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Author : Mark B. Bain,U.S. Fish and Wildlife Service
Publisher : Unknown
Page : 54 pages
File Size : 47,7 Mb
Release : 1990
Category : Habitat (Ecology)
ISBN : UOM:39015086474890
Author : Mark B. Bain
Publisher : Unknown
Page : 44 pages
File Size : 42,9 Mb
Release : 1990
Category : Environmental impact analysis
ISBN : OCLC:22693936
While both science and impact assessment rely on technical studies, they differ in fundamental goals, approach and scope, and final products. Research and management biologists come from similar educational backgrounds, share similar career interests, and have a high regard for biological knowledge. However, varied philosophy and interests emerge due to different work settings and responsibilities. Science is defined as systematized knowledge derived from observation, study, and experimentation carried on in order to determine the nature or principles of what is being studied. The basic approach to study is the scientific method: observation, hypothesis formation, hypothesis testing, deriving results, and interpreting findings relative to principle or theories. Impact assessment is the process of documenting the important consequences of proposed actions by (1) objective analyses of current and predicted conditions and (2) subjective evaluation of the significance of predicted changes. In contrast to the scientific method, the impact assessment method uses distinctly different steps: reviewing proposed actions, documenting baseline conditions, identifying possible impacts, predicting changes, documenting significant impacts, and formulating recommendations. The definitions and methods of both science and impact assessment reflect the fundamental differences between these endeavors.
Author : Anonim
Publisher : Unknown
Page : 768 pages
File Size : 44,7 Mb
Release : 1990
Category : Electronic
ISBN : WISC:89037101656
Author : C. Frederick Bryan,D. Allen Rutherford
Publisher : Unknown
Page : 285 pages
File Size : 55,5 Mb
Release : 1993
Category : Rivers
ISBN : OCLC:30519426
Author : William J. Matthews,Edie Marsh-Matthews
Publisher : JHU Press
Page : 359 pages
File Size : 50,8 Mb
Release : 2017-05
Category : Nature
ISBN : 9781421422022
The most comprehensive synthesis of stream fish community research ever produced. Winner of the CHOICE Outstanding Academic Title of the Choice ACRL Ecologists have long struggled to understand community dynamics. In this groundbreaking book, leading fish ecologists William Matthews and Edie Marsh-Matthews apply long-term studies of stream fish communities to several enduring questions. This critical synthesis reaches to the heart of ecological theory, testing concepts against the four decades of data the authors have collected from numerous warm-water stream fish communities in the central and eastern United States. Stream Fish Community Dynamics draws together the work of a single research team to provide fresh analyses of the short- and long-term dynamics of numerous streams, each with multiple sampling sites. Conducting repeated surveys of fish communities at temporal scales from months to decades, the authors' research findings will fascinate anyone searching for a deeper understanding of community ecology. The study sites covered by this book range from small headwater creeks to large prairie rivers in Oklahoma and from Ozark and Ouachita mountain streams in Arkansas to the upland Roanoke River in Virginia. The book includes • A comparison of all global and local communities with respect to community composition at the species and family level, emergent community properties, and the relationship between those emergent properties and the environments of the study sites • Analyses of traits of individual species that are important to their distribution or success in harsh environments • A review of evidence for the importance of interactions—including competition and predation—in community dynamics of stream fishes • An assessment of disturbance effects in fish community dynamics • New analysis of the short- and long-term dynamics of variation in stream fish communities, illustrating the applicability and importance of the "loose equilibrium concept" • New analyses and comparisons of spatiotemporal variation in community dynamics and beta diversity partitioning • An overview of the effects of fish in ecosystems in the central and eastern United States The book ends with a summary chapter that places the authors' findings in broader contexts and describes how the "loose equilibrium concept"—which may be the most appropriate default assumption for dynamics of stream fishes in the changing climate of the future—applies to many kinds of stream fish communities.
