Management of diffuse pollution in agricultural watersheds: Lessons from the Minnesota River basin

The Minnesota River (Minnesota, USA) receives large non-point source pollutant loads. Complex interactions between agricultural, state agency, environmental groups, and issues of scale make watershed management difficult. Subdividing the basin's 12 major watersheds into agro-ecoregions based on...

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Veröffentlicht in:	Water science and technology 1999, Vol.39 (12), p.323-330
Hauptverfasser:	Brezonik, Patrick L., Easter, K.W., Hatch, Lorin, Mulla, David, Perry, James
Format:	Artikel
Sprache:	eng
Schlagworte:	Agricultural management Agricultural pollution Agricultural watersheds Agro-ecoregions Agronomy. Soil science and plant productions Applied sciences Biological and medical sciences Continental surface waters Earth sciences Earth, ocean, space ecoregions Engineering and environment geology. Geothermics Environmental organizations Exact sciences and technology Frameworks Fundamental and applied biological sciences. Psychology Geology Interactions Minnesota River Natural water pollution Nonpoint source pollution Point source pollution Pollutant load Pollution Pollution load Pollution, environment geology River basins Rivers scales Slopes Soil Soil and water pollution Soil science Soil types Stream pollution USA, Minnesota R USA, Minnesota, Minnesota R Water pollution Water quality Water treatment and pollution Watershed management watersheds
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Beschreibung
Zusammenfassung:	The Minnesota River (Minnesota, USA) receives large non-point source pollutant loads. Complex interactions between agricultural, state agency, environmental groups, and issues of scale make watershed management difficult. Subdividing the basin's 12 major watersheds into agro-ecoregions based on soil type, geology, steepness, and climate enhances predictability of stream water quality parameters. An eight-step framework for agricultural watershed management is presented.
ISSN:	0273-1223 1996-9732
DOI:	10.1016/S0273-1223(99)00350-9