Infrastructures

The edges of infrastructures (transport networks, industries, quarries, etc.) are often associated with vegetation: revegetation of earthworks, landscaping of rest areas, vegetation under high-voltage lines, etc. These green outbuildings are at the crossroads of often contradictory issues: difficulties of access, usage constraints (height), risks (fire, invasive species, falls, etc.) but also a source of ecological connectivity between different areas. The use of Cassia makes it possible to remotely and periodically monitor these rights-of-way in order to:
  • Monitor the height of the vegetation
  • Fire risk
  • Environmental impact study of ICPE installations
  • Knowledge of the tree heritage
  • Planning of management actions
  • Risk management
  • Follow-up of compensatory measures
haies-autoroute

MAPPING OF ECOLOGICAL CONTINUITIES ON THE EDGE OF A MOTORWAY

Roads and motorways strongly structure the connectivity of habitats at a territorial scale. This results both in a reduction in the level of connectivity on either side of the axis but also in an increase in the risks of wildlife crossing with the associated road safety issues.
For this example, a mapping of the network of hedgerows was carried out on the outskirts of a motorway in order to identify the sensitive points in terms of crossing risk (blue circle). The manager will thus be able to manage the associated risks (positioning of a wildlife crossing with trees).

Photo credit : © IGN 2019.

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