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Calculation of instantaneous birth rate 1
Author(s) -
Paloheimo Jyri E.
Publication year - 1974
Publication title -
limnology and oceanography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.7
H-Index - 197
eISSN - 1939-5590
pISSN - 0024-3590
DOI - 10.4319/lo.1974.19.4.0692
Subject(s) - birth rate , mathematics , statistics , demography , research methodology , sociology , population
A formula giving the instantaneous birth rate is derived for egg bearing species or species which bear their young. It is shown that the instantaneous birth rate can be calculated when the egg ratio or pregnancy rate and the development time are known. The new method is compared with earlier ones by Edmondson and Caswell: the latter applies incorrectly an earlier formula by Leslie while Edmondson’s formula gives biased results, the bias depending on the length of the development time.

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