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Franz, Quitmyer
Specimens of fossil gopher tortoises (Gopherus) were collected from five late Pliocene, two early Pleistocene, five middle Pleistocene, and 52 late Pleistocene sites in 18 counties in Florida, one county in Georgia, three in South Carolina, and one…
Type: Document
Year: 2005

Rodgers, Kemp, Koontz
Bandelier National Monument and the surrounding Jemez Mountains have a long history of wildland fire. The restoration of fire, as a natural disturbance process, to its historic role at Bandelier is one of the Monument's highest management priorities.
Type: Document
Year: 2005

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

Maclean
[no description entered]
Type: Document
Year: 2003

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