Changes in Fluvial Habitat Conditions Across a Disturbance Continuum

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Publisher :
ISBN 13 :
Total Pages : 99 pages
Book Rating : 4.:/5 (876 download)

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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

Land-use Changes and the Physical Habitat of Streams

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Publisher : Geological Survey (USGS)
ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Land-use Changes and the Physical Habitat of Streams by : Robert B. Jacobson

Download or read book Land-use Changes and the Physical Habitat of Streams written by Robert B. Jacobson and published by Geological Survey (USGS). This book was released on 2001 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Treatise on Geomorphology

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Publisher : Academic Press
ISBN 13 : 0080885225
Total Pages : 6392 pages
Book Rating : 4.0/5 (88 download)

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Book Synopsis Treatise on Geomorphology by :

Download or read book Treatise on Geomorphology written by and published by Academic Press. This book was released on 2013-02-27 with total page 6392 pages. Available in PDF, EPUB and Kindle. Book excerpt: The changing focus and approach of geomorphic research suggests that the time is opportune for a summary of the state of discipline. The number of peer-reviewed papers published in geomorphic journals has grown steadily for more than two decades and, more importantly, the diversity of authors with respect to geographic location and disciplinary background (geography, geology, ecology, civil engineering, computer science, geographic information science, and others) has expanded dramatically. As more good minds are drawn to geomorphology, and the breadth of the peer-reviewed literature grows, an effective summary of contemporary geomorphic knowledge becomes increasingly difficult. The fourteen volumes of this Treatise on Geomorphology will provide an important reference for users from undergraduate students looking for term paper topics, to graduate students starting a literature review for their thesis work, and professionals seeking a concise summary of a particular topic. Information on the historical development of diverse topics within geomorphology provides context for ongoing research; discussion of research strategies, equipment, and field methods, laboratory experiments, and numerical simulations reflect the multiple approaches to understanding Earth’s surfaces; and summaries of outstanding research questions highlight future challenges and suggest productive new avenues for research. Our future ability to adapt to geomorphic changes in the critical zone very much hinges upon how well landform scientists comprehend the dynamics of Earth’s diverse surfaces. This Treatise on Geomorphology provides a useful synthesis of the state of the discipline, as well as highlighting productive research directions, that Educators and students/researchers will find useful. Geomorphology has advanced greatly in the last 10 years to become a very interdisciplinary field. Undergraduate students looking for term paper topics, to graduate students starting a literature review for their thesis work, and professionals seeking a concise summary of a particular topic will find the answers they need in this broad reference work which has been designed and written to accommodate their diverse backgrounds and levels of understanding Editor-in-Chief, Prof. J. F. Shroder of the University of Nebraska at Omaha, is past president of the QG&G section of the Geological Society of America and present Trustee of the GSA Foundation, while being well respected in the geomorphology research community and having won numerous awards in the field. A host of noted international geomorphologists have contributed state-of-the-art chapters to the work. Readers can be guaranteed that every chapter in this extensive work has been critically reviewed for consistency and accuracy by the World expert Volume Editors and by the Editor-in-Chief himself No other reference work exists in the area of Geomorphology that offers the breadth and depth of information contained in this 14-volume masterpiece. From the foundations and history of geomorphology through to geomorphological innovations and computer modelling, and the past and future states of landform science, no "stone" has been left unturned!

River Dynamics

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Publisher : Cambridge University Press
ISBN 13 : 1108173780
Total Pages : 544 pages
Book Rating : 4.1/5 (81 download)

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Book Synopsis River Dynamics by : Bruce L. Rhoads

Download or read book River Dynamics written by Bruce L. Rhoads and published by Cambridge University Press. This book was released on 2020-04-29 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rivers are important agents of change that shape the Earth's surface and evolve through time in response to fluctuations in climate and other environmental conditions. They are fundamental in landscape development, and essential for water supply, irrigation, and transportation. This book provides a comprehensive overview of the geomorphological processes that shape rivers and that produce change in the form of rivers. It explores how the dynamics of rivers are being affected by anthropogenic change, including climate change, dam construction, and modification of rivers for flood control and land drainage. It discusses how concern about environmental degradation of rivers has led to the emergence of management strategies to restore and naturalize these systems, and how river management techniques work best when coordinated with the natural dynamics of rivers. This textbook provides an excellent resource for students, researchers, and professionals in fluvial geomorphology, hydrology, river science, and environmental policy.

