Ecological restoration of ecosystems

The City of Milan intends to carry out a functional intervention in the valley of Ticinello for the strengthening of the environmental matrix and of the structural characteristics aimed at improving the ecological connection. The project, which aims to contribute to the valorisation, strengthening and conservation of the natural heritage, as well as expand local biodiversity, through the realization of terrestrial and aquatic ecosystems, is necessary for the realization, development and enhancement of large-scale ecological corridors already identified by the instruments of territorial planning (1).

The reserve is a biodiversity hot-spot within Cardiff Bay. The reedbed and other aquatic plants, are very productive vegetation and a habitat for birds. Prior to the construction of the Cardiff Bay Barrage, it was made up of mudflats and salt marsh. (Ref 1) The site was chosen by Cardiff Harbour Authority to create a new environment and compensate in part for the loss of the mudflats which were submerged after completion of the Cardiff Bay Barrage. Floating timber structures serve as breeding areas for birds, an underwater bund prevents wave erosion, and a boom keeps out waterborne debris (Ref 5).

In 2015, 20,000 British Pounds have been raised to help wildlife in the Elba Park in Sunderland. The funding was granted to create new habitat for priority species in Shiney Row in Elba park. Community groups and schools were one of the major parts of the project. People were engaged to enhance their learning experience. This project was partly crowd-funded (Ref 1).

The project aimed to improve the Owler Beck riverbody catchment in Wakefield. Data collected by the Environment Agency revealed that the Owler Beck catchment is struggling to achieve the 'good ecological status' needed in order to meet the European Water Framework Directive. This is likely due to years of alterations that have removed the diversity of the environments and left the watercourse silty. The project aimed to address these issues by working on the priority sites along the river. A multi-phased scheme had been designed to relieve these pressures and deliver benefits for both people and wildlife across the catchment. (Ref. 1) The project is completed as of 2019 with 200m of river reach length covered in the catchment area. (Ref 7)

“The Blooming Meadows project aimed to create a network of wildflower meadows across the West Yorkshire landscape [5 districts, including sites managed by Wakefield Council]. In the UK grasslands are one of our most vital habitats, supporting one fifth of all species listed as 'of conservation concern' (known as priority species) - the most supported by any habitat. Sadly, the UK has lost 97% of its wildlife-rich grasslands since the 1940s. Yorkshire Wild Trust worked to create blooming meadows which support some of the wildlife mentioned above across West Yorkshire.” (Ref. 1, 2)

The Restoration of degraded wetlands in Wolfschlugen (in the administrative district of Stuttgart) was conducted within the wider regional level of sustainable urban development to enhance resilience, protect the city from flooding, support sustainable development, and safeguard biodiversity. Ditches and craters line the 700 metres long and 50 - 70 metres wide strip of landscape northeast of the development boundary behind the Wolfschlugen forest cemetery. This is formed by the Riederwiesen, which absorb water to protect the place from flooding. The wetland should protect people at least during a so-called hundred-year flood and at the same time offer animals and plants a habitat. (ref 3, 11)

Bute Park is a riverside green spot with an arboretum and gardens, containing a broad range of ecosystems supporting a wide variety of living species (ref 4). The historic Mill Leat had been dry since the 1970s."The word "leat" refers to "an open watercourse conducting water to a mill". The Mill Leat sits on the same site as a former millpond at the end of the original medieval millstream. It supplied water to corn mills located to the south of the Wst Gate and contained water well into the 1970s." (Ref 10) .Mill Leat Restoration or the re-flooding of the dry water body was a major deliverable under the Bute Park Restoration project (ref 2). In 2013 the overgrown channel was excavated, lined and refilled with water as part of the Bute Park Restoration Project (Ref 2). It enhanced the character of the park and provided a new habitat for wildlife (ref 1). Now re-flooded, Mill Leat is self-contained, self-regulating and self-circulating. It has reduced the risk of flooding and created a sustainable water feature (ref 2).

The project introduces an urban park in the place of a formerly derelict area and a landfill, located by the river valley of Bystrzyca. The park would increase access to the green recreational area in the city, which is a part of a longer-term plan to make the river’s banks citizen-friendly and easily accessible. The initiative includes: clearing the land and planting greenery, construction of the 'sensory' garden for the youngest users, building walking and cycling paths and infrastructure adjusted to people with disabilities, as well as installation of the nesting boxes, feeders and insect hotels [1].

"Anglers Country Park (and a local nature reserve) is dominated by a lake, surrounded by grassland, woodland and a wetland area." "This originally farmed landscape was dramatically changed when it became one of the deepest opencast mines in Europe, reaching a depth of 250 feet." Restoration work began after the mine closed, creating the country park. (Ref. 1, 2)

After its abandonment by the British military in 2012, the development of a new utilization concept and plan for the former military base in Gremmendorf was encouraged by the city’s planning department. Intensive citizen participation efforts were identified and ideas conceptualized, followed by an architectural competition based on which the spatial development plan was elaborated. The plan, which is currently being developed further by the winning architecture bureaus in coordination with the spatial development authority, intends the development of an attractive living quarter as a "garden town" with several green and sustainable drainage elements (Ref. 1 and 5).