Primary production processes within polar semi-desert vegetation, Truelove Lowland, Devon Island, N.W.T., Canada
Date: 1974-01-01
Subject: Botany
Report on the collections of natural history made in the Antarctic regions during the voyage of the “Southern Cross.”
Date: 2026-08-11
Some aspects of physiological processes of lichens and pine trees, affected by air pollutants. Considerations of measurements of sulphur dioxide effects on photosynthesis
Date: 1977-01-01
Studies on the vegetation of north central Canada
Date: 1961-01-01
Tetlin resource booklet
Date: 1978-01-01
Vegetation of the Arctic tundra [by] Max E. Britton
No Image
Date: 1966-08-11
Vegetation types and environmental factors associated with Foothills Gas Pipeline Route, Yukon Territory
Date: 1980-01-01
Showing 21-27 of 27 results