Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Stein I. Johnsen and David A. Strand and Johannes C. Rusch and Trude Vrålstad,Environmental DNA (eDNA) Monitoring of Noble Crayfish Astacus astacus in Lentic Environments Offers Reliable Presence-Absence Surveillance – But Fails to Predict Population Density,Frontiers in Environmental Science,2296-665X,Frontiers Media SA,2020-12-07,8,,,https://cir.nii.ac.jp/crid/1360861709488694016,https://doi.org/10.3389/fenvs.2020.612253