Harbour porpoises Phocoena phocoena in the North Sea: numerical responses to changes in environmental conditions
Reijnders, P.J.H. (1992). Harbour porpoises Phocoena phocoena in the North Sea: numerical responses to changes in environmental conditions. Neth. J. Aquat. Ecol. 26(1): 75-85 In: Netherlands Journal of Aquatic Ecology. Kluwer Academic Publishers/Netherlands Society of Aquatic Ecology: Bilthoven. ISSN 1380-8427; e-ISSN 2214-7098, more | |