Lost and found: frogs in a biodiversity hotspot rediscovered with environmental DNA

Carla Martins Lopes, Délio Baêta, Alice Valentini, Mariana Lúcio Lyra, Ariadne Fares Sabbag, João Luiz Gasparini, Tony Dejean, Célio Fernando Baptista Haddad & Kelly Raquel Zamudio
Declines and extinctions are increasing globally and challenging conservationists to keep pace with biodiversity monitoring. Organisms leave DNA traces in the environment and this free DNA in soil, water, and air is referred to as environmental DNA (eDNA). The analysis of eDNA is a highly sensitive method with the potential to rapidly assess local diversity and the status of threatened species. We searched for DNA traces of 30 target amphibian species of conservation concern, at...
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3 downloads reported since publication in 2020.

These counts follow the COUNTER Code of Practice, meaning that Internet robots and repeats within a certain time frame are excluded.
What does this mean?