Age and size at maturity: A quantitative review of diet-induced reaction norms in insects
نویسندگان
چکیده
منابع مشابه
Reaction Norms for Age and Size at Maturity in Lasiommata Butterflies: Predictions and Tests.
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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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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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OBJECTIVES We test (McIntyre and Kacerosky's [2011]: Am J Hum Biol 23:305-312) prediction that the relationship between age at menarche and height switches from negative to positive, in a unidirectional and smooth manner, as the society industrializes. According to this prediction, a mid-level industrial country should exhibit a weak relationship between the two variables. METHODS The 8,013 o...
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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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ژورنال
عنوان ژورنال: Evolution
سال: 2014
ISSN: 0014-3820
DOI: 10.1111/evo.12518