https://catalogue-scientifique.canada.ca/record=4018368~S6*frc
Fisheries and Oceans Canada, Science Branch, 2016, ISBN : 9780660056258
A DIDSON (Dual-Frequency Identification Sonar) acoustic camera has been used to enumerate upstream migrating Atlantic Salmon in Harry's River, Newfoundland...
Livre électronique
Texte intégral en ligne