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Table 1 Forest structural attributes (trees with diameter >5 cm inside the 0.01 ha circular plots) for fuels deposition plots in old-growth Jeffrey pine-mixed conifer forests in Sierra San Pedro Mártir National Park, northwestern Mexico. GRAN = granitic site, META = metamorphic site, SD = standard deviation of the mean (n = 10).

From: Surface fuel accumulation and decomposition in old-growth pine-mixed conifer forests, northwestern Mexico

Site Structural variable Mean SD
GRAN Canopy cover (%) 32.1 3.6
Mean diameter (cm) 33.7 0.8
Live basal area (m2 ha−1) 21.9 4.5
Live density (trees ha−1) 196.7 34.1
Snag density 0.0  
META Canopy cover (%) 29.2 4.4
Mean diameter (cm) 22.5 1.8
Live basal area (m2 ha−1) 21.9 4.8
Live density (trees ha−1) 336.7 82.7
Snag basal area (m2 ha−1) 2.5 1.8
Snag density (trees ha−1) 10.0 5.6