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  • 1
    Online Resource
    Online Resource
    San Diego :Elsevier Science & Technology,
    Keywords: Habitat (Ecology) - Modification. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (437 pages)
    Edition: 1st ed.
    ISBN: 9780080548470
    Series Statement: Issn Series ; v.Volume 4
    DDC: 577
    Language: English
    Note: Front cover -- Ecosystem Engineers, Plants to Protists -- Copyright page -- Table of contents -- PREFACE -- CONTRIBUTORS -- Section I: HISTORY AND DEFINITIONS OF ECOSYSTEM ENGINEERING -- Chapter 1: ON THE PURPOSE, MEANING, AND USAGE OF THE PHYSICAL ECOSYSTEM ENGINEERING CONCEPT -- 1.1 INTRODUCTION -- 1.2 ON THE DEFINITION -- 1.3 ON PROCESS UBIQUITY -- 1.4 ON EFFECT MAGNITUDE AND SIGNIFICANCE -- 1.5 ON USAGE -- 1.6 ON BREADTH AND UTILITY -- 1.7 ON THE UNDERLYING PERSPECTIVE -- 1.8 A CONCLUDING REMARK ON CONCEPT AND THEORY -- ACKNOWLEDGMENTS -- REFERENCES -- Chapter 2: A HISTORICAL PERSPECTIVE ON ECOSYSTEM ENGINEERING -- 2.1 INTRODUCTION -- 2.2 SOIL AND SEDIMENT PROCESSES -- 2.3 SUCCESSION -- 2.4 MICROCLIMATE MODIFICATION, FACILITATION, AND INHIBITION -- 2.5 HABITAT CREATION -- 2.6 CONCLUSION -- REFERENCES -- Chapter 3: A NEW SPIRIT AND CONCEPT FOR ECOSYSTEM ENGINEERING? -- 3.1 INTRODUCTION -- 3.2 A SHORT HISTORICAL PERSPECTIVE -- 3.3 A CONNECTION WITH KEYSTONE SPECIES? -- 3.4 A UNIQUE FEATURE FOR ECOSYSTEM ENGINEERING? -- 3.5 A SELECTIVE ARGUMENT FOR ECOSYSTEM ENGINEERING? -- 3.6 DISCUSSION -- ACKNOWLEDGMENTS -- REFERENCES -- Chapter 4: ECOSYSTEM ENGINEERING: UTILITY, CONTENTION, AND PROGRESS -- REFERENCES -- Section II: EXAMPLES AND APPLICATIONS -- Chapter 5: EARTHWORMS AS KEY ACTORS IN SELF-ORGANIZED SOIL SYSTEMS -- 5.1 INTRODUCTION -- 5.2 ADAPTATION OF EARTHWORMS AND OTHER ORGANISMS TO SOIL CONSTRAINTS: THE POWER OF MUTUALISM -- 5.3 THE DRILOSPHERE AS A SELF-ORGANIZING SYSTEM -- 5.4 HARNESSING THE DRILOSPHERE TO RESTORE ECOSYSTEM FUNCTIONS IN DEGRADED SOILS -- 5.5 CONCLUSION -- REFERENCES -- Chapter 6: MICROHABITAT MANIPULATION: ECOSYSTEM ENGINEERING BY SHELTER-BUILDING INSECTS -- 6.1 INTRODUCTION -- 6.2 SHELTERS AND SHELTER-BUILDERS -- 6.3 LEAF SHELTERS AS HABITATS FOR ARTHROPODS -- 6.4 ENGINEERING EFFECTS ON ARTHROPOD COMMUNITIES. , 6.5 PROSPECTUS -- ACKNOWLEDGMENTS -- REFERENCES -- Chapter 7: CARPOBROTUS AS A CASE STUDY OF THE COMPLEXITIES OF SPECIES IMPACTS -- 7.1 INTRODUCTION -- 7.2 CARPOBROTUS AS AN ECOSYSTEM ENGINEER -- 7.3 DISCUSSION -- 7.4 CONCLUSIONS -- REFERENCES -- Chapter 8: ECOSYSTEM ENGINEERING IN THE FOSSIL RECORD: EARLY EXAMPLES FROM THE CAMBRIAN PERIOD -- 8.1 INTRODUCTION -- 8.2 PALEOCOMMUNITY RECONSTRUCTION -- 8.3 IDENTIFYING ECOSYSTEM ENGINEERS IN THE FOSSIL RECORD -- 8.4 SETTING THE STAGE: THE CAMBRIAN PERIOD -- 8.5 EARLY METAZOAN ALLOGENIC ENGINEERS -- 8.6 EARLY METAZOAN AUTOGENIC ENGINEERS -- 8.7 CONCLUSIONS -- ACKNOWLEDGMENTS -- REFERENCES -- Chapter 9: HABITAT CONVERSION ASSOCIATED WITH BIOERODING MARINE ISOPODS -- 9.1 INTRODUCTION -- 9.2 SPHAEROMA QUOIANUM -- 9.3 SPHAEROMA TEREBRANS -- 9.4 LIMNORIA SPP. -- 9.5 LESSONS AND IMPLICATIONS -- ACKNOWLEDGMENTS -- REFERENCES -- Chapter 10: SYNTHESIS: LESSONS FROM DISPARATE ECOSYSTEM ENGINEERS -- REFERENCES -- Section III: THEORIES AND MODELS -- Chapter 11: COMMUNITY RESPONSES TO ENVIRONMENTAL CHANGE: RESULTS OF LOTKA-VOLTERRA COMMUNITY THEORY -- 11.1 INTRODUCTION -- 11.2 LOTKA-VOLTERRA COMMUNITY MODEL -- 11.3 DISCUSSION -- ACKNOWLEDGMENTS -- REFERENCES -- Chapter 12: MODEL STUDIES OF ECOSYSTEM ENGINEERING IN PLANT COMMUNITIES -- 12.1 INTRODUCTION -- 12.2 A MATHEMATICAL MODEL FOR PLANT COMMUNITIES IN DRYLANDS -- 12.3 ECOSYSTEM ENGINEERING IN THE MODEL -- 12.4 APPLYING THE MODEL TO WOODY-HERBACEOUS SYSTEMS -- 12.5 CONCLUDING