REACTION NORMS FOR AGE AND SIZE AT MATURITY IN LASIOMMATA BUTTERFLIES: PREDICTIONS AND TESTS

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Reaction Norms for Age and Size at Maturity in Lasiommata Butterflies: Predictions and Tests.

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We used life-history theory to predict reaction norms for age and size at maturation. We assumed that fecundity increases with size and that juvenile mortality rates of offspring decrease as ages-at-maturity of parents increase, then calculated the reaction norm by varying growth rate and calculating an optimal age at maturity for each growth rate. The reaction norm for maturation should take o...

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Measuring probabilistic reaction norms for age and size at maturation.

We present a new probabilistic concept of reaction norms for age and size at maturation that is applicable when observations are carried out at discrete time intervals. This approach can also be used to estimate reaction norms for age and size at metamorphosis or at other ontogenetic transitions. Such estimations are critical for understanding phenotypic plasticity and life-history changes in v...

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It is quite common in studies of life-history plasticity to find a negative relationship between the age at which various life-history transitions occur and the growth conditions under which individuals develop. In particular, high growth typically results in earlier transitions, often at a larger size. Here, we use a relatively general optimization model for age and size at life-history transi...

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Age and size at maturity in Indonesian women: a norm of reaction?

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ژورنال

عنوان ژورنال: Evolution

سال: 1996

ISSN: 0014-3820

DOI: 10.1111/j.1558-5646.1996.tb02377.x