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180 dams provide new habitats: renaturation in Münsinger Filz is progressing

2020-11-25T22:56:08.090Z


The first extensive renaturation work was completed in the Münsinger Filz in autumn. The measures are part of a project by the District Office to restore and preserve the moorland.


The first extensive renaturation work was completed in the Münsinger Filz in autumn.

The measures are part of a project by the District Office to restore and preserve the moorland.

Münsing

- According to the announcement, the project manager is Elisabeth Pleyl from the Lower Nature Conservation Authority at the District Office.

"As far as the areas were made available for this, the natural moor water level could be restored," she draws an initial interim balance.

To achieve this, around half of the peat cuttings and ditches were sealed off with dams made of wood and peat.

According to Pleyl, a total of 180 dams have been built in this way in the past two months.

Two small excavators were used, which can safely drive over the moorland using wide chains.

But the wet subsurface in the peat cuttings was also a challenge for the special machines.

The so-called damming effect behind the dams could be observed right from the first rainfall.

Only a few weeks after the dams had been completed, the project manager observed that amphibians, water bugs, water beetles and dragonflies colonize the so-called bog ponds.

“Bog colts are collections of water that are completely enclosed by the bog and have no current,” explains the expert.

“They are an important habitat for certain animal and plant species.” According to Pleyl, even rare migratory bird species that seek out wet places to eat have appeared.

The measure was financed with funds from the Free State's climate program.

The retention of rainwater in the bog enables the peat moss to grow.

They absorb the carbon dioxide in the air and store it permanently, because the wet peat moss does not decompose but is ultimately deposited as peat.

Pleyl: “If, on the other hand, the bog dries out, it will decompose.

Year after year, greenhouse gases equivalent to ten to 15 tons of carbon dioxide per hectare are released. "

In the Münsinger Filz, around 20 hectares were effectively rewetted, so that in future around 200 tonnes of carbon dioxide less will be released in greenhouse gas emissions every year.

As far as land for renaturation has been purchased, leased or made available via easement, the district has taken over the sponsorship.

The “Tölzer Moorachse” steering group has been working together for 18 years to prepare and implement moor renaturation.

The "Tölzer Moorachse" includes the regional nature conservation associations, the Bavarian Farmers Association, the Center for Environment and Culture Benediktbeuern, representatives of the nature conservation authorities and District Administrator Josef Niedermaier.

It was only last week that the bog restoration in Bavaria was confirmed by the Bavarian Climate Protection Act.

Work in the moors continues in the district as well.  

nej

Source: merkur

All news articles on 2020-11-25

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