REMARKS -- ACKNOWLEDGMENTS -- REFERENCES -- Chapter 13: BALANCING THE ENGINEER-ENVIRONMENT EQUATION: THE CURRENT LEGACY -- 13.1 INTRODUCTION -- 13.2 POPULATION MODELS OF ECOSYSTEM ENGINEERS: THE SIMPLEST CASES -- 13.3 POPULATION MODELS: SPATIALLY EXPLICIT AND MECHANISTICALLY DETAILED CASES -- 13.4 POPULATION MODELS: CASES WITH AN EVOLUTIONARY FOCUS -- 13.5 COMMUNITY AND ECOSYSTEM MODELS. , 13.6 CONCLUSIONS -- REFERENCES -- Chapter 14: SYNTHESIS OF ECOSYSTEM ENGINEERING THEORY -- REFERENCES -- Section IV: SOCIO-ECONOMIC ISSUES AND MANAGEMENT SOLUTIONS -- Chapter 15: RESTORING OYSTER REEFS TO RECOVER ECOSYSTEM SERVICES -- 15.1 INTRODUCTION -- 15.2 EVALUATING ECOSYSTEM SERVICES PROVIDED BY OYSTER REEFS -- 15.3 CHALLENGES AND CONCLUSIONS -- REFERENCES -- Chapter 16: MANAGING INVASIVE ECOSYSTEM ENGINEERS: THE CASE OF SPARTINA IN PACIFIC ESTUARIES -- 16.1 INVASIVE ENGINEERS CAUSE UNIQUE PROBLEMS -- 16.2 SPARTINA INVASION IN WILLAPA BAY -- 16.3 DIFFICULTIES PREDICTING SPREAD -- 16.4 INVASION IMPACT MECHANISMS -- 16.5 CHOICE OF CONTROL STRATEGIES -- 16.6 ALTERNATIVE RESTORATION TRAJECTORIES -- 16.7 COLLATERAL IMPACTS OF CONTROL -- 16.8 RECOMMENDATIONS -- REFERENCES -- Chapter 17: LIVESTOCK AND ENGINEERING NETWORK IN THE ISRAELI NEGEV: IMPLICATIONS FOR ECOSYSTEM MANAGEMENT -- 17.1 ENGINEERING NETWORKS -- 17.2 LIVESTOCK AND ENGINEERING NETWORK -- 17.3 NEGEV DESERT MANAGEMENT: EXPLOITATION AND MODULATION -- 17.4 CONCLUDING REMARKS -- REFERENCES -- Chapter 18: ECOSYSTEM ENGINEERS AND THE COMPLEX DYNAMICS OF NON-NATIVE SPECIES MANAGEMENT ON CALIFORNIA'S CHANNEL ISLANDS -- 18.1 INTRODUCTION -- 18.2 OVERVIEW OF CALIFORNIA'S CHANNEL ISLANDS -- 18.3 FERAL SHEEP AND PIGS ON SANTA CRUZ ISLAND -- 18.4 POST-ERADICATION FLORA AND FAUNA DYNAMICS -- 18.5 NON-NATIVE SPECIES AS ECOSYSTEM ENGINEERS AND ECOSYSTEMS WITH MULTIPLE INVADERS -- 18.6 COMPLEXITY, UNCERTAINTY, AND THEIR ROLE IN SHAPING MANAGEMENT DECISIONS -- 18.7 CONCLUSION: HOW DOES THE ECOSYSTEM ENGINEER CONCEPT FIT INTO ONGOING AND FUTURE NON-NATIVE SPECIES MANAGEMENT PROGRAMS ON THE CHANNEL ISLANDS? -- REFERENCES -- Chapter 19: THE DIVERSE FACES OF ECOSYSTEM ENGINEERS IN AGROECOSYSTEMS -- 19.1 PLANNED ECOSYSTEM ENGINEERS -- 19.2 ASSOCIATED ECOSYSTEM ENGINEERS. , 19.3 THE INTERACTION OF HUMAN ENGINEERS WITH ECOLOGICAL ENGINEERS: THE CASE OF PESTICIDES -- 19.4 DISCUSSION -- REFERENCES -- Chapter 20: MANAGEMENT AND ECOSYSTEM ENGINEERS: CURRENT KNOWLEDGE AND FUTURE CHALLENGES -- 20.1 INTRODUCTION -- 20.2 EFFECTS AND IMPACTS OF SINGLE ENGINEERING SPECIES -- 20.3 EFFECTS AND IMPACTS OF ENGINEERS IN THE CONTEXT OF ECOSYSTEMS -- 20.4 CONCLUSIONS AND FURTHER DIRECTIONS -- REFERENCES -- INDEX -- COLOR PLATE.
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  • 2
    Online Resource
    Online Resource
    Oxford :Oxford University Press, Incorporated,
    Keywords: Population biology. ; Electronic books.
    Description / Table of Contents: Provides a coherent overview of the theory of single population dynamics, discussing concepts such as population variability, population stability, population viability/persistence, and harvest yield while later chapters address specific applications to conservation and management.
    Type of Medium: Online Resource
    Pages: 1 online resource (353 pages)
    Edition: 1st ed.
    ISBN: 9780191075919
    DDC: 577.88
    Language: English
