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international studbook hartmann's mountain zebra - Marwell Zoo

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Demographic Graphs<br />

HARTMANN’S MOUNTAIN ZEBRA <strong>studbook</strong><br />

EEP population<br />

All graphs have been smoothed 1x in pm2000 (05.06.2008)<br />

BII<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

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