international studbook hartmann's mountain zebra - Marwell Zoo
international studbook hartmann's mountain zebra - Marwell Zoo
international studbook hartmann's mountain zebra - Marwell Zoo
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Demographic Graphs<br />
HARTMANN’S MOUNTAIN ZEBRA <strong>studbook</strong><br />
Global population<br />
All graphs have been smoothed 1x in pm2000 (31.12.2007)<br />
BI<br />
Mx – age specific fecundity.<br />
Average number of same sex offspring<br />
produced by a parent of age class x.<br />
(e.g.: the average number of daughters<br />
born to mothers<br />
Qx – age specific mortality<br />
The average proportion of animals that<br />
are expected to die within a given age<br />
class. The lower the value, the greater<br />
the average survival through an age<br />
class x<br />
Vx – Reproductive Value<br />
Expected future lifetime reproduction<br />
by an animal of age x<br />
Lx – Age specific survivorship.<br />
Probability of a newborn surviving the<br />
the value, the greater average survival<br />
from birth to age class x