    Note: Cover -- Population Dynamics for Conservation -- Copyright -- Preface -- Contents -- CHAPTER 1 Philosophical approach topopulation modeling -- 1.1 Simplicity versus complexity, and four characteristics of models -- 1.2 Logical basis for population modeling -- 1.2.1 Deductive reasoning and the scientific uses of modeling -- 1.2.2 Inductive reasoning and practical applications of modeling -- 1.2.3 Consequences of deductive and inductive logic for population dynamics -- 1.3 The state of a system -- 1.3.1 Models of i-states and p-states -- 1.3.2 Individual based models (IBM) -- 1.4 Uncertainty and population models -- 1.5 Levels of integration in ecology -- 1.6 State of the field -- CHAPTER 2 Simple population models -- 2.1 The first population model-the rabbit problem -- 2.2 Simple linear models (exponential or geometric growth) -- 2.3 Simple nonlinear models (logistic-type models) -- 2.3.1 Continuous-time logistic models -- 2.3.2 Discrete-time logistic models -- 2.4 Illustrating population concepts with simple models -- 2.4.1 Illustrating dynamic stability with simple, linear, discrete-time models -- 2.4.2 Dynamic stability of simple nonlinear models -- 2.4.3 Quasi-extinction in random environments with a discrete-time linear simple model -- 2.4.4 What does the simple logistic model tell us about managing for sustainable fisheries? -- 2.5 What have we learned in Chapter 2? -- CHAPTER 3 Linear, age-structured modelsand their long-term dynamics -- 3.1 The continuity equation and the M'Kendrick/von Foerster model -- 3.1.1 Solving the M'Kendrick/von Foerster model -- 3.2 The renewal equation-Lotka's model -- 3.3 The Leslie matrix -- 3.3.1 Solving the Leslie model -- 3.3.2 The stable age distribution -- 3.4 Mathematical theory underlying the Leslie matrix -- 3.4.1 The Perron-Frobenius theorem. , 3.5 Sensitivity and elasticity of eigenvalues: the Totoaba example -- 3.6 Handling the oldest age classes: age-lumping, terminal age classes, and post-reproductive ages -- 3.7 What have we learned in Chapter 3? -- CHAPTER 4 Age-structured models: Short-term transient dynamics -- 4.1 The other eigenvalues -- 4.1.1 An example of cyclic transient dynamics -- 4.2 How the dependence of reproduction on age influences these cycles -- 4.2.1 Semelparous species and imprimitive Leslie matrices -- 4.2.2 Cycle period: the mean age of reproduction and the echo effect -- 4.2.3 How age structure influences the occurrence of cycles -- 4.2.4 Convergence to the asymptotic dynamics -- 4.2.4.1 Rate of convergence to the stable age distribution: the damping ratio -- 4.2.4.2 The distance to the stable age distribution -- 4.2.4.3 Example: adaptive management of marine protected areas -- 4.3 Transient responses to ongoing environmental variability -- 4.3.1 Determining the equilibrium of a nonlinear age-structured population -- 4.3.2 The frequency response of a population -- 4.3.3 Cohort resonance -- 4.3.3.1 Analysis of cohort resonance -- 4.3.3.2 Cohort resonance: effects of life history, fishing, and eigenvalues -- 4.3.4 Extreme period-T cycles: cyclic dominance in sockeye salmon -- 4.4 What have we learned in Chapter 4? -- CHAPTER 5 Size-structured models -- 5.1 The size-structured M'Kendrick/von Foerster model -- 5.1.1 The solution to the size-structured M'Kendrick/von Foerster model -- 5.1.2 Adding reproduction to obtain a complete population model -- 5.2 Stand distributions -- 5.3 Cohort distributions -- 5.4 Numerical methods -- 5.4.1 Grid-based method -- 5.4.2 The escalator-boxcar train -- 5.4.3 Integral projection models -- 5.5 What have we learned in Chapter 5? -- CHAPTER 6: Stage-structured models -- 6.1 Biological processes. , 6.2 History of development of stage-structured matrix models -- 6.2.1 Early development of stage models -- 6.2.2 Early successes in stage-structured modeling -- 6.2.3 Early applications -- 6.2.4 Stochastic stage-structured models -- 6.3 Problems with stage-structured models -- 6.4 Possible better alternatives to stage-structured models -- 6.5 Replacement in stage-structured models -- 6.6 Delay equations -- 6.7 What have we learned in Chapter 6? -- CHAPTER 