In the Dulbaum near Alsbach

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In the Dulbaum near Alsbach

IUCN Category IV - Habitat / Species Management Area

Nature reserve "Im Dulbaum bei Alsbach": former sand pit from the east (2020)

Nature reserve "Im Dulbaum bei Alsbach": former sand pit from the east (2020)

location Alsbach-Hähnlein , Darmstadt-Dieburg district , Hesse , Germany
surface 9.217 ha
Identifier 1432020
WDPA ID 163858
Natura 2000 ID DE6217303
Geographical location 49 ° 45 '  N , 8 ° 35'  E Coordinates: 49 ° 44 '54 "  N , 8 ° 35' 27"  E
In the Dulbaum near Alsbach (Hesse)
In the Dulbaum near Alsbach
Setup date November 25, 1994

In Dulbaum near Alsbach is a nature reserve in the Alsbach district , Alsbach-Hähnlein municipality in the Darmstadt-Dieburg district in southern Hesse . It was temporarily secured on November 3, 1992 and designated as a nature reserve by ordinance of November 25, 1994. Since January 16, 2008, it has also been protected as the Natura2000 area “Im Dulbaum bei Alsbach” (FFH area 6217-303).

location

The nature reserve is located in the Seeheimer Rinne natural area in the Hessian Rhine plain northwest of Alsbach. It covers an area of ​​9,217 hectares. Directly east bordering Rastanlage Alsbach the National Highway 5 on, otherwise it is surrounded by intensively farmed areas.

Protection purpose

The protection of the rare sandy and semi- arid lawns should be preserved. The calcareous drifting sands and heat-loving hedge fringes are habitats for numerous endangered plant and animal species. As maintenance goals, the sandy areas are to be kept open and agricultural use increased. The area is to be secured as a stepping stone in the biotope network of lime airframe sites on the Hessian Bergstrasse and the northern Upper Rhine Plain .

description

The protected area "Im Dulbaum bei Alsbach" belongs to the approximately 10 kilometer wide belt of drift sand dunes in the Rhine plain between Darmstadt and Rastatt . It is a former sand pit that has been recultivated in places with trees. Partial areas were used for arable farming until 1992, and since about 2000 the areas have been grazed extensively with sheep.

Flora and fauna

The habitat types “dry, calcareous sandy grasslands” and, in small areas, “sub-Pannonian steppe grasslands” occur in the area. Notable plant species are Sand-Radmelde , Sand-Sommerwurz , Sand-Thyme , Blue-green Schillergrass , Arable Black Cumin , Hair Awlgrass , Buck's Belt Tongue and Sand-Silberscharte . The heat-loving species in the area include sand lizards , blue-winged wasteland insects , western biters and common heather .

  • Sand lawn from the northwest, in the background the Melibokus rises (2020)

  • flowering sandy lawns from the west (2020)

  • Nature reserve with motorway service station, sandy lawn and forest area (2020)

Impairments

Nutrients and pesticides are brought in from the adjacent fields . Pollution and nutrient input also occur through the motorway service area, which is why a fence was drawn in the southern area in 2014. As a non-resident neophyte , the tree of the gods spreads in the middle, wooded part of the protected area under the high-voltage line.

See also

Individual evidence

  1. ↑ a b c Ordinance on the nature reserve "Im Dulbaum bei Alsbach" of November 25, 1994. PDF. State gazette for the state of Hesse, issue No. 52/1994, p. 3901, No. 902, accessed on July 17, 2020 .
  2. ↑ a b c d Management plan for the FFH area "Im Dulbaum bei Alsbach". PDF. Darmstadt Regional Council, July 14, 2015, accessed on July 17, 2020 .
  3. ↑ Map of the nature reserve. natureg.hessen.de, accessed on July 17, 2020 .

Web links

Commons : Nature reserve Im Dulbaum near Alsbach  - collection of images, videos and audio files