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Impacts Of Land Use Changes On Salmonid Habitat Quality In The Lower Cedar River Watershed
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Book Synopsis Impacts of Land Use Changes on Salmonid Habitat Quality in the Lower Cedar River Watershed by : Patrick M. Marchman
Download or read book Impacts of Land Use Changes on Salmonid Habitat Quality in the Lower Cedar River Watershed written by Patrick M. Marchman and published by . This book was released on 2005 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Changes in Fluvial Habitat Conditions Across a Disturbance Continuum by : Raymond K. Timm
Download or read book Changes in Fluvial Habitat Conditions Across a Disturbance Continuum written by Raymond K. Timm and published by . This book was released on 2013 with total page 99 pages. Available in PDF, EPUB and Kindle. Book excerpt: A spatially explicit watershed and riparian habitat model was developed for quantifying site characteristics of riparian habitats of the lower Cedar River, Washington. The spatial complexity and distribution of combined habitat and anthropogenic landscape features were used to define habitat "indices" of the relative quality of riparian habitats. Patches of contiguous grid cells were measured in terms of their locations, sizes, and relative degree of fragmentation to estimate riparian restoration opportunities in the watershed. One key area was impacted by a channel-damming landslide on February 28, 2001 when a magnitude 6.8 earthquake hit the region, causing the river to occupy an existing floodplain side channel. The channel and floodplain ecosystem responded rapidly until the channel's geomorphology settled into a short-term dynamic equilibrium according to LeChatelier's General Law. Large trees recruited to the channel facilitated lateral channel expansion as well as bed topographic variability. One year of pre-disturbance data was compared with three years of post-disturbance data in a spatially explicit analysis of the complexity of channel form and bed surface elevations. The landslide disturbance changed reach-scale habitat conditions and distributions of sockeye salmon (Oncorhynchus nerka). Annual changes in river habitat conditions and spawning distributions before and after the disturbance were evaluated with an exhaustive CHAID (chi-squared automatic interaction detection model. Before the landslide, the spatial and temporal patterns of sockeye distributions were heavily influenced by spawning locations of parental generations. Sockeye densities were highest in the upper-most river reaches where anthropogenic influences were least apparent. After the landslide, habitat complexity and fish densities increased in the lower river reaches that were directly affected by the landslide disturbance. The CHAID model analyses indicate fluvial habitat complexity, river discharge characteristics, and the fish density of respective parent generations were significant (P
Book Synopsis Final Environmental Impact Statement for the Lower White Salmon National Wild and Scenic River Management Plan by : United States. Forest Service. Pacific Northwest Region
Download or read book Final Environmental Impact Statement for the Lower White Salmon National Wild and Scenic River Management Plan written by United States. Forest Service. Pacific Northwest Region and published by . This book was released on 1991 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Forestry Impacts on Freshwater Habitat of Anadromous Salmonids in the Pacific Northwest and Alaska by : Michael L. Murphy
Download or read book Forestry Impacts on Freshwater Habitat of Anadromous Salmonids in the Pacific Northwest and Alaska written by Michael L. Murphy and published by . This book was released on 1995 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: "[P]resents a science overview of the major forest management issues involved in the recovery of anadromous salmonids affected by timber harvest in the Pacific Northwest and Alaska. The synthesis reviews salmonid habitat requirements and potential effects of logging, describes the technical foundation of forest practices and restoration, analyzes current federal and non-federal forest practices, and recommends required elements of comprehensive watershed management for recovery of anadromous salmonids"--Note to readers (p. [ii]).
Book Synopsis Final Report, Cedar River Instream Flow and Salmonid Habitat Utilization Study by :
Download or read book Final Report, Cedar River Instream Flow and Salmonid Habitat Utilization Study written by and published by . This book was released on 1991 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Riparian Areas by : National Research Council
Download or read book Riparian Areas written by National Research Council and published by National Academies Press. This book was released on 2002-10-10 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis HEC-2 Water Surface Profiles by : Hydrologic Engineering Center (U.S.)
Download or read book HEC-2 Water Surface Profiles written by Hydrologic Engineering Center (U.S.) and published by . This book was released on 1990 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: This manual documents Version 4.6 of HEC-2, released February 1991. Appendices provide sample applications, floodway options, bridge and culvert analysis. Input, output, and special notes are also presented in the Appendices.
Book Synopsis North American Journal of Fisheries Management by :
Download or read book North American Journal of Fisheries Management written by and published by . This book was released on 1994 with total page 928 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Siskiyou National Forest (N.F.), Elk Wild and Scenic River (WSR) Management Plan by :
Download or read book Siskiyou National Forest (N.F.), Elk Wild and Scenic River (WSR) Management Plan written by and published by . This book was released on 1992 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book General Technical Report RMRS written by and published by . This book was released on 1998 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Managing for Enhancement of Riparian and Wetland Areas of the Western United States by : David A. Koehler
Download or read book Managing for Enhancement of Riparian and Wetland Areas of the Western United States written by David A. Koehler and published by . This book was released on 2000 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: This annotated bibliography contains 1,905 citations from professional journals, symposia, workshops, proceedings, technical reports, and other sources. The intent of this compilation was to: (1) assemble, to the extent possible, all available and accessible publications relating to riparian management within a single source or document; (2) provide managers, field biologists, researchers, and others, a point of access for locating scientific literature relevent to their specific interest; and (3) provide, under one cover, a comprehensive collection of annotated publications that could dessiminate basic information relative to the status of our knowledge.
