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Official Journal of the Japan Wood Research Society

Table 4 Regression coefficients of the within-HW model (after model selection)

From: Tracing radioactive cesium in stem wood of three Japanese conifer species 3 years after the Fukushima Dai-ichi Nuclear Power Plant accident

Variable

Coefficient

SE

95% CI

(Intercept)

− 0.30

0.04

− 0.37 to − 0.23

D-from-T

− 0.28

0.04

− 0.35 to − 0.21

HWMC

0.13

0.04

0.06 to 0.21

  1. The response variable is log10 (concentration ratio of 137Cs in innermost heartwood to outermost heartwood)
  2. HW heartwood, SE standard error, CI confidence interval, D-from-T distance from the treetop, HWMC heartwood moisture content