Ecological Scale

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Publisher : Columbia University Press
ISBN 13 : 9780231105033
Total Pages : 638 pages
Book Rating : 4.1/5 (5 download)

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Book Synopsis Ecological Scale by : David Lawrence Peterson

Download or read book Ecological Scale written by David Lawrence Peterson and published by Columbia University Press. This book was released on 1998 with total page 638 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ecological Scale provides invaluable perspectives on the application of the concepts of measurement, analysis, and inference in both theoretical and applied ecology, ultimately providing a broad-based understanding for resource managers and other ecological professionals.

Riverine Ecosystem Management

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Publisher : Springer
ISBN 13 : 3319732501
Total Pages : 562 pages
Book Rating : 4.3/5 (197 download)

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Book Synopsis Riverine Ecosystem Management by : Stefan Schmutz

Download or read book Riverine Ecosystem Management written by Stefan Schmutz and published by Springer. This book was released on 2018-05-08 with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access book surveys the frontier of scientific river research and provides examples to guide management towards a sustainable future of riverine ecosystems. Principal structures and functions of the biogeosphere of rivers are explained; key threats are identified, and effective solutions for restoration and mitigation are provided. Rivers are among the most threatened ecosystems of the world. They increasingly suffer from pollution, water abstraction, river channelisation and damming. Fundamental knowledge of ecosystem structure and function is necessary to understand how human acitivities interfere with natural processes and which interventions are feasible to rectify this. Modern water legislation strives for sustainable water resource management and protection of important habitats and species. However, decision makers would benefit from more profound understanding of ecosystem degradation processes and of innovative methodologies and tools for efficient mitigation and restoration. The book provides best-practice examples of sustainable river management from on-site studies, European-wide analyses and case studies from other parts of the world. This book will be of interest to researchers in the field of aquatic ecology, river system functioning, conservation and restoration, to postgraduate students, to institutions involved in water management, and to water related industries.

Riparian Areas

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Publisher : National Academies Press
ISBN 13 : 0309082951
Total Pages : 449 pages
Book Rating : 4.3/5 (9 download)

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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.

Aquatic Habitats in Sustainable Urban Water Management

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Publisher : CRC Press
ISBN 13 : 1498718051
Total Pages : 246 pages
Book Rating : 4.4/5 (987 download)

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Book Synopsis Aquatic Habitats in Sustainable Urban Water Management by : Iwona Wagner

Download or read book Aquatic Habitats in Sustainable Urban Water Management written by Iwona Wagner and published by CRC Press. This book was released on 2014-04-21 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aquatic habitats supply a wide range of vital ecosystem benefits to cities and their inhabitants. The unsustainable use of aquatic habitats, including inadequate urban water management itself, however, tends to alter and reduce their biodiversity and therewith diminish their ability to provide clean water, protect us from waterborne diseases and po

Gravel Bed Rivers

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Publisher : John Wiley & Sons
ISBN 13 : 1119954258
Total Pages : 605 pages
Book Rating : 4.1/5 (199 download)

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Book Synopsis Gravel Bed Rivers by : Michael Church

Download or read book Gravel Bed Rivers written by Michael Church and published by John Wiley & Sons. This book was released on 2012-02-10 with total page 605 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gravel-Bed Rivers: Processes, Tools, Environments presents a definitive review of current knowledge of gravel-bed rivers, derived from the 7th International Gravel-bed Rivers Workshop, the 5-yearly meeting of the world’s leading authorities in the field. Each chapter in the book has been specifically commissioned to represent areas in which recent progress has been made in the field. The topics covered also represent a coherent progression through the principal areas of the subject (hydraulics; sediment transport; river morphology; tools and methods; applications of science). Definitive review of the current knowledge of gravel-bed rivers Coverage of both fundamental and applied topics Edited by leading academics with contributions from key researchers Thoroughly edited for quality and consistency to provide coherent and logical progression through the principal areas of the subject.

