کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1906313 1046276 2012 9 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Trading stages: Life expectancies in structured populations
موضوعات مرتبط
علوم زیستی و بیوفناوری بیوشیمی، ژنتیک و زیست شناسی مولکولی سالمندی
پیش نمایش صفحه اول مقاله
Trading stages: Life expectancies in structured populations
چکیده انگلیسی

Interest in stage-and age structured models has recently increased because they can describe quantitative traits such as size that are left out of age-only demography. Available methods for the analysis of effects of vital rates on lifespan in stage-structured models have not been widely applied because they are hard to use and interpret, and tools for age and stage structured populations are missing. We present easily interpretable expressions for the sensitivities and elasticities of life expectancy to vital rates in age-stage models, and illustrate their application with two biological examples. Much of our approach relies on trading of time and mortality risk in one stage for time and risk in others. Our approach contributes to the new framework of the study of age- and stage-structured biodemography.


► Novel sensitivities and elasticities for age-stage structured populations.
► Trading of time and mortality risk in one stage for time and risk in others.
► Key features of age-stage demography that cannot be described in age-only demography.
► Perturbation analyses of life expectancy to vital rates in age-stage models.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Experimental Gerontology - Volume 47, Issue 10, October 2012, Pages 773–781
نویسندگان
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