Trends among breeding water birds during 1974-2009, along canals in British Waterways ownership /
Marchant, John H.
Hulme, Mark F.
Noble, David G.
British Waterways.
British Trust for Ornithology.
Thetford : BTO,
2010.
Spiral bound.
"Report to British Waterways. July 2010."
Includes bibliographical references.
Water birds
Bird surveys
Birds
Waterways