Skip to main content
. 2020 Aug 10;10:13444. doi: 10.1038/s41598-020-70313-6

Table 4.

Correlations (r-values) between C stocks of different components and predictor variables in the selected forest sites of KWLS, Western Ghats, India (df degrees of freedom).

Predictor variable r-value
Juvenile carbon (df = 70) Adult carbon (df = 70) Tree carbon (df = 70) Woody climber carbon (df = 51) Bamboo and palm carbon (df = 8) Total woody carbon (df = 70)
No. of juveniles 0.999**** 0.431**** 0.439**** – 0.078 – 0.155 0.436****
Juvenile basal area 0.939**** 0.399*** 0.406**** – 0.043 – 0.421 0.405***
No. of adults 0.339** 0.625**** 0.626**** 0.220 – 0.059 0.631****
Adult basal area 0.321** 0.948**** 0.948**** 0.098 – 0.382 0.948****
No. of trees 0.918**** 0.599**** 0.605**** 0.034 – 0.152 0.605****
Tree basal area 0.370** 0.954**** 0.953**** 0.094 – 0.394 0.954****
No. of woody climbers 0.105 – 0.188 – 0.187 0.568**** – 0.276 – 0.167
Woody climber basal area – 0.055 0.008 0.008 0.961**** – 0.243 0.040
No. of bamboo and palms – 0.132 – 0.398 – 0.399 0.311 0.709* – 0.391
Bamboo and palm basal area – 0.152 – 0.393 – 0.394 – 0.322 0.906** – 0.412
No. of juvenile species 0.802**** 0.572**** 0.577**** – 0.046 0.350 0.574****
No. of adult species 0.307** 0.478**** 0.479**** – 0.042 – 0.078 0.478****
No. of tree species 0.622**** 0.619**** 0.623**** – 0.097 0.191 0.619****
No. of woody climber species – 0.008 – 0.210 – 0.210 – 0.065 – 0.024 – 0.211
No. of bamboo and palm species – 0.436 – 0.777* – 0.779* 0.207 0.367 – 0.780*
Litter carbon 0.459** 0.637**** 0.639**** 0.055 – 0.185 0.638****

r-values with asterisk represent a significant relationship between the variables (*P < 0.05; **P < 0.01; ***P < 0.001; ****P < 0.0001; Other r-values exhibit relationships which are non-significant).