Hohentwiel / Hohenkrähen

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Bird sanctuary
"Hohentwiel / Hohenkrähen"
The Hohentwiel

The Hohentwiel

location Hilzingen , Mühlhausen-Ehingen and Singen , Konstanz district , Baden-Württemberg , Germany
Identifier DE-8218-401
WDPA ID 555537951
Natura 2000 ID DE8218401
Bird sanctuary 150.41 ha
Geographical location 47 ° 46 '  N , 8 ° 49'  E Coordinates: 47 ° 46 '2 "  N , 8 ° 49' 5"  E
Hohentwiel / Hohenkrähen (Baden-Württemberg)
Hohentwiel / Hohenkrähen
Setup date November 20, 2007
administration Regional council Freiburg
particularities two areas
f6

The Hohentwiel / Hohenkrähen area is a European bird sanctuary (protected area identification DE-8218-401) in the south of the German state of Baden-Wuerttemberg, designated by ordinance of November 20, 2007 of the Freiburg Regional Council .

location

The approximately 150 hectares (ha) large reserve "Hohentwiel / Hohenkrähen" is one natural area to Hegau . The two sub-areas are located in the area of ​​the two communities Hilzingen (42.07 ha) and Mühlhausen-Ehingen (0.06 ha) as well as the city of Singen (108.29 ha) in the district of Constance , around the two eponymous former Hegau volcanoes " Hohenkrähen "( 644  m above sea level ) and" Hohentwiel "( 686  m above sea level ).

description

The protected area is described as a " geological document of the volcanic landscape in Hegau with oak-linden forest, dry grassland, occurrence of numerous thermophilic insect species and habitat of rare species of plants and animals threatened with extinction".

Habitat classes

Non-forest areas with wooden plants, scrub, etc.
  
15%
Deciduous forest
  
1 %
Mixed forest
  
42%
Meliorated grassland
  
30%
Heath, steppe, dry grass
  
6%
Inland rocks, rubble and rubble heaps, sandy areas
  
4%
Other (cities, roads, landfills, pits, industrial areas)
  
2%

meaning

The two faces of the protected area around the Phonolithkegel with slag Strip is one of the most important nesting areas for peregrine falcon and Zipped and fence bunting in Baden-Wuerttemberg.

Protection purpose

The area-related conservation objectives are described differently depending on the species .

Breeding birds

Breeding bird species that are listed in Appendix I of the Birds Directive and for which special measures are to be applied across Europe. A total of 39 species fall into this category in Baden-Württemberg.

Peregrine falcon ( Falco peregrinus )

Preservation of the open rock walls and quarries with caves, niches and ledges, preservation of habitats without sources of danger such as non-bird-safe overhead lines and unsecured chimneys as well as preservation of undisturbed or at least undisturbed breeding sites during reproduction in the period from February 15 to July 30.

Migratory birds

Other migratory bird species not listed in Appendix I that breed in the country and have been selected for the protected areas. A total of 36 species fall into this category in Baden-Württemberg.

Berg Laubsänger ( Phylloscopus Bonelli )

Preservation of light, tiered forest stands on warm, south-exposed, steeply sloping slopes with rock sections as well as rock rubble heaps or erosion sites with a sparse layer of shrubbery and abundant herbaceous layer, the steppe heath areas with sparse trees, changing layers of shrubbery and closed lawns during the breeding season, as well as trouble-free or at least disruptive areas April 15th and August 15th.

Bunting ( Emberiza cirlus )

Preservation of extensively used vineyards with dense groups of bushes or trees interspersed, of richly structured kitchen gardens and orchards, preferably on a sun-exposed hillside, of individually standing slim, tall trees and bushes, of unused marginal strips and dry edges, of smaller, occasionally fallow areas , cultivation methods that lead to soil with low and gaps in vegetation, fallow stubble as wintering areas and maintenance of the food supply, especially with insects for rearing young birds.

Zippammer ( Emberiza cia )

Preservation of sun-exposed natural rock formations, block and stone rubble heaps, preservation of clearings and pioneer forest stages on steep slopes exposed to the south to south-west, of early succession stages, of extensively used structurally rich steep vineyard slopes with sun-drenched dry stone walls or stone bars, preservation of a structural mosaic of areas with little vegetation, bushes, borders, Rocks and rubble heaps, maintenance of the food supply, especially with insects for the rearing of young birds, as well as the maintenance of undisturbed or at least undisturbed breeding sites during the breeding season (April 1 to August 15).

Connection with other protected areas

With the bird sanctuary "Hohentwiel / Hohenkrähen" the following, connected protected areas are designated:

The two sub-areas are surrounded by the landscape protection areas Hegau (3.35.004) and Hohentwiel (3.35.016).

See also

Web links

Commons : Hohentwiel / Hohenkrähen (EU bird sanctuary)  - collection of images, videos and audio files

Individual evidence

  1. Profile of the SPA area in the LUBW's list of protected areas , with “Bird Protection Area Ordinance Annex 1”.