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Life Sciences

University of New Mexico

Optimization

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Optimal Foraging: Some Theoretical Explorations, Eric Charnov, Gordon H. Orians Feb 2006

Optimal Foraging: Some Theoretical Explorations, Eric Charnov, Gordon H. Orians

Biology Faculty & Staff Publications

This book had its genesis in a rather disorganized and poorly conceived lecture on optimal foraging theory that one of us (GHO) gave to an advanced ecology class during the winter of 1971.The deficiencies in that treatment, combined with the obvious potential of an improved conceptualization and analysis of the problem, led to the formation of a small seminar on optimal foraging theory attended by Charles Fowler, Nolan Pearson and ourselves. This seminar, which extended over two academic quarters, produced the basic fine-grained foraging models and some hints about wider applications of the results. We both found ourselves independently stimulated …


Reproductive Effort Is Inversely Proportional To Average Adult Life Span., Eric Charnov Jan 2005

Reproductive Effort Is Inversely Proportional To Average Adult Life Span., Eric Charnov

Biology Faculty & Staff Publications

Background: Forty years ago, G.C. Williams predicted that reproductive effort should be inversely related to the average adult life span across species. Aim: Use allometric life-history theory to refine that prediction. Result: Reproductive effort should be inversely proportional to average adult life span, a −1 scaling rule.


Mammal Life-History Evolution With Size-Dependent Mortality, Eric Charnov Jan 2005

Mammal Life-History Evolution With Size-Dependent Mortality, Eric Charnov

Biology Faculty & Staff Publications

Size dependence of mortality over the ontogeny is added to life-history optimization schemes for mammals