The cooperative Breeding Bird Survey in Canada, 1988 / Anthony J. Erskine, Brian T. Collins, and John W. Chardine. : CW69-9/188E-PDF
"The Breeding Bird Survey (BBS) was started experimentally in the United States in 1965 and has been operational in Canada, with coordination by the Canadian Wildlife Service (CWS), since 1966. It was set up to detect and measure trends in numbers of birds, particularly small land birds, across North America"--Introd.
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| Ministère/Organisme | Canada. Environment Canada. Canadian Wildlife Service. |
|---|---|
| Titre | The cooperative Breeding Bird Survey in Canada, 1988 / Anthony J. Erskine, Brian T. Collins, and John W. Chardine. |
| Titre de la série | Progress notes ; no. 188 |
| Type de publication | Série - Voir l'enregistrement principal |
| Langue | [Anglais] |
| Autres langues publiées | [Français] |
| Format | Électronique |
| Document électronique | |
| Note(s) | Issued also in French under title: Étude collective des populations d'oiseaux nicheurs au Canada, 1988. "March 1990." Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references. |
| Information sur la publication | [Ottawa] : Canadian Wildlife Service, 1990. |
| Auteur / Contributeur | Erskine, Anthony J., 1931- Collins, B. T., 1949- Chardine, John W. |
| Description | 15 p. : maps. |
| Numéro de catalogue |
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| Descripteurs | Birds Surveys |