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Eolian deposition of forest-fire charcoal above tree limit, Colorado Front Range, USA: Potential contamination of AMS radiocarbon samples

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

Grasslands, heathlands and shrublands in coastal New England: historical interpretations and approaches to conservation

Motzkin, Foster
Aim This study evaluates the long-term history of grassland, heathland and shrubland communities that are high priorities for conservation in the north-eastern US and support numerous globally rare species. Such an historical perspective is…
Type: Document
Year: 2002