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Cited by 362

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A History of Fire and Vegetation in Northeastern Minnesota as Recorded in Lake Sediments

Swain, Albert M.·1973·Quaternary Research

Abstract

The record of charcoal in lake sediments indicates that fire has always been an important ecological factor in the forest history of northeastern Minnesota. The annually laminated sediments of Lake of the Clouds permit precise dating of the charcoal peaks and record the changes in the influx of various pollen types. A detailed record of the past 1000 yr shows that the average frequency of fire is approximately 60–70 yr, with a range of about 20–100 yr. The amount of charcoal in sediments dating between 1000-500 y.a. is consistently higher than that for the last 500 yr, although the fire frequency for the two periods was not appreciably different. Pollen analysis shows no change or only short-term changes in the percentages of major pollen types following charcoal peaks.

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Crossref · 10.1016/0033-5894(73)90004-5

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Metadata

Authors
Swain, A. M.
Venue
Quaternary Research
Published
1973-10
Volume
3
Issue
3
Pages
383-396
ISSN
  • 0033-5894 (ISSN-L)
  • 1096-0287
OpenAlex
W2086624971
Cited by
362
References
0
FWCI
12.74
Type
journal article
Language
en
Open access
closed

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