Biologische Station Witten
A non-profit biological station in Witten, Germany, dedicated to nature conservation, species research, and environmental education in the middle Ruhr valley.
Last updated September 28, 2026
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Overview
The Biologische Station Witten is a biological station operated by the Naturschutzgruppe Witten – Biologische Station e.V. (NaWit), a non-profit conservation association based in Witten, Germany. It is a member of the Landesgemeinschaft Naturschutz und Umwelt NRW (State Association for Nature Conservation and Environment of North Rhine-Westphalia). The station serves as a local hub for nature conservation, scientific research, and public environmental education in the middle Ruhr valley. The organisation traces its origins to 1972, when unaffiliated conservation activities began in Witten, including the protection of breeding sites for jackdaws and kestrels and the prevention of the expansion of the Muttenbach stream. In November 1979, the Naturschutzgruppe Witten e.V. was formally founded as a non-profit association. Its early goals included preserving biodiversity, protecting native animals and plants, and promoting nature and environmental awareness. In 1985, the city of Witten provided the former administration building of the Imberg quarry to the group, where the Biologische Station Witten was established. The association then became known as Naturschutzgruppe Witten – Biologische Station e.V. (NaWit). In 2005, NaWit was a founding member of the umbrella association of biological stations in North Rhine-Westphalia. Since January 2023, the station has been located in the listed building Alte Fähre on the Ruhr at Ruhrstraße 117. The station's work is organised around four main tasks: nature conservation research, practical conservation, public relations, and landscape protection. Research activities include systematic surveys of flora and fauna, particularly bats, dragonflies, butterflies, grasshoppers, birds, amphibians, and reptiles. Waterbird counts, floristic and vegetation surveys in protected areas, biotope mapping, and monitoring of specific species are conducted. The station also performs spring mapping and water body investigations in the city area, and prepares expert reports for authorities. The collected data are digitally processed and contribute to supra-regional and national distribution atlases and research projects. Practical conservation work includes the creation and maintenance of small water bodies, toad protection measures during spawning migration, meadow mowing, pollarding of willows, installation of nest boxes for bats, songbirds, and owls, removal of invasive species such as giant hogweed and Himalayan balsam, planting of hedges, and care of old orchard meadows. As a district contact point for the Landesgemeinschaft Naturschutz und Umwelt NRW, NaWit can submit statements on construction planning and important projects affecting nature and landscape protection. Members serve as honorary landscape wardens and on landscape advisory boards. Public relations activities include nature education, media coverage of local conservation issues, and offering adult education courses, lectures, and guided tours. An annual publication reports on current conservation work and event schedules. The station also maintains a nature garden, organises plant exchanges, and participates in projects such as stork conservation, nest boxes for cavity breeders, and orchard meadows with apple juice production. The association is supported by memberships, donations, and sponsorships, and is active in local events and awards, such as the Heimatpreis 2021 of the city of Witten.
History
The Biologische Station Witten is operated by the Naturschutzgruppe Witten – Biologische Station e.V. (NaWit), a non-profit association founded in November 1979. However, its roots go back to 1972, when unaffiliated conservation activities began in Witten. These early efforts included securing breeding sites for jackdaws and kestrels in the rocks below the Hohenstein and preventing the expansion of the Muttenbach stream. In November 1979, the Naturschutzgruppe Witten e.V. was formally established as a non-profit association. Its founding goals were the preservation of biodiversity, the protection of native animals and plants, and the promotion of nature and environmental awareness. In its early years, the association participated in significant conservation policy tasks, such as commenting on the draft landscape plan for Witten and contributing to the planning for the construction of the Kemnader reservoir. From 1979 onwards, the association's work programme included the creation and optimisation of small water bodies, pollarding of willows, and the installation and monitoring of nest boxes, especially for the highly endangered owl species, the little owl and the barn owl. In subsequent years, protection activities and maintenance work on wet meadows, orchard pastures, and fallow land were added. In 1985, the city of Witten took over the former administration building of the Imberg quarry after its operations ceased and made it available to the Naturschutzgruppe Witten. The Biologische Station Witten was established in this building. The association was renamed Naturschutzgruppe Witten – Biologische Station e.V. (NaWit). With funding from the city and the state, NaWit renovated the building and set up an office, a small laboratory, a library, a workshop, and an exhibition room. In 2006, the former quarry was transformed into an adventure playground with a climbing park and mountain bike trail. In 2005, NaWit was one of the founding members of the umbrella association of biological stations in North Rhine-Westphalia (Dachverband der Biologischen Stationen in NRW). Since January 2023, the biological station has been located in the listed building Alte Fähre on the Ruhr at Ruhrstraße 117. The station continues to operate as a centre for conservation research, practical conservation, public relations, and landscape protection, serving as a district contact point for the Landesgemeinschaft Naturschutz und Umwelt NRW.
- 2023
Biologische Station moves to the listed building Alte Fähre at Ruhrstraße 117 in January.
- 2006
Former quarry is transformed into an adventure playground with climbing park and mountain bike trail.
- 2005
NaWit becomes a founding member of the umbrella association of biological stations in North Rhine-Westphalia.
- 1985
City of Witten provides the former Imberg quarry administration building; Biologische Station Witten is established there.
- 1979
Naturschutzgruppe Witten e.V. is founded as a non-profit association in November.
- 1972
Unaffiliated conservation activities begin in Witten, including protection of jackdaw and kestrel breeding sites and prevention of Muttenbach stream expansion.
Products and positioning
A community-based, non-profit conservation organisation providing scientific expertise and practical nature protection in the middle Ruhr valley.
Nature conservation research and monitoring
Systematic surveys of flora and fauna, including bats, dragonflies, butterflies, grasshoppers, birds, amphibians, and reptiles; waterbird counts; biotope mapping; expert reports.
Practical conservation work
Creation and maintenance of small water bodies, toad protection, meadow mowing, pollarding, nest box installation, invasive species removal, hedge planting, orchard meadow care.
Environmental education and public relations
VHS courses, lectures, guided tours, annual publication, media coverage of local conservation issues.
Landscape protection and advocacy
Statements on construction planning, participation in environmental committees, honorary landscape wardens.
Apple juice from orchard meadows
Product from NaWit's orchard meadow project.
Sources6 sources
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