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Development of an Environmental and Faecal DNA Tool for Monitoring the Spatial Distribution and Fish Predation on the Mountain Amphibian Calotriton asper

Using an environmental DNA approach, we confirmed the presence of C. asper in eight out of 13 sites deemed climatically suitable for the species, although it had never been observed there before. Then, we sampled brown trout (Salmo trutta) living in sympatry with C. asper and, through fish faeces analyses, confirmed that brown trout are predators of C. asper. Leer más.

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