Displaying 1 - 6 of 6
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
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
Sorbel
Yellowstone National Park experiences as few as 4 to more than 81-wildland fire starts each year. Management decisions and evaluation of various alternatives must be done quickly. Fires allowed to burn as a wildland fire for resource benefit must be…
Type: Document
Year: 2000
Crawford
Mountain quail (Oreortyx pictus) are among the least studied of the North American quails. The prehistoric and early historic distributions of this bird are uncertain. In the Pacific Northwest, mountain quail were first recorded by Lewis and Clark…
Type: Document
Year: 2000
Hunter, Ludolph
Archaeological and historical evidence on status of northern bobwhites (Colinus virginianus) in southern Ontario prior to European settlement is not clear. The bird was documented on the Essex and Kent County prairies at the time of European…
Type: Document
Year: 2000