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Author: Ann L. Riley
Publisher:
ISBN: 9781610913546
Category :
Languages : en
Pages : 0
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Book Description
Thirty years ago, urban streams were perceived as little more than flood control devices designed to hurry water through cities and neighborhoods with scant thought for aesthetics or ecological considerations. But stream restoration pioneers like hydrologist Ann Riley argued that by restoring ecological function and with careful management, streams and rivers could be a net benefit to cities instead of a net liability. Riley has since spearheaded numerous urban stream restoration projects and put to rest the long-held misconception that degraded urban streams are beyond help. What has been missing, however, has been detailed guidance for restoration practitioners wanting to undertake similar urban stream restoration projects that worked with, rather than against, nature. This book presents the author's thirty years of practical experience managing long-term stream and river restoration projects in heavily degraded urban environments. Although the case studies are local, the principles, methods, and tools are universal, and can be applied in almost any city in the world.
Author: Ann L. Riley
Publisher:
ISBN: 9781610913546
Category :
Languages : en
Pages : 0
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Book Description
Thirty years ago, urban streams were perceived as little more than flood control devices designed to hurry water through cities and neighborhoods with scant thought for aesthetics or ecological considerations. But stream restoration pioneers like hydrologist Ann Riley argued that by restoring ecological function and with careful management, streams and rivers could be a net benefit to cities instead of a net liability. Riley has since spearheaded numerous urban stream restoration projects and put to rest the long-held misconception that degraded urban streams are beyond help. What has been missing, however, has been detailed guidance for restoration practitioners wanting to undertake similar urban stream restoration projects that worked with, rather than against, nature. This book presents the author's thirty years of practical experience managing long-term stream and river restoration projects in heavily degraded urban environments. Although the case studies are local, the principles, methods, and tools are universal, and can be applied in almost any city in the world.
Author: Ann L. Riley
Publisher:
ISBN:
Category : Architecture
Languages : en
Pages : 456
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Book Description
Ann L. Riley describes an interdisciplinary approach to stream management that does not attempt to control streams, but rather considers the stream as a feature in the urban environment. She presents a logical sequence of land-use planning, site design, and watershed restoration measures along with stream channel modifications and floodproofing strategies that can be used in place of destructive and expensive public works projects. She features examples of effective and environmentally sensitive bank stabilization and flood damage reduction projects, with information on both the planning processes and end results. Chapters provide: history of urban stream management and restoration; information on federal programs, technical assistance, and funding opportunities; and in-depth guidance on implementing projects: collecting watershed and stream channel data, installing revegetation projects, protecting buildings from overbank stream flows.
Author: Ann L. Riley
Publisher: Island Press
ISBN: 1610917405
Category : Architecture
Languages : en
Pages : 288
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Book Description
This book presents the author’s thirty years of practical experience managing long-term stream and river restoration projects in heavily degraded urban environments. Riley provides a level of detail only a hands-on design practitioner would know, including insights on project design, institutional and social context of successful projects, and how to avoid costly and time-consuming mistakes.
Author: California. Urban Stream Restoration Program
Publisher:
ISBN:
Category : Flood control
Languages : en
Pages : 16
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Book Description
Author: Michael L. Clar
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 504
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Book Description
This collection contains 48 papers presented at an international symposium on the restoration and protection of streams at the 2003 World Water and Environmental Resources Congress, held in Philadelphia, Pennsylvania, June 23-26, 2003.
