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Douvres-la-Délivrande digs a pond to pamper the fauna and flora


The municipality of the Côte de Nacre dug a pond in the middle of a rainwater drainage area, colonized for years by a

Wetlands die hard in France.

According to official figures, 41% of these semi-aquatic spaces deteriorated between 2010 and 2020. Their preservation has become an issue, like the initiative of the municipality of Douvres-la-Délivrande, in the north de Caen, which has just dug a pond in the middle of a small key area.

"Rainwater from the surrounding neighborhoods flows into a stream that has crossed this space for years," explains Julien Lorence, the green spaces manager.

Over time, it became a wetland.”

Read alsoWetlands: Pont-Audemer fights to preserve its canals, streams and ponds

The water has infiltrated almost everywhere in this plot close to the allotment gardens and the school.

While a biodiversity atlas is currently being produced by the intercommunality, this land is "a refuge", which the town hall wanted to provide with a pond "20 m by 15 m and 1.50 m deep at the highest, dug on a gentle slope, especially for amphibians”.

Frogs and newts notably inhabit the premises.

The latter spawn in the water and evolve there at first.

A pond is a suitable environment for these amphibians, as well as for insects that like a humid environment.

“We will let nature take its course”

However, it will take a little patience.

The dug earth, the town hall no longer intends to touch it.

“We will let nature take its course, warns Julien Lorence.

The bottom of the pond is at the level of the bed of the stream.

We hope that it will be filled by capillarity.

As well as by the action of the rain.

Only then, the Douvette, the famous nearby stream, has been dry since the summer drought and the still timid rainfall for the season.

A lack of water against which, to top it off, wetlands are a valuable asset by their ability to keep water for fauna and flora.

A rainy winter is warmly hoped for to fill the water reservoir and launch the municipal project in this space.

Source: leparis

All news articles on 2022-11-29

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