7: Age-structured models with density-dependent recruitment -- 7.1 Local stability and 2T cycles -- 7.1.1 Local stability analysis -- 7.1.2 An example: 2 T cycles in Dungeness crab -- 7.2 The simplest general model of age-structured density dependence -- 7.3 Cycles in Dungeness crab: models and data -- 7.4 An intertidal barnacle, Balanus glandula -- 7.5 Cannibalism and the flour beetle, Tribolium -- 7.6 Effects of equilibrium conditions -- 7.6.1 Single-sex harvest -- 7.6.2 Multiple equilibria -- 7.7 What have we learned in Chapter 7? -- CHAPTER 8: Age-structured models in a random environment -- 8.1 The small fluctuation approximation (SFA) -- 8.2 The first crossing solution -- 8.3 A more general version of the growth of variability -- 8.4 Does the SFA/diffusion approximation work? Totoaba as an example -- 8.5 Color of the random environmental variability -- 8.6 Application of SFA to population data -- 8.7 State of the science quantifying extinction risk at the turn of the century -- 8.8 Perils of using stage models to characterize extinction risk -- 8.9 What have we learned in Chapter 8? -- CHAPTER 9: Spatial population dynamics -- 9.1 Modeling the spread of a population -- 9.1.1 The reaction-diffusion model -- 9.1.2 The asymptotic rate of spread -- 9.1.3 Leptokurtic dispersal -- 9.1.4 When diffusion is not a good representation of movement -- 9.2 Population persistence in aquatic habitats. , 9.2.1 The KISS model: persistence of a patch of plankton -- 9.2.2 The drift paradox -- 9.3 Metapopulations -- 9.3.1 The Levins model -- 9.3.2 Incidence function models -- 9.3.3 Patch value in the incidence function model -- 9.4 Models with internal patch dynamics: structure in space and age -- 9.4.1 Metapopulation persistence: replacement over space -- 9.4.2 Population persistence in heterogeneous space -- 9.5 Spatial variability across populations -- 9.6 What have we learned in Chapter 9? -- CHAPTER 10: Applications to conservation biology -- 10.1 Lessons from earlier chapters -- 10.2 Probabilities of extinction: the problem of measurement uncertainty -- 10.3 Probabilities of extinction: the importance of environmental spectra -- 10.4 Replacement as an extinction metric -- 10.5 An example with abundance, replacement, and measurement error -- 10.6 Comparative studies: Pacific salmon -- 10.7 Addressing exogenous variability: drivers and errors -- 10.8 Population diversity -- 10.9 What have we learned in Chapter 10? -- CHAPTER 11: Population dynamics in marine conservation -- 11.1 Three models from the 1950s -- 11.1.1 The logistic fishery model -- 11.1.2 The single cohort model (also known as the dynamic pool model, yield-per-recruit model) -- 11.1.3 The stock and recruitment model -- 11.1.4 Complete age-structured models: linking cohorts with a stock-recruit curve -- 11.2 Replacement in fully age-structured fishery models -- 11.2.1 Stock-recruit curves, lifetime egg production (LEP), and spawning per recruit (SPR) -- 11.2.2 Replacement and optimal fishery yield -- 11.3 The precautionary approach and modern fishery management -- 11.3.1 Precautionary management and reference points -- 11.3.2 Managing to avoid overfishing -- 11.4 Spatial management: marine protected areas -- 11.4.1 Strategic models of MPAs. , 11.4.2 Tactical models of marine protected area design -- 11.4.3 Other types of models used in MPA design -- 11.4.4 Adaptive management of MPAs -- 11.5 What have we learned in Chapter 11? -- CHAPTER 12: Thinking about populations -- 12.1 Modeling philosophy and approach -- 12.2 Replacement, an organizing principle -- 12.3 Population responses to time scales of environmental variability -- 12.4 Applying the lessons of population dynamics -- 12.5 What next? -- Glossary -- References -- Index.
