]> 2026-04-10T21:41:30+00:00 Case study:The Upper Raba River Spawning Grounds 500 en Approved 2.5 2 - 5 m 60 more than 50 m Swiss Contribution to the Enlarged European Union Association own sources Yes No Yes false NThe Upper Raba River Spawning Groundsn Erosion control by submerged weirs at raba River.JPG NThe Upper Raba River Spawning Groundsn landscape at raba River.JPG The Upper Raba River Spawning Groundsn Erosion control The Upper Raba River Spawning Groundsn landscape No 49.8299678,19.9583308 Arolam The Upper Raba River Spawning Grounds Project The Upper Raba River Spawning Grounds Project ,, ,,, 1353 2016-12-01Z 2457723.5 2012-01 2455927.5 In progress The Raba River is located in southern of Poland and is one of the tributaries of the River Vistula. The restoration was carried out as the aim of reinforcing the corridor boundaries without a disturbing the river channel. The objective of the restoration was to increase retention of flood water avoiding regulation and bank reinforcement, conserving the river habitats and their connectivity focusing on river subjectivity, its features and needs in objective to attain a quasi-natural state of the valley. Steps and progress of the restoration (technical work)? Erodible corridor on the stem river; Decommissioning of check dams on two tributaries; Monitoring and maintenance of riffles as the features controlling channel conveyance - Discovered good restoration practices (i.e. techniques, methods, practices)? Preparation of the guidelines ‘Possible technical and biological interventions in mountain river maintenance’ for river managers Expected results: - Changes in hydromorphological, biological or physico-chemical elements of the watercourse after restoration? Increased habitat heterogeneity in the stem river and tributaries; Enhanced storage of bed material improving the spawning conditions for fish; Re-establishing the longitudinal connectivity of the tributaries; Reduced maximum summer temperatures of the river water; Improved condition of fish populations; Reduced occurrence of invasive alien plant species in the riparian area - Other results (awareness-raising, land purchase, payment for ecosystem services, etc.)? Raising the environmental awareness among river managers and local inhabitants; Arresting and reversal of the tendency to channel incision, in the long-term allowing to re-establish the conditions of geomorphic dynamic equilibrium; Increased retention of flood water in the river reach within the erodible corridor; Re-establishing the formation of early successional stages of riparian plant communities The Upper Raba River Spawning Grounds the upper raba river spawning grounds No The Raba River the Vistula River basin The Raba River the raba river The Raba River the raba river 644 100 - 1000 km² The Raba River Habitat and biodiversity 500 - 1000 k€ The Raba River 2012-09-06T06:42:53Z 2456176.7797801 2013-09-06T17:54:23Z 2456542.2460995 The Upper Raba River Spawning Grounds 500 1 plainlist 5 [[Category:Case study]] [[Project title::!The Upper Raba River Spawning Grounds]] [[Subcatchment title::The Raba River]] The Upper Raba River Spawning Grounds# QUERY1642a24a46c10990b655f17aaa9d66c3