Author: Conservation Technology Information Center
Publisher:
ISBN:
Category : Fish habitat improvement
Languages : en
Pages : 162
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Book Description
Author: Rebecca Lave
Publisher: MIT Press
ISBN: 0262539195
Category : Political Science
Languages : en
Pages : 208
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Book Description
An analysis of stream mitigation banking and the challenges of implementing market-based approaches to environmental conservation. Market-based approaches to environmental conservation have been increasingly prevalent since the early 1990s. The goal of these markets is to reduce environmental harm not by preventing it, but by pricing it. A housing development on land threaded with streams, for example, can divert them into underground pipes if the developer pays to restore streams elsewhere. But does this increasingly common approach actually improve environmental well-being? In Streams of Revenue, Rebecca Lave and Martin Doyle answer this question by analyzing the history, implementation, and environmental outcomes of one of these markets: stream mitigation banking. In stream mitigation banking, an entrepreneur speculatively restores a stream, generating “stream credits” that can be purchased by a developer to fulfill regulatory requirements of the Clean Water Act. Tracing mitigation banking from conceptual beginnings to implementation, the authors find that in practice it is very difficult to establish equivalence between the ecosystems harmed and those that are restored, and to cope with the many sources of uncertainty that make positive restoration outcomes unlikely. Lave and Doyle argue that market-based approaches have failed to deliver on conservation goals and call for a radical reconfiguration of the process.
Author: Stacy Lynn Hines
Publisher:
ISBN:
Category : Stream ecology
Languages : en
Pages : 56
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Book Description
"Urban stream restoration projects have been undertaken to improve physical, chemical, and biological integrity, but there has been little assessment of the effectiveness of these projects in restoring ecological function. I looked at the effect of restoration on improving water quality, periphyton, nutrient uptake, and macroinvertebrate communities compared to unrestored streams. When there was a restoration effect, I compared three types of restoration structures (riffle, cross vane, and step pool) in the restored streams to unrestored streams. Two years after restoration, restored streams did have a more oxygen rich environment. The structures provided hard substrate for algal growth which positively affected nutrient uptake length. There was also a strong trend toward faster uptake velocity and greater uptake rate in restored streams. There was a trend indicating riffles were more beneficial than cross vanes and step pools. The trend suggested that riffles allowed for more mean algal growth and had better water quality ratings. Despite the benefits of the restoration, there was little improvement in biotic integrity based on the North Carolina Biotic Index."--Abstract from author supplied metadata.
Author: Maura Browning
Publisher:
ISBN:
Category : Stream restoration
Languages : en
Pages : 210
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Book Description
The most recent national water quality inventory lists more than one-third of assessed rivers in the United States as impaired or polluted (EPA 2002). Concerns over the impacts of urbanization--the second largest contributor of non-point source pollution to surface water (Veissman and Hammer 2005)--have resulted in the initiation of major investments in urban stream restoration in the United States. However, less than 10% of stream restorations are currently post-monitored for goal attainment (Bernhardt et al. 2005; Hassett 2007). This study strives to address the wide research gap in post-stream restoration monitoring; particularly those associated with urban, headwater streams, as they receive the largest share of river restoration dollars and effort in the United States (Bernhardt and Palmer 2007). More specifically, this study focuses on water quality monitoring, nationally one of the most commonly stated project goals of stream restoration (Bernhardt et al. 2005). The general research design involved water quality and discharge monitoring of three restored stream reaches across a spectrum of design approaches ("hard" structural design, "soft" bioengineering design, and "seepage wetland" design) on a bimonthly basis between October 2007 and April 2008, primarily during baseflow conditions. Upstream and downstream water quality data for nitrogen (nitrate + nitrite and ammonium), total suspended solids, pH, dissolved oxygen, temperature, and specific conductivity were statistically evaluated with paired t-tests. Water quality improvement amongst the three design approaches was statistically evaluated by comparing the differences between upstream and downstream concentrations using an ANOVA test. All statistical analyses utilized a 95% confidence level and were conducted using SPSS statistical software. The efficacy of the three design approaches was further evaluated by calculating percent differences between upstream and downstream concentrations as well as by calculating nitrogen and sediment removal efficiencies. This study's results suggests that (1) all restored urban streams have the potential to improve water quality, as demonstrated by statistically significant differences between upstream and downstream concentrations for nitrate-N and dissolved oxygen in all three streams in the paired t-tests; and (2) the "seepage wetland" approach exhibited a greater percent removal of nitrate-N than the other two approaches.
Author:
Publisher: National Technical Info Svc
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 648
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Book Description
This document is a cooperative effort among fifteen Federal agencies and partners to produce a common reference on stream corridor restoration. It responds to a growing national and international interest in restoring stream corridors.
