Mirabel, QC

Rehabilitating the quarry without halting operations

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Active project since 2017 · Progressive rehabilitation through intensive willow revegetation
13 ha
Site area
268,800
Trees and willows planted (up to)
8.6 ha
Active planting (up to)

Context

The Sablière Demers, located in Mirabel, faced the typical challenges of sites nearing the end of operations:

  • low soil organic matter content
  • wind and water erosion
  • soil instability
  • colonization by opportunistic species

The project aimed to rapidly establish a structuring vegetation cover capable of accelerating the site's progressive restoration.

The solution implemented

Ramo established an intensive revegetation based on fast-growing willows and complementary species across several sectors of the quarry.

The project includes:

  • up to 8.6 ha of active planting
  • up to 268,800 trees and willows planted
  • valorization of fertilizing residuals
  • mechanized planting
  • progressive restoration of worked cells
Sablière Demers, Mirabel (aerial view of the intensive willow revegetation)
Aerial view (intensive revegetation of the Sablière Demers, Mirabel).

Results and benefits

Rapid soil stabilization

Rapid establishment of a vegetation cover that limits erosion and particle movement.

Reduction of invasive species

Rapid occupation of the site by the plantings.

Improvement of physicochemical properties

Input of organic matter through fertilizing residuals valorized on site.

Progressive restoration

Integration of the work directly into the site's operational evolution.

Willow planting on a sector of the Sablière Demers, Mirabel
Sector under active planting (fast-growing willows planted mechanically).
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