Fire history on a desert mountain range

Rincon Mountain Wilderness, Arizona, USA

C. H. Baisan, Thomas Swetnam

Research output: Contribution to journalArticle

235 Citations (Scopus)

Abstract

Modern fire records and fire-scarred remnant material collected from logs, snags, and stumps were used to reconstruct and analyze fire history in the mixed-conifer and pine forest above 2300 m within the Rincon Mountain Wilderness of Saguaro National Monument. The fire regime was dominated by large scale (>200 ha), early-season (May-July) surface fires. Mean fire interval over the Mica Mountain study area for 1657-1893 was 6.1 yr with a range of 1-13 yr for larger fires. Mean fire interval for the mixed-conifer forest type (1748-1886) was 9.9 yr with a range of 3-19 yr. Thirty-five major fire years between 1700-1900 were compared with a tree-ring reconstruction of the Palmer drought severity index (PDSI). Mean July PDSI for 2 yr prior to fires was higher (wetter) than average, while mean fire year PDSI was near average. -from Authors

Original languageEnglish (US)
Pages (from-to)1559-1569
Number of pages11
JournalCanadian Journal of Forest Research
Volume20
Issue number10
StatePublished - 1990

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wilderness
fire history
deserts
desert
mountains
history
mountain
coniferous forests
drought
mixed forests
coniferous tree
mountain range
mica
snag
snags
fire regime
monument
stumps
growth rings
tree ring

ASJC Scopus subject areas

  • Forestry
  • Plant Science

Cite this

Fire history on a desert mountain range : Rincon Mountain Wilderness, Arizona, USA. / Baisan, C. H.; Swetnam, Thomas.

In: Canadian Journal of Forest Research, Vol. 20, No. 10, 1990, p. 1559-1569.

Research output: Contribution to journalArticle

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