Low Flow Aquatic Habitat Restoration Evaluation PDF Download
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Author: C. Bradley Florentin
Publisher:
ISBN:
Category : Channels (Hydraulic engineering)
Languages : en
Pages : 380
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Author: C. Bradley Florentin
Publisher:
ISBN:
Category : Channels (Hydraulic engineering)
Languages : en
Pages : 380
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Book Description
Author:
Publisher:
ISBN:
Category : Aquatic habitats
Languages : en
Pages : 172
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 16
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Aquatic habitat quality is dependent on water quality, bed slope, water temperature, dissolved oxygen, substrate, vegetation, and hydraulic parameters in the stream system. The Riverine Community Habitat Assessment and Restoration Concept (RCHARC) is a methodology developed by the U.S. Army Engineer Waterways Experiment Station, Environmental Laboratory, to compare hydraulic parameters (depth and velocity) between natural, degraded, and restored channel reaches. The methodology is generally applied to alternate reaches in the same stream; therefore, the habitat quality variables must also be closely matched. RCHARC assumes that if the diversity of hydraulic and habitat quality parameters for a 'comparison standard' reach can be replicated in the stream restoration reach, then the aquatic habitat quality can be enhanced. The RCHARC Methodology has been successfully applied to large, warm-water rivers. The objective of this study was to Beta test the RCHARC methodology for its applicability to cold-water flood control channels. The results of the Beta test and analysis conducted at Rapid Creek, South Dakota, are reported herein. The field site selected for testing the RCHARC methodology was Rapid Creek, located in and adjacent to Rapid City, SD. Natural (comparison standard) and restored reaches were identified for comparison. Field crews were dispatched in June and October 1993 to collect field data during high- and low-flow conditions, respectively. Data collected included cross-sectional profiles, discharge, depth and velocity pairs, dissolved oxygen, water temperature, thalweg and water surface elevation profiles, suspended and bed-load samples, armor layer and substrate samples, and photographic documentation.
Author: National Research Council
Publisher: National Academies Press
ISBN: 9780309045346
Category : Technology & Engineering
Languages : en
Pages : 580
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Aldo Leopold, father of the "land ethic," once said, "The time has come for science to busy itself with the earth itself. The first step is to reconstruct a sample of what we had to begin with." The concept he expressedâ€"restorationâ€"is defined in this comprehensive new volume that examines the prospects for repairing the damage society has done to the nation's aquatic resources: lakes, rivers and streams, and wetlands. Restoration of Aquatic Ecosystems outlines a national strategy for aquatic restoration, with practical recommendations, and features case studies of aquatic restoration activities around the country. The committee examines: Key concepts and techniques used in restoration. Common factors in successful restoration efforts. Threats to the health of the nation's aquatic ecosystems. Approaches to evaluation before, during, and after a restoration project. The emerging specialties of restoration and landscape ecology.
Author:
Publisher:
ISBN:
Category : Aquatic habitats
Languages : en
Pages : 148
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Author: Gang Pan
Publisher: MDPI
ISBN: 3039360426
Category : Science
Languages : en
Pages : 226
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Book Description
Eutrophication has become one of the major environmental issues of global concern due to the adverse effects on water quality, public health, and ecosystem sustainability. Fundamental research on the restoration of eutrophic freshwaters, i.e., lakes and rivers, is crucial to supporting further evidence-based practical implementations. The 12 published research papers can be classified into to three major aspects of this topic, into which they provide valuable contributions. Firstly, a background investigation into the migration of nutrients and the characteristics of submerged biota will guide and assist understanding of the mechanisms of future restoration. Secondly, various restoration strategies are studied and evaluated, including control of both external and internal nutrient loading. Thirdly, an evaluation of field sites after restoration treatment is reported in order to support the selection of appropriate restoration approaches. We foresee that the papers will significantly contribute to eutrophication control, natural water sustainability, and ecological restoration.
Author: National Academies of Sciences, Engineering, and Medicine
Publisher: National Academies Press
ISBN: 0309451582
Category : Science
Languages : en
Pages : 177
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Book Description
The Edwards Aquifer in south-central Texas is the primary source of water for one of the fastest growing cities in the United States, San Antonio, and it also supplies irrigation water to thousands of farmers and livestock operators. It is also is the source water for several springs and rivers, including the two largest freshwater springs in Texas that form the San Marcos and Comal Rivers. The unique habitat afforded by these spring-fed rivers has led to the development of species that are found in no other locations on Earth. Due to the potential for variations in spring flow caused by both human and natural causes, these species are continuously at risk and have been recognized as endangered under the federal Endangered Species Act(ESA). In an effort to manage the river systems and the aquifer that controls them, the Edwards Aquifer Authority and stakeholders have developed a Habitat Conservation Plan (HCP). The HCP seeks to effectively manage the river-aquifer system to ensure the viability of the ESA-listed species in the face of drought, population growth, and other threats to the aquifer. The National Research Council was asked to assist in this process by reviewing the activities around implementing the HCP. Review of the Edwards Aquifer Habitat Conservation Plan: Report 2 reviews the progress in implementing the recommendations from the Committee's first report, seeking to clarify and provide additional support for implementation efforts where appropriate. The current report also reviews selected Applied Research projects and minimization and mitigation measures to help ensure their effectiveness in benefiting the listed species.
Author: K. Jack Killgore
Publisher:
ISBN:
Category : Fishes
Languages : en
Pages : 10
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 376
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