Atlas of colonial waterbirds nesting on the Canadian Great Lakes, 1989-1991. Part 1, Cormorants, gulls and island-nesting terns on Lake Superior in 1989 / Hans Blokpoel, Gaston D. Tessier. : CW69-5/181E-PDF
"During the 1989 breeding season, an inventory was made of Double-crested Cormorants (Phalacrocorax auritus), Ring-billed Gulls (Larus delawarensis), Herring Gulls (L. argentatus), and Common Tems (Sterna hirundo) nesting in the Canadian portion of Lake Superior. The field work was a cooperative effort by the Canadian wildlife Service, the Ontario Ministry of Natural Resources, Pukaskwa National Park and contractors hired and trained by CWS. Islands were visited by boat and all active nests were counted using hand counters. Caribou Island located sorne 60 km offshore was not part of the study area"--Abstract.
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| Ministère/Organisme | Canada. Environment Canada. Canadian Wildlife Service. Ontario Region. |
|---|---|
| Titre | Atlas of colonial waterbirds nesting on the Canadian Great Lakes, 1989-1991. Part 1, Cormorants, gulls and island-nesting terns on Lake Superior in 1989 / Hans Blokpoel, Gaston D. Tessier. |
| Titre de la série | Technical report series ; no. 181 |
| Type de publication | Série - Voir l'enregistrement principal |
| Langue | [Anglais] |
| Format | Électronique |
| Document électronique | |
| Autres formats offerts | Papier-[Anglais] |
| Note(s) | Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references (p. 19-20). Issued also in print format. Includes abstract in French. |
| Information sur la publication | [Ottawa] : Canadian Wildlife Service, Ontario Region, 1993. |
| Auteur / Contributeur | Blokpoel, H., 1938- Tessier, G. D. |
| Description | iii, 96 p. : maps. |
| Numéro de catalogue |
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| Descripteurs | Aquatic Birds |