Historical Agriculture and Soil Erosion in the Upper Mississippi Valley Hill Country

Historical Agriculture and Soil Erosion in the Upper Mississippi Valley Hill Country

Trimble, Stanley W.

Taylor & Francis Ltd

10/2017

290

Mole

Inglês

9781138071612

15 a 20 dias

Descrição não disponível.
The Physical Region and Primeval Landscape Physiography Climate Vegetation and Soils Streams Conclusion European Settlement and Changes of Land Use Early Settlement Overview of Historical Agriculture in the Region Historical Crops and Other Agricultural Land Use Crops Grazing and Animal Husbandry Land Use Management from the Time of Settlement to the 1930s A Revolution in Agricultural Land Management Conservation Agencies The Continuing Soil Conservation Revolution A Composite of Erosive Land Use over the Historical Period The Systematic Effects of Historical Agriculture on the Physical Landscape The Role of Modified Hydrology (In Particular, the Role of Rills and Gullies) Increasing Hydrologic Change and Soil Erosion in the Hill Country Effects of Soil Conservation on the Physical Landscape Sediment Budgets over the Historical Period Zones of Physical Processes within Stream Basins of the Hill Country Tributaries Upper Main Valley (UMV) Lower Main Valley (LMV) Stream Erosion of High Terraces and High Banks Upland Gully Erosion and its Effects Hillside Gullies and Their Fans The Appleby Farm The Zink Farm High Terrace Gullies and Their Fans The Buffalo and Black River Terraces Proksch Coulee Ratz Gully The Peterson Event The Tributaries: Zone of Early, Complex Changes of Process and Form Villages Fairwater, Minnesota Similar Villages Other Locations and Functions Farms and Farmsteads Roads, Railroads, Bridges, and Communication Lines Mills, Reservoirs, and Water Power Fish Habitat The Upper Main Valleys: Zone of Later Complex Changes of Process and Form Villages Elba, Minnesota Coon Valley, Wisconsin Freeburg, Minnesota Farms and Farmsteads The Lower Main Valleys: Zone of Perennial Sedimentation Villages and Towns Chaseburg, Wisconsin Beaver and Whitewater Falls, Minnesota Soldiers Grove and Gays Mills, Wisconsin Galena, Illinois and Potosi, Wisconsin Elkport and Garber, Iowa Village Creek, Iowa Ion, Iowa Rushford, Minnesota Arcadia, Wisconsin Farms and Farmsteads of the LMV Roads, Bridges, and Communication Lines Mills and Reservoirs The Great Flood of August 2007 and its Implications The Storm Mass Movements Upland Slopes Gullies Tributaries Upper Main Valley Lower Main Valley Sediment Yield or Efflux Conclusions Conclusions Index
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