Book Synopsis Ecology of Atlantic Salmon and Brown Trout by : Bror Jonsson
Download or read book Ecology of Atlantic Salmon and Brown Trout written by Bror Jonsson and published by Springer Science & Business Media. This book was released on 2011-05-03 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt: Destruction of habitat is the major cause for loss of biodiversity including variation in life history and habitat ecology. Each species and population adapts to its environment, adaptations visible in morphology, ecology, behaviour, physiology and genetics. Here, the authors present the population ecology of Atlantic salmon and brown trout and how it is influenced by the environment in terms of growth, migration, spawning and recruitment. Salmonids appeared as freshwater fish some 50 million years ago. Atlantic salmon and brown trout evolved in the Atlantic basin, Atlantic salmon in North America and Europe, brown trout in Europe, Northern Africa and Western Asia. The species live in small streams as well as large rivers, lakes, estuaries, coastal seas and oceans, with brown trout better adapted to small streams and less well adapted to feeding in the ocean than Atlantic salmon. Smolt and adult sizes and longevity are constrained by habitat conditions of populations spawning in small streams. Feeding, wintering and spawning opportunities influence migratory versus resident lifestyles, while the growth rate influences egg size and number, age at maturity, reproductive success and longevity. Further, early experiences influence later performance. For instance, juvenile behaviour influences adult homing, competition for spawning habitat, partner finding and predator avoidance. The abundance of wild Atlantic salmon populations has declined in recent years; climate change and escaped farmed salmon are major threats. The climate influences through changes in temperature and flow, while escaped farmed salmon do so through ecological competition, interbreeding and the spreading of contagious diseases. The authors pinpoint essential problems and offer suggestions as to how they can be reduced. In this context, population enhancement, habitat restoration and management are also discussed. The text closes with a presentation of what the authors view as major scientific challenges in ecological research on these species.
Book Synopsis Environment Concerns in Rights-of-Way Management 8th International Symposium by : John W. Goodrich-Mahoney
Download or read book Environment Concerns in Rights-of-Way Management 8th International Symposium written by John W. Goodrich-Mahoney and published by Elsevier. This book was released on 2011-08-11 with total page 873 pages. Available in PDF, EPUB and Kindle. Book excerpt: The management of rights-of-way by electric and telephone utilities, highway departments, gas pipeline companies, and railroads around the world is guided and constrained by policies and regulations to protect the environment. Companies that manage rights-of-way are required to comply with these regulations, and are seeking the most cost-effective management practices that, at the same time, demonstrate stewardship of the environment. Protection of biodiversity and sustainable development are especially important as national goals in many countries, and rights-of-way managers are seeking practical ways to include public participation in their operations. * Addresses environmental issues in rights-of-way planning and management * Provides a forum for information exchange among various agencies, industries, environmental consultants, and academic organizations * Presents peer-reviewed papers to help achieve a better understanding of current environmental issues involved in rights-of-way management
Download or read book Stream Corridor Restoration written by and published by National Technical Info Svc. This book was released on 1998 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Fundamentals of Urban Runoff Management by : Earl Shaver
Download or read book Fundamentals of Urban Runoff Management written by Earl Shaver and published by . This book was released on 2007 with total page 327 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Regional Water Table (1996) and Water-Level Changes in the Mojave River, the Morongo. and the Fort Irwin Ground-Water Basins, San Bernardino County, California by : Gregory O. Mendez, Allen H. Christensen
Download or read book Regional Water Table (1996) and Water-Level Changes in the Mojave River, the Morongo. and the Fort Irwin Ground-Water Basins, San Bernardino County, California written by Gregory O. Mendez, Allen H. Christensen and published by . This book was released on 1997 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wetland Ecosystems by : William J. Mitsch
Download or read book Wetland Ecosystems written by William J. Mitsch and published by John Wiley & Sons. This book was released on 2009-04-13 with total page 309 pages. Available in PDF, EPUB and Kindle. Book excerpt: New focused text introduces readers to wetland ecosystems and systems approaches to studying wetlands With its comprehensive coverage of wetland science, management, and restoration, Mitsch and Gosselink's Wetlands has been the premier reference on wetlands for more than two decades. Now, the coverage of specific wetland ecosystem types from earlier editions of this acclaimed work has been updated, revised, and supplemented with additional content in order to create this new text focusing exclusively on wetland ecosystems. This book now complements Wetlands, Fourth Edition. Following an introduction to ecosystems in general and wetland ecosystems in particular, Wetland Ecosystems examines the major types of wetlands found throughout the world: coastal wetlands, freshwater marshes and forested swamps, and peatlands. The final chapter reviews three fundamental systems approaches to studying wetlands: mesocosms, full-scale experimental ecosystems, and mathematical modeling. This new text features: Updated descriptions of the hydrology, biogeochemistry, and biology of the main types of wetlands found in the world New content introducing general ecosystems, wetland ecosystems, whole ecosystem and mesocosm experiments with wetlands, and systems ecology and modeling A detailed description of the ecosystem services provided by wetlands A broad international scope, including many examples of wetlands located outside North America Two new coauthors offering new perspectives and additional insights into the latest ecosystem and modeling techniques An abundance of illustrations helps readers understand how different biological communities and the abiotic environment in wetland ecosystems interact and function. Tables and text boxes provide at-a-glance summaries of key information. Lastly, each chapter concludes with a list of recommended readings. This text has been designed as an introduction for students and professionals in wetland ecology and management, general ecology, environmental science, and natural resource management.