Temporal variation of ecosystem carbon pools along altitudinal gradient and slope: the case of Chilimo dry afromontane natural forest, Central Highlands of Ethiopia

Table 4 The linear regression equation of the different carbon pools of Chilimo dry afromontane forest

SN	Equation	SE	t value	Pr > /t/	Adj. R²
1	HUCD2012 = − 0.6563 + 41.6202DWCD2012	0.60 0.21	− 1.09 34.36	0.286 < 2e−16***	0.98
2	HUCD2017 = − 1.0623 + 20.5616HbCD2017	0.37 0.74	− 2.86 27.85	0.00887 < 2e−16*	0.97
3	HUCD2017 = − 0.6336 + 20.2528DWCD2012	0.25 0.49	− 2.59 41.00	0.0166* < 2e−16***	0.97
4	HbCD2017 = 0.0461198 + 0.0230173HUCD2012	0.01 0.001	3.29 33.20	0.00324 < 2e−16*	0.98
5	HbCD2017 = 0.02648 + 0.97002 DWCD2012	0.01 0.03	2.15 39.05	0.0424* < 2e−16***	0.99
6	StCD2012 = 0.25923 + 0.72541StCD2017	0.18 0.08	1.461 9.152	0.151 1.4e−11***	0.66

Where: DWCD Dead wood carbon density, HbCD Herbaceous carbon density, HUCD Humus carbon density, StCD Stump carbon density, Pr Probability, S.N. Series number, SE Standard error, Adj. R² Adjusted R squared and /t/t-value

ISSN: 2288-1220