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  • 3
    Online Resource
    Online Resource
    Berkeley :University of California Press,
    Keywords: Ecology-Encyclopedias. ; Electronic books.
    Description / Table of Contents: This major reference is an overview of the current state of theoretical ecology through a series of topical entries centered on both ecological and statistical themes. Coverage ranges across scales--from the physiological, to populations, landscapes, and ecosystems. Entries provide an introduction to broad fields such as Applied Ecology, Behavioral Ecology, Computational Ecology, Ecosystem Ecology, Epidemiology and Epidemic Modeling, Population Ecology, Spatial Ecology and Statistics in Ecology. Others provide greater specificity and depth, including discussions on the Allee effect, ordinary differential equations, and ecosystem services. Descriptions of modern statistical and modeling approaches and how they contributed to advances in theoretical ecology are also included. Succinct, uncompromising, and authoritative--a "must have" for those interested in the use of theory in the ecological sciences.
    Type of Medium: Online Resource
    Pages: 1 online resource (1464 pages)
    Edition: 1st ed.
    ISBN: 9780520951785
    Series Statement: Encyclopedias of the Natural World Series ; v.4
    DDC: 577.03
    Language: English
    Note: Cover -- Title -- Copyright -- Contents -- Contents by Subject Area -- Contributors -- Guide to the Encyclopedia -- Preface -- A -- Adaptive Behavior and Vigilance -- Adaptive Dynamics -- Adaptive Landscapes -- Age Structure -- Allee Effects -- Allometry and Growth -- Apparent Competition -- Applied Ecology -- Assembly Processes -- B -- Bayesian Statistics -- Behavioral Ecology -- Belowground Processes -- Beverton-Holt Model -- Bifurcations -- Biogeochemistry and Nutrient Cycles -- Birth-Death Models -- Bottom-Up Control -- Branching Processes -- C -- Cannibalism -- Cellular Automata -- Chaos -- Coevolution -- Compartment Models -- Computational Ecology -- Conservation Biology -- Continental Scale Patterns -- Cooperation, Evolution of -- D -- Delay Differential Equations -- Demography -- Difference Equations -- Discounting in Bioeconomics -- Disease Dynamics -- Dispersal, Animal -- Dispersal, Evolution of -- Dispersal, Plant -- Diversity Measures -- Dynamic Programming -- E -- Ecological Economics -- Ecosystem Ecology -- Ecosystem Engineers -- Ecosystem Services -- Ecosystem Valuation -- Ecotoxicology -- Energy Budgets -- Environmental Heterogeneity and Plants -- Epidemiology and Epidemic Modeling -- Evolutionarily Stable Strategies -- Evolutionary Computation -- F -- Facilitation -- Fisheries Ecology -- Food Chains and Food Web Modules -- Food Webs -- Foraging Behavior -- Forest Simulators -- Frequentist Statistics -- Functional Traits of Species and Individuals -- G -- Game Theory -- Gap Analysis and Presence/Absence Models -- Gas and Energy Fluxes Across Landscapes -- Geographic Information Systems -- H -- Harvesting Theory -- Hydrodynamics -- I -- Individual-Based Ecology -- Information Criteria in Ecology -- Integrated Whole Organism Physiology -- Integrodifference Equations -- Invasion Biology -- L -- Landscape Ecology -- M. , Marine Reserves and Ecosystem-Based Management -- Markov Chains -- Mating Behavior -- Matrix Models -- Meta-Analysis -- Metabolic Theory of Ecology -- Metacommunities -- Metapopulations -- Microbial Communities -- Model Fitting -- Movement: From Individuals to Populations -- Mutation, Selection, and Genetic Drift -- N -- Networks, Ecological -- Neutral Community Ecology -- Niche Construction -- Niche Overlap -- Nicholson-Bailey Host Parasitoid Model -- Nondimensionalization -- NPZ Models -- O -- Ocean Circulation, Dynamics of -- Optimal Control Theory -- Ordinary Differential Equations -- P -- Pair Approximations -- Partial Differential Equations -- Phase Plane Analysis -- Phenotypic Plasticity -- Phylogenetic Reconstruction -- Phylogeography -- Plant Competition and Canopy Interactions -- Population Ecology -- Population Viability Analysis -- Predator-Prey Models -- Q -- Quantitative Genetics -- R -- Reaction-Diffusion Models -- Regime Shifts -- Reserve Selection and Conservation Prioritization -- Resilience and Stability -- Restoration Ecology -- Ricker Model -- S -- Sex, Evolution of -- Single-Species Population Models -- SIR Models -- Spatial Ecology -- Spatial Models, Stochastic -- Spatial Spread -- Species Ranges -- Stability Analysis -- Stage Structure -- Statistics in Ecology -- Stochasticity (Overview) -- Stochasticity, Demographic -- Stochasticity, Environmental -- Stoichiometry, Ecological -- Storage Effect -- Stress and Species Interactions -- Succession -- Synchrony, Spatial -- T -- Top-Down Control -- Transport in Individuals -- Two-Species Competition -- U -- Urban Ecology -- Glossary -- Index.
