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Active protection of water-crowfoots habitats and restoration of wildlife corridor in the River Drawa basin in Poland (LIFEDrawaPL)
Date du début: 1 sept. 2014, Date de fin: 31 déc. 2019 PROJET  TERMINÉ 

Background The rivers Drawa, Grabowa and Radew are among the most important places in West Pomerania for water crowfoot (Ranunculus aquatilis), an aquatic plant at the eastern periphery of its range. It is a defining vegetation of the Natura 2000 network habitat type ‘water courses of plain to montane levels with the Ranunculion fluitantis and Callitricho-Batrachion vegetation’, which is listed in Annex I of the Habitats Directive. The lowland rivers characterised by this habitat type form one of the region’s most important wildlife corridors, but they are vulnerable to habitat degradation. In particular, barriers on rivers potentially impact fish and mollusc migration, and threaten the whole Drawa river drainage basin. Objectives The objective of the LIFEDrawaPL project is the active protection of lowland rivers in West Pomerania, including the Drawa, Grabowa, Radew and Korytnica. The project aims to improve river habitats, with the construction of fish spawning-grounds. The ultimate project goal is to positively affect biodiversity in the restored Drawa river wildlife corridor and its tributaries. The project’s specific actions, planned in Natura 2000 network sites and the Drawieński National Park, include: Conservation and improvement of Habitats Directive Annex 1 listed vegetation and habitat in five Natura 2000 sites; Reintroduction of opposite-leaved pondweed (Groenlandia densa); Removal of existing barriers, and hydrotechnical structure adjustments, in order to make upper-river areas more accessible to migrating species, such as river lamprey (Lampetra fluviatilis) and Atlantic salmon (Salmo salar); Enhancement of natural river reproduction for river lamprey, Atlantic salmon, European bullhead (Cottus gabio)and spined loach (Cobitis taenia); and Creation of educational tourism activities in the Drawa river drainage basin area. Expected results: Increase of 10% in water course habitat areas in the Radew, Grabowa and Korytnica rivers; Restoration of proper light conditions, by cutting shaded area to less than 70%, for water crowfoot in the project’s target rivers; Restoration of opposite-leaved pondweed in crowfoot river habitat on 18 river sectors; Reductions in river lamprey, Atlantic salmon, European bullhead and spined loach mortality to 80% below current levels in the Drawa river drainage basin; Increased social awareness about ecology and sustainable development; and Measures to direct canoeists away from the most ecologically-sensitive areas.

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