Case Studies
OPTAIN : Schwarzer Schöps [Germany]
The Schwarzer Schöps case study is located in the East of Germany.
OPTAIN : Tetves [Hungary]
The study site is the sub catchment of Tetves, is considered a priority area in terms of water protection. The size of the study site is 68 km2.
OPTAIN : Upper Zglowiaczka River Basin [Poland]
The case study is located in the north central Poland, in Kuyavian-Pomeranian province. The catchment area is about 150 km2.
OPTAIN: Dotnuvélè River Basin [Lithuania]
Dotnuvėlė river basin covers 192.7 km2. Four reservoirs are situated in the area: near Mantviliškis, Akademija, Dotnuva and near Kėdainiai.
OPTAIN: Sävjaan river catchment [Sweden]
Sävjaån catchment is a lowland mixed land use catchment characteristic of central Sweden.
Órbigo River ecological status improvement, Spain
Órbigo River (Duero Basin, NW Spain) ecological status improvement.
Oroklini wetland restoration in Cyprus
Oroklini Lake lies near Larnaca within Oroklini village. The wetland was modified in the mid-1940s to promote desiccation for health reasons.
Permaculture water-retention project near Travo, Province of Piacenza, Italy
On a 1.2 ha hillside near Travo (Piacenza), a privately funded permaculture retrofit in 2024 installed a contour-based water retention system to re
Pilot Site #1: Réunion Island (FR)
French outermost island with abundant but unevenly distributed water resources, ageing infrastructure and relatively high household bills under pro
Pilot Site #2: Brenta (IT)
River basin in the Veneto region (Italy) where drinking water for over 1.5 million people and irrigation for intensive agriculture rely mainly on g
Pilot Site #3: Figueres (SP)
Medium-sized Mediterranean city in Alt Empordà (Catalonia) with high-quality drinking water mostly supplied by the Boadella reservoir, but exposed
Pilot Site #4: West Country (UK)
Large coastal and rural region in South West England with extensive river networks, high-value bathing waters and increasing pressure from climate
Pilot Site #5: Middle Tisza (HU)
Low-lying agricultural region in the Hungarian Great Plain, where the Tisza River and Lake Tisza face recurrent floods, intensifying droughts and g
Polder management near Altenheim, Germany
Ecological flooding has been implemented in a polder area near Altenheim, Germany, as part of the Integrated Rhine Programme (IRP).
Pollution Treatment on the Glinščica, Slovenia
Installed in 2006 by Limnos Ltd., the innovative ecoremediation (ERM) system on a polluted tributary of the Glinščica combines a sedimentation pond
Positive long-term effect of mulching on a nutrient-poor mountain meadow, Czechia
This case study reports a 13-year management experiment on an oligotrophic mountain meadow in Šumava National Park, Czech Republic.
Preservation of floodplain forests, Slovakia
DANUBE FORESTS, coordinated by BROZ and funded by the LIFE programme, preserves the remaining floodplain forests of the Slovak Danube inland delta
Rain gardens for the Day Brook, UK
A rain garden was installed along the verges of a residential road in Nottingham, England.
Reconstruction and modernization of existing and construction of new reservoirs and ponds in rural areas of Poland
The Polish governmental agreement on water retention in small‑scale infrastructures was signed in 1995 to improve the structure of the water balanc
Reconstruction of the hedgerow on the Léguer basin
The Léguer River catchment is one of the most hedged areas in Brittany, but has suffered a decline in its hedgerow mesh as a result of agricultural
Reconstruction of the Lepiku channel in Tallinn's Botanic Garden, Estonia
Reconstruction of the Lepiku channel that is a part of the drainage system, which starts from the new residential area next to the Tallinn Botanic
Reconstruction within the Sur Fen Nature Reserve, Slovakia
Reconstruction of dams and sluice gates, blocking of drainage ditches and creation of a hydrological network to route water from the Little Carpath
Recovery of dried out communities in Slovakia
Integrated rainwater retention was applied to recover degraded landscapes and local climate in north-eastern Slovakia, using small check dams, rete
Regenerative Agriculture Practices in Upper Thames, United Kingdom
Sponge Scapes case study UK 07
Regenerative agriculture aims to improve the sponge function of the soil.