Ecosystem services provided by the Baltic salmon - a regional perspective to the socio-economic benefits associated with a keystone migratory species - Kulmala, S.; Haapasaari, P.; Karjalainen, T. P.; Kuikka, S.; Pakarinen, T.; Parkkila, K.; Romakkaniemi, A.; Vuorinen, P. J. (My University, 2012)