Changes in the protection of waterfowl in Europe in 1969-75
By: Teppo Lampio. Changes in the use of wetlands in two drainage basins and the effects, e.g., on waterfowl populations / Antti Haapanen and Tauno Waaramäki. The summer behaviour and habitat use of the whooper swan, Cygnus c. cygnus / Antti Haapanen, Matti Helminen, and Hannu K. Suomalainen.
Contributors: Haapanen, Antti.; Haapanen, Antti.
Series: Riistatieteellisiä julkaisuja =; Finnish game research,; 36; Riistatieteelisiä julkaisuja ;; 36.
Publisher: Finnish Game and Fisheries Research Institute, Game Division
Published: 1977
Place of publication: Helsinki
Language: eng
Number of pages: 81
Notes: Includes bibliographies.