Landscape Drivers Influence the Efficiency of Management of Aquatic Invasive Alien Rodents in Western France

Olivier Pays (), Manon Bonnet, Ewen Marchand, Clément Harmange, Sandro Bertolino, Alain Pagano, Damien Picard, Xavier Grillo and Antonin Grimault-Frémy
Additional contact information
Olivier Pays: BIODIVAG, Université d’Angers, Campus Belle Beille, 2 Bd Lavoisier, F-49045 Angers, France
Manon Bonnet: BIODIVAG, Université d’Angers, Campus Belle Beille, 2 Bd Lavoisier, F-49045 Angers, France
Ewen Marchand: BIODIVAG, Université d’Angers, Campus Belle Beille, 2 Bd Lavoisier, F-49045 Angers, France
Clément Harmange: BIODIVAG, Université d’Angers, Campus Belle Beille, 2 Bd Lavoisier, F-49045 Angers, France
Sandro Bertolino: Department of Life Sciences and Systems Biology, University of Turin, Via Accademia Albertina 13, 10123 Torino, Italy
Alain Pagano: BIODIVAG, Université d’Angers, Campus Belle Beille, 2 Bd Lavoisier, F-49045 Angers, France
Damien Picard: BIODIVAG, Université d’Angers, Campus Belle Beille, 2 Bd Lavoisier, F-49045 Angers, France
Xavier Grillo: EPTB Sèvre Nantaise, F-44190 Clisson, France
Antonin Grimault-Frémy: FDGDON 49, 23 rue Georges Morel, F-49070 Beaucouzé, France

Sustainability, 2024, vol. 16, issue 5, 1-16

Abstract: Managing invasive alien species (IAS) is a critical issue for many countries to preserve native biodiversity, ecosystem services and human well-being. In western France, we analyzed data of captures of aquatic invasive alien rodents (AIARs), the coypu and muskrat, by the local permanent control program from 2007 to 2022 across 26 municipalities encompassing 631 km 2 . We found that control activities removed up to 10.3 AIARs per km 2 annually. The number of coypus removed per trapper per year increased by 220%, whereas it decreased by 85% for muskrats. The number of trappers increased from 2007 to 2014, peaking at 70, and then decreased by 50% in 2022. The number of AIARs captured per trapper per year increased with the density of ponds. The number of coypus captured per year decreased with an increasing amount of woodland per municipality, whereas it increased with road density. Finally, other tested landscape variables did not affect the number of AIARs removed per trapper per year. Our results are discussed in the context of control activities implemented against IAS in other countries. We advocate for stakeholders to assess whether control activities against AIARs effectively mitigate the impacts on social-ecological systems in France.

Keywords: pest management; permanent control program; invasive species; coypu; Myocastor coypus; muskrat; Ondatra zibethicus; citizen engagement; trapping; captures; wetlands (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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