Case study:INTERREG MED WETNET - Membership card of the Verdier Marshes-Rhone Delta Wetland Contract

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Location: 43° 30' 9", 4° 45' 47"
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Project overview

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Status Complete
Project web site http://wetnet.interreg-med.eu
Themes Environmental flows and water resources, Social benefits
Country France
Main contact forename Lisa
Main contact surname Ernoul
Main contact user ID
Contact organisation TOUR DU VALAT
Contact organisation web site http://tourduvalat.org/en/
Partner organisations
Parent multi-site project
This is a parent project
encompassing the following
projects
No
Interreg Med Wetnet

Project summary

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The wetland contract process was beneficial to the Verdier marshes. With over ten years of community based management, the site has faced some important questions concerning water management and participation. The collaborative effort to create a shared vision that was validated by the members allowed us to address these questions. The fact that the shared vision includes aspects of natural water management, now allows us to adapt the water pumping for the site which impacts various activities including hunting, pasture management and bird watching. The shared vision sets the framework for all of the activities proposed in the action plan and thus sets the basis for the management plan. Given that the members of the Association are volunteers, a formal contract could not be signed, but to resolve this problem, each of the members signed the membership card with the shared vision and the action plan was validated by the board of the Verdier marshes which includes members of the Association and the Tour du Valat. The vision for the site was: A mosaic of wetlands that is representative of the natural environments typical of the Camargue and respectful of the natural water cycles. The site supports community engaged events that stimulate social links and well-being. The site, managed by a village association in a collective spirit and is freely accessible to all. The main activities included in the action plan were: • Maintain infrastructures so that they remain functional and appealing to the public (shed, tables, dry toilets, etc.). • Develop new artistic activities (drawing classes) • Continue control of invasive species; • Maintain the South dike • Respect the natural hydrological functioning of the South basin (rain fed) to favor the installation of a vegetation characteristic of temporary low-salt marshes and vegetation of salt meadows; • Edit a site and event program attached to a newsletter. • Add signage and interpretation on birds in the observatory; • Organize meetings with site users and children to discuss and promote local know-how; • Find referents and perpetuate monitoring in places (water levels, breeding birds, hunting boards, botany); • Ensure compliance with hunting regulations (ensure guarding) • Schedule a quarterly activities that take place over a weekend to mobilize people in professional activity and allow them to participate in construction sites; • Empower a referent for each task for the organization of workdays. He/she will have to inform all the members about the progress of the building sites; • Maintain the monthly meetings of the association.

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Catchment and subcatchment

Catchment

River basin district Rhône - Méditerranée
River basin Rhône-Mediterranean

Subcatchment

River name Verdier marshes
Area category Less than 10 km²
Area (km2)
Maximum altitude category
Maximum altitude (m)
Dominant geology
Ecoregion
Dominant land cover Coastal wetlands and lagoons
Waterbody ID



Other case studies in this subcatchment: MediCyn, Restoration of the Cassaire wetland (Rhôle delta), The Verdier marshes


Site

Name Verdier Marshes
WFD water body codes
WFD (national) typology
WFD water body name
Pre-project morphology
Reference morphology
Desired post project morphology
Heavily modified water body No
National/international site designation International - RAMSAR site
Local/regional site designations Ramsar, Important Bird Area, Unesco Man and Biosphere reserve, Site of Community Importance, Special Protection Area, Regional Natural Park
Protected species present Yes
Invasive species present No
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 2016/11/01
Works started
Works completed
Project completed 2019/10/31
Total cost category
Total cost (k€)
Benefit to cost ratio
Funding sources Project co-financed by the European Regional Development Fund

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
Physico-chemical
Other reasons for the project Landscape enhancement


Measures

Structural measures
Bank/bed modifications
Floodplain / River corridor Maintain the South dike; Respect the natural hydrological functioning of the South basin (rain fed) to favor the installation of a vegetation characteristic of temporary low-salt marshes and vegetation of salt meadows
Planform / Channel pattern
Other Add signage and interpretation on birds in the observatory
Non-structural measures
Management interventions Ensure compliance with hunting regulations (ensure guarding)
Social measures (incl. engagement) Develop new artistic activities (drawing classes); Organize meetings with site users and children to discuss and promote local know-how; Maintain the monthly meetings of the association
Other Continue control of invasive species; communication activities; monitoring activities


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

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


Monitoring documents



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Additional links and references

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Supplementary Information

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