Evaluating Cumulative Ecosystem Response to Restoration Projects in the Columbia River Estuary, Annual Report 2007 PDF Download
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Languages : en
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The goal of this multi-year study (2004-2010) is to develop a methodology to evaluate the cumulative effects of multiple habitat restoration projects intended to benefit ecosystems supporting juvenile salmonids in the lower Columbia River and estuary. Literature review in 2004 revealed no existing methods for such an evaluation and suggested that cumulative effects could be additive or synergistic. Field research in 2005, 2006, and 2007 involved intensive, comparative studies paired by habitat type (tidal swamp vs. marsh), trajectory (restoration vs. reference site), and restoration action (tide gate vs. culvert vs. dike breach). The field work established two kinds of monitoring indicators for eventual cumulative effects analysis: core and higher-order indicators. Management implications of limitations and applications of site-specific effectiveness monitoring and cumulative effects analysis were identified.
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Languages : en
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Book Description
The goal of this multi-year study (2004-2010) is to develop a methodology to evaluate the cumulative effects of multiple habitat restoration projects intended to benefit ecosystems supporting juvenile salmonids in the lower Columbia River and estuary. Literature review in 2004 revealed no existing methods for such an evaluation and suggested that cumulative effects could be additive or synergistic. Field research in 2005, 2006, and 2007 involved intensive, comparative studies paired by habitat type (tidal swamp vs. marsh), trajectory (restoration vs. reference site), and restoration action (tide gate vs. culvert vs. dike breach). The field work established two kinds of monitoring indicators for eventual cumulative effects analysis: core and higher-order indicators. Management implications of limitations and applications of site-specific effectiveness monitoring and cumulative effects analysis were identified.
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Languages : en
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Draft annual report for the Cumulative Effects Study for the US Army Corps of Engineers, Portland District.
Author: T. Brewer
Publisher:
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Category : Fish habitat improvement
Languages : en
Pages :
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"The goal of the study was to evaluate the ecological benefits of restoration actions for juvenile salmon in the lower Columbia River and estuary (LCRE: rkm 0-234). This multi-year study (2011-2018) addresses the ecological benefits of restoration actions at multiple spatial scales over time. The spatial scales include the 1) site scale as a result of an individual project, 2) landscape scale as a result of multiple restoration actions located within a ~50-km segment of the LCRE, and 3) estuary scale as a result of the cumulative effects of multiple restoration actions estuary-wide." -- Executive Summary, page vii.
Author: Jeffrey S. Levinton
Publisher: Cambridge University Press
ISBN: 9780521844789
Category : History
Languages : en
Pages : 514
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The Hudson River Estuary, first published in 2006, is a scientific biography with relevance to similar natural systems.
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Languages : en
Pages : 33
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Evaluating the cumulative effects of large-scale ecological restoration programs is necessary to inform adaptive ecosystem management and provide society with resilient and sustainable services. However, complex linkages between restorative actions and ecosystem responses make evaluations problematic. Despite long-term federal investments in restoring aquatic ecosystems, no standard evaluation method has been adopted and most programs focus on monitoring and analysis, not synthesis and evaluation. In this paper, we demonstrate a new transdisciplinary approach integrating techniques from evidence-based medicine, critical thinking, and cumulative effects assessment. Tiered hypotheses are identified using an ecosystem conceptual model. The systematic literature review at the core of evidence-based assessment becomes one of many lines of evidence assessed collectively, using critical thinking strategies and causal criteria from a cumulative effects perspective. As a demonstration, we analyzed data from 166 locations on the Columbia River and estuary representing 12 indicators of habitat and fish response to floodplain restoration actions intended to benefit threatened and endangered salmon. Synthesis of seven lines of evidence showed that hydrologic reconnection promoted macrodetritis export, prey availability, and fish access and feeding. The evidence was sufficient to infer cross-boundary, indirect, compounding and delayed cumulative effects, and suggestive of nonlinear, landscape-scale, and spatial density effects. On the basis of causal inferences regarding food web functions, we concluded that the restoration program has a cumulative beneficial effect on juvenile salmon. As a result, this evidence-based approach will enable the evaluation of restoration in complex coastal and riverine ecosystems where data have accumulated without sufficient synthesis.
Author: United States. Army. Corps of Engineers. Portland District
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Category : Columbia River Estuary (Or. and Wash.)
Languages : en
Pages :
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"This Environmental Assessment (EA) has been prepared by the U.S. Army Corps of Engineers, Portland District (Corps) in cooperation with the Bonneville Power Administration (BPA), (together, the Action Agencies) to evaluate the Columbia Stock Ranch Ecosystem Restoration Project. This project is proposed as part of the Corps’ Section 536 Authority to conduct studies and implement ecosystem restoration projects in the lower Columbia River and Tillamook Bay estuaries. The proposed ecosystem restoration project requires review under the National Environmental Policy Act (NEPA) (42 United States Code [U.S.C.] § 4321, et seq. and implementing regulations at 40 Code of Federal Regulations [C.F.R.] § 1500 and 33 CFR Part 230). The Columbia Land Trust (CLT) is the landowner for the subject property and BPA is the project sponsor and a cooperating agency under NEPA." -- Executive summary, page ES-1.
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Category : Fish habitat improvement
Languages : en
Pages : 0
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This report is the annual report documenting Action Effectiveness Monitoring (AEM) efforts implemented by the Lower Columbia River Estuary Partnership (Estuary Partnership) under Bonneville Power Administration (BPA) Project Number 2003-011-00, Contract Number 45815.
Author: Mary Doyle
Publisher: Island Press
ISBN: 1610910893
Category : Science
Languages : en
Pages : 345
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Book Description
Large-Scale Ecosystem Restoration presents case studies of five of the most noteworthy large-scale restoration projects in the United States: Chesapeake Bay, the Everglades, California Bay Delta, the Platte River Basin, and the Upper Mississippi River System. These projects embody current efforts to address ecosystem restoration in an integrative and dynamic manner, at large spatial scale, involving whole (or even multiple) watersheds, and with complex stakeholder and public roles. Representing a variety of geographic regions and project structures, the cases shed light on the central controversies that have marked each project, outlining • the history of the project • the environmental challenges that generated it • the difficulties of approaching the project on an ecosystem-wide basis • techniques for conflict resolution and consensus building • the ongoing role of science in decision making • the means of dealing with uncertainties A concluding chapter offers a guide to assessing the progress of largescale restoration projects. Large-Scale Ecosystem Restoration examines some of the most difficult and important issues involved in restoring and protecting natural systems. It is a landmark publication for scientists, policymakers, and anyone working to protect or restore landscapes or watersheds.
Author: Julie Koppel Maldonado
Publisher: Springer
ISBN: 3319052667
Category : Science
Languages : en
Pages : 178
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With a long history and deep connection to the Earth’s resources, indigenous peoples have an intimate understanding and ability to observe the impacts linked to climate change. Traditional ecological knowledge and tribal experience play a key role in developing future scientific solutions for adaptation to the impacts. The book explores climate-related issues for indigenous communities in the United States, including loss of traditional knowledge, forests and ecosystems, food security and traditional foods, as well as water, Arctic sea ice loss, permafrost thaw and relocation. The book also highlights how tribal communities and programs are responding to the changing environments. Fifty authors from tribal communities, academia, government agencies and NGOs contributed to the book. Previously published in Climatic Change, Volume 120, Issue 3, 2013.
Author: Speed, Robert
Publisher: UNESCO Publishing
ISBN: 9231001655
Category :
Languages : en
Pages : 204
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