Erosion (USDA)

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Cliff erosion in Pacifica, California

Erosion is - according to the USDA terminology - "the wearing away of the land surface by running water, waves, or moving ice and wind, or by such processes as mass wasting and corrosion (solution and other chemical processes). The term "geologic erosion" refers to natural erosion processes occurring over long (geologic) time spans. "Accelerated erosion" generically refers to erosion that exceeds what is presumed or estimated to be naturally occurring levels, and which is a direct result of human activities (e.g., cultivation and logging)."[1]

See Also

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|group1=Ethics |list1=1. Earth care 2. People care 3. Reinvesting surplus

|group2=Water |list2=Aquaponics - Aquaculture ponds barren land recovery • Berm Bioswale Earth works Greywater Hugelkultur Irrigation Replacing irrigation with Permaculture Natural swimming pool Desert greening Rainwater harvesting Swales on contour Water conservation

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|group4=Techniques |list4=Biodiversity Bio-mimicry Cast iron Conservation vs. environmentalism Contour Edge effect Electric tractor Food as medicine Food preservation Food storage Function stacking Holistic management HUSP Interplanting Invest in tangibles Keyhole bed Microclimate Natural building recycling Renewable energy Rocket mass heater Rumford fireplace Solar dehydrator TEFA - Textured food all-year round Wildcrafting Wofati Zones

|group5=People |list5=Jason Akers (The Self-Sufficient Gardener) • Martin Crawford (Creating a Forest Garden) • Alan Enzo Ben Falk (The Resilient Farm and Homestead) • Sepp Holzer (Sepp Holzer’s Permaculture) • Masanobu Fookuoka (The One-Straw Revolution) • Toby Hemenway (Gaia's Garden) • David Holmgren (Permaculture - Principles and Pathways beyond Sustainability) • Ben Law (The Woodland Way) • Geoff Lawton (Permaculture Research Institute) • Art Ludwig Bill Mollison (Founder Permaculture - A Designers Manual) • Mike Oehler Dean Pain Joel Salatin (You Can Farm) • Allan Savory (Holistic Management Handbook - Healthy Land, Healthy Profits) • Christopher Shein Mark Shepard (Restoration Agriculture - Real-World Permaculture for Farmers) • Darby Simpson Willie Smits Jack Spirko (PermaEthos) • Ruth Stout Eric Toensmeier (Edible Forest Gardens) • Josiah Wallingford Paul Wheaton (Permies.com / Permaculture Playing Cards) • Bill Wilson Marjory Wildcraft (Food Production Systems for a Backyard or Small Farm)

|group6=Animals in permaculture |list6=Bees Bugs, Weeds, Funguses, and Microorganisms Chickens Chicken tractor Free range Fungi Honey bees Livestock guardian dogs Managed intensive rotational grazing (mob grazing) • Mason bees Paddock-shift system Pigs Pollinators Rotational grazing

|group7=Plants in Permaculture |list7=Apple tree Bamboo Black locust Close-grown crops Comfrey Companion planting Dandelion Food forest Herb spiral Intercropping Leguminous plant Mulberry Mullein Perennial plants Plant guild Pioneer species Polyculture Rhubarb Stinging nettles Sunchokes Support species Tree planting

External Links

References

United States Department of Agriculture Terms

Aerial photograph; Artificial and modified surfaces; Barren; Barren land; Beach; Census water; Climatic factor; Close-grown crops; Conservation practice; Conservation Reserve Program; Conservation Reserve Program land; Cover and management factor; Cowardin system; Cropland; Cropping history; Deepwater habitat; Developed land; Erodibility index; Erosion (USDA); Estuarine Wetland; Farmsteads and ranch headquarters; Field; Forest land; General cover; Growing season; Habitat composition; Habitat configuration; Habitat patch; Hayland; Herbaceous; Horticultural cropland; Irrigated land; Lacustrine System; Lake (land type); Land capability classification; Land cover/use; Large streams; Large urban and built-up areas; Large water bodies; Marine System; Marshland; Mines, quarries, and pits; Minor land cover/uses; Mud flat; Open canopy short woody plants; Open canopy tall woody plants; Other aquatic habitats; Other rural land; Ownership; Palustrine Wetland; Pastureland; Perennial stream; Personal Digital Assistant ; Photographic interpretation; Practice factor; Primary sample unit; Prime farmland; Railroads; Rainfall and runoff; Rangeland; Remote sensing; Reservoir (land type); Ridge roughness; Riverine System; Riverwash; Row crops; Rural transportation land; Saline deposits; Salt flats; Sample point; Sand dunes; Sheet and rill erosion; Short woody plants; Silviculture; Slope (land type); Slope length; Slope-length factor; Slope-steepness factor ; Small built-up areas; Small streams; Small water bodies; Soil erodibility factor; Soil erodibility index; Soil loss tolerance factor ; Soil survey; Stream (land type); Tall woody plants; Universal soil loss equation; Unsheltered distance; Uplands (land type); Urban and built-up areas; Vegetative cover; Water (land type); Water areas; Water body; Water spreading; Wetlands (land type); Wetland losses; Wind erodibility group; Wind erosion; Wind erosion equation;

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