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Zoology and wildlife conservation

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Abstracts » Zoology and wildlife conservation

Honesty in sexual selection

Article Abstract:

A study prepared by L. Gustafsson, A. Qvarnstrom, and B.C. Sheldon examines the size of the white patch on the forehead of male collared flycatchers as an honest indicator of the birds' reproductive activities and the quality of their male offsprings' upbringing. A vital theory in sexual selection considers display characteristics as reliable indicators of quality, since only those in good condition can cope with the costs of maintaining such traits.

Author: Reynolds, John D., Sutherland, William J.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1995
Biological research, Muscicapidae, Flycatchers, Sexual selection in animals, Sexual selection (Natural selection)

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The best solution

Article Abstract:

The use of optimization has allowed biologists to move from merely describing patterns or mechanisms to being able to predict, from first principles, how organisms should be designed. Optimization can be used to understand behavior, and to predict population dynamics, in new environments, such as those resulting from habitat loss or a rise in sea level.

Author: Sutherland, William J.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2005
United States, Mathematical optimization, Optimization theory

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Do power laws imply self-regulation?

Article Abstract:

The role of negative feedback in self-regulation is examined in detail. Waiting lists for hospital treatment are used as an example for understanding this issue.

Author: Sutherland, William J., Freckleton, Robert P.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2001
Hospitals, Hospital administration, Feedback control systems

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Subjects list: Research, Analysis
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