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      Horn size and nutrition in mountain sheep: Can ewe handle the truth? : Saga of the Forgotten Ewe

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          Most cited references 187

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          Early development and fitness in birds and mammals.

          Conditions experienced during early development affect survival and reproductive performance in many bird and mammal species. Factors affecting early development can therefore have an important influence both on the optimization of life histories and on population dynamics. The understanding of these evolutionary and dynamic consequences is just starting to emerge.
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            Natural selection and the heritability of fitness components.

            The hypothesis that traits closely associated with fitness will generally possess lower heritabilities than traits more loosely connected with fitness is tested using 1120 narrow sense heritability estimates for wild, outbred animal populations, collected from the published record. Our results indicate that life history traits generally possess lower heritabilities than morphological traits, and that the means, medians, and cumulative frequency distributions of behavioural and physiological traits are intermediate between life history and morphological traits. These findings are consistent with popular interpretations of Fisher's (1930, 1958) Fundamental Theorem of Natural Selection, and Falconer (1960, 1981), but also indicate that high heritabilities are maintained within natural populations even for traits believed to be under strong selection. It is also found that the heritability of morphological traits is significantly lower for ectotherms than it is for endotherms which may in part be a result of the strong correlation between life history and body size for many ectotherms.
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              The Lek Paradox and the Capture of Genetic Variance by Condition Dependent Traits

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                Author and article information

                Journal
                The Journal of Wildlife Management
                Jour. Wild. Mgmt.
                Wiley
                0022541X
                January 2018
                January 2018
                October 04 2017
                : 82
                : 1
                : 67-84
                Affiliations
                [1 ]Haub School of Environment and Natural Resources, Wyoming Cooperative Fish and Wildlife Research Unit; Department of Zoology and Physiology, University of Wyoming; 804 East Fremont St. Laramie WY 82072 USA
                [2 ]Department of Fish and Wildlife Sciences; University of Idaho; 875 Perimeter Dr., MS 1142 Moscow ID 83844 USA
                [3 ]Sierra Nevada Bighorn Sheep Recovery Program; California Department of Fish and Wildlife; 787 North Main Street, Suite 220 Bishop CA 93514 USA
                [4 ]Department of Natural Resources and Environmental Science; University of Nevada Reno; Mail Stop 186, 1664 North Virginia Street Reno NV 89557 USA
                [5 ]Institute of Arctic Biology; University of Alaska Fairbanks; Box 757000 Fairbanks AK 99775 USA
                [6 ]Wyoming Cooperative Fish and Wildlife Research Unit, Department of Zoology and Physiology; University of Wyoming; Dept. 3166, 1000 E. University Ave Laramie WY 82071 USA
                Article
                10.1002/jwmg.21338
                © 2017

                http://doi.wiley.com/10.1002/tdm_license_1.1

                http://onlinelibrary.wiley.com/termsAndConditions#vor

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