Displaying 11 - 20 of 28
Jutnry, Stahle
Forests in the Ozarks are ancient: the dominance and density of their various arboreal and herbaceous species have fluctuated over time in relation to climatic change and cultural influences. This study examines the nature of the pre-European forest…
Type: Document
Year: 2004
Hirsch, Kafka, Todd
During the next few decades, a considerable portion of the productive boreal forest in Canada will be harvested and there is an excellent opportunity to use forest management activities (e.g., harvesting, regeneration, stand tending) to alter the…
Type: Document
Year: 2004
Hessburg, Agee
Fire was arguably the most important forest and rangeland disturbance process in the Inland Northwest United States for millennia. Prior to the Lewis and Clark expedition, fire regimes ranged from high severity with return intervals of one to five…
Type: Document
Year: 2003
Hannon, Bradshaw, Emborg
1 The history of a forest stand over the last 6000 years has been reconstructed by studying pollen, macrofossils and charcoal from a small, wet hollow in Suserup Skov on the island of Sjaelland in eastern Denmark. 2 The earliest recorded forest was…
Type: Document
Year: 2000
Hardy, Keane, Harrington
From the text...'The term restoration relates to activities required to reduce hazards from wildland fires and improve federal forest and grassland health to a condition that can be maintained through periodic disturbance. Restoration and…
Type: Document
Year: 1999
Bowman
One of the most complex and contentious issues in Australian ecology concerns the environmental impact of Aboriginal landscape burning. This issue is not only important for the development of a comprehensive understanding of the dynamics and…
Type: Document
Year: 1998
Reeves, Cole, Savery
Managers of designated wilderness or conservation areas, especially those that are fire-dependent, often face a major dilemma. It is essential that fire perform its natural role of rejuvenating the ecosystem. Standards of environmental regulation,…
Type: Document
Year: 1997
Bakken
In California, the percentage of wildland which is prescribed burned has been declining for many years. Fear of litigation, environmental concerns, and public perceptions seem to be the stumbling blocks. Is the reverse true: if we stop prescription…
Type: Document
Year: 1997
Cartledge
[no description entered]
Type: Document
Year: 1996
Fish
The methods and motivations for fire use varied for late prehistoric societies of the Southwest. Although fire was probably used to increase the returns from hunting and gathering on marginal lands, it seems doubtful that comprehensive burning was…
Type: Document
Year: 1996