Transforming a wasteland into an urban forest: a case study

Guillaume Lemoine - ECT biodiversity coordinator

March 21, 2024 – To mark the International Day of Forests, Guillaume Lemoine, ECT’s biodiversity advisor, presents the transformation of the Van Pelt industrial wasteland in Lens into an urban forest. This project illustrates the ability of the circular economy of excavated soil to finance and restore a site. This promotional project biodiversity in the urban environment is supported by EPF Hauts-de-France, the City of Lens, CALL and ECT .

Explore best practices and challenges in creating urban forests with Axa Biodiversité

The video is taken from a tutorial produced by Axa Biodiversité, highlighting the best practices and challenges involved in creating urban forests.

Creating a diverse and resilient urban forest

ECT experimented with an innovative approach when planting this urban forest. Here are the main strategies implemented:

  1. Creating varied forest environments – Selecting appropriate regional species creates a diverse and resilient ecosystem. These species, labelled “local vegetation”, are a guarantee of the quality of the vegetation. This encourages the harmonious integration of the urban forest into its environment.

  2. Encouraging edges and ecological interactions – The edges between massifs, copses and paths are designed to welcome a variety of animals (birds, small fauna, insects). Essential transition zones, they create ecological corridors within the urban forest.

  3. Dense, clumped planting – Particular attention was paid to planting density and tree arrangement. Opting for small specimens planted in bunches encourages better recovery and harmonious development of the species. The creation of dense plant cover thus contributes to the natural regeneration of the forest.

Latest news

19/11/2025

First hydrogen truck for transporting excavated soil

At Solutrans, Hyliko, in partnership with ECT, is handing over to the Mauffrey group the keys to the first “worksite approach” hydrogen truck for low-carbon worksites, with a view to

Read more
Limon - Vaux-le-Pénil
28/10/2025

ECT project at Vaux le Pénil (77): end of soil inputs

The Tertre des Roche development project in Vaux le Penil (Seine-et-Marne- 77) is taking shape. Opening to the public is scheduled for spring 2026. Creation of fertile soil on the

Read more
Auby - Ouverture site octobre
06/10/2025

New ECT site in the coalfield, Auby (59)

A new site in Auby, northern France, to receive excavated soil from the construction industry Since September 2025, the Auby (59) site has been receiving inert soil from construction sites

Read more

Pour recevoir
les dernières actualités d'ECT