Untersee of Lake Constance (bird sanctuary)

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Bird sanctuary
"Untersee of Lake Constance"
The Untersee near the island of Reichenau

The Untersee near the island of Reichenau

location Allensbach , Gaienhofen , Konstanz , Moos , Öhningen , Radolfzell am Bodensee , Reichenau , and Singen , district of Konstanz , Baden-Württemberg , Germany
Identifier DE-8220-401
WDPA ID 555537952
Natura 2000 ID DE8220401
Bird sanctuary 59.153 km²
Geographical location 47 ° 42 '  N , 9 ° 1'  E Coordinates: 47 ° 42 '10 "  N , 9 ° 1' 10"  E
Untersee of Lake Constance (bird sanctuary) (Baden-Württemberg)
Untersee of Lake Constance (bird sanctuary)
Sea level from 395 m to 408 m
Setup date November 20, 2007
administration Regional council Freiburg
f6

The area Untersee of Lake Constance is a by ordinance of 20 November 2007 of the Regional Council of Freiburg been instructed European bird sanctuary (reserve identifier DE-8220-401) in the area of Lower Lake , part of Lake Constance , in the south of the German state Baden-Wuerttemberg .

location

The approximately 5,915 hectare (ha) protected area "Untersee des Bodensee" is part of the natural area of the Lake Constance basin and Hegau . About 27 percent of it is in the municipalities of Allensbach (72.3 ha), Gaienhofen (265.6 ha), Moos (208.1 ha), Öhningen (147.3 ha) and Reichenau (237.5 ha) as well as the Cities of Constance (265.8 ha), Radolfzell on Lake Constance (222.2 ha) and Singen (155.8 ha); around 73 percent is accounted for by the water surface of the Untersee.

description

The protected area is described as a “large shallow lake with periodic silt areas, mighty reed beds, alluvial debris, gravel banks, sedge beds, whistle grass meadows, extensive grassland, semi-arid grassland and remnants of both soft and hard wood meadows”.

Habitat classes

Non-forest areas with wooden plants, scrub, etc.
  
1 %
Mixed forest
  
1 %
Moist and mesophilic grassland
  
1 %
Inland waters, standing and flowing
  
78%
Bogs, swamps, vegetation on the banks
  
8th %
Meliorated grassland
  
9%
Different farmland
  
2%

meaning

The protected area with outcrops of the oligocene and Miocene molasses as well as evidence of the development of land use from the Middle Ages to the present day is a resting area of ​​international importance, the most important breeding area for the great reed warbler, small moorhen, teal duck, pochard, black-necked and little grebes in Baden-Württemberg and one of the most important breeding areas for bog ducks, bittern and other species .

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.

Common tern ( Sterna hirundo )

Preservation of near-natural lakes with gravel and gravel banks or alluvial sand islands, preservation of a water quality that guarantees good visibility for prey, preservation of nesting opportunities, of secondary habitats such as abandoned mining sites with open gravel islands, preservation of the food supply with small fish species and juvenile fish as well as preservation of undisturbed or at least low-disturbance Breeding sites during the breeding season from April 1st to September 30th.

Gray woodpecker ( Picus canus )

Preservation of richly structured light deciduous and mixed deciduous forests with open areas for feeding, of alluvial forests, of extensively cultivated orchards, preservation of poor grasslands, poor hay meadows or cattle pastures, preservation of edge strips, rain areas, embankments and lined, stepped forest edges, of old wood islands and old wood islands , especially of standing dead wood, preservation of trees with large caves and the food supply.

Little Moorhen ( Porzana parva )

Preservation of unused water-borne reed beds and large sedge areas with water-side kinked layer areas, habitats without sources of danger such as overhead lines, preservation of overflowing habitats during the entire breeding season (April 1 to September 15), preservation of secondary habitats such as abandoned mining sites with the aforementioned habitats and conservation undisturbed or at least low-disturbance breeding sites during the breeding season.

Moor duck ( Aythya nyroca )

Preservation of the eutrophic, vegetation-rich shallow water lakes, the vegetation-rich bog lakes, the silted areas with reed beds, floating plant and shallow water zones, preservation of secondary habitats such as shallow, vegetation-rich pools as well as preservation of undisturbed breeding sites during the breeding season from January 1st to October 15th.

Night heron ( Nycticorax nycticorax )

Night heron with prey

Preservation of dense bank vegetation and tree populations suitable for nesting, preservation of the existing gray heron colonies, preservation of secondary habitats such as abandoned mining sites with the aforementioned habitats, preservation of the food supply with amphibians, small fish species and young fish populations as well as small mammals as well as maintenance of undisturbed or at least undisturbed breeding sites from April 1st until September 15th.

Red- backed shrike ( Lanius collurio )

Preservation of extensively managed orchards, grassland and heathland areas, of low and medium hedges from native species, in particular thorn or prickly wooded trees, preservation of litter meadows and open bog edges, preservation of individual trees and bushes in the open landscape, of field lines, grass paths, Ruderal and perennial corridors and fallow land, field and meadow margins, secondary habitats such as abandoned mining sites with the aforementioned habitats and maintenance of the food supply, especially with larger insects.

Bittern ( Botaurus stellaris )

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.

Marsh harrier ( Circus aeruginosus )

Preservation of silting zones, reed beds and large sedge beds, wet meadow complexes, in particular with litter meadows or extensively used wet meadows, habitats without sources of danger such as non-bird-safe overhead lines and wind turbines, preservation of grass and shrub fringes, secondary habitats such as abandoned mining sites or at least the aforementioned habitats and conservation low-disturbance breeding sites during the breeding season from March 15th to September 15th.

Black- headed Gull ( Ichthyaetus melanocephalus )

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.

