Displaying 1 - 10 of 13
Gowlett
Numbers of animal species react to the natural phenomenon of fire, but only humans have learnt to control it and to make it at will. Natural fires caused overwhelmingly by lightning are highly evident on many landscapes. Birds such as hawks, and…
Type: Document
Year: 2016
García-Alix, Jiménez-Espejo, Lozano, Jiménez-Moreno, Martínez-Ruiz, Sanjuán, Jimenez, Alfonso, Ruiz-Puertas, Anderson
Present day lead pollution is an environmental hazard of global proportions. A correct determination of natural lead levels is very important in order to evaluate anthropogenic lead contributions. In this paper, the anthropogenic signature of early…
Type: Document
Year: 2013
Haines, Schofer
Over the last three decades, archaeologists employed by federal land management agencies have become increasingly involved in wildland fire incidents. Roles and responsibilities are poorly identified for fire archaeologists, and guidance is limited…
Type: Document
Year: 2008
Mills
From the text ... 'We saw how fire suppression efforts often did more damage than the fire itself -- as we also questioned the high costs of aggressive fire suppression.... Wven some members of the wildland fire management community found it…
Type: Document
Year: 2006
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
Cayless, Tipping
Pollen, microscopic charcoal and peat humification analyses were applied to radiocarbon-dated peat cores to examine environmental change before and after the mid-Holocene transition from hunter-gatherer (Mesolithic) to agricultural (Neolithic)…
Type: Document
Year: 2002
Benedict
Shallow soil cores from 56 localities along the crest of the Colorado Front Range were processed by water flotation and wet sieving, then examined for wood charcoal and charred conifer-needle fragments. Charred particles were largest and most…
Type: Document
Year: 2002
Reeves, Cole, Savery
Managers of designated wilderness or conservation areas, especially those that are fire-dependent, often face a major dilemma. It is essential that fire perform its natural role of rejuvenating the ecosystem. Standards of environmental regulation,…
Type: Document
Year: 1997
Bakken
In California, the percentage of wildland which is prescribed burned has been declining for many years. Fear of litigation, environmental concerns, and public perceptions seem to be the stumbling blocks. Is the reverse true: if we stop prescription…
Type: Document
Year: 1997