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  • 4
    Online Resource
    Online Resource
    Berlin, Heidelberg :Springer Berlin / Heidelberg,
    Keywords: Biotic communities-Mathematical models. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (140 pages)
    Edition: 1st ed.
    ISBN: 9783642859366
    Series Statement: Lecture Notes in Biomathematics Series ; v.77
    DDC: 577.82
    Language: English
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  • 5
    Book
    Book
    New York, NY [u.a.] : Springer
    Keywords: Population biology Mathematical models ; Populationsbiologie
    Type of Medium: Book
    Pages: XVI, 220 S. , graph. Darst , 24 cm
    ISBN: 0387948538 , 0387948627
    Language: English
    Note: Literaturverz. S. [205] - 215
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  • 6
    Publication Date: 2022-05-25
    Description: Author Posting. © American Institute of Biological Sciences, 2005. This article is posted here by permission of American Institute of Biological Sciences for personal use, not for redistribution. The definitive version was published in BioScience 55 (2005): 501–510, doi:10.1641/0006-3568(2005)055[0501:CIEACM]2.0.CO;2.
    Description: Creative approaches at the interface of ecology, statistics, mathematics, informatics, and computational science are essential for improving our understanding of complex ecological systems. For example, new information technologies, including powerful computers, spatially embedded sensor networks, and Semantic Web tools, are emerging as potentially revolutionary tools for studying ecological phenomena. These technologies can play an important role in developing and testing detailed models that describe real-world systems at multiple scales. Key challenges include choosing the appropriate level of model complexity necessary for understanding biological patterns across space and time, and applying this understanding to solve problems in conservation biology and resource management. Meeting these challenges requires novel statistical and mathematical techniques for distinguishing among alternative ecological theories and hypotheses. Examples from a wide array of research areas in population biology and community ecology highlight the importance of fostering synergistic ties across disciplines for current and future research and application.
    Description: This paper is the result of a National Science Foundation (NSF) workshop on quantitative environmental and integrative biology (DEB-0092081). J. L. G. would like to acknowledge financial support from the NSF (DEB-0107555).
    Keywords: Ecological complexity ; Quantitative conservation biology ; Cyberinfrastructure ; Metadata ; Semantic Web
    Repository Name: Woods Hole Open Access Server
    Type: Article
    Format: 577104 bytes
    Format: application/pdf
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  • 7
    Publication Date: 2022-05-26
    Description: © The Author(s), 2020. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Beckman, N. G., Asian, C. E., Rogers, H. S., Kogan, O., Bronstein, J. L., Bullock, J. M., Hartig, F., HilleRisLambers, J., Zhou, Y., Zurell, D., Brodie, J. F., Bruna, E. M., Cantrell, R. S., Decker, R. R., Efiom, E., Fricke, E. C., Gurski, K., Hastings, A., Johnson, J. S., Loiselle, B. A., Miriti, M. N., Neubert, M. G., Pejchar, L., Poulsen, J. R., Pufal, G., Razafindratsima, O. H., Sandor, M. E., Shea, K., Schreiber, S., Schupp, E. W., Snell, R. S., Strickland, C., & Zambrano, J. Advancing an interdisciplinary framework to study seed dispersal ecology. Aob Plants, 12(2), (2020): plz048, doi:10.1093/aobpla/plz048.
