Apports du LiDAR à l'étude de la végétation des marais salés de la baie du Mont-Saint-Michel

Researchers have uncovered significant spatial variations in the vegetation of Mont-Saint-Michel's salt marshes, revealing complex interactions between plant species and ecological factors. Using LiDAR data, orthophotography, and field observations, they identified a double hydraulic slope influencing altitude patterns across the bay, with higher elevations at its eastern and western edges. The study also highlighted how geomorphology and grazing practices can alter these altitude patterns, challenging traditional models of salt marsh dynamics. By analyzing nearly 10,000 data points, the team established statistical links between plant species and four key ecological factors: altitude, geomorphology, sediment context, and agricultural use, providing a robust framework for mapping and understanding this fragile ecosystem.

Bilodeau, C. Apports du LiDAR à l’étude de la végétation des marais salés de la baie du Mont-Saint-Michel. https://doi.org/10.70675/ba103870z4545z4cdbz913ez477ae968a95a