Freiburg-Günterstal Arboretum

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Coordinates: 47 ° 58 '22.1 "  N , 7 ° 50' 33.7"  E

Overview map with the area of ​​the arboretum

The Arboretum Freiburg-Günterstal is located in Freiburg's southernmost district Günterstal and covers an area of ​​100  hectares at an altitude of 290 to 430  m above sea level. NN , it is an integral part of the urban forest and there belongs to the area of ​​the mountain forest. From an administrative point of view, it is located in its entirety in the Günterstal district of the Freiburg Forestry Office. In the area there is also the Waldhaus Freiburg , an environmental education center and with the sculpture trail that begins there in the Wonnhalde there is also space for art. For this arboretum there is the Friends of the Stadtwald-Arboretum Günterstal e. V. , who won the environmental award of the city of Freiburg in 2009. The arboretum is part of the landscape protection area Brombergkopf, Lorettoberg, Schlierberg and has been managed by the Freiburg Regional Council since April 24, 2006 under the protection area number 3.11.009. A special feature of the Freiburg Arboretum is that it is completely integrated into the normal forest and is not part of an organized botanical garden

Existence and purpose

Waldtraut vom Mühlwald , the tallest tree in Germany

The arboretum is used for forestry training, the expansion of biological knowledge for the general public and recreation. In addition, there is the search for tree and shrub species that are used for forestry and other uses, e.g. B. are suitable in medicine as well as the general conservation of species and the conservation of rare native species. It is not just about the naturalization of alien species, but also about the reintroduction of species that were once native here. The arboretum is set up and maintained by the Freiburg municipal forest office in cooperation with the Faculty of Forest and Environmental Sciences at the University of Freiburg . With 392 conifer species it is one of the most extensive gymnosperm collections in Germany. This also includes the highest officially measured tree in Germany, perhaps even on the continent, the Douglas fir "Waldtraut vom Mühlwald". It was placed in its current location in 1913 as a three-year-old plant and is therefore over 100 years old. Its height was 63.33 m in 2008 and the trunk circumference at the foot 300 cm (measured in 2008). It relegated a Douglas fir from Eberbach in the Odenwald to second place with 61.60 m. The heights were determined by a measurement team from the geodetic institute of the University of Karlsruhe on August 18, 2008. The tree grows an average of 30 cm per year. In March 2017, the forestry office determined the current height to be 66.581 m. The current measurement is from November 19, 2019, with a measured 67.18 m

The arboretum currently has a population of over 1300 different native and foreign tree and shrub species from five continents. It is made accessible to Freiburg's citizens and tourists through two circular hiking trails, the Wonnhalderundweg and the Sternwaldrundweg, as well as the Peace Path, where you can also find some special features such as the primeval sequoia , the scaly bark , the ginkgo and the long-lived pine . There are also five themed trails that are signposted and provided with information boards. These are native tree species in the Gewann Hölderle, tree species from all over the world in the Gewann Wonnhalde, North American tree species in the Sternwald, which is also suitable for wheelchair users, the healing effects of tree species on St. Lioba Weg and the Abietum , the fir path , the largest living collection of fir species in Germany many endangered species on the way to St. Valentin.

Since November 2014 there is another educational trail in the arboretum. It is called "Mycelium - the secret of mushrooms" and begins shortly behind the forest house in the same area as the forest people sculpture trail . It was created by the Freiburg Forestry Office, which, according to Hans Burgbacher, wants to close a gap in the subjects of the nature trails for the head of the office. The panels on the path provide information on many aspects of the mushrooms. For this path Thomas Rees carved the mushrooms and figures out of wood from moss forests. The central figure of the work of art “Hexenring” is a 4 m high mushroom whose 20 m² cap is covered with a special material so that mushrooms can thrive here.

history

At the end of the 19th century, various tree species , predominantly from America and Japan , began to be planted in the existing urban forest. On the bedrock made of gneiss there are predominantly humic, gravelly, deep brown soils, some of which are also well silted up. Together with the different slopes, the precipitation of 1000 mm / year and an average annual temperature of over 9 ° C, they form a good basis for growth. The first of the Douglas firs standing there today, for which the area is known today, were planted in 1896 on the Illenberg on snow break surfaces. Between 1901 and 1911, several hundred thousand different trees were planted in the city forest to test their suitability for use in this vegetation zone. From 1930, head forester Frank continued the concept and expanded it.

