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Miljødynamik / Environmental Dynamics : [37]

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The research group on Environmental Dynamics comprises more than 20 scientists, covering areas such as population ecology and modelling, systems ecology, ecophysiology and biological production, physical geography (soil erosion, hydrology and nutrient dynamics), landscape ecology and remote sensing. What is environmental dynamics? Environments vary in space and time, both as the result of natural factors and as a result of human activities. Variations may occur over spatial and temporal scales that range from very small to very large. In terms of spatial scale, the research topics included addresses issues of a global nature (e.g., climate change), as well as of a more local nature (e.g., environmental heterogeneity resulting from land use, species management, and natural habitat boundaries). In terms of temporal scale, the group covers the geological past, the present and future. The following are the types of questions that Environmental Dynamics addresses. This list is not all inclusive. How are populations influenced by habitat heterogeneity in space and time, and what is the best way to model these processes? What are the physiological and biochemical mechanisms by which organisms respond to extreme or variable environments, and to what extent can we predict effects at the population or ecosystem level from such responses? What are the practical applications in terms of biological production (e.g., aquaculture)? What are the relevant (with respect to biota) scales of patchiness (heterogeneity) for different types of landscapes and ecosystems? And how does habitat patchiness influence the dynamics of biological systems? How does environmental heterogeneity in space and time (and at different scales) influence biodiversity and ecosystem processes? How have spatial and temporal scales of environmental heterogeneity varied on a geological time scale and how has such dynamics influenced biological phenomena (e.g., major extinction events, evolutionary patterns)? How does the type and scale of environmental heterogeneity influence physical processes such as soil erosion, flooding, nutrient transport, pollution, etc.? And can an improved understanding of the dynamics lead to better models and management strategies for controlling physical processes?

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