Modelling aboveground forest biomass using airborne laser scanner data in the miombo woodlands of Tanzania

Table 5 Summary of field data

Category^a	Number of plots	AGB (Mg ha⁻¹)
Category^a	Number of plots	Minimum	Maximum	Mean	Standard deviation
Stratification
Stratum 5	116	3.9	158.2	45.9	29.8
Stratum 6	81	2.2	179.2	51.3	41.7
Stratum 7	90	2.4	270.3	84.7	61.3
Stratum 8	119	0.3	349.9	79.4	53.7
Stratum 9	23	0.3	125.6	38.7	35.4
Stratum 10	6	0.3	56.1	16.0	20.5
Stratum 11	16	55.1	186.9	87.9	32.4
Stratum 12	38	34.3	182.7	85.2	35.6
Post-stratification
Vegetation type
Forest	40	27.8	232.2	88.3	39.6
Woodlands	391	0.3	349.9	66.3	48.4
Other cover types	58	0.3	270.3	46.9	53.7
Land use type
Production and protection forests	314	0.3	349.9	75.6	49.5
Wildlife reserves	91	0.3	190.6	50.8	39.0
Agriculture and other land uses	84		270.3	45.5	48.1
All	489	0.3	349.9	65.8	49.2

Number of plots for the different strata and post-strata together with minimum, maximum, and mean ground reference AGB values with their corresponding standard deviation
^aStratum 1–6 refers to the strata to which field plots belongs as described in the text and elaborated by Tomppo et al. [6]; Forest = land spanning more than 0.5 ha with trees that have heights of more than 5 m and a canopy cover of more than 10 %. It does not include land that is predominantly under agricultural or urban land use. Woodland = forestland with less dense canopy cover compared to forest. Other cover types = all cover types that were neither forest nor woodlands. Production and protection forests = forest areas designated for protection of water (i.e. catchment forests) and that designated for production of wood, respectively. Wildlife reserves = forest areas designated for game reserves and game controlled areas. Agriculture and other land use types = areas designated primarily for a function other than production, protection or game reserves. Details descriptions of these categories are given in MNRT [60]

ISSN: 1750-0680