What do the gentian, golden pied butterfly and blue gentian have in common?
They are all threatened with extinction and live in the Bairawieser Moor.
That was recently renatured.
Bad Tölz-Wolfratshausen - With a share of eleven percent, the district is one of the regions in southern Bavaria with the most bogs.
District office, municipalities and environmental associations are extremely active in renaturing the moors.
Another project has recently been completed: As area supervisor Birgit Weis reports, the four hectares of the Bairawieser Moor in the Zellbachtal have been restored to their natural state, i.e. rewetted.
16 peat dams installed, trees removed
The work was carried out relatively quickly.
“They took place in January and February under almost ideal conditions,” says Weis.
Due to frost, the top layers of peat were frozen, so it was possible to work gently.
The implementation took place on areas of two private owners, the Isartalverein as well as on areas of the district and the state association for bird protection (LBV).
Specifically, 16 massive peat dams were built into the existing trenches and peat cuttings and trees were removed from the damming area.
Moors are, so to speak, the kidneys of our landscape "
Birgit Weis
This is another important contribution to climate protection.
"Moors are valuable water reservoirs, they hold water like a sponge in the landscape and can buffer extreme weather conditions such as heavy rain or even longer periods of drought," says Weis.
“Moors are the kidneys of our landscape, so to speak.” They also store an enormous amount of carbon in the soil.
“Although they only make up three percent worldwide, they store twice as much carbon as all forests on earth.” Not to be forgotten is the bog as a habitat: the highly specialized, weakly competitive species would have no chance of survival outside the bogs.
Almost 100 threatened species on the Red List live in the Zellbach Valley
The 130 hectare nature reserve Zellbachtal is the youngest of its kind in the district, it was designated as such in 2002.
Almost 100 endangered species on the Bavarian Red List were found there.
The endangered species include lung gentian, the golden piebald butterflies and blue gentian.
The bush birch, a shrub-shaped miniature birch that is a relic of the Ice Age, also occurs here.
Around 1920 the Bairawieser Moor was largely untouched.
At that time, black grouse could even be seen in the open areas.
During this time deep drainage ditches were dug in the raised bog and the peat was extracted by hand.
Industrial peat extraction did not take place.
The mining ended in the middle of the 20th century, and bushes and afforestation began on the drained bog sites.
The LBV took over the management of the area in 2006 after the idea of a landfill was dropped.
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