On September 8, 1989, the arboretum was officially founded by the former mayor Hansjörg Seeh, although it had been in operation since 1896.

In 2005, Angela Busch's diploma thesis “Conception for the Arboretum Günterstal (Freiburg i. Br.)” Was awarded the Sonja Bernadotte Medal for Garden Culture.

Hubertus Nimsch, the former district forester in Günterstal, is responsible for the initiation and current design as one of the most valuable of the 200 German arboretums, who made a decisive contribution to this even after his retirement.

On April 13, 2018, 18 young oaks from different continents were planted in the greenhouses of Hubertus Nimsch on an open area of ​​the arboretum in a joint action by the Freiburg Forestry Office, the local association Günterstal , and members of the association "Friends of the Stadtwald-Arboretum". With this final act, the 81-year-old withdrew from his work at the arboretum. The oaks from three continents - Asia, Europe and North America - are intended to show the diversity of the species, as the head of the Forestry Office Nicole Schmalfuß explained in her farewell speech, Nimsch.

  • Waldtraut vom Mühlwald

  • The tallest tree in Germany, with a lounger

  • The forest house front view

  • The deer fountain

  • The tree world (Thomas Rees) on the back of the forest house

  • The root head from the cycle WaldMenschen by Thomas Rees

  • The witch's ring (Thomas Rees) in the mycelium

See also

Web links

Commons : Arboretum Freiburg-Günterstal  - Collection of images, videos and audio files

Individual evidence

  1. ↑ Environment Prize of the City of Freiburg ( Memento from April 3, 2012 in the Internet Archive )
  2. ↑ Profile of the landscape protection area in the protected area directory of the LUBW
  3. ↑ Claudia Füßler: The Lord over the dream of all foresters , Zeit Online, November 24, 2011, accessed March 1, 2012
  4. ↑ Douglas fir: Pseudotsuga menziesii
  5. ↑ Freiburg Douglas fir is the tallest tree in the country , Joachim Röderer, Badische Zeitung, August 30, 2008, accessed October 29, 2013
  6. ↑ Freiburg Douglas fir with 63.33 m tallest tree in the country
  7. ↑ Now it's official: Germany's tallest tree is in Freiburg
  8. ↑ Germany's tallest tree and other Freiburg 100s Yvonne Weik, Joachim Röderer, Simone Höhl, Badische Zeitung, October 29, 2013, accessed October 29, 2013
  9. ↑ Douglas fir 'Waldtraut vom Mühlwald' in Günterstäler Stadtwald Monumental Trees, accessed April 5, 2018
  10. ↑ Freiburgs Waldtraut is the tallest tree in Germany , Simone Höhl, Badische Zeitung, March 21, 2017, accessed April 5, 2018
  11. ↑ With Waltraut on the wrong track , Anita Fertl, Badische Zeitung, June 21, 2020, accessed June 22, 2020
  12. ↑ Ancient sequoia: Metasequoia glyptostroboides
  13. ↑ Scaly bark fir also Himalayan fir: Abies squamata
  14. ↑ Gingko: Ginkgo biloba
  15. ↑ Long-lived pine also metusalem pine: Pinus aristata var. Longaeva
  16. ↑ a b The City Forest Arboretum (PDF; 420 kB)
  17. ↑ Follow us on a journey through the world of trees, Flyer, Städtisches Forstamt Freiburg (PDF; 3.1 MB)
  18. ↑ The wonderful world of mushrooms , Sebastian Krüger, Badische Zeitung, November 29, 2014, accessed on November 30, 2014
  19. ↑ Ulm University, Department of Biology
  20. ↑ http://www.biologie.uni-ulm.de/extern/guenterstal/#Geschichte
  21. ↑ Arboretum is 25 years old , bz, Badische Zeitung September 5, 2014, accessed on December 1, 2014.
  22. ↑ Sonja Bernadotte Medal for Garden Culture 2005 to forestry graduate Angela Busch ( Memento from March 2, 2016 in the Internet Archive ) Freiburg Landespflege retrieved on December 1, 2014
  23. ↑ Arboretum - forest museum with rarities from all over the world
  24. ↑ 18 new oaks for the arboretum in Günterstaler Wald , Christoph Giese, Badische Zeitung, April 14, 2018, accessed April 14, 2018