highly significantp < 0.001
There was a highly significant and negative effect of the ring width logarithm on Ca ( p < 0.001, ***, Fig. 4 d) and wider rings had lower Ca concentrations.
There was a highly significant and negative effect of the ring width logarithm on Ca ( p < 0.001, ***, Fig. 4 d) and wider rings had lower Ca concentrations.
Ca showed an increasing trend in elemental content from the pith to the sapwood.