Ehrleshalden quarry

	Ehrleshalden quarry nature reserve IUCN Category IV - Habitat / Species Management Area
location	Herbolzheim , Emmendingen district , Baden-Württemberg , Germany
surface	6.5 ha
Identifier	3,175
WDPA ID	165689
Geographical location	48 ° 14 ' N , 7 ° 47' E Coordinates: 48 ° 13 '56 " N , 7 ° 46' 45" E
Sea level	from 170 m to 240 m
Setup date	17th December 1990
administration	Regional council Freiburg

The Ehrleshalden quarry is a nature reserve in the natural area of the Lahr - Emmendinger- Vorberge in Baden-Württemberg . It is a secondary biotope with high biological diversity ; a habitat for endangered animal and plant species and a valuable geological outcrop .

geography

The nature reserve is located on the edge of the foothills in the area of the municipality of Herbolzheim in the district of Emmendingen in Baden-Württemberg. It is located between Ringsheim in the north and Herbolzheim in the south and borders on federal highway 3 in the west .

Characteristics

The area was designated as a nature reserve by ordinance on December 17, 1990 and is listed under the protected area number 3.175 at the Freiburg Regional Council. It has an area of 6.5 hectares and is classified in IUCN Category IV, a biotope and species protection area. The WDPA ID is 165689 and corresponds to the European CDDA code and the EUNIS no.

The main protection purpose “is the preservation of the quarry area as

valuable geological outcrop ,
Area of high biological diversity with endangered communities,
Habitat of several animal and plant species that are endangered in their population. "

history

In the quarry, lime was extracted from the brown Jura until the 1970s and burned in a local lime works . The limestone used to be the source of the Benedictines in Ettenheimmünster .

geology

Steep wall

In this thickness and size, the quarry is a seldom occurring main roe rock formation and in Germany is limited to the area of the Upper Rhine . It is considered a geological window into the history of the earth. Relay fractures can still be seen on the lower level of the fracture clod landscape. The up to 30 meters high and partly weathered rock walls have numerous crevices, niches and holes. There are also steep walls made of loess , rubble heaps made of boulders and slopes made of loess clay from which spring water escapes. A thick layer of loess can be seen above the wall of the quarry.

Flora and fauna

flora

Scabiosa knapweed ( Centaurea scabiosa )

Above the edge of the quarry, in the semi-arid grassland area, there are various plant species , such as B. the mountain hair strand , the Dost and the common sorrel . From the orchid family, the orchid orchid , swallowwort , scabiosa knapweed and willow-leaved elephant grow here .

fauna

From the family of snakes have smooth snake and from the family of real lizards , the sand lizard habitat in the sunny scree slopes and embankments. The steep walls offer nesting sites for peregrine falcons . Numerous holes in the steep, sunny loess walls are densely populated by insects such as wild bees and wasps . Birds find their habitat in the bushes and forests that have formed on the terraces .

Individual evidence

↑ Profile of the nature reserve in the LUBW's list of protected areas
↑ Map services of the Federal Agency for Nature Conservation ( information )
↑ § 3 Protection Ordinance of the Freiburg Regional Council of December 17, 1990, accessed on March 26, 2013

↑ ^a ^b Section for nature conservation and landscape management: nature reserves in the Freiburg administrative region . Ed .: Regional Council Freiburg. 3. Edition. Thorbecke, Ostfildern 2011, ISBN 978-3-7995-5177-9 , pp. 292-293 .

literature

Nature Conservation and Landscape Management Unit: Nature reserves in the Freiburg administrative region . Ed .: Regional Council Freiburg. 3. Edition. Thorbecke, Ostfildern 2011, ISBN 978-3-7995-5177-9 .

Web links

Commons : Ehrleshalden quarry - Collection of images, videos and audio files

Profile of the nature reserve in the LUBW's list of protected areas

[NSGSteckbrief-1] Profile of the nature reserve in the LUBW's list of protected areas

[DE_BFN-Karten-2] Map services of the Federal Agency for Nature Conservation ( information )

[3] § 3 Protection Ordinance of the Freiburg Regional Council of December 17, 1990, accessed on March 26, 2013

[NSGRegFR-4] Section for nature conservation and landscape management: nature reserves in the Freiburg administrative region . Ed .: Regional Council Freiburg. 3. Edition. Thorbecke, Ostfildern 2011, ISBN 978-3-7995-5177-9 , pp. 292-293 .