Inventory of wood resources, Ghana, year 2000 | ||||||||||||
SOURCE |
AREA |
STOCKS |
GROSS STOCKS |
GROWTH RATE |
PRODUCTIVITY |
GROSS ANNUAL PRODUCTION |
AVAILABILITY |
ACCESSIBILITY |
NET ANNUAL PRODUCTION |
% |
NET STOCKS |
% |
M ha |
t/ha |
Mt |
Per year |
t/ha/year |
Mt/year |
Coefficient |
Coefficient |
Mt/year |
Mt |
|||
Savannah |
8,500 |
30 |
255 |
0,03 |
0,9 |
7,650 |
0,75 |
0,7 |
4,016 |
22% |
133,875 |
33% |
High forest |
1,600 |
160 |
256 |
0,02 |
3,2 |
5,120 |
0,5 |
0,6 |
1,536 |
9% |
76,800 |
19% |
Mangrove |
0,400 |
120 |
48 |
0,04 |
4,8 |
1,920 |
0,45 |
0,8 |
0,691 |
4% |
17,280 |
4% |
Plantations |
0,075 |
50 |
4 |
0,04 |
2 |
0,150 |
1 |
1 |
0,150 |
1% |
3,750 |
1% |
Farmed land |
2,000 |
30 |
60 |
0,03 |
0,9 |
1,800 |
0,6 |
1 |
1,080 |
6% |
36,000 |
9% |
Farmed land in high forest |
4,000 |
20 |
80 |
0,04 |
0,8 |
3,200 |
0,7 |
1 |
2,240 |
12% |
56,000 |
14% |
Cacao plantations |
0,700 |
60 |
42 |
0,04 |
2,4 |
1,680 |
0,6 |
0,95 |
0,958 |
5% |
23,940 |
6% |
Caffee plantations |
0,030 |
60 |
1,8 |
0,04 |
2,4 |
0,072 |
0,6 |
0,95 |
0,041 |
0% |
1,026 |
0% |
Live hedges |
0,001 |
300 |
0,3 |
0,04 |
12 |
0,012 |
0,4 |
1 |
0,005 |
0% |
0,120 |
0% |
Coconut groves |
0,025 |
80 |
2 |
0,02 |
1,6 |
0,040 |
0,5 |
1 |
0,020 |
0% |
1,000 |
0% |
Settlements |
0,500 |
10 |
5 |
0,02 |
0,2 |
0,100 |
0,7 |
1 |
0,070 |
0% |
3,500 |
1% |
Forest fallow |
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% | |||||
Source : FAO 2001c.