Text and Data Mining valid from 2020-05-07
Received: 12 August 2019
Accepted: 29 April 2020
First Online: 7 May 2020
Ethics approval and consent to participate
: The sampling of earthworms did not require permission and the species are not classified as endangered, and are not under any protection in any of the sampled areas.
: Not applicable.
: The authors declare that there is no competing interest.