Decay-class specific density

Mean densities (g/cm3) and SE's (in parenthesis) of CWD by decay class and species
for major tree species of Russia

	Species
Decay classes	Abies siberica	Betula costata	Betula pendula	Larix spp.	Pinus sylvestris	Pinus siberica/ koraiensis	Populus tremula	Picea spp.
1 2 3 4 5	0.285 (0.016) 0.320 (0.012) 0.257 (0.024) 0.204 (0.021) 0.173 (0.025)	0.516 (0.007) 0.333 (0.037) 0.194 (0.012) 0.120 (0.005) 0.084 (0.003)	0.474 (0.005) 0.370 (0.009) 0.237 (0.014) 0.148 (0.012) 0.108 (0.010)	0.455 (0.007) 0.424 (0.009) 0.368 (0.013) 0.162 (0.008) 0.109 (0.008)	0.362 (0.005) 0.338 (0.006) 0.269 (0.009) 0.172 (0.012) 0.122 (0.006)	0.336 (0.006) 0.322 (0.006) 0.252 (0.011) 0.146 (0.008) 0.109 (0.007)	0.339 (0.017) 0.287 (0.019) 0.247 (0.023) 0.135 (0.011) N/A	0.358 (0.006) 0.335 (0.010) 0.236 (0.010) 0.139 (0.010) 0.108 (0.006)

A gradual decrease in mean density from decay class one to decay class five was observed in all species except Abies siberica. In addition, species became more similar in density as decay class increased.

Estimates of mean specific density with error bars plotted against species by decay class

Decay graph

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Questions? Email Dr. Mark Harmon at mark.harmon@orst.edu or Dr. Olga Krankina at olga.krankina@orst.edu

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