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    Author(s): Richard P. Guyette; Daniel C. Dey
    Date: 1995
    Source: Forest Research report No. 132. 1995. pp. 1-7.
    Publication Series: Scientific Journal (JRNL)
    Station: North Central Research Station
    PDF: Download Publication  (698 KB)


    Fire scars from natural remnants of red pine (Pinus resinosa Ait.) in an oak-pine forest near Basin Lake, Algonquin Park, Ontario, were dated using dendrochronological methods. A fire scar chronology was constructed from 28 dated fire scars on 26 pine remnants found in a 1 km2 area of this forest. From pith and outside ring date distributions, 2 stand replacement fires are inferred. The composite fire scar chronology spanned 191 years from 1665 to 1856. The fire return interval between 2 stand replacement fires was about 200 years, while the return interval between fires of moderate or greater intensity was 68 years. For fires of low intensity or greater, the mean interval was 22 years. The period of the highest fire frequency was between 1733 and 1780, during which time the fire return interval for the area was 11.8 years.

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    Guyette, Richard P.; Dey, Daniel C. 1995. A presettlement fire history in an oak-pine forest near Basin Lake, Algonquin Park, Ontario. Forest Research report No. 132. 1995. pp. 1-7.


    Fire history, red oak, red pine, dendrochronology, climate, disturbance

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