Agents and Implications of Landscape Pattern: Working Models for Landscape Ecology
The Physical Template of Landscapes -- 1.1. Introduction -- 1.2. Gradient Analysis -- 1.2.1. Gradient Complexes -- 1.3. The Water Balance -- 1.3.1. A Simple Model: PET = AET + Deficit -- 1.4. Estimating Elements of the Template -- 1.4.1. Temperature -- 1.4.2. Radiation -- 1.4.3. Precipitation -- 1.4.4. Soils -- 1.5. Case Study: the Sierra Nevada -- 1.5.1. The Physical Template of the Sierra Nevada -- 1.6. Summary and Conclusions -- References -- Biotic Processes as Agents of Pattern -- 2.1. Introduction -- 2.2. The "Pattern and Process" Paradigm -- 2.3. Coupling of Demographic Processes -- 2.4. Interaction with the Physical Template -- 2.4.1. Coupling Demography and the Physical Template -- 2.4.2. Competition along Environmental Gradients -- 2.4.3. Illustration: Gradient Response in the Sierra Nevada -- 2.4.4. The Unit Pattern Revisited -- 2.5. Dispersal as an Agent of Pattern -- 2.6. Animals, Pests, and Pathogens -- 2.6.1. Animals, Pests and Pathogens as Subtle Agents -- 2.6.2. Animals as Dramatic Agents -- 2.7. Summary and Conclusions -- References -- Disturbances and Disturbance Regimes -- 3.1. Introduction -- 3.1.1 Context and Definitions -- 3.2. Perspectives and Lessons -- 3.2.1. Are Disturbances "Part of the System"? -- 3.2.2. Interactions, Synergies, and Indirect Effects -- 3.2.3. Disturbances and Positive Feedbacks -- 3.2.4. Overlapping Disturbances and Legacies -- 3.2.5. Heterogeneity in Disturbance and Response -- 3.3. Disaggregating Disturbance toward Generality. 3.3.1 A Not-too-General Model -- 3.3.2. The Fire Regime in the Sierra Nevada -- 3.4. Characteristic Dynamics -- 3.5. Humans and Disturbance Regimes -- 3.5.1. Human Impacts on Natural Disturbances - 3.5.2. Novel Disturbance Regimes -- 3.5.3 Human Perception and Landscape Change -- 3.6. Agents of Pattern: Reprise -- 3.7. Summary and Conclusions -- References 78 -- 4. Scale and Scaling - 4.1. Introduction -- 4.2. The Importance of Scale in Ecology -- 4.2.1. Observational Scale as a Filter on Nature -- 4.2.2. Characteristic Scaling -- 4.2.3. Sampling Grain and Extent, and Statistical Behavior -- 4.3. Scaling Techniques -- 4.3.1. Scaling Techniques for Geostatistical Data -- 4.3.2. Illustration: Scaling of the Sierran Physical Template -- 4.4. Tactical Scaling -- 4.4.1. Tactical Targeting of Sampling Scale(s) -- 4.4.2. Avoid or Embrace Space? -- 4.5. Summary and Conclusions -- References -- 5. Inferences on Landscape Pattern -- 5.1. Introduction -- 5.2. Patchiness and Patches -- 5.2.1. Patch Definition -- 5.3. Landscape Pattern Metrics -- 5.3.1. Levels of Analysis -- 5.3.2. Components of Pattern -- 5.3.2 Correlation and Redundancy -- 5.3.4. Alternative Framings for Landscape Pattern -- 5.4. Interpreting Landscape Metrics -- 5.4.1. Neutral Models and Neutral Landscapes -- 5.4.2. Neutral Templates for Landscape Processes -- 5.4.3. Extending Neutral Models: Agents of Pattern -- 5.5. Explanatory Models and Inferences -- 5.5.1. Approaches to Inferences on Pattern -- 5.5.2. Illustrations -- 5.5. Explanatory Models and Inferences -- -- 5.5.1. Approaches to Inferences on Pattern -- 5.5.2. Illustrations -- 5.5.3. Inferences on Pattern: Area versus Configuration -- 5.5.4 Inferences on Pattern: the State-of-the-Art -- 5.6. Summary and Conclusions. References -- Implications of Pattern: Metapopulations -- 6.1. Introduction -- 6.2. Metapopulations in Theory -- 6.2.1. The Levins Model -- 6.2.2. The Spreading-of-Risk Model -- 6.2.3. The Source-Sink Model -- 6.2.4. The Incidence Function Model -- 6.2.5. Commonalities among Metapopulation Models -- 6.2.6. Characteristic Behaviors of (Model) Metapopulations -- 6.3. Metapopulations in Practice -- 6.3.1. Are there Real Metapopulations in Nature? -- 6.3.2. Macroscopic Approaches