Radio Tracking and Animal Populations

  • ID: 1770346
  • Book
  • 474 Pages
  • Elsevier Science and Technology
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Radio Tracking and Animal Populations is a succinct synthesis of emerging technologies and their applications to the empirical and theoretical problems of population assessment. The book is divided into sections designed to encompass the various aspects of animal ecology that may be evaluated using radiotelemetry technology - experimental design, equipment and technology, animal movement, resource selection, and demographics. Wildlife biologists at the leading edge of new developments in the technology and its application have joined forces.

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Contributors

Preface


Part I: Introduction


Chapter 1. Historical and Practical Perspectives


The First 20 Years


The Third Decade


The 1990s


The Future


Part II: Experimental Design


Chapter 2. Experimental Design for Radiotelemetry Studies


Critical Questions for Experimental Design


Ultimate Design: Demographic Responses to Landscape Conditions and Resource Selection


Summary


Chapter 3. Effects of Tagging and Location Error in Wildlife Radiotelemetry Studies


Effects of Transmitters on Animals


Location Error


Testing and Reporting Error Estimates


Summary


Part III: Equipment and Technology


Chapter 4. Recent Telemetry Technology


Power Supplies


Microcontrollers


Coded Transmitters


Sensors


Archival Tags


Satellite Telemetry Systems


Hyperbolic Telemetry Systems


Implications for Data Analysis


Implications for Researchers


Future Directions


Part IV: Animal Movements


Chapter 5. Analysis of Animal Space Use and Movements


Using Home Range Estimators to Analyze Animal Space Use


Analysis of Site Fidelity


Analysis of Animal Interactions


The Future: Modeling the Movement Process


Summary


Chapter 6. Fractal-Based Spatial Analysis of Radiotelemetry Data


Multiscale Analysis of Radiotelemetry Data


Fractal Analysis of Spatial Pattern


Modeling Fractal Patterns: Lévy Flights


Example: Sage Grouse Location Data


Future Directions


Summary


Chapter 7. Estimating and Visualizing Movement Paths from Radio-Tracking Data


Sources of Variation


Improving Accuracy and Precision


Demonstration


Visualizing Paths


Future Directions


Conclusions


Part V: Resource Selection


Chapter 8. Statistical Issues in Resource Selection Studies with Radio-Marked Animals


Common Assumptions in Resource Selection with Radio-Marked Animals


Inference from Resource Selection Studies


Study Designs


Scale and Resource Availability


Resource Use


Variable and Model Determination


Independence Issues


Analyzing Resource Use Relative to Availability


Future Directions


Summary


Chapter 9. Accounting for Variation in Resource Availability and Animal Behavior in Resource Selection Studies


Methods


Case Study: Summer, Diurnal, and Microsite Resource Selection by Elk in South Dakota


Results


Discussion


Summary


Chapter 10. Using Euclidean Distances to Assess Nonrandom Habitat Use


Desirable Characteristics of a Habitat Analysis Tool


Habitat Analysis with Euclidean Distances


Example of the Procedure Applied to Fox Squirrel Data


Comparison with Other Techniques


Benefits of the Euclidean Distance Approach


Research Needs


Future Directions


Summary


Chapter 11. Effect of Sample Size on the Performance of Resource Selection Analyses


Study Area and Technologies


Methods


Results


Discussion


Summary


Chapter 12. High-Tech Behavioral Ecology: Modeling the Distribution of Animal Activities to Better Understand Wildlife Space Use and Resource Selection


Space Use


Resource Selection


Improving Our Approach to the Study of Wildlife Radiotelemetry


Summary


Part VI: Population Demographics


Chapter 13. Population Estimation with Radio-Marked Animals


Direct Mark-Resight Estimation


Sightability Models


Correcting Bias of Grid Trapping Estimates


Future Developments


Summary


Chapter 14. Analysis of Survival Data from Radiotelemetry Studies


Approaches for Estimating Survival


Areas of Concern


What Must We Do?


Future Directions


Summary


Part VII: Concluding Remarks


Chapter 15. Radio-Tracking and Animal Populations: Past Trends and Future Needs


Past Trends


Future Needs


Appendix A. A Catalog of Software to Analyze Radiotelemetry Data


Preliminary Analyses


Animal Movements


Resource Selection


Demographics


General Statistics


Availability of Software


Equipment Vendors and Distributors


Literature Cited


Subject Index


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Millspaugh, Joshua
Marzluff, John M.
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