Analysis of trends from woodcock singing ground surveys 1969-85 / by B.T. Collins. : CW69-9/170E-PDF
"The woodcock singing ground survey is conducted by the U.S. Fish and Wildlife Service in cooperation with the Canadian Wildlife Service. The survey takes place during the spring courtship displays of American Woodcock (Scolopax minor)"--Introd.
Lien permanent pour cette publication :
publications.gc.ca/pub?id=9.850143&sl=1
| Ministère/Organisme | Canada. Environment Canada. Canadian Wildlife Service. |
|---|---|
| Titre | Analysis of trends from woodcock singing ground surveys 1969-85 / by B.T. Collins. |
| Titre de la série | Progress notes ; no. 170 |
| Type de publication | Série - Voir l'enregistrement principal |
| Langue | [Anglais] |
| Autres langues publiées | [Français] |
| Format | Électronique |
| Document électronique | |
| Note(s) | "September 1987." Digitized edition from print [produced by Environment and Climate Change Canada]. Issued also in French under title: Analyse des tendances indiquées par les recensements des bécasses à leurs places de chant de 1969 à 1985. Includes bibliographical references. |
| Information sur la publication | [Ottawa] : Canadian Wildlife Service, 1987. |
| Auteur / Contributeur | Collins, B. T., 1949- |
| Description | 5 p. : map, charts |
| Numéro de catalogue |
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| Descripteurs | Birds Population |