to Metapopulations -- 6.4. Network Models of Metapopulations -- 6.4.1. Graphs and Metapopulations -- 6.5. Metapopulations and Connectivity Conservation -- 6.5.1. Structural and Functional Connectivity -- 6.5.2. Metapopulations and Landscape Genetics -- 6.6. A Model Template for Applications -- 6.7. Summary and Conclusions -- References -- Supplement 6.1. Details on the Metapopulation Models -- S6.1.1. The Levins Model -- S6.1.2. The Spreading-of-Risk Model -- S6.2.3. The Source-Sink Model -- S6.2.4. The Incidence Function Model -- S6.2.5. Notes on the Individual-based Simulators Metapop1 -- Communities and Patterns of Biodiversity -- 7.1. Introduction -- 7.2. Island Biogeography and Landscapes -- 7.2.1. Area and Isolation Effects -- 7.2.2. Island Biogeographic Theory and the SLOSS Debate -- 7.2.3. A Diversity of Diversities -- 7.3. Perspectives on Metacommunities -- 7.3.1. A General Framing -- 7.3.2. Inferences and Limits to Inference -- 7.4. Approaches and Lines of Evidence -- 7.4.1. The Incidence Matrix and Community Assembly -- 7.4.2. Metacommunity Models: Variations on a Theme -- 7.4.3. Species Distribution Models -- 7.4.4. Multvariate Approaches to Partitioning Beta-diversity -- 7.4.5. Lines of Evidence and Complementary Analyses -- 7.5. Illustration: Sierran Forests -- 7.5.1. The Perspective of Ordination and Gradient Analysis -- 7.5.2. Partitioning Beta-diversity -- 7.6. Managing Metacommunities -- 7.7. Summary and Conclusions -- References -- Supplement 7.1. Disciplinary Approaches (Details) -- S7.1.1. Incidence Matrices and Community Assembly -- S7.1.2. Metacommunity Models: Variations -- S7.1.3. Species Distribution Models -- S7.1.4. Ordination Techniques -- IImplications of Pattern for Ecosystems -- 8.1. Introduction -- 8.2. Spatial Heterogeneity and Ecosystems -- 8.2.1. Spatial Heterogeneity in the Physical Template -- 8.2.2. Lateral Fluxes on Landscapes -- 8.2.3. Landform and Landscape Processes -- 8.2.4. Ecosystem Processes and Positive Feedbacks -- 8.2.5. Ecosystems are both Fast and Slow -- 8.3. Ecosystems and Landscape Legacies -- 8.4. Patch Juxtaposition and Edge Effects -- 8.4.1. Edge Effects, Revisited -- 8.4.2. Edges and Ecosystem Processes: Forest Carbon -- 8.5. Ecosystems and Meta-ecosystems -- 8.5.1. Couplings between Systems -- 8.5.2. Meta-ecosystems, Revisited -- 8.5.3. Implications of Meta-ecosystem Structure -- 8.6. Summary and Conclusions -- References -- Urban Landscapes -- 9.1. Introduction -- 9.2. Social-Environmental Systems -- 9.2.1. Approaches to Studying Cities -- 9.3. Agents and Implications of Pattern -- 9.3.1. Agents of Pattern -- 9.3.2. Scale and Pattern -- 9.3.3. Implications of Pattern -- 9.3.4. Revisiting the Agents-and-Implications Framing -- 9.4. Urban Landscapes as Laboratories -- 9.4.1. The Urban Stream Syndrome -- 9.4.2. Cities as Mesocosms for Global Change -- 9.5. Summary and Conclusions -- References -- 10. Climate Change: Adapting for Resilience -- 10.1 Introduction -- 10.2. Framing Adaptation -- 10.2.1. Components of Climate Change -- 10.2.2. The Perspective of Risk Management -- 10.2.3. Options for Response and Adaptation -- 10.2.4. Resilience Planning: the Tasks at Hand -- 10.3. Approaches to Adaptation Planning -- 10.3.1. Levels of Activity and Currency of Assessments -- 10.3.2. Elements of Adaptation -- 10.3.3. A Template for Applications -- 10.4. Illustrations of Approaches -- 10.4.1. NatureServe's HCCVI -- 10.4.2. Species Range Shifts implied by Climate Change -- 10.4.3. TNC's Resilient Landscapes Initiative -- 10.4.4. The ACT Framework -- 10.4.5. Complementarity of Approaches -- 10.5. Collateral Benefits and Leverage -- 10.5.1. Adaptation Planning and Conservation Practice -- 10.5.2. Collateral Benefits -- 10.5.3. Adaptation and Mitigation -- 10.6. Summary and Conclusions -- References -- Index.. .
