Eutrophication of agricultural streams: defining nutrient concentrations to protect ecological condition
Inputs of nutrients (phosphorus, P, and nitrogen, N) to coastal and fresh waters can accelerate eutrophication, resulting in excessive aquatic plant growth, depletion of oxygen, and deleterious changes in abundance and diversity of organisms. Using long-term (approximately 1995-2005) monitoring data...
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| Veröffentlicht in: | Water science and technology 2008-01, Vol.58 (11), p.2203-2210 |
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| container_title | Water science and technology |
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| creator | Chambers, Patricia A Vis, C Brua, R B Guy, M Culp, J M Benoy, G A |
| description | Inputs of nutrients (phosphorus, P, and nitrogen, N) to coastal and fresh waters can accelerate eutrophication, resulting in excessive aquatic plant growth, depletion of oxygen, and deleterious changes in abundance and diversity of organisms. Using long-term (approximately 1995-2005) monitoring data from agriculturally-dominated watersheds in southern Ontario and Quebec, Canada, we developed and tested several approaches for setting targets for N and P. Our research showed that it is possible to set scientifically-credible targets for total P and total N to protect ecological condition of streams in agricultural landscapes, and define achievable targets attainable following adoption of beneficial management practices. |
| doi_str_mv | 10.2166/wst.2008.815 |
| format | Article |
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| identifier | ISSN: 0273-1223 |
| ispartof | Water science and technology, 2008-01, Vol.58 (11), p.2203-2210 |
| issn | 0273-1223 1996-9732 |
| language | eng |
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| source | MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Abundance Agricultural land Agricultural management Agricultural watersheds Agriculture Aquatic plants Biodiversity Calibration Canada Coastal waters Ecological conditions Ecosystem Eukaryota - metabolism Eutrophication Geography Landscape Mineral nutrients Nitrogen Nitrogen - analysis Nutrient concentrations Nutrients Oxygen depletion Phosphorus Phosphorus - analysis Plant growth Rivers Rivers - chemistry Streams |
| title | Eutrophication of agricultural streams: defining nutrient concentrations to protect ecological condition |
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