FEDER - INV - CEN NORMANDY SEINE - REGIONAL WETLAND MANAGEMENT WORKS 2019-2021
Kohesio
CONSERVATOIRE D ESPACES NATURELS DE NORMANDIE
Wetlands constitute remarkable natural habitats in Normandy. They are home to almost 40% of the bird species recorded in the region, but also 100% of amphibians and 100% of odonata. The flora, linked to these environments, is extremely rich. These environments are major reservoirs of biodiversity in Normandy and more generally in France. These environments have seen their surface area reduced considerably, more than 70% in around fifty years. The fauna and flora diversity of these humid biotopes is, in fact, seriously threatened. In addition, wet herbaceous areas have a natural tendency to gradually become wooded, which adds to the threat to many species linked to megaphorbias, wet meadows and reed beds. The wetlands of Croisy sur Andelle, Elbeuf sur Andelle and Mesnil Lieubray are home to the last reed beds in this valley. These environments are key to creating a vital ecological corridor for many avifaunal species. They are considered predominant as migratory axes in the Regional Ecological Coherence Scheme of the Normandy region. The CenNS has control of the use or land of wetlands in former Upper Normandy for which it ensures ecological management with the aim of preserving habitats, flora and fauna. Management documents on these 8 wetlands have been produced. These documents set out the different actions to be planned to achieve the objectives of conserving the biological integrity of each site managed by the Conservatory of Natural Spaces of Upper Normandy. Thus the Conservatory of Natural Spaces of Upper Normandy has set up a campaign in 2019 and 2020 of different ecological management operations on 8 wetlands over which it has use or land control. These operations will consist, mainly, of carrying out vegetation mowing actions in order to combat spontaneous afforestation, limit eutrophication and limit the development of invasive exotic species. In addition, actions will make it possible to establish or carry out extensive grazing in certain wetlands. Deforestation operations will also be carried out in very specific sectors of certain wetlands. Finally, several ponds will be dug in order to encourage the reception of Amphibians and Odonates. Several operations such as mowing and digging of ponds will be carried out under subcontracting.  the cutting operations (deforestation and maintenance of tadpoles will be carried out by the technical team of the Normandy Seine Natural Space Conservatory. This is made up of six natural space management technicians and a technical manager. They have suitable equipment to carry out this type of restoration work (brush cutters, chainsaws, etc.).
Greener, carbon-free Europe / Environment protection and resource efficiency / Protection and enhancement of biodiversity, nature protection and green infrastructure