viii
C O N T E N T S
Survey of Recent Ecological Studies
40
Future Approaches
42
Study Protocols and Technological Advances
43
Marker Evaluation Studies
44
Acknowledgments
46
Literature Cited
46
Chapter 3: Animal Home Ranges and Territories and Home
Range Estimators
Roger A. Powell
65
Definition of Home Range
65
Territories
70
Estimating Animals’ Home Ranges
74
Utility Distributions
75
Grids
77
Minimum Convex Polygon
79
Circle and Ellipse Approaches
80
Fourier Series
80
Harmonic Mean Distribution
81
Fractal Estimators
82
Kernel Estimators
86
Home Range Core
91
Quantifying Home Range Overlap and Territoriality
94
Static Interactions
95
Dynamic Interactions
97
Testing for Territoriality
98
Lessons
100
Acknowledgments
103
Literature Cited
103
Chapter 4: Delusions in Habitat Evaluation: Measuring Use,
Selection, and Importance
David L. Garshelis
111
Terminology
112
Methods for Evaluating Habitat Selection, Preference, and Quality 114
Use–Availability Design
114
Site Attribute Design
117
Demographic Response Design
118
Problems with Use–Availability and Site Attribute Designs
118