Bio-diversity in the Bliesgau Biosphere Reserve

The term biodiversity or biological diversity refers to the variety of life on Earth.
This is not just a matter of biodiversity among species but of the genetic diversity within a species and the diversity of ecosystems.
The National Natural Landscapes, to which the Biosphere Reserve in Bliesgau belongs, are intended to help preserve this diversity. Today, around 30% of Germany's total surface area of is classified as a National Natural Landscape. Included among the National Natural Landscapes in Germany are 14 national parks, 15 biosphere Reserves and around 100 natural parks.

 

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Large Blue                                                                      Yellow Rattle

hese protective measures are important because the total number of species globally has declined by around 40% in the last 30 years. This does not just have an impact on the tropical rain forests. A dramatic decline has also been observed in Germany.
It is not just natural ecosystems and species that are affected, but agricultural biodiversity is also being threatened.
The term agricultural biodiversity is understood as the variety of cultivated plants and domestic animals, as many breeds of domestic animals are threatened today. 84 % of the cattle population of Germany belongs to one of a total of only four breeds, despite there are 100 different breeds of cattle in Europe.
For this reason the German federal government decided on a “National Strategy for Biological Diversity” in 2007 and declared 2010 the year of biological diversity in order to draw public attention to the threats to this diversity.


In the context of biodiversity, one also speaks of so-called hot spots, meaning areas or biotopes that evince an especially high number of species.
In Bliesgau, the semi-arid limestone grasslands and orchid meadows are especially rich in species, or are home to especially precious, rare species. This is also true of old orchard meadows.

 

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