Biomass and Volume Models Based on Stump Diameter for Assessing Degradation of Miombo Woodlands in Tanzania

Table 5

Aboveground biomass model coefficients and performance.

Site	Model	Model coefficients			AIC	SE	SE%	E%	R^2
		a	b	c
Tabora		0.0391	2.6491		485.9	483.22	42.9	-11.1	0.925
		-1.3626	0.3755		524.9	986.72	87.6	-39.6	0.687
		3.0632	-2.4073	0.4559	501.8	848.17	75.3	-13.4	0.76
Manyara		0.0605	2.5490		511.7	649.61	44.4	9.3	0.88
		-1.4551	0.35343		544.3	1319.70	90.2	-10.3	0.52
		5.5304	-3.1894	0.5021	516.3	1035.86	70.8	-9.7	0.70
Lindi		0.02821	2.7508		552.8	482.84	42.0	-9.7	0.94
		-0.7873	0.2337		620.5	1640.49	142.7	-10.3	0.28
		1.9440	-1.6667	0.3871	598.9	1300.21	113.1	8.3	0.55
Regional		0.03785	2.6700		1541.1	551.00	43.8	-7.9	0.92
		-1.1067	0.3194		1679.6	1419.02	112.8	-14.9	0.49
		2.9345	-2.2779	0.4551	1614.6	1124.65	89.4	-8.96	0.68

Note: Bold type indicates selected model.