Effects of drivers and their variations on the number of stems and aboveground carbon removals in miombo woodlands of mainland Tanzania

Manyanda, Bernardol John; Nzunda, Emmanuel F.; Mugasha, Wilson Ancelm; Malimbwi, Rogers Ernest

doi:10.1186/s13021-021-00180-9

Table 4 Drivers and their corresponding number of stems and AGC removals in ownership types of miombo woodlands in Mainland Tanzania

From: Effects of drivers and their variations on the number of stems and aboveground carbon removals in miombo woodlands of mainland Tanzania

Ownership types	Drivers	Stems ha⁻¹ yr⁻	Stems % ha⁻¹ yr⁻¹	AGB tha⁻¹ yr⁻¹	AGC tCha⁻¹ yr⁻¹	AGC % tCha⁻¹ yr⁻¹
Central Government	Timber	0.507	10.511	0.114	0.056	26.306
	Natural death	1.503	31.143	0.103	0.050	23.651
	Fire	0.695	14.409	0.079	0.039	18.124
	Charcoal	0.284	5.888	0.037	0.018	8.604
	Grazing wild	0.561	11.617	0.037	0.018	8.467
	Firewood collection	0.331	6.851	0.026	0.013	6.040
	Poles	0.551	11.406	0.020	0.010	4.652
	Shifting cultivation	0.372	7.704	0.016	0.008	3.792
	Carvings	0.011	0.218	0.001	0.000	0.232
	Grazing domestic	0.012	0.254	0.001	0.000	0.132
	Total	4.827	100	0.434	0.213	100
Local Government	Natural death	1.684	23.388	0.310	0.152	33.885
	Charcoal	1.738	24.134	0.217	0.106	23.743
	Timber	0.988	13.719	0.210	0.103	23.032
	Firewood collection	2.315	32.141	0.140	0.068	15.288
	Fire	0.225	3.128	0.031	0.015	3.446
	Shifting cultivation	0.118	1.634	0.004	0.002	0.471
	Poles	0.106	1.476	0.001	0.000	0.080
	Grazing domestic	0.019	0.269	0.000	0.000	0.054
	Grazing wild	0.008	0.111	0.000	0.000	0.002
	Total	7.201	100	0.914	0.448	100
Village land	Fire	1.000	7.911	0.315	0.154	22.305
	Timber	0.841	6.654	0.278	0.136	19.694
	Natural death	2.000	15.815	0.227	0.111	16.082
	Charcoal	1.363	10.779	0.177	0.087	12.550
	Shifting cultivation	3.038	24.024	0.160	0.079	11.366
	Poles	2.337	18.479	0.122	0.060	8.678
	Firewood collection	1.755	13.882	0.115	0.056	8.156
	Grazing wild	0.170	1.347	0.008	0.004	0.564
	Carvings	0.066	0.522	0.004	0.002	0.300
	Grazing domestic	0.063	0.499	0.004	0.002	0.288
	Mining	0.011	0.087	0.000	0.000	0.017
	Total	12.645	100	1.411	0.691	100
Private Land	Shifting cultivation	11.128	59.113	1.102	0.540	60.139
	Charcoal	2.466	13.101	0.355	0.174	19.388
	Timber	0.625	3.320	0.135	0.066	7.344
	Firewood collection	1.913	10.160	0.116	0.057	6.348
	Poles	1.991	10.577	0.059	0.029	3.216
	Natural death	0.374	1.987	0.046	0.023	2.517
	Fire	0.278	1.478	0.016	0.008	0.872
	Pole	0.033	0.175	0.003	0.001	0.167
	Grazing wild	0.016	0.088	0.000	0.000	0.009
	Total	18.825	100	1.832	0.898	100
General land	Timber	1.577	13.068	0.807	0.395	48.146
	Natural death	2.719	22.537	0.247	0.121	14.754
	Charcoal	2.163	17.925	0.226	0.111	13.470
	Fire	1.911	15.838	0.155	0.076	9.268
	Shifting cultivation	1.308	10.839	0.086	0.042	5.127
	Poles	0.854	7.080	0.085	0.042	5.059
	Carvings	0.256	2.124	0.034	0.017	2.056
	Firewood collection	0.721	5.976	0.027	0.013	1.586
	Grazing wild	0.260	2.153	0.006	0.003	0.344
	Grazing domestic	0.297	2.461	0.003	0.002	0.191
	Total	12.065	100	1.675	0.821	100
Unknown	Firewood collection	1.051	68.394	0.010	0.005	69.823
	Natural death	0.486	31.606	0.004	0.002	30.177
	Total	1.536	100	0.014	0.007	100

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ISSN: 1750-0680

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