Okanogan Basin Pacific lamprey eDNA detections and translocations for 2012-2020 (ver. 1.1, April 2022)
Prior to the initiation of translocation efforts in 2017, Pacific lamprey (Entosphenus tridentatus) were last documented in the Okanogan river subbasin in 2010. It appears as if lamprey were extirpated in the Okanogan subbasin some time shortly after that. However, until 2017, monitoring and management actions for …