Displaying 111 - 120 of 120
Delcourt, Delcourt
Two primary goals of landscape ecologists are to (1) evaluate changes in ecological pattern and process on natural landscapes through time and (2) determine the ecological consequences of transforming natural landscapes to cultural ones.…
Type: Document
Year: 1988
Kauffman, Martin
Numerous studies, historical accounts and archaeological evidence suggest that the historical density and abundance of black oak (Quercus kelloggii Newb.) in mixed conifer forests was much greater than today. Reasons for the decline of this species…
Type: Document
Year: 1987
Ritchie
Post-glacial Vegetation of Canada brings together all the available information about the complex history of vegetational and environmental change in Canada since the last Ice Age. As the lands began to emerge from under the ice, they provided a…
Type: Document
Year: 1987
Anderson
Land managers are becoming increasingly aware that cultural resources are a fragile and nonrenewable part of the environment that must be protected. Legislation has been enacted at the Federal and State levels to protect these resources. There is…
Type: Document
Year: 1985
Keith
[no description entered]
Type: Document
Year: 1980
Hall
Description not entered.
Type: Document
Year: 1973
Ferguson
[From first paragraph] Dendrochronology may be defined as the study of the chronological sequence of annual growth rings in trees. The concepts and techniques of the science, as presented here, reflect the work and practice of the Laboratory of Tree…
Type: Document
Year: 1970
Heusser
[from the text] The science of palynology has come a long way since the presentation of the first paper on modern pollen analysis by Lennart von Post at Oslo in 1916. Like many sciences it was initiated as a rather narrow discipline and consisted…
Type: Document
Year: 1960
Rostlund
[no description entered]
Type: Document
Year: 1960
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