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Evolution Of Life Histories

1993-04-30 Science
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Release : 1993-04-30
Genre : Science
Kind : eBook
Book Rating : 910/5 ( reviews)

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Book Synopsis Evolution Of Life Histories by : Derek Roff

Download or read book Evolution Of Life Histories written by Derek Roff. This book was released on 1993-04-30. Available in PDF, EPUB and Kindle. Book excerpt: There are many different types of organisms in the world: they differ in size, physiology, appearance, and life history. The challenge for evolutionary biology is to explain how such diversity arises. The Evolution of Life Histories does this by showing that natural selection is the principal underlying force molding life history variation. The book describes in particular the ways in which variation can be analyzed and predicted. It covers both the genetic and optimization approaches to life history analysis and gives an overview of the general framework of life history theory and the mathematical tools by which predictions can be made and tested. Factors affecting the age schedule of birth and death and the costs of reproduction are discussed. The Evolution of Life Histories concentrates on those theoretical developments that have been tested experimentally. It will interest both students and professionals in evolution, evolutionary ecology, mathematical and theoretical biology, and zoology and entomology.

The Evolution of Life Histories

1992
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Release : 1992
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Book Synopsis The Evolution of Life Histories by : Stephen C. Stearns

Download or read book The Evolution of Life Histories written by Stephen C. Stearns. This book was released on 1992. Available in PDF, EPUB and Kindle. Book excerpt:

A Primer of Life Histories

2021-09-15 Science
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Release : 2021-09-15
Genre : Science
Kind : eBook
Book Rating : 259/5 ( reviews)

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Book Synopsis A Primer of Life Histories by : Jeffrey A. Hutchings

Download or read book A Primer of Life Histories written by Jeffrey A. Hutchings. This book was released on 2021-09-15. Available in PDF, EPUB and Kindle. Book excerpt: Life histories can be defined as the means by which individuals (or more precisely genotypes) vary their age- or stage-specific expenditures of reproductive effort in response to genetic, phenotypic, and environmental correlates of survival and fecundity. Life histories reflect the expression of traits most closely related to individual fitness, such as age and size at maturity, number and size of offspring, and the timing of the expression of those traits throughout an individual's life. In addition to addressing questions of fundamental importance to ecology and evolution, life-history research plays an integral role in species conservation and management. This accessible primer encompasses the basic concepts, theories, and applied elements of life history evolution, including patterns of trait variability, underlying mechanisms of plastic/evolutionary change, and the practical utility of life-history traits as metrics of species/population recovery, sustainable exploitation, and risk of extinction. Empirical examples are drawn from the entire spectrum of life. A Primer of Life Histories is designed for readers from a broad range of academic backgrounds and experience including graduate students and researchers of ecology and evolutionary biology. It will also be useful to a more applied audience of academic/government researchers in fields such as wildlife biology, conservation biology, fisheries science, and the environmental sciences.

Evolution and Genetics in Life Histories

2012-12-06 Science
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Release : 2012-12-06
Genre : Science
Kind : eBook
Book Rating : 709/5 ( reviews)

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Book Synopsis Evolution and Genetics in Life Histories by : H. Dingle

Download or read book Evolution and Genetics in Life Histories written by H. Dingle. This book was released on 2012-12-06. Available in PDF, EPUB and Kindle. Book excerpt: This volume is the result of a symposium entitled "Variation in Life Histories: Genetics and Evolutionary Processes" sponsored by the Program in Evolutionary Ecology and Behavior of the University of Iowa and held in Iowa City on October 13 and 14, 1980. Prompted by a recent upsurge of interest in the evolution of life histories, we chose this topic because of the obvious association between life history traits and Darwinian fit ness. If such an association were to be fruitfully investigated, it would require the closer cooperation of population and evolutionary ecologists and quantitative and population geneticists. To encourage such an association, our symposium had four major aims: first, to facilitate intellectual exchange across disciplines among an array of biologists studying life histories; second, to encourage exploration of genetic variance and covari ance for life history traits; third, to consider the ecological background for genetic vari ability; and finally, to facilitate a comparative overview both within and among species. Obviously such broad aims cannot be met totally in a single volume, but we think we have succeeded reasonably well in providing a representative and nourishing intel lectual feast. We see this book as a stimulus to the coordination of future efforts in an important and expanding area of inquiry. We have divided the book into six sections.

Life History Evolution

2002 Science
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Release : 2002
Genre : Science
Kind : eBook
Book Rating : 561/5 ( reviews)

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Book Synopsis Life History Evolution by : Derek A. Roff

Download or read book Life History Evolution written by Derek A. Roff. This book was released on 2002. Available in PDF, EPUB and Kindle. Book excerpt: Life History Evolution represents a synthetic approach to the understanding of the evolution of life history variation using the three types of environment (constant, stochastic, predictable) as the focus under which the theory is developed and tested. First, the author outlines a general framework for the study and analysis of life history variation, bringing together the approaches of quantitative genetic modeling and optimality analysis. Using this framework, he then discusses how life histories evolve in the three different types of environments, each of which presents unique characteristics. The theme of the book is that an understanding of evolutionary change requires analysis at both the genetic and phenotypic levels, and that the environment plays a central role in such analyses. Intended for graduate students and researchers, the book's emphasis is on assumptions and testing of models. Mathematical processes are described, but mathematical derivations are kept to a minimum. Each chapter includes a summary, and boxes provide supplementary material.

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