    Description: Although dispersal is generally viewed as a crucial determinant for the fitness of any organism, our understanding of its role in the persistence and spread of plant populations remains incomplete. Generalizing and predicting dispersal processes are challenging due to context dependence of seed dispersal, environmental heterogeneity and interdependent processes occurring over multiple spatial and temporal scales. Current population models often use simple phenomenological descriptions of dispersal processes, limiting their ability to examine the role of population persistence and spread, especially under global change. To move seed dispersal ecology forward, we need to evaluate the impact of any single seed dispersal event within the full spatial and temporal context of a plant’s life history and environmental variability that ultimately influences a population’s ability to persist and spread. In this perspective, we provide guidance on integrating empirical and theoretical approaches that account for the context dependency of seed dispersal to improve our ability to generalize and predict the consequences of dispersal, and its anthropogenic alteration, across systems. We synthesize suitable theoretical frameworks for this work and discuss concepts, approaches and available data from diverse subdisciplines to help operationalize concepts, highlight recent breakthroughs across research areas and discuss ongoing challenges and open questions. We address knowledge gaps in the movement ecology of seeds and the integration of dispersal and demography that could benefit from such a synthesis. With an interdisciplinary perspective, we will be able to better understand how global change will impact seed dispersal processes, and potential cascading effects on plant population persistence, spread and biodiversity.
    Description: Ideas for this manuscript initiated during the Seed Dispersal Workshop held in May 2016 at the Socio-Environmental Synthesis Center in Annapolis, MD and supported by the US National Science Foundation Grant DEB-1548194 to N.G.B. and the National Socio-Environmental Synthesis Center under the US National Science Foundation Grant DBI-1052875. D.Z. received funding from the Swiss National Science Foundation (SNF, grant: PZ00P3_168136/1) and from the German Science Foundation (DFG, grant: ZU 361/1-1).
    Keywords: Analytical models ; demography ; global change ; individual-based models ; long-distance seed dispersal ; population models ; seed dispersal
    Repository Name: Woods Hole Open Access Server
    Type: Article
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  • 8
    Publication Date: 2022-05-26
    Description: © The Author(s), 2019. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Aslan, C., Beckman, N. G., Rogers, H. S., Bronstein, J., Zurell, D., Hartig, F., Shea, K., Pejchar, L., Neubert, M., Poulsen, J., HilleRisLambers, J., Miriti, M., Loiselle, B., Effiom, E., Zambrano, J., Schupp, G., Pufal, G., Johnson, J., Bullock, J. M., Brodie, J., Bruna, E., Cantrell, R. S., Decker, R., Fricke, E., Gurski, K., Hastings, A., Kogan, O., Razafindratsima, O., Sandor, M., Schreiber, S., Snell, R., Strickland, C., & Zhou, Y. Employing plant functional groups to advance seed dispersal ecology and conservation. AoB Plants, 11(2), (2019):plz006, doi:10.1093/aobpla/plz006.
    Description: Seed dispersal enables plants to reach hospitable germination sites and escape natural enemies. Understanding when and how much seed dispersal matters to plant fitness is critical for understanding plant population and community dynamics. At the same time, the complexity of factors that determine if a seed will be successfully dispersed and subsequently develop into a reproductive plant is daunting. Quantifying all factors that may influence seed dispersal effectiveness for any potential seed-vector relationship would require an unrealistically large amount of time, materials and financial resources. On the other hand, being able to make dispersal predictions is critical for predicting whether single species and entire ecosystems will be resilient to global change. Building on current frameworks, we here posit that seed dispersal ecology should adopt plant functional groups as analytical units to reduce this complexity to manageable levels. Functional groups can be used to distinguish, for their constituent species, whether it matters (i) if seeds are dispersed, (ii) into what context they are dispersed and (iii) what vectors disperse them. To avoid overgeneralization, we propose that the utility of these functional groups may be assessed by generating predictions based on the groups and then testing those predictions against species-specific data. We suggest that data collection and analysis can then be guided by robust functional group definitions. Generalizing across similar species in this way could help us to better understand the population and community dynamics of plants and tackle the complexity of seed dispersal as well as its disruption.
