Numbers of mute swans and Whooper Swans in Sweden, 1967-2000

Mute Swans (Cygnus olor) and Whooper Swans (Cygnus cygnus) in Sweden have been monitored as part of the International Waterbird Census (IWC) since 1967. For the Whooper Swan, midwinter indices show fluctuations around a slowly increasing trend. Country-wide surveys in 1971-72, 1988-89, 1995 and 2000...

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Bibliographic Details
Main Author: Nilsson, Leif
Other Authors: Rees, E C., Earnst, S L., Coulson, J
Format: Conference Object
Language:English
Published: The Waterbird Society 2002
Subjects:
Ecology
Midwinter
Olor
Cygnus cygnus
Whooper Swan
Online Access:https://lup.lub.lu.se/record/529735

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