00000nam 2200000zi 4500 9.884824 CaOODSP 20221107170951 m o d f cr |n||||||||| 200219s1973 oncdo ob f000 0 eng d CaOODSP eng rda CaOODSP n-cn-nt n-cn-yk R73-4/73-22E-PDF R57-2/1973 Radforth, J. R, author. Long term effects of summer traffic by tracked vehicles on tundra / J.R. Radforth, Muskeg Research Institute, University of New Brunswick. Effects of summer traffic on tundra [Ottawa] : Information Canada, [1973] 1 online resource (iv, 60 pages) : graph, photographs. text txt rdacontent computer c rdamedia online resource cr rdacarrier Environmental-Social Committee, Northern Pipelines, Task Force on Northern Oil Development Report ; no. 73-22 "ALUR 72-73-13" Digitized edition from print [produced by Environment and Climate Change Canada]. "This report was prepared under contract for the Arctic Land Use Research Program, Northern Natural Resources and Environment Branch, Department of Indian Affairs and Northern Development." Includes bibliographical references (page 31). "During the summer of 1972, the test sites were visited to observe the development of new vegetation on the disturbed ground, and measure changes in rut depth and frost depth in the tracks left by the vehicles. The sites were also photographed from various altitudes in order to assess the possibility of using aerial photography to evaluate disturbance levels and terrain sensitivity to disturbance by vehicle traffic"--Summary, page [1]. Tundra ecology Yukon. Tundra ecology Northwest Territories. Tracklaying vehicles Environmental aspects Yukon. Tracklaying vehicles Environmental aspects Northwest Territories. Écologie des toundras Yukon. Écologie des toundras Territoires du Nord-Ouest. Véhicules à chenilles Aspect de l'environnement Yukon. Véhicules à chenilles Aspect de l'environnement Territoires du Nord-Ouest. Task Force on Northern Oil Development (Canada). Environmental-Social Committee. Environmental-Social Program, Northern Pipelines (Canada) Arctic Land Use Research Program (Canada)‏. Canada. Indian and Northern Affairs Canada. Report (Task Force on Northern Oil Development (Canada). Environmental-Social Committee) no. 73-22. (CaOODSP)9.883314 PDF 49.05 MB https://publications.gc.ca/collections/collection_2020/rcaanc-cirnac/R73-4-73-22-eng.pdf QS-1522-000-EE-A1