Effectiveness of a Multi-species Riparian Buffer System for Sediment and Nutrient Removal PDF Download
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Author: Kye-Han Lee Publisher: ISBN: Category : Languages : en Pages : 278
Book Description
Under natural rainfall conditions, the 7.1 m wide warm-season grass (switchgrass) buffer removed 95% of sediment, 80% of total-N, 62% of NO3-N, 78% of total-P, and 58% of PO4-P in surface runoff. The 16.3 m wide warm-season grass/woody buffer removed 97% of sediment, 94% of total-N, 85% of NO3-N, 91% of total-P, and 80% of PO4-P in runoff. Clay and soluble nutrient reduction were related to the degree of runoff infiltration. Even though the warm-season grass buffer was effective at removing sediment and sediment-bound nutrients, the warm-season grass/woody buffer increased the removal efficiency of soluble nutrients by over 20%. The combination of dense, stiff, warm-season grasses, and woody vegetation in a riparian buffer system improves the removal of NPS pollutants from agricultural runoff. These results can be used to improve the design of riparian buffers for improved water quality in agricultural areas.
Author: Kye-Han Lee Publisher: ISBN: Category : Languages : en Pages : 278
Book Description
Under natural rainfall conditions, the 7.1 m wide warm-season grass (switchgrass) buffer removed 95% of sediment, 80% of total-N, 62% of NO3-N, 78% of total-P, and 58% of PO4-P in surface runoff. The 16.3 m wide warm-season grass/woody buffer removed 97% of sediment, 94% of total-N, 85% of NO3-N, 91% of total-P, and 80% of PO4-P in runoff. Clay and soluble nutrient reduction were related to the degree of runoff infiltration. Even though the warm-season grass buffer was effective at removing sediment and sediment-bound nutrients, the warm-season grass/woody buffer increased the removal efficiency of soluble nutrients by over 20%. The combination of dense, stiff, warm-season grasses, and woody vegetation in a riparian buffer system improves the removal of NPS pollutants from agricultural runoff. These results can be used to improve the design of riparian buffers for improved water quality in agricultural areas.
Author: Stephanie Parkyn Publisher: ISBN: Category : Buffer zones (Ecosystem management) Languages : en Pages : 42
Book Description
The purpose of this report is to review and summarise published research on the efficiency and management of riparian buffer zones (RBZ) with respect to the attenuation of sediment and nutrients, and biodiversity enhancement. While there have been numerous studies on the efficiency of RBZ with respect to sediment and nutrients, many of these studies have been small-scale and site-specific. Therefore, a review of these studies needs to consider an assessment of the catchment scale factors that influence the effectiveness of RBZ in attenuating catchment loads.
Author: National Research Council Publisher: National Academies Press ISBN: 0309172683 Category : Nature Languages : en Pages : 569
Book Description
In 1997, New York City adopted a mammoth watershed agreement to protect its drinking water and avoid filtration of its large upstate surface water supply. Shortly thereafter, the NRC began an analysis of the agreement's scientific validity. The resulting book finds New York City's watershed agreement to be a good template for proactive watershed management that, if properly implemented, will maintain high water quality. However, it cautions that the agreement is not a guarantee of permanent filtration avoidance because of changing regulations, uncertainties regarding pollution sources, advances in treatment technologies, and natural variations in watershed conditions. The book recommends that New York City place its highest priority on pathogenic microorganisms in the watershed and direct its resources toward improving methods for detecting pathogens, understanding pathogen transport and fate, and demonstrating that best management practices will remove pathogens. Other recommendations, which are broadly applicable to surface water supplies across the country, target buffer zones, stormwater management, water quality monitoring, and effluent trading.
Author: National Research Council Publisher: National Academies Press ISBN: 0309082951 Category : Science Languages : en Pages : 449
Book Description
The Clean Water Act (CWA) requires that wetlands be protected from degradation because of their important ecological functions including maintenance of high water quality and provision of fish and wildlife habitat. However, this protection generally does not encompass riparian areasâ€"the lands bordering rivers and lakesâ€"even though they often provide the same functions as wetlands. Growing recognition of the similarities in wetland and riparian area functioning and the differences in their legal protection led the NRC in 1999 to undertake a study of riparian areas, which has culminated in Riparian Areas: Functioning and Strategies for Management. The report is intended to heighten awareness of riparian areas commensurate with their ecological and societal values. The primary conclusion is that, because riparian areas perform a disproportionate number of biological and physical functions on a unit area basis, restoration of riparian functions along America's waterbodies should be a national goal.
Author: Robert J. Naiman Publisher: Elsevier ISBN: 0080470688 Category : Science Languages : en Pages : 445
Book Description
This book describes the underlying water conditions and geologies that support viable riparia, illustrates the ecological characteristics of riparia, and discusses how riparia are used by human cultures as well as how riparia can be used to sustain environmental quality. In recent years riparian management has been widely implemented as a means of improving fisheries, water quality, and habitat for endangered species. This book provides the basic knowledge necessary to implement successful, long-term management and rehabilitation programs. - Treats riparian patterns & processes in a holistic perspective, from ecological components to societal activities - Contains over 130 illustrations and photos that summarize this complex ecological system - Synthesizes the information from more than 6,000 professional articles - Sidebars provide a look into ongoing research that is at the frontiers of riparian ecology and management
Author: Harold E. Gene Garrett Publisher: John Wiley & Sons ISBN: 0891183779 Category : Technology & Engineering Languages : en Pages : 580
Book Description
North American Agroforestry Explore the many benefits of alternative land-use systems with this incisive resource Humanity has become a victim of its own success. While we’ve managed to meet the needs—to one extent or another—of a large portion of the human population, we’ve often done so by ignoring the health of the natural environment we rely on to sustain our planet. And by deteriorating the quality of our air, water, and land, we’ve put into motion consequences we’ll be dealing with for generations. In the newly revised Third Edition of North American Agroforestry, an expert team of researchers delivers an authoritative and insightful exploration of an alternative land-use system that exploits the positive interactions between trees and crops when they are grown together and bridges the gap between production agriculture and natural resource management. This latest edition includes new material on urban food forests, as well as the air and soil quality benefits of agroforestry, agroforestry’s relevance in the Mexican context, and agroforestry training and education. The book also offers: A thorough introduction to the development of agroforestry as an integrated land use management strategy Comprehensive explorations of agroforestry nomenclature, concepts, and practices, as well as an agroecological foundation for temperate agroforestry Practical discussions of tree-crop interactions in temperate agroforestry, including in systems such as windbreak practices, silvopasture practices, and alley cropping practices In-depth examinations of vegetative environmental buffers for air and water quality benefits, agroforestry for wildlife habitat, agroforestry at the landscape level, and the impact of agroforestry on soil health Perfect for environmental scientists, natural resource professionals and ecologists, North American Agroforestry will also earn a place in the libraries of students and scholars of agricultural sciences interested in the potential benefits of agroforestry.
Author: Kye-Han Lee
Author: Kye-Han Lee
Author: Stephanie Parkyn
Author: United States. Army. Corps of Engineers. New England Division
Author: Andrew J. Castelle
Author: National Research Council
Author: National Research Council
Author: Robert J. Naiman
Author: 
Author: David J. Welsch
Author: Harold E. Gene Garrett