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Title: Early 19th-century fire decline following sheep pasturing in a Navajo ponderosa pine forest
Journal: Ecology
Authors: M. Savage, and T. W. Swetnam
Date: 1990
Summary: The objective of this study is the documentation and interpretation of an unusual fire history in a southwest ponderosa pine (Pinus ponderosa) community. The fire-scar record from the Chuska Mountains shows an abrupt and persistent reduction in fire frequency at least four decades earlier than in other parts of the southwest. Fires were recorded in 95 years over a period of 594 years. The mean fire interval (MFI) from the date when all sample trees were established, 1660 to 1986, is 3.7 years, comparable to the fire frequency in similar habitats of the southwest. Savag ...
Agrovoc Control Words: Riparian zones, Rangelands, Wildlife
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