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Table 1 Fire histories for forests in Crater Lake National Park, Oregon, USA, and similar forest types in Oregon (OR) and California (CA), USA. FRI = fire return interval. Ranges are shown in parentheses.

From: Fire History and Forest Structure along an Elevational Gradient in the Southern Cascade Range, Oregon, USA

Forest type Location FRI (yr) Analysis unit for FRI Sample size Citation
Red fir Sequoia National Park, CA 78 plot (0.25 ha to 0.5 ha) 16 Pitcher 1987
Red fir Crater Lake National Park, OR 39 plot (0.5 ha) 11 Chappell and Agee 1996
Red fir Swain Mountain Experimental Forest, CA 40 to 42 plot (0.5 ha to 1 ha)   Taylor and Halpern 1991
Red fir Swain Mountain Experimental Forest, CA 16 to 19 plot (3 ha)   Taylor 1993
Red fir-mountain hemlock Thousand Lakes Wilderness, CA 20 (9 to 91) point 6 Bekker and Taylor 2001
Red fir-mountain hemlock Thousand Lakes Wilderness, CA 100 point   Bekker and Taylor 2010
Red fir-lodgepole pine Mammoth Lakes, CA 25 (13 to 38) plot (2 ha) 10 Stephens 2001
Red fir-western white pine Lassen Volcanic National Park, CA 70 (26 to 109) point 41 Taylor 2000
Red fir-western white pine Caribou Wilderness, CA 66 plot (0.04 ha to 0.1 ha)   Taylor and Solem 2001
Red fir-western white pine Lake Tahoe, CA 76 (25 to 175) point   Scholl and Taylor 2006
Lodgepole pine Caribou Wilderness, CA 67 plot (0.04 ha to 0.1 ha)   Taylor and Solem (2001)
Lodgepole pine Thousand Lakes Wilderness, CA 47 (28 to 54) point 6 Bekker and Taylor 2001
Lodgepole pine Thousand Lakes Wilderness, CA (50 to 76.5) point   Bekker and Taylor 2010
Lodgepole pine Deschutes National Forest, OR (26 to 82) plot (0.1 ha to 0.5 ha) 30 Heyerdahl et al. 2014
Ponderosa pine Crater Lake National Park, OR (9 to 42) 2 trees 48 McNeil and Zobel 1980
Ponderosa pine-white fir-mountain hemlock Cherry Creek Research Natural Area, OR (4 to 146) plot (0.2 ha) 35 Foster 1998