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As Earth's testimonies tell': wilderness conservation in a changing world

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

Permanent vs. shifting cultivation in the eastern woodlands of North America prior to European contact

Doolittle
Native food production in the Eastern Woodlands of North America before, and at the time of, European contact has been described by several writers as 'slash-and-burn agriculture,' 'shifting cultivation,' amd even 'swidden.' Select quotes from…
Type: Document
Year: 2004

Using forest management techniques to alter forest fuels and reduce wildfire size: an exploratory analysis

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