Snorkelling as a method for assessing spawning stock of Atlantic salmon, Salmo salar

• Published in: Fisheries Management and Ecology
• Main Authors: ORELL, P., ERKINARO, J.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Wiley 2007
• Subjects: Teno; Atlantic salmon; Salmo salar
• Online Access: http://dx.doi.org/10.1111/j.1365-2400.2007.00541.x; https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1365-2400.2007.00541.x; https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1365-2400.2007.00541.x

Abstract Reliability of underwater snorkel counts of adult Atlantic salmon, Salmo salar L., was analysed in the tributaries of the River Teno, close to the spawning period. In small (width 5–20 m) rivers, the replicated total counts of salmon were reasonably precise (CV = 5.4–8.5%), while in the med...