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Effects of fire and fire suppression on mortality and mode of reproduction of California black oak (Quercus kelloggii Newb.)

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

Postglacial vegetation of Canada

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

The importance of archeological sites related to the naval stores industry in Florida

Forney
[no description entered]
Type: Document
Year: 1987

Archaeological and recent evidence for expansion of moose range in northern Alaska

Hall
Description not entered.
Type: Document
Year: 1973

Fire ecology in Shenandoah National Park

Wilhelm
From the Conclusions ... 'Prior to becoming a national park, Shenandoah had gone through periods of indiscriminate logging, hunting, livestock grazing, and burning. Then the area entered the National Park System and shifted abruptly to a regime of…
Type: Document
Year: 1973