Browsing Earth and Environmental Sciences by Subject "long-term trend"
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Historical Trends in Water Quality in the Grand River, Ontario: Reconstruction of Phosphorus Loadings (University of Waterloo, 2014-01-29)Phosphorus, a mineral nutrient, is an essential element in aquatic systems. It is only available for biological activity in the form of orthophosphate and soluble restrictive phosphate. Eutrophication, caused by nutrient ...