Inventario de recursos leñeros, Ghana, año 2000 | ||||||||||||
FUENTE |
AREA |
EXISTENCIAS |
EXISTENCIAS BRUTAS |
TASA DE CRECI-MIENTO |
PRODUC-TIVIDAD |
PRODUC-CION ANUAL BRUTA |
DISPO-NIBILI-DAD |
ACCE-SIBILI-DAD |
PROD. ANUAL NETA |
% |
EXISTEN-CIAS NETAS |
% |
|
M ha |
t/ha |
M t |
Por año |
t/ha/año |
M t/año |
Coefi-ciente |
Coefi- ciente |
Mt/año |
|
Mt |
|
Savana |
8.500 |
30 |
255 |
0.03 |
0.9 |
7.650 |
0.75 |
0.7 |
4.016 |
22% |
133.875 |
33% |
Bosque Alto |
1.600 |
160 |
256 |
0.02 |
3.2 |
5.120 |
0.5 |
0.6 |
1.536 |
9% |
76.800 |
19% |
Mangles |
0.400 |
120 |
48 |
0.04 |
4.8 |
1.920 |
0.45 |
0.8 |
0.691 |
4% |
17.280 |
4% |
Plantaciones |
0.075 |
50 |
4 |
0.04 |
2 |
0.150 |
1 |
1 |
0.150 |
1% |
3.750 |
1% |
Tierras de cultivo en savana |
2.000 |
30 |
60 |
0.03 |
0.9 |
1.800 |
0.6 |
1 |
1.080 |
6% |
36.000 |
9% |
en zona de bosque alto |
4.000 |
20 |
80 |
0.04 |
0.8 |
3.200 |
0.7 |
1 |
2.240 |
12% |
56.000 |
14% |
Cacaotales |
0.700 |
60 |
42 |
0.04 |
2.4 |
1.680 |
0.6 |
0.95 |
0.958 |
5% |
23.940 |
6% |
Cafetales |
0.030 |
60 |
1.8 |
0.04 |
2.4 |
0.072 |
0.6 |
0.95 |
0.041 |
0% |
1.026 |
0% |
Cercas vivas |
0.001 |
300 |
0.3 |
0.04 |
12 |
0.012 |
0.4 |
1 |
0.005 |
0% |
0.120 |
0% |
Cocoteros |
0.025 |
80 |
2 |
0.02 |
1.6 |
0.040 |
0.5 |
1 |
0.020 |
0% |
1.000 |
0% |
Asentamientos |
0.500 |
10 |
5 |
0.02 |
0.2 |
0.100 |
0.7 |
1 |
0.070 |
0% |
3.500 |
1% |
Barbechos forestales |
3.000 |
20 |
60 |
0.15 |
3 |
9.000 |
0.8 |
1 |
7.200 |
40% |
48.000 |
12% |
sub-total |
20.831 |
|
|
|
|
|
|
|
|
|
|
|
TOTAL |
23.800 |
|
813.85 |
|
|
30.744 |
|
|
18.007 |
100% |
401.291 |
100% |
Fuente: FAO 2001 c.