The impact of hunting disturbance on a protected species, the Whooper Swan Cygnus cygnus at Lake Constance

• Main Authors: Schneider-Jacoby, M., Frenzel, P., Jacoby, H., Knoetzsch, G., Kolb, K.
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: 1991
• Subjects: Cygnus cygnus; Whooper Swan
• Online Access: http://hdl.handle.net/11858/00-001M-0000-0028-1000-9