Flooding and Management of Large Fluvial Lowlands

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Publisher : Cambridge University Press
ISBN 13 : 0521768608
Total Pages : 349 pages
Book Rating : 4.5/5 (217 download)

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Book Synopsis Flooding and Management of Large Fluvial Lowlands by : Paul F. Hudson

Download or read book Flooding and Management of Large Fluvial Lowlands written by Paul F. Hudson and published by Cambridge University Press. This book was released on 2021-11-25 with total page 349 pages. Available in PDF, EPUB and Kindle. Book excerpt: Examines interrelations between flood management, flooding, and environmental change, for advanced students, researchers, and practitioners.

Microbial Responses to Environmental Changes

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Publisher : Frontiers Media SA
ISBN 13 : 2889197239
Total Pages : 263 pages
Book Rating : 4.8/5 (891 download)

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Book Synopsis Microbial Responses to Environmental Changes by : Jürg B. Logue

Download or read book Microbial Responses to Environmental Changes written by Jürg B. Logue and published by Frontiers Media SA. This book was released on 2016-01-20 with total page 263 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in next generation sequencing technologies, omics, and bioinformatics are revealing a tremendous and unsuspected diversity of microbes, both at a compositional and functional level. Moreover, the expansion of ecological concepts into microbial ecology has greatly advanced our comprehension of the role microbes play in the functioning of ecosystems across a wide range of biomes. Super-imposed on this new information about microbes, their functions and how they are organized, environmental gradients are changing rapidly, largely driven by direct and indirect human activities. In the context of global change, understanding the mechanisms that shape microbial communities is pivotal to predict microbial responses to novel selective forces and their implications at the local as well as global scale. One of the main features of microbial communities is their ability to react to changes in the environment. Thus, many studies have reported changes in the performance and composition of communities along environmental gradients. However, the mechanisms underlying these responses remain unclear. It is assumed that the response of microbes to changes in the environment is mediated by a complex combination of shifts in the physiological properties, single-cell activities, or composition of communities: it may occur by means of physiological adjustments of the taxa present in a community or selecting towards more tolerant/better adapted phylotypes. Knowing whether certain factors trigger one, many, or all mechanisms would greatly increase confidence in predictions of future microbial composition and processes. This Research Topic brings together studies that applied the latest molecular techniques for studying microbial composition and functioning and integrated ecological, biogeochemical and/or modeling approaches to provide a comprehensive and mechanistic perspective of the responses of micro-organisms to environmental changes. This Research Topic presents new findings on environmental parameters influencing microbial communities, the type and magnitude of response and differences in the response among microbial groups, and which collectively deepen our current understanding and knowledge of the underlying mechanisms of microbial structural and functional responses to environmental changes and gradients in both aquatic and terrestrial ecosystems. The body of work has, furthermore, identified many challenges and questions that yet remain to be addressed and new perspectives to follow up on.

Restoration of Aquatic Ecosystems

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Publisher : National Academies Press
ISBN 13 : 9780309045346
Total Pages : 580 pages
Book Rating : 4.0/5 (453 download)

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Book Synopsis Restoration of Aquatic Ecosystems by : National Research Council

Download or read book Restoration of Aquatic Ecosystems written by National Research Council and published by National Academies Press. This book was released on 1992-01-01 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Stream Corridor Restoration

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Publisher : National Technical Info Svc
ISBN 13 :
Total Pages : 648 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Stream Corridor Restoration by :

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.

Effects of urban development on stream ecosystems in nine metropolitan study areas across the United States

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Publisher :
ISBN 13 :
Total Pages : 138 pages
Book Rating : 4.:/5 (834 download)

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Book Synopsis Effects of urban development on stream ecosystems in nine metropolitan study areas across the United States by : James F. Coles

Download or read book Effects of urban development on stream ecosystems in nine metropolitan study areas across the United States written by James F. Coles and published by . This book was released on 2012 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Riverine Ecosystem Synthesis

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Publisher : Elsevier
ISBN 13 : 0080888003
Total Pages : 233 pages
Book Rating : 4.0/5 (88 download)

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Book Synopsis The Riverine Ecosystem Synthesis by : James H. Thorp