    Description: Ideas for this manuscript initiated during the Seed Dispersal Workshop held in May 2016 at the Socio-Environmental Synthesis Center in Annapolis, MD and supported by the US National Science Foundation Grant DEB-1548194 to N.G.B. and the National Socio‐Environmental Synthesis Center under the US National Science Foundation Grant DBI‐1052875. D.Z. received funding from the Swiss National Science Foundation (SNF, grant: PZ00P3_168136/1) and from the German Science Foundation (DFG, grant: ZU 361/1- 1). Contributions by the authors C.A. led the development of the concepts, writing, and revising of the manuscript with input from N.G.B. and H.S.R. All authors contributed to the development of concepts and are listed in order of contribution and alphabetical order within each level of contribution.
    Keywords: dependency ; directed dispersal ; dispersal vectors ; generalization ; mutualism ; seed dispersal effectiveness
    Repository Name: Woods Hole Open Access Server
    Type: Article
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  • 9
    Publication Date: 2022-05-26
    Description: Author Posting. © Ecological Society of America, 2010. This article is posted here by permission of Ecological Society of America for personal use, not for redistribution. The definitive version was published in Ecological Applications 20 (2010): 1979–1992, doi:10.1890/09-1217.1.
    Description: Recent empirical studies have demonstrated that human activities such as fishing can strongly affect the natural capital and services provided by tropical seascapes. However, policies to mitigate anthropogenic impacts can also alter food web structure and interactions, regardless of whether the regulations are aimed at single or multiple species, with possible unexpected consequences for the ecosystems and their associated services. Complex community response to management interventions have been highlighted in the Caribbean, where, contrary to predictions from linear food chain models, a reduction in fishing intensity through the establishment of a marine reserve has led to greater biomass of herbivorous fish inside the reserve, despite an increased abundance of large predatory piscivores. This positive multi-trophic response, where both predators and prey benefit from protection, highlights the need to take an integrated approach that considers how numerous factors control species coexistence in both fished and unfished systems. In order to understand these complex relationships, we developed a general model to examine the trade-offs between fishing pressure and trophic control on reef fish communities, including an exploration of top-down and bottom-up effects. We then validated the general model predictions by parameterizing the model for a reef system in the Bahamas in order to tease apart the wide range of species responses to reserves in the Caribbean. Combining the development of general theory and site-specific models parameterized with field data reveals the underlying driving forces in these communities and enables us to make better predictions about possible population and community responses to different management schemes.
    Description: This work was supported by funding from the Bahamas Biocomplexity Project (U.S. NSF Biocomplexity grant OCE-0119976) and U.S. EPA Science to Achieve Results (R832223).
    Keywords: Bottom-up ; Coral reef ; Ecosystem-based management ; Exuma Cays Land and Sea Park ; Bahamas ; Fishing pressure ; Generalist predator ; Marine protected areas ; Nassau grouper (Epinephelus striatus) ; Stoplight parrotfish (Sparisoma viride) ; Top-down ; Trophic cascades ; Yellowtail snapper (Ocyurus chrysurus)
    Repository Name: Woods Hole Open Access Server
    Type: Article
    Format: application/pdf
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  • 10
    Electronic Resource
    Electronic Resource
    Boston, MA, USA : Blackwell Science Inc
    Restoration ecology 7 (1999), S. 0 
    ISSN: 1526-100X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The loss and fragmentation of habitat is a major threat to the continued survival of many species. We argue that, by including spatial processes in restoration management plans, the effects of habitat loss and fragmentation can be offset. Yet few management plans take into account spatial effects of habitat conservation/restoration despite the importance of spatial dynamics in species conservation and recovery plans. Tilman et al. (1997) found a “restoration lag” in simulations of species restoration when randomly selecting habitat for restoration. Other studies have suggested that the placement of restored habitat can overcome effects of habitat loss and fragmentation. Here we report the findings of simulations that examine different regional management strategies, focusing on habitat selection. We find that nonrandom restoration practices such as restoring only habitat that is adjacent to those occupied by the target species can dramatically reduce or negate any restoration lag. In fact, we find that the increase in patch occupancy of the landscape can be greater than two-fold in the adjacent versus the random scenarios after only two restoration events, and this increase can be as great as six-fold during the early restoration phase. Many restoration efforts have limitations on both funds and available sites for restoration, necessitating high potential success on any restoration efforts. The incorporation of spatial analyses in restoration management may drastically improve a species' chance of recovery. Therefore, general principles that incorporate spatial processes and sensible management are needed to guide specific restoration efforts.
    Type of Medium: Electronic Resource
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