Low detection rate in visual observations of stream salmonids in winter - Erkinaro, Jaakko; Mäki-Petäys, Aki; Huusko, Ari; Kuusela, Jorma; Niemelä, Eero (Taylor & Francis, 2018)
Keywords: salmon parr; lohi; elinympäristö; Salmo salar; habitats; winter; behaviour; methodology