Download or read book The Riverine Ecosystem Synthesis written by James H. Thorp and published by Elsevier. This book was released on 2010-07-27 with total page 233 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the most comprehensive model yet for describing the structure and functioning of running freshwater ecosystems. Riverine Ecosystems Synthesis (RES) is a result of combining several theories published in recent decades, dealing with aquatic and terrestrial systems. New analyses are fused with a variety of new perspectives on how river network ecosystems are structured and function, and how they change along longitudinal, lateral, and temporal dimensions. Among these novel perspectives is a dramatically new view of the role of hydrogeomorphic forces in forming functional process zones from headwaters to the mouths of great rivers. Designed as a useful tool for aquatic scientists worldwide whether they work on small streams or great rivers and in forested or semi-arid regions, this book will provide a means for scientists to understand the fundamental and applied aspects of rivers in general and includes a practical guide and protocols for analyzing individual rivers. Specific examples of rivers in at least four continents (Africa, Australia, Europe and North America) serve to illustrate the power and utility of the RES concept. Develops the classic, seminal article in River Research and Applications, "A Model of Biocomplexity in River Networks Across Space and Time" which introduced the RES concept for the first time A guide to the practical analysis of individual rivers, extending its use from pristine ecosystems to modern, human-modified rivers An essential aid both to the study fundamental and applied aspects of rivers, such as rehabilitation, management, monitoring, assessment, and flow manipulation of networks

River Ecology and Management

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Publisher : Springer Science & Business Media
ISBN 13 : 9780387952468
Total Pages : 734 pages
Book Rating : 4.9/5 (524 download)

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Book Synopsis River Ecology and Management by : Robert Naiman

Download or read book River Ecology and Management written by Robert Naiman and published by Springer Science & Business Media. This book was released on 2001-02-16 with total page 734 pages. Available in PDF, EPUB and Kindle. Book excerpt: As the vast expanses of natural forests and the great populations of salmonids are harvested to support a rapidly expanding human population, the need to understand streams as ecological systems and to manage them effectively becomes increasingly urgent. The unfortunate legacy of such natural resource exploitation is well documented. For several decades the Pacific coastal ecoregion of North America has served as a natural laboratory for scientific and managerial advancements in stream ecology, and much has been learned about how to better integrate ecological processes and characteristics with a human-dominated environment. These in sightful but hard-learned ecological and social lessons are the subject of this book. Integrating land and rivers as interactive components of ecosystems and watersheds has provided the ecological sciences with impor tant theoretical foundations. Even though scientific disciplines have begun to integrate land-based processes with streams and rivers, the institutions and processes charged with managing these systems have not done so successfully. As a result, many of the watersheds of the Pacific coastal ecoregion no longer support natural settings for environmental processes or the valuable natural resources those processes create. An important role for scientists, educators, and decision makers is to make the integration between ecology and con sumptive uses more widely understood, as well as useful for effective management.

Ecosystem Management

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Publisher : Springer Science & Business Media
ISBN 13 : 9780387946672
Total Pages : 482 pages
Book Rating : 4.9/5 (466 download)

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Book Synopsis Ecosystem Management by : Fred B. Samson

Download or read book Ecosystem Management written by Fred B. Samson and published by Springer Science & Business Media. This book was released on 1996-05-29 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt: processes; (3) ensure the integrity of ecosys- The theory and practice of ecosystem manage- tems; and (4) advocate the sustainable use of ment is pivotal to the debate over how to sustain the health and productivity of our envi- natural resources. In this book, each of these ronment. In particular, the role of ecosystems four topics is addressed by a set of eight key in preserving biological diversity, their contri- journal articles. The first article in each section bution to economic growth, and their influence provides an overview, followed by case histo- ries and a concluding paper which is a commen- on human well-being is highly controversial tary on the difficulty of the issue or assesses its (Lubchenco et al. 1991). Traditional resource management does not protect natural values future direction. An article by Risser provides a (Sax 1993) or provide for the sustainable pro- closing synthesis to this collection. duction of goods and services (Barnes 1993). The authors of the articles in Part 1-Under- Yet a number of researchers and managers stand Diversity - speak to the current problems further question the ability of science to pro- and directions in the conservation of biological vide sufficiently powerful tools for the under- diversity. Tilman and Downing argue that standing and implementation of ecosystem preservation of native biodiversity is essential management (Clark 1996).