Sexual Segregation in Ungulates: Ecology, Behavior, and Conservation
Published by: Johns Hopkins University Press
Imprint: John Hopkins University
Sales Date: 2022-11-15
Published: November 2022
200 Pages, 7.10 x 10.20 x 0.70 in, 43 b&w illus.
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Why does it benefit some male and female animals to live separately?
Sexual segregation, wherein the sexes of a species live apart for long periods of time, has far-reaching consequences for the ecology, behavior, and conservation of hooved mammals, which are called ungulates. Award-winning researcher R. Terry Bowyer has spent the past four decades unravelling the causes and consequences of this perplexing phenomenon by studying ungulates and the large carnivores that prey upon them.
In Sexual Segregation in Ungulates, Bowyer's critical, thought-provoking approach helps resolve long-standing disagreements concerning sexual segregation and offers future pathways for species and habitat conservation. He highlights important elements of the natural history of wild ungulate species, including bighorn sheep and elk. He then uses this perspective to frame and test hypotheses illuminating the motivations behind sexual segregation. He investigates the role of sexual segregation in mechanisms underpinning ungulate mating systems, sexual dimorphism, paternal behavior, and population dynamics.
Bowyer's research spans ecosystems from deserts to the Arctic and involves most species of ungulates inhabiting the North American continent. He also provides a timely review of sexual segregation for species of plants and other animals, including humans. Covering definitions, theory, findings, and practical applications of related study, Bowyer describes the behavioral patterns related to sexual segregation, explains how to detect these patterns, and considers the implications of sexual segregation for new approaches to conservation and management of ungulates and other species of wildlife.
This book is essential reading for scientists and all those interested in the conservation and management of species, including wildlife professionals, hunters, outdoor enthusiasts, and naturalists.
Chapter 1. Introduction and Overview
Ungulate Characteristics and Relevant Aspects of Their Behavior, Ecology, and Conservation
Predator Pits, Apparent Competition, and Territorial Regulation of Populations
Sexual Segregation in Plants and Animals
Chapter 2. Differences between the Sexes
Definitions of Sexual Segregation
Sexual Differences in Morphology, Physiology, and Foraging Behavior
The Role of Resources and Predation Risk in Gregariousness
Chapter 3. Temporospatial Patterns
Defining Social Groups
Temporal Patterns of Sexual Segregation and Aggregation
Spatial Patterns of Sexual Segregation
Chapter 4. Detection and Measurement
Detecting Sexual Segregation
Measuring Sexual Segregation
Effects of Scale
Chapter 5. Failed Concepts
Setting Aside Rejected Hypotheses
Limiting Overutilization of Habitats
Chapter 6. The Role of Social Behavior
Social Aggression and Sexual Affinities
The Social-Constraints Hypothesis
Chapter 7. Ecological Aspects of Sexual Segregation
Multiple Causations and Tradeoffs
Chapter 8. Consequences of Sexual Segregation for Theory and Management
Paternal Investment and Sexual Selection
Chapter 9. Failing to Consider Sexual Segregation
North American Elk
Chapter 10. The Future
Defining Sexual Segregation
Why Is Sexual Segregation Overlooked?
Future Questions and Directions
Relevance to Other Organisms