489 resultados para Siukonen, Jyrki
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Summary: Assessing the impacts of ditch network maintenance on water ecosystems onthe basis of expert knowledge and integrating the assessments into decision analysis
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Jyrki Knuutila
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Jyrki Knuutila
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Jyrki Knuutila
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Summary: Nutrient amounts of afforested peat fields and neighbouring peatland forests
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Referat: Skräddaren Emil Peltonens liv