Current status and management of American bullfrog Lithobates catesbeianus in Flanders ; Huidige status en beheer van de Amerikaanse stierkikker Lithobates catesbeianus in Vlaanderen

American bullfrog Lithobates catesbeianus is one of the world’s worst invasive species and suspected to cause substantial ecological damage around the globe through predation, competition and pathogen transmission. The species has been introduced in Flanders at the end of the 1990s, with first observations in nature in 1996. The first proof of reproduction in Flanders dates back to 2001 at several places in the Grote Nete Valley. Since then the population has been expanding its distribution area, and now holds an area of occupancy of 17 km2 occurring in more than 70 km2 grid cells. The largest... Mehr ...