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study guide part 2, test 1

study guide part 2, test 1 - Benefits of urban vegetation...

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Benefits of urban vegetation Environmental Control: Erosion Control Slope Stability Runoff Control NPS pollution control Dune stabilization Noise attenuation Glare and reflection reduction Microclimate Control: Temperature reduction (counters urban “heat island” effect-where all heat is kept in from impervious surfaces) Wind Control Shading Architectural and aesthetic benefits: Defines spaces and borders, makes things look nice Articulation of space Natural aesthetics Ecological Benefits: Wildlife Habitat Quality of life- Money received for civalculture, windbreaks and shade Types of Vegetative Buffers *Vegetative Buffers help with ecological functions and enhance stable and productive soils, cleaner water, aquatic and terrestrial wildlife habitat and populations, protection of crops, livestock and structures, aesthetics and recreational opportunities and sustainable landscapes. Riparian Buffers- area of trees and shrubs located next to streams, lakes, ponds, and wetlands; intercepts contaminants from surface runoff and shallow subsurface water flow; can also enhance wildlife habitat, impact water temperature, and aid in stream bank stability Filter Strips- area of grass to reduce sediment and other pollutants from runoff and to maintain or improve water quality. They slow the velocity of water, filter suspended soil particles, and increases infiltration of runoff and soluble pollutants and absorption of pollutants on soil and plant surfaces. Cross-wind trap strips- areas of herbaceous vegetation that are resistant to wind erosion and grown as nearly as possible to the prevailing wind direction; catch windborne sediment and other pollutants before it reaches water bodies or other sensitive areas…filter strips for windborne material Grassed waterways-natural or constructed vegetated channel that is shaped and graded to carry surface water at a nonerosive velocity to a stable outlet that spreads the flow of water before it enters a vegetated filter Windbreaks-single or multiple row of trees or shrubs that protects soil from wind erosion, protects sensitive plants, manages snow, improves irrigation efficiency, protects live-stock and structures, and creates or enhances wildlife habitat. Living snow fences-place trees to catch the snow
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Alley cropping-Alley cropping is broadly defined as the planting of rows of trees and/or shrubs (single or multiple) at wide spacing, creating alleyways within which agricultural crops or horticultural crops are produced. Wetlands: benefits, losses, mitigation and protection, section 404 of the Clean Water Act, mitigation banking Benefits of Wetlands- Provide important ecological benefits for wildlife and natural systems and are among the most biologically productive natural ecosystems in the world Support human activities through flooding and erosion control Dissipate wave energy and erosive potential Intercept surface runoff and remove nutrients, organic wastes, and sediments before
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study guide part 2, test 1 - Benefits of urban vegetation...

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