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The EU 'Nitrates Directive' (Directive 91/676/EEC) and the WFD (Water Framework Directive 2000/60/EEC) introduced a series of measures designed to red...Read more
Like many ecosystem functions in marine and terrestrial environments, nutrient processing varies dramatically over small spatial scales, making effort...Read more
Nitrogen (N) loss from agricultural fields and urban areas to stream and groundwaters is a world-wide environmental problem. Excessive nitrogen loadin...Read more
A comparative study was carried out on nitrogen flows in two meadow ecosystems that were similar at the beginning of the experiment. In the wet meadow...Read more
Nitrate, ammonium, and phosphate were added to the forest floor of an alluvial swamp at a weekly rate of 1 g of nitrogen or phosphorus per m2 for near...Read more
Spatial and temporal patterns of in situ denitrification were investigated along a riparian forset (Ulmus minor, Fraxinys angustifolia, Cardamine prat...Read more
A sward of perennial ryegrass cv. S23 grown during 1979-81 was treated on 20 April with 130 kg N/ha as ammonium nitrate doubly labelled with 15N, foll...Read more
Nutrient balance was studied in two small Taxodium distichum swamps in Florida, one of which had been treated with secondary sewage effluent from 1975...Read more
Salt-marsh microcosms containing the halophyte Spartina alterniflora were maintained in a greenhouse for 2 years and given daily dosages of a hydrocar...Read more
The provision of food requirements for current and future generations can be guaranteed through agricultural intensification options that safeguard th...Read more
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