Displaying 21 - 30 of 39
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
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
Lindbladh, Bradshaw, Holmqvist
1. Two palaeoecological data sets were used to study forest development in the boreo-nemoral zone of southern Sweden during the last 3000 years. Maps of forest types present in 1250 B, AD 500 and today were compiled from regional pollen data and…
Type: Document
Year: 2000
Stowe
The South Carolina Department of Natural Resources (DNR) acquires land in the state to protect rare species and ecosystems, and significant cultural and archaeological sites. These lands -- called heritage preserves (HPs) -- also provide outstanding…
Type: Document
Year: 1999
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
Bowles, McBride
Fire-maintained oak savannas on silt-loam soils essentially disappeared from midwestern North America soon after European settlement because of fire suppression and agriculture. As a result, there are no precise models for restoring this vegetation…
Type: Document
Year: 1998
Nsiah-Gyabaah
From the text... "This paper examines the pressures that lead to reduction of biodiversity especially the threat of wildfire to environmental resources, how indigenous people in Ghana protect vital environmental resources through culture, religion…
Type: Document
Year: 1997
Lissoway
The rejuvenating effects of natural fires prior to 1900 in Southwestern forest communities have been replaced by recent, unprecedented crownfires. These wildfires have given rise to planned expansion of management fire as a tool for ecosystem…
Type: Document
Year: 1997
Bray
From the text... 'The purpose of this report is to attempt to evaluate the evidence for widespread human manipulation of the environment in the Midwestern United States. The study will focus primarily on the states of Illinois, Indiana, Iowa,…
Type: Document
Year: 1995