Table 2. Pearson correlation coefficients of the stand characteristics and litterfall components.

Variable	Needle	Broadleaved	Branches	Bark	Miscellaneous	Total litter
Basal area	0.34^***	0.01^ns	0.31^***	0.42^***	0.35^***	0.34^***
Stand density	0.28^**	−0.13^ns	0.01^ns	0.16^ns	0.04^ns	0.09^ns
Mean DBH	0.21^*	0.091^ns	0.13^ns	0.28^***	0.17^*	0.17^*
Carbon stocks of needle biomass	0.53^***	0.06^ns	0.36^***	0.59^***	0.39^***	0.40^***
Carbon stocks of branch biomass	0.50^***	0.13^ns	0.38^***	0.66^***	0.43^***	0.43^***
Carbon stocks of stem biomass	0.43^***	0.12^ns	0.31^***	0.66^***	0.38^***	0.38^***
Carbon stocks of aboveground tree biomass	0.44^***	0.12^ns	0.33^***	0.66^***	0.39^***	0.39^***

ns: non-significant, * P<0.05, ** P<0.01, *** P<0.001.