Scoping study in integrating Countryside Bird Survey and Breeding Bird Survey data to generate all-Ireland trends /
Newson, S E.
Crowe, O.
Noble, D. G.
British Trust for Ornithology.
BirdWatch Ireland.
Thetford : British Trust for Ornithology,
2005.
"A report produced by British Trust for Ornithology and BirdWatch Ireland for Environment & Heritage Service of Northern Ireland ; May 2005" -- t.p.
Includes bibliographical references.
Bird populations
Birds
Bird populations
Birds