Black kite ( Milvus migrans )

Preservation of diversely structured cultural landscapes, of sparse forests, in particular alluvial forests, of field trees, large individual trees and rows of trees in the open landscape, grassland, islands of old wood and old, large-crowned trees with free approach, especially near the forest edge, preservation of natural flowing and still waters, conservation of trees with clumps, of habitats without sources of danger such as non-bird-safe overhead lines and wind turbines as well as maintenance of undisturbed or at least undisturbed breeding sites during the breeding season from March 1st to August 15th.

Spotted Moorhen ( Porzana porzana )

Preservation of silting zones with low-flooded varied herbaceous vegetation such as in transition zones between reed beds and large sedge beds, in the bank area of ​​extensive reed stands and in flooded wet meadows, the habitats without sources of danger such as overhead lines, maintenance of a flat overflow of the habitats during the entire breeding season (15 March to 15 March) August), preservation of secondary habitats such as waterlogging peat cuttings and drainage ditches with strips of reeds, sedge bulbs and a loose herbaceous layer as well as preservation of undisturbed or at least undisturbed breeding sites during the breeding season.

Corn Corn ( Crex crex )

Preservation of structurally rich and extensively used grassland, in particular with litter meadows or wet meadows, moulting and alternative places such as grass, reed and perennial borders, fallow land, individual low shrubbery and field hedges, of forms of cultivation with late mowing from August 15, of fresh up to wet soil conditions, preservation of habitats without sources of danger such as overhead lines, the food supply, especially with insects, snails and earthworms, as well as maintenance of undisturbed or at least undisturbed breeding sites during the breeding season from April 15 to August 15.

Little bittern ( Ixobrychus minutus )

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.

Tree falcon ( Falco subbuteo )

Preservation of light forests with bordering open landscapes, of old trees and islands of old wood, of overhangs, of field trees or groups of trees in fields or along waterways, of extensively used grassland, of waterways with structurally rich bank areas and silting areas, of nesting opportunities such as crow's nests, of the food supply, in particular with small birds and large insects as well as undisturbed or at least undisturbed breeding sites during the breeding season from April 15 to September 15.

Common Common Snipe ( Gallinago gallinago )

Preservation of wet meadow complexes, in particular with litter meadows or extensively used wet meadows, near-natural moors, the silting areas of stagnant waters with light reeds or sedge beds, habitats without sources of danger such as overhead lines, preservation of temporarily flooded depressions, wet arable fields and ditches that constantly carry water. , Reed and perennial borders as well as maintenance of undisturbed or at least undisturbed breeding sites during the breeding season from February 15th to August 15th.

Tasmanian tit ( Remiz pendulinus )

Preservation of floodplains, of pronounced herbaceous layers and typical climbing plants of the floodplain forests such as hops and clematis, of secondary habitats such as abandoned mining sites with the aforementioned habitats, conservation of the swamps with their forests, the bank areas of the waters with reeds, bushes and white willow stands or other trees with drooping branches as well Preservation of undisturbed or at least undisturbed breeding sites during the breeding season from March 15th to July 31st.

Great Reed Warbler ( Acrocephalus arundinaceus )

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).

Lapwing ( Vanellus vanellus )

Preservation of spacious open cultivated landscapes, pastures, poor meadows with patchy vegetation structure, fallow grassland, arable land with late vegetation development and adjacent grassland, flood troughs, occasionally flooded depressions and wet arable areas, preservation of extensively used wet meadow complexes, natural and natural maintenance of river plains undisturbed or at least undisturbed breeding sites during the breeding season from February 1st to August 31st.

Teal duck ( Anas querquedula )

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 )

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 )

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).

Shoveler ( Anas clypeata )

Preservation of the eutrophic, vegetation-rich shallow water lake, the small bodies of water and wet meadow ditches carrying water, preservation of the silting areas with reed beds, sedge beds, silt areas and shallow water zones as well as preservation of undisturbed or at least undisturbed reproduction and moulting sites during the breeding and rearing season (April 15 to September 15 ) and the moult (July 15 to September 15).

Reed Warbler ( Acrocephalus schoenobaenus )

Preservation of water bodies with extensive silting zones, the Großseggenriede as well as wet but not extensively flooded, loose reed beds with a pronounced herbaceous layer and individual bushes, preservation of secondary habitats such as abandoned mining sites with the aforementioned siltation zones, preservation of the food supply - especially with insects, as well as preservation of trouble-free or at least low-disruption sites the breeding season from April 1st to July 31st.

Black-necked Grebe ( Podiceps nigricollis )

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).

Stonechat ( Saxicola rubicola )

Preservation of heaths and moors, reeds and litter meadows, preservation of roads and fields, fringing strips, embankments, smaller field trees, unpaved field paths, marginal and old grass strips as well as fallow areas, of isolated bushes, tall perennials, cairns and other than hunting, Structures suitable for sitting and singing areas, secondary habitats such as abandoned mining sites with the aforementioned habitats, and maintenance of the food supply, in particular with insects and spiders.

Pochard ( Aythya ferina )

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 )

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).

Yellow wagtail ( Motacilla flava )

Preservation of a mosaic of arable land with various crops, preservation of the silting zones on bodies of water, preservation of edge structures at usage boundaries such as grass, reed and perennial borders at the edges of paths and fields, but also of fallow land, of temporally differentiated uses in grassland, of isolated bushes, Tall perennials and other structures suitable for hunting, sitting and singing stations, secondary habitats such as abandoned mining sites with the aforementioned habitats, as well as maintaining the food supply, in particular with insects.

Little Grebe ( Tachybaptus ruficollis )

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 bird sanctuary "Untersee des Bodensee" the following, related protected areas are designated:

See also

Web links

Commons : Untersee  - 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”.