Displaying 1 - 7 of 7
Gillson, Willis
Too often, wilderness conservation ignores a temporal perspective greater than the past 50 years, yet a long-term perspective (centuries to millennia) reveals the dynamic nature of many ecosystems. Analysis of fossil pollen, charcoal and stable…
Type: Document
Year: 2004
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
Ali, Roiron, Guendon, Terral
[no description entered]
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
Lepofsky, Heyerdahl, Lertzman, Schaepe, Mierendorf
The recent encroachment of woody species threatening many western North American meadows has been attributed to diverse factors. We used a suite of methods in Chittenden Meadow, southwestern British Columbia, Canada, to identify the human,…
Type: Document
Year: 2003