Table 3 Rate of change of land use units within the same class (period 1991–2006)
From: Dynamic of land use and vegetation change in the eastern bank of Bénoué (North Cameroon)
Occupancy classes | Area (ha) 2006 | Area (ha) 2021 | Change (2021–2006) ha | Rate of change | Expansion rate | |
|---|---|---|---|---|---|---|
Building | 56129.76 | 58539.69 | 2409.93 | 4.29 | 0.28 | |
Shrubby savannah | 429190.83 | 263907.09 | − 165283.7 | − 38.51 | − 3.23 | |
Grasslang savannah | 130936.5 | 147069.12 | 16132.62 | 12.32 | 0.77 | |
Rey-Bouba | Gallery forest | 84388.68 | 127606.59 | 43217.91 | 51.21 | 2.75 |
Bare ground | 60115.68 | 71950.18 | 11834.5 | 19.69 | 1.19 | |
Farmlang | 85676.31 | 111205.8 | 25529.49 | 29.89 | 1.73 | |
Bruli | 12328.83 | 43941.51 | 31612.68 | 256.41 | 8.45 | |
Lake/Water surface | 22775.94 | 57322.55 | 34546.61 | 151.68 | 6.13 | |
Total | 881542.53 | 881542.53 | ||||
Building | 12813.12 | 16177.973 | 3364.85 | 26.26 | 1.55 | |
Shrubby savannah | 133086.06 | 117988.35 | − 15097.70 | − 11.34 | − 0.8 | |
Bibemi | Grasslang savannah | 5986.71 | 16620.265 | 10633.56 | 177.62 | 6.79 |
Gallery forest | 34803.405 | 27867.78 | − 6935.62 | − 19.93 | − 1.48 | |
Bare ground | 12271.32 | 16549.05 | 4277.73 | 34.86 | 1.99 | |
Farmland | 13815.9 | 18774.81 | 4958.91 | 35.89 | 2.04 | |
Bruli | 28277.505 | 20449.08 | − 7828.42 | − 27.68 | − 2.15 | |
Lake/Water surface | 15382.44 | 22009.14 | 6626.7 | 43.08 | 2.38 | |
Total | 256436.46 | 256436.46 |