Study: Agroforestry systems critical for amphibian diversity in Colombian Andes
Research from the Senckenberg Centre suggests that connecting forest fragments with shaded agricultural plots is more effective for amphibian conservation than isolated reserves.
Amphibian diversity in the Colombian Andes is heavily dependent on land-use patterns, according to a study published in the journal Agriculture, Ecosystems & Environment. Researchers from the Senckenberg Centre, led by Raffael Ernst, found that agroforestry systems incorporating shading plants support significantly higher species richness than intensive agricultural practices, particularly cattle ranching.
By analyzing 34 sites across the northern Andes, the research team documented 3,796 individual amphibians across 14 species. The findings highlight that while high-intensity farming leads to structural landscape degradation and biodiversity loss, shaded coffee and cocoa plantations provide vital microhabitats. These systems create conditions that allow amphibians to thrive despite human intervention.
Ernst argues that isolated protected areas are insufficient to stem the decline of amphibian populations. Instead, he proposes a mosaic-matrix strategy that integrates natural forest fragments with sustainable agricultural systems. This approach seeks to reconcile the commercial needs of small-scale farmers with ecological imperatives, ensuring that connectivity across the landscape remains intact for species survival.