Habitat connectivity in agricultural landscapes improving multi-functionality of constructed wetlands as nature-based solutions
Cl\'ementine Pr\'eau, Julien Tournebize, Maxime Lenormand, Samuel, Alleaume, V\'eronique Gouy Boussada, Sandra Luque

TL;DR
This study presents a methodology combining ecological niche modeling and graph theory to identify optimal locations for constructed wetlands that both mitigate agricultural water pollution and enhance habitat connectivity for amphibians.
Contribution
It introduces a novel framework integrating habitat suitability modeling and connectivity analysis to optimize constructed wetlands for pollution reduction and biodiversity support.
Findings
Identified key areas for wetlands that improve amphibian habitat connectivity.
Demonstrated the potential of habitat connectivity assessment to enhance multifunctionality of NBS.
Showed that strategic placement of wetlands benefits both water quality and biodiversity.
Abstract
The prevention of biodiversity loss in agricultural landscapes to protect ecosystem stability and functions is of major importance in itself and for the maintenance of associated ecosystem services. Intense agriculture leads to a loss in species richness and homogenization of species pools as well as the fragmentation of natural habitats and groundwater pollution. Constructed wetlands stand as nature-based solutions (NBS) to buffer the degradation of water quality by intercepting the transfer of particles, nutrients and pesticides between crops and surface waters. In karstic watersheds where sinkholes short-cut surface water directly to groundwater increasing water resource vulnerability, constructed wetlands are recommended to mitigate agricultural pollutants. Constructed wetlands also have the potential to improve landscape connectivity by providing refuge and breeding sites for…
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