Preprints

Filtering by Subject: Dynamic Systems

Reef fish functional groups show variable declines due to deforestation-driven sedimentation, while flexible harvesting mitigates this damage

Russell Anderson Milne, Madhur Anand, Chris T. Bauch

Published: 2024-01-22
Subjects: Dynamic Systems, Natural Resources and Conservation, Terrestrial and Aquatic Ecology

Sedimentation is a major coral reef stressor, with effects including suppressing algae consumption by herbivorous fish. This puts pressure on reef fish populations and the fisheries that harvest them. Deforestation causes much sedimentation on reefs, and is an ongoing concern in Pacific island states. Although ecosystem processes like deforestation and fish population dynamics are usually far [...]

Developing systems theory in soil agroecology: Incorporating heterogeneity and dynamic instability

Nicholas Medina, John Vandermeer

Published: 2023-03-21
Subjects: Agriculture, Applied Mathematics, Biogeochemistry, Biology, Dynamic Systems, Earth Sciences, Ecology and Evolutionary Biology, Life Sciences, Longitudinal Data Analysis and Time Series, Research Methods in Life Sciences, Soil Science, Sustainability

Ecosystem management is integral to the future of soils, yet anthropogenic drivers represent a key source of uncertainty in ecosystem models. First- and new-generation soil models formulate many soil pools using first-order decomposition, which tends to generate simpler yet numerous parameters. Systems or complexity theory, developed across various scientific and social fields, may help improve [...]

Assessing species interactions using integrated predator-prey models

Matthieu Paquet, Frédéric Barraquand

Published: 2022-12-15
Subjects: Biostatistics, Dynamic Systems, Ecology and Evolutionary Biology, Population Biology, Statistical Methodology, Terrestrial and Aquatic Ecology

Inferring the strength of species interactions from demographic data is a challenging task. The Integrated Population Modelling (IPM) approach, bringing together population counts, capture-recapture, and individual-level fecundity data into a unified model framework, has been extended from single species to the community level. This allows to specify IPMs for multiple species with interactions [...]

Toward a Pluralistic Conception of Resilience

Matteo Convertino, James Valverde

Published: 2019-06-28
Subjects: Applied Mathematics, Computer Sciences, Dynamic Systems, Ecology and Evolutionary Biology, Environmental Health and Protection, Environmental Indicators and Impact Assessment, Environmental Monitoring, Environmental Sciences, Life Sciences, Medicine and Health Sciences, Natural Resources and Conservation, Numerical Analysis and Computation, Other Medicine and Health Sciences, Other Physical Sciences and Mathematics, Physical Sciences and Mathematics, Social and Behavioral Sciences, Sustainability, Systems Biology

The concept of resilience occupies an increasingly prominent position within contemporary efforts to confront many of modernitys most pressing challenges, including global environmental change, famine, infrastructure, poverty, and terrorism, to name but a few. Received views of resilience span a broad conceptual and theoretical terrain, with a diverse range of application domains and settings. In [...]

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