Gill raker counting for approximating the ratio of river- and sea-spawning whitefish, Coregonus lavaretus (Actinopterygii: Salmoniformes: Salmonidae) in the Gulf of Bothnia, Baltic... by M. Himberg, M. Von Numers, A. Vasemägi, J. Heselius S., T. Wiklund, O. Lill J., H. Hägerstrand

Get full text