Table 1. Population and harvest characteristics for three species of duiker.
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|
Species |
Mean population weight (kg) |
K†
(individuals/km²) |
D‡
(kg/km²) |
rmax§ |
Pmax¦
(kg km−2 yr−1) |
MSY¶
(kg km−2 yr−1) |
Observed annual offtake
(kg km−2 yr−1) |
| |
|
Peter’s duiker |
17.8# |
10.7 |
100.78 |
0.56 |
70.44 |
28.18 |
19.12 |
|
Bay duiker |
17.8# |
7.1 |
65.60 |
0.56 |
45.85 |
18.34 |
12.94 |
|
Blue duiker |
4.23†† |
70 |
155.40 |
0.94 |
223.01 |
89.21 |
24.06 |
|
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†Carrying capacity (Feer 1996).
‡D = 60% of K.
§Maximum rate of population increase.
¦Maximum annual production.
¶Maximum sustainable yield.
#Dethier and Ghuirghi (1999).
††Noss (1998 b).
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