Rohrsee (bird sanctuary)

Bird sanctuary (SPA) "Rohrsee"
location	Bad Wurzach , Ravensburg District , Baden-Württemberg , Germany
WDPA ID	555537945
Natura 2000 ID	DE-8125-441
Bird sanctuary	110.524 ha
Geographical location	47 ° 52 '  N , 9 ° 50'  E Coordinates: 47 ° 52 '27 "  N , 9 ° 50' 13"  E
Sea level	from 662.2 m to 671.6 m ( ø 667.0 m)
Setup date	November 20, 2007
administration	Regional Council Tübingen
particularities	FFH area nature reserve

The Rohrsee area is a European bird sanctuary (protected area identifier DE-8125-441) in the Baden-Württemberg district of Ravensburg in Germany, which was designated by ordinance of November 20, 2007 of the Tübingen regional council .

location

The approximately 110 hectare “Rohrsee” bird sanctuary is located at an average altitude of 667  m above sea level. NN , around six kilometers southwest of the city center of Bad Wurzach , between the districts of Rohrbach in the east and Rohr in the south and the Molpertshaus belonging to Wolfegg in the west. It surrounds the Rohrsee , which gives it its name , a still water body formed in a dead ice hole around 16,000 years ago at the end of the last cold period .

description

The area is described as "a natural eutrophic groundwater lake without runoff, several small islands and an inflowing stream, a smaller natural eutrophic lake and silted vegetation with sedges and reeds in the predominantly adjacent grassland".

Habitat classes

Mixed forest			2%
Moist and mesophilic grassland			11%
Inland waters, standing and flowing			50%
Meliorated grassland			36%
Different farmland			1 %

meaning

The “Rohrsee” bird sanctuary is a resting area of ​​international importance, one of the last areas with breeding season for the bittern in Baden-Württemberg and an important breeding area for the great reed warbler , black-necked grebe , black-headed gull , little bittern and various species of ducks .

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.

Bittern ( Botaurus stellaris )

bittern

Preservation of the natural and near-natural wetlands such as river valleys and floodplains, the shallow water zones in standing and weakly flowing waters as well as the floodplains, the reed beds and reed stands with open water areas, the habitats without sources of danger such as non-bird-safe overhead lines and wind turbines, maintenance of long reed-water boundary lines how they come about through bays, reed islands and open water ditches as well as smaller free water areas within the reed beds, maintenance of a water quality that ensures good visibility for prey, preservation of the food supply, especially with fish, amphibians, small mammals, large insects, reptiles and worms as well as conservation undisturbed or at least undisturbed resting and sleeping areas as well as wintering and feeding areas.

Black- headed Gull ( Ichthyaetus melanocephalus )

Black-headed gull

Preservation of waters with shallow water and siltation zones as well as loosened reed stands, gravel islands or peninsulas, wetlands and grassland in river plains and floodplain landscapes, pioneering to early successional stages at the breeding grounds, preservation of black-headed gull colonies and undisturbed or at least low-disturbance breeding sites from March 1st until July 31st.

Little bittern ( Ixobrychus minutus )

Little bittern

Preservation of the shallow silting zones at lakes, ponds and slowly flowing waters, the richly structured reed beds and large sedge beds as well as reed stands, which can also contain individual bushes, preservation of long reed bed-water boundary lines such as those created by bays, reed islands and open water ditches as well as smaller free water areas come about within the reed beds, of secondary habitats such as abandoned mining sites with the aforementioned habitats, maintenance of a shallow overflow of the reed beds in the breeding areas during the entire breeding season (1 May to 15 September), a water quality that ensures good visibility for prey capture, conservation the food supply with small fish species and juvenile fish as well as aquatic insects and smaller amphibians as well as the maintenance of undisturbed or at least undisturbed reproduction sites during the breeding season.

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.

Great Reed Warbler ( Acrocephalus arundinaceus )

Great Reed Warbler

Preservation of the water-based reed beds with adjacent open water areas, in particular reeds with different age structures and stable stalks, maintenance of long reed bed-water boundary lines such as those created by bays, reed islands and open water ditches as well as smaller free water areas within the reed beds, of secondary habitats such as rain overflow basins the aforementioned habitats, maintenance of the food supply, in particular with larger insects, and maintenance of undisturbed or at least undisturbed breeding sites during the breeding season (May 1 to August 31).

Curlew ( Numenius arquata )

Great curlew

Preservation of spacious, open and uncut cultivated landscapes without visible barriers, of grassland, in particular of extensively used meadows, of temporally differentiated uses in low-lying meadow complexes, of wet soil conditions with soft, pageable subsoil, of high groundwater levels, preservation of near-natural moors, preservation of the sedges, the Habitats without sources of danger such as overhead lines and wire fences, preservation of the food supply, especially with insects, worms and smaller vertebrates, as well as maintenance of undisturbed or at least undisturbed breeding sites during the breeding season (February 1 to August 31).

