): Difference between revisions

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Latest revision as of 12:11, 25 February 2020

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Location: 40° 40' 8.55" N, 0° 46' 15.38" E
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Project overview

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Status In progress
Project web site http://www.seo.org/reservas-ornitologicas/
Themes Environmental flows and water resources, Habitat and biodiversity, Land use management - agriculture, Social benefits, Spatial planning
Country Spain
Main contact forename Cristina
Main contact surname Sánchez
Main contact user ID User:SEO BirdLife
Contact organisation SEO BirdLife
Contact organisation web site http://www.seo.org
Partner organisations SEO BirdLife, Riet Vell S. A.
This is a parent project
encompassing the following
projects
Project picture

Project summary

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The objective of the proyect was: 1) Stablish sustainable agricultural practiques and 2) Recovery of natural spaces.

Monitoring surveys and results

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Stablish crops of ecologic rice, regenerate habitats of wetlands enviroments, recover local vegetation and conserve aquatic birds. As a result, new natural spaces have been created and local vegetation and wildlife has recovered.

Lessons learnt

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The function of aquatic birds and local vegetation in this environment is very important, they stablish a ecological balance and they can provide a beautiful site for people. Furthermore, the installation of ecological rice has improved the enviromental flows.


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Catchment and subcatchment

Catchment

River basin district cuenca del ebro
River basin cuenca del ebro

Subcatchment

River name ebro
Area category
Area (km2) 0.060.06 km² <br />6 ha <br />
Maximum altitude category
Maximum altitude (m) 0.40.4 m <br />4.0e-4 km <br />40 cm <br />
Dominant geology Continental crast
Ecoregion Northeast Spain and Southern France Mediterranean forests"Northeast Spain and Southern France Mediterranean forests" is not in the list (Iceland, Tundra, Borealic uplands, Fenno-Scandian Shield, Great Britain, Ireland and Northern Ireland, Ibero-Macaronesian, Taiga, Central Plains, Baltic Province, ...) of allowed values for the "Ecoregion" property.
Dominant land cover Rice paddies, freshwater lagoon and salty lagoons
Waterbody ID



Other case studies in this subcatchment: Bird reserve “El Clot” (Tarragona), INTERREG MED WETNET – Management Plan for the Cañizar Lagoon (ARAGON)


Site

Name Riet Vell
WFD water body codes
WFD (national) typology Coastal waters
WFD water body name Lowland, calcareous or mixed, very small-small
Pre-project morphology Rice paddies and wetlands
Reference morphology Rice paddies and wetlands
Desired post project morphology
Heavily modified water body No
National/international site designation EU - Special Area of Conservation
Local/regional site designations Special Protection Zones for Birds (SPA)
Protected species present No
Invasive species present No
Species of interest Plegadis falcinellus, Limosa limosa, Porphyrio porphyrio, Calidris pugnax
Dominant hydrology Freshwater and brackish lagoons
Dominant substrate cast
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) 781781 m <br />0.781 km <br />78,100 cm <br />
Project started 1997/01/01
Works started
Works completed
Project completed
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Total cost (k€)
Benefit to cost ratio
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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
Post-project management and maintenance
Monitoring



Reasons for river restoration

Mitigation of a pressure
Hydromorphology
Biology Recover marshland vegetation structure and habitats, provide more habitats for nesting and stopover sites for migratory birds
Physico-chemical Decrease the impact of intensive agriculture (rice paddies)
Other reasons for the project


Measures

Structural measures
Bank/bed modifications
Floodplain / River corridor Stablish crops of ecologic rice, regenerate habitats of wetlands enviroments, recover local vegetation and conserve aquatic birds
Planform / Channel pattern
Other
Non-structural measures
Management interventions
Social measures (incl. engagement) Sensitization, awareness campaigns and elaboration of dissemination materials
Other Advice from farmers


Monitoring

Hydromorphological quality elements

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

Biological quality elements

Element When monitored Type of monitoring Control site used Result
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Physico-chemical quality elements

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Any other monitoring, e.g. social, economic

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


Monitoring documents



Additional documents and videos


Additional links and references

Link Description

Supplementary Information

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http://www.rtve.es/alacarta/videos/la-aventura-del-saber/aventura-del-saber-reservas-ornitologicas-delta-del-ebro-ii/1662706/