Indian One horned Rhinoceros - Central Zoo Authority
Indian One horned Rhinoceros - Central Zoo Authority
Indian One horned Rhinoceros - Central Zoo Authority
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Age distribution<br />
The age structure of the<br />
living population of one<br />
<strong>horned</strong> rhinoceros in<br />
captivity in <strong>Indian</strong> zoos<br />
was modelled using<br />
PM2000. The results<br />
obtained for stable age<br />
distribution (modelled<br />
data) suggest that the<br />
presence of individuals in<br />
each class is essential for<br />
a stable population. If<br />
rapid population growth is<br />
targeted then the number<br />
of individuals in the lower<br />
age classes should be<br />
high i.e. a high birth rate is required. For the maintenance of a demographically<br />
stable population the distribution of individuals in each age class is necessary.<br />
Table 10 Age distribution of the living captive one <strong>horned</strong> rhinoceros in <strong>Indian</strong> zoos<br />
Age (x) Males Females<br />
Actual Stable Actual Stable<br />
0 0 0.63 0 0.56<br />
1 0 0.54 0 0.51<br />
2 0 0.54 0 0.51<br />
3 0 0.56 1 0.49<br />
4 2 0.55 2 0.49<br />
5 1 0.55 0 0.5<br />
6 1 0.57 0 0.51<br />
7 1 0.59 1 0.51<br />
8 0 0.62 2 0.51<br />
9 1 0.64 1 0.51<br />
10 0 0.67 0 0.52<br />
11 0 0.68 0 0.53<br />
12 0 0.69 1 0.52<br />
13 1 0.7 0 0.53<br />
14 0 0.72 0 0.54<br />
15 0 0.75 0 0.55<br />
16 0 0.77 1 0.55<br />
17 1 0.76 0 0.54<br />
18 0 0.75 0 0.55<br />
19 0 0.76 1 0.55<br />
28
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