00000nam 2200000zi 4500 9.921461 CaOODSP 20240527135432 m o d f cr |n||||||||| 230124e195406##onc ob f|0| 0 eng d CaOODSP eng rda CaOODSP n-cn-nt CW66-959/1954E-PDF Flook, D. R., author. Aerial beaver survey, Fort Simpson, Fort Liard, and Wrigley districts, September, 1953 / by Donald R. Flook. [Ottawa] : [Canadian Wildlife Service], June, 1954. 1 online resource (16, [4] pages) text txt rdacontent computer c rdamedia online resource cr rdacarrier Digitized edition from print [produced by Environment and Climate Change Canada]. Map of the survey route is missing from this publication. Includes bibliographical references. "The survey described herein was carried out so as to obtain information regarding the density of the beaver population and the extent and quality of the beaver habitat in the districts surveyed. Some attempt was also made to evaluate the accuracy of the aerial survey technique which has been developed in the MacKenzie District for censusing beaver"--Introduction, page 1. American beaver Northwest Territories. Mammal surveys Northwest Territories. Aerial surveys in wildlife management Northwest Territories. Castor du Canada Territoires du Nord-Ouest. Mammifères Inventaires Territoires du Nord-Ouest. Inventaires aériens dans l'aménagement de la faune Territoires du Nord-Ouest. Canadian Wildlife Service, issuing body. PDF 946 KB https://publications.gc.ca/collections/collection_2023/eccc/cw66/CW66-959-1954-eng.pdf