Teal duck ( Anas querquedula )

Teal duck

Preservation of the eutrophic vegetation-rich shallow water lakes, small bodies of water and ditches carrying water, the meadow areas and swamps flooded during the breeding season, the silted areas with reed beds, sedge beds and shallow water zones, preservation of undisturbed or at least undisturbed breeding or moulting sites during the breeding and rearing season (April 15 to 15 September) and moulting (15 June to 15 September), preservation of the slowly flowing brook in the estuary area with shallow water zones and preservation of secondary habitats such as rain overflow basins with the aforementioned habitats.

Pochard ( Netta rufina )

Pochard 

Preservation of shallow water lakes or zones with aquatic plant occurrences, in particular chandelier algae and pondweed plants, the silting areas with reed beds, sedge beds and shallow water zones, preservation of sufficient water quality for aquatic plant occurrences, preservation of secondary habitats such as shallow, vegetation-rich ponds, maintenance of a water regime without strong water level fluctuations during breeding and breeding Rearing season (April 15 to September 15) and maintenance of undisturbed or at least low-disturbance breeding or moulting sites during the breeding and rearing season and the moult (June 1 to September 15).

Common teal ( anas crecca )

Teal

Preservation of the eutrophic vegetation-rich shallow water lakes, small bodies of water and wet meadow ditches carrying water, the slow-flowing waters with shallow water zones, the vegetation-rich moor lakes, the silted areas with reed beds, sedge beds, water-bearing wood, silt areas and shallow water zones, preservation of secondary habitats such as abandoned mining sites as well as conservation with the aforementioned habitats or at least poorly disturbed breeding or moulting sites during the breeding and rearing season (March 15 to August 31) and the moult (July 1 to September 30).

Black-necked Grebe ( Podiceps nigricollis )

Black-necked Grebe

Preservation of the shallow water lakes, the silting zones with reed beds and sedges, preservation of secondary habitats such as rain overflow basins with the aforementioned habitats and preservation of undisturbed or at least undisturbed breeding sites during the breeding season (April 15 to August 15).

Pochard ( Aythya ferina )

Pochard

Preservation of the shallow water lakes with rich bank vegetation and large open water areas as well as the weakly flowing ditches and the brook with rich bank vegetation, the silting areas with reeds, sedge or rush stands, the open shallow water zones, preservation of secondary habitats such as rain overflow basins with the aforementioned habitats and preservation of undisturbed or at least low-disturbance Breeding and moulting sites during the breeding and rearing season (April 15 to October 15) and the moult (July 1 to September 15).

Water rail ( Rallus aquaticus )

Water rail

Preservation of standing water with shallow water zones, flowing water sections and water ditches with covered bank vegetation, reeds and moors with at least small open water areas, covered silted areas with shallowly flooded reed beds, large sedge beds and bank bushes, habitats without sources of danger such as overhead lines, preservation of secondary habitats such as abandoned quarries with the aforementioned habitats as well as maintenance of undisturbed or at least low-disturbance breeding sites during the breeding season (March 15 to September 15).

Little Grebe ( Tachybaptus ruficollis )

Little Grebe

Preservation of at least partially covered still waters, wet meadow ditches, slow-flowing brooks and meadow ditches, siltation zones with reed beds such as reeds, bulrushes, swaths of water or reed grass, maintenance of a water quality that guarantees good visibility for prey, preservation of secondary habitats such as abandoned peat cuttings Habitat and maintenance of undisturbed or at least undisturbed breeding sites during the breeding season (February 15 to September 15).

Connection with other protected areas

With the “Rohrsee” bird sanctuary, the FFH area “ Wurzacher Ried und Rohrsee ” (8025-341) and the “ Rohrsee ” nature reserve (4.013) are designated as contiguous protected areas.

See also

• List of EU bird sanctuaries in Baden-Württemberg

literature

• Heine, Bommer, Hölzinger, Lang, Ortlieb: The bird world of the Rohrsee nature reserve "Vogelfreistätte Rohrsee", district of Ravensburg - Series: Ornithological annuals for Baden-Württemberg, Volume 17, special issue 2001.

Web links

• Ordinance, data evaluation sheet and map in the profile of the SPA area in the LUBW's protected area directory
• Regional Council Tübingen (Ed.): Management plan for the FFH area 8025-341 "Wurzacher Ried and Rohrsee" and the bird protection areas 8025-401 "Wurzacher Ried" and 8125-441 "Rohrsee" . edited by M. Broghammer. (279 p., Baden-wuerttemberg.de [PDF]).

Individual evidence

1. ↑ Top25 Viewer - [Top. Map 1: 25000 Baden-Württemberg (South)]
2. ↑ Profile of the SPA area in the protected area directory of the LUBW , with "Bird Protection Area Ordinance Annex 1"