Displaying 1 - 7 of 7
Kay
From the Introduction ... 'Before ecosystem management can be implemented or ecological integrity preserved, long-term ecosystem states and processes must first be quantified. For as Aldo Leopold noted over 40 years ago, 'if we are serious about…
Type: Document
Year: 1995
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
Fiero
In 1989 the Long Mesa fire burned approximately 3000 acres in Mesa Verde National Park, Colorado The fire spread along the top of Long Mesa and the adjacent canyons covering an area containing approximately 200 known archeological sites. Because of…
Type: Document
Year: 1995
Fiero
In 1989 the Long Mesa fire burned approximately 3000 acres in Mesa Verde National Park, Colorado. The fire spread along the top of Long Mesa and the adjacent canyons covering an area containing approximately 200 known archeological sites. Because of…
Type: Document
Year: 1995
Craddock
Although firesetting is well recognized as one of the most ancient mining techniques for breaking up rocks, surprising little is known about the way in which it was practised. This article reviews not only the archaeological and historical evidence…
Type: Document
Year: 1992
Finney, Martin
Fire intervals were derived from analysis of fire scars on samples taken from 14 redwood (Sequoia sempervirens D. Don (Endl.)) stumps throughout Annadel State Park, California. Samples were obtained from small redwood groves that are isolated within…
Type: Document
Year: 1992
Denevan
The myth persists that in 1492 the Americas were a sparsely populated wilderness, 'a world of barely perceptible human disturbance.' There is substantial evidence, however, that the Native American landscape of the early sixteenth century was a…
Type: Document
Year: 1992