Effects of Environmental Factors on Carbon Stocks of Dry Evergreen Afromontane Forests of the Choke Mountain Ecosystem, Northwestern Ethiopia

Table 9

Estimated marginal means of altitude in Ziba forest.

Dependent variable	Altitude	Mean	Std. error	95% confidence interval
				Lower bound	Upper bound
DWC	Low	.911^a	0.726	−0.600	2.422
	Medium	2.963^a	0.529	1.862	4.063
	High	4.194^a	0.829	2.470	5.918
USBC	Low	2.989^a	0.879	1.162	4.816
	Medium	5.077^a	0.640	3.746	6.408
	High	8.408^a	1.003	6.323	10.493
LC	Low	4.966^a	0.578	3.765	6.168
	Medium	4.645^a	0.421	3.770	5.521
	High	5.129^a	0.659	3.757	6.500
AGBC	Low	145.456^a	13.436	117.514	173.398
	Medium	81.424^a	9.789	61.067	101.782
	High	88.084^a	15.334	56.196	119.972
BGBC	Low	29.091^a	2.687	23.503	34.680
	Medium	16.285^a	1.958	12.213	20.356
	High	17.617^a	3.067	11.239	23.994
SCS	Low	87.585^a	4.974	77.241	97.930
	Medium	93.847^a	3.624	86.310	101.384
	High	101.384^a	5.677	89.578	113.190
TCS	Low	270.999^a	14.360	241.137	300.862
	Medium	204.242^a	10.462	182.485	225.998
	High	224.816^a	16.388	190.735	258.896

^aBased on modified population marginal mean.