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Authors | |
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List of Illustrations | |
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List of Tables | |
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Preface | |
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Hypothesis Testing in Ecology | |
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Some Definitions | |
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What Is a Hypothesis? | |
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Hypotheses and Models | |
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Hypotheses and Paradigms | |
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Statistical Hypotheses | |
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Hypotheses and Prediction | |
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Acknowledgments | |
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Literature Cited | |
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A Critical Review of the Effects of Marking on the Biology of Vertebrates | |
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Review of the Literature | |
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Which Markers to Use? | |
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Effects of Markers Among Taxa | |
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Critique of Marker Evaluation Studies | |
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Review of Current Guidance Available for Choosing Markers | |
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Critique of Guidelines Available for Choosing Markers | |
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Survey of Recent Ecological Studies | |
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Future Approaches | |
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Study Protocols and Technological Advances | |
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Marker Evaluation Studies | |
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Acknowledgments | |
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Literature Cited | |
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Animal Home Ranges and Territories and Home Range Estimators | |
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Definition of Home Range | |
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Territories | |
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Estimating Animals' Home Ranges | |
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Utility Distributions | |
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Grids | |
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Minimum Convex Polygon | |
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Circle and Ellipse Approaches | |
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Fourier Series | |
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Harmonic Mean Distribution | |
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Fractal Estimators | |
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Kernel Estimators | |
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Home Range Core | |
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Quantifying Home Range Overlap and Territoriality | |
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Static Interactions | |
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Dynamic Interactions | |
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Testing for Territoriality | |
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Lessons | |
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Acknowledgments | |
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Literature Cited | |
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Delusions in Habitat Evaluation: Measuring Use, Selection, and Importance | |
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Terminology | |
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Methods for Evaluating Habitat Selection, Preference, and Quality | |
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Use-Availability Design | |
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Site Attribute Design | |
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Demographic Response Design | |
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Problems with Use-Availability and Site Attribute Designs | |
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Defining Habitats | |
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Measuring Habitat Use | |
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Measuring Habitat Availability | |
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Assessing Habitat Selection: Fatal Flaw 1 | |
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Inferring Habitat Quality: Fatal Flaw 2 | |
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Advantages and Problems of the Demographic Response Design | |
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Applications and Recommendations | |
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Acknowledgments | |
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Literature Cited | |
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Investigating Food Habits of Terrestrial Vertebrates | |
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Conventional Approaches and Their Limitations | |
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Direct Observation | |
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Lead Animals | |
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Feeding Site Surveys | |
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Exclosures | |
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Postingestion Samples | |
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Evaluating the Importance of Specific Foods and Prey | |
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Use, Selection, or Preference? | |
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Availability Versus Abundance | |
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Cafeteria Experiments | |
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Innovations | |
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Improvements on Lead Animal Studies | |
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Use of Isotope Ratios | |
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Experimental Manipulations | |
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The Role of Foraging Theory in Understanding Food Habits | |
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Lessons | |
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Sample Resolution and Information Obtained | |
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Improving Sample Resolution and Information Content | |
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Literature Cited | |
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Detecting Stability and Causes of Change in Population Density | |
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Detection of Density Dependence | |
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Analysis of Time Series of Density | |
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Analysis of Data on Mortality or Survival | |
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Detection of Delayed Density Dependence | |
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Detection of Causes of Population Change | |
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Key Factor Analysis | |
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Experimental Manipulation | |
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Conclusions | |
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Literature Cited | |
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Monitoring Populations | |
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Index-Abundance Relationships | |
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Types of Indices | |
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Index-Abundance Functions | |
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Variability of Index-Abundance Functions | |
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Improving Index Surveys | |
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Spatial Aspects of Measuring Changes in Indices | |
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Monitoring Indices Over Time | |
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Power Estimation for Monitoring Programs | |
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Variability of Indices of Animal Abundance | |
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Sampling Requirements for Robust Monitoring Programs | |
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Setting Objectives for a Monitoring Program | |
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Conclusions | |
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Acknowledgments | |
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Appendix 7.1 | |
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Literature Cited | |
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Modeling Predator-Prey Dynamics | |
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Modeling Approaches for Predator-Prey Systems | |
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Noninteractive Models | |
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True Predator-Prey Models | |
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Stochastic Models | |
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Autoregressive Models | |
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Fitting the Model to Data | |
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Bayesian Statistics | |
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Best Guess Followed by Adaptive Management | |
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Choosing a Good Model | |
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How Much Detail? | |
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Model Validation | |
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Recommendations | |
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Remember the Audience | |
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Conclusion | |
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Acknowledgments | |
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Literature Cited | |
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Population Viability Analysis: Data Requirements and Essential Analyses | |
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Qualitative Observations About Population Persistence | |
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Generalities | |
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Contradictions | |
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Sources of Variation Affecting Population Persistence | |
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No Variation | |
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Stochastic Variation | |
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Demographic Variation | |
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Temporal Variation | |
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Spatial Variation | |
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Individual Variation | |
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Process Variation | |
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Components of a PVA | |
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Direct Estimation of Variance Components | |
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Indirect Estimation of Variance Components | |
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Bootstrap Approach | |
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Basic Population Model and Density Dependence | |
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Incorporation of Parameter Uncertainty into Persistence Estimates | |
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Discussion | |
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Conclusion | |
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Literature Cited | |
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Measuring the Dynamics of Mammalian Societies: An Ecologist's Guide to Ethological Methods | |
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Social Dynamics | |
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Context | |
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Why Study Social Dynamics? | |
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Evolution of Sociality | |
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Conservation Applications | |
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Understanding Ourselves | |
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How to Describe Social Dynamics | |
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Action, Interaction, and Relationships | |
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Social Networks | |
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Social Structure, from Surface to Deep | |
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Behavioral Parameters | |
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The Bout | |
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Stationarity | |
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The Ethogram | |
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Beware Teleology | |
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Classifications of Behavioral Interactions | |
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Methods for Behavioral Measurement | |
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Identifying the Individual | |
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Sampling and Recording Rules | |
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Ad Libitum Sampling | |
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Focal Sampling | |
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Time Sampling | |
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Techniques for Behavioral Measurement | |
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Analysis of Observational Data | |
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Statistical Rationality | |
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Matrix Facilities: Analyzing Sequential Data | |
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Lag Sequential and Nested Analysis | |
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Searching for a Behavioral Pattern (Markov Chain) | |
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Predictability of Behavior | |
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Sequences Through the Mist | |
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Acknowledgments | |
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Literature Cited | |
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Modeling Species Distribution with GIS | |
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Terminology | |
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Habitat Definitions and Use | |
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General Structure of GIS-Based Models | |
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Literature Review | |
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Modeling Issues | |
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Clear Objectives | |
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Assumptions | |
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Spatial and Temporal Scale | |
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Data Availability | |
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Validation and Accuracy Assessment | |
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Discussion | |
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Conclusions | |
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Acknowledgments | |
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Notes | |
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Literature Cited | |
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Index | |