Author : Mark B. Bain,Jeffrey M. Bolz
Publisher : Unknown
Page : 40 pages
File Size : 55,8 Mb
Release : 1989
Category : Environmental impact analysis
ISBN : UOM:39015086474981
Author : William J. Matthews
Publisher : Springer Science & Business Media
Page : 776 pages
File Size : 49,7 Mb
Release : 2012-12-06
Category : Science
ISBN : 9781461540663
Nearly a decade ago I began planning this book with the goal of summarizing the existing body of knowledge on ecology of freshwater fishes in a way similar to that of H. B. N. Hynes' comprehensive treatise Ecology of Running Waters for streams. The time seemed appropriate, as there had been several recent volumes that synthesized much information on a range of topics important in fish ecology, from biogeographic to local scales. For example, the "Fish Atlas" (Lee et aI. , 1980) had provided range maps and basic entry to the original literature for all freshwater fishes in North America, and in 1986 Hocutt and Wiley's Zoogeography of North American Fishes provided a detailed synthesis of virtually everything known about distributional ecology of fishes on that continent. Tim Berra (1981) had summarized in convenient map form the worldwide distribution of all freshwater fish families, and Joe Nelson's 1976 and 1984 editions of Fishes of the World had appeared. To complement these "big picture" views of fish distributions, the volume on Community and Evolutionary Ecology of North American Freshwater Fishes, edited by David Heins and myself (Matthews and Heins, 1987), had provided an opportunity for more than 30 individuals or groups to summarize their work on stream fishes (albeit mostly for warmwater systems).
Author : David S. Armstrong,Todd A. Richards,Gene W. Parker
Publisher : Unknown
Page : 84 pages
File Size : 54,8 Mb
Release : 2001
Category : Fish communities
ISBN : OSU:32435068850171
Author : Sven Jørgensen,Liu Xu,Robert Costanza
Publisher : CRC Press
Page : 376 pages
File Size : 54,8 Mb
Release : 2016-04-19
Category : Nature
ISBN : 9781439858516
Continuing in the tradition of its bestselling predecessor, the Handbook of Ecological Indicators for Assessment of Ecosystem Health, Second Edition brings together world-class editors and contributors who have been at the forefront of ecosystem health assessment research for decades, to provide a sound approach to environmental management and sust
Author : F. Richard Hauer,Gary A. Lamberti
Publisher : Academic Press
Page : 372 pages
File Size : 53,5 Mb
Release : 2017-05-15
Category : Science
ISBN : 9780128132692
Methods in Stream Ecology: Volume 2: Ecosystem Structure, Third Edition, provides a complete series of field and laboratory protocols in stream ecology that are ideal for teaching or conducting research. This new two-part edition is updated to reflect recent advances in the technology associated with ecological assessment of streams, including remote sensing. Volume two covers community interactions, ecosystem processes and ecosystem quality. With a student-friendly price, this new edition is key for all students and researchers in stream and freshwater ecology, freshwater biology, marine ecology and river ecology. This book is also supportive as a supplementary text for courses in watershed ecology/science, hydrology, fluvial geomorphology and landscape ecology. Provides a variety of exercises in each chapter Includes detailed instructions, illustrations, formulae and data sheets for in-field research for students Presents taxonomic keys to common stream invertebrates and algae Includes website with tables and a links written by leading experts in stream ecology
Author : M. Jungwirth,S. Muhar,S. Schmutz
Publisher : Springer Science & Business Media
Page : 491 pages
File Size : 47,7 Mb
Release : 2012-12-06
Category : Technology & Engineering
ISBN : 9789401141642
The assessment of the ecological integrity of running waters is a prerequisite to an understanding of the effects of human alterations. The evaluation of degradation processes provides key information on how to avoid further negative impacts. The success of future conservation, mitigation and restoration activities will rely on sound assessment methodologies and their ecological relevance and applicability. Assessment methodologies are therefore an integral part of sustainable river management. This book synthesizes and discusses state-of-the-art experiences in assessment methodologies. Including the latest knowledge on structures, processes and functions of running waters as a fundamental basis for developing adequate assessment methods, the book focuses on method development, application, and in particular on integrated assessment methods. This book is directed at scientists and managers with the aim of more effective preservation, restoration and maintenance of the ecological integrity of running water ecosystems.
Author : Anonim
Publisher : Unknown
Page : 84 pages
File Size : 45,8 Mb
Release : 2001
Category : Hydrology
ISBN : MINN:31951D02532867K
Author : Mike T. Furse,Daniel Hering,Karel Brabec,Andrea Buffagni,Leonard Sandin,Piet F.M. Verdonschot
Publisher : Springer Science & Business Media
Page : 544 pages
File Size : 52,5 Mb
Release : 2009-03-20
Category : Science
ISBN : 9781402054938
The monitoring of benthic diatoms, macrophytes, macroinvertebrates and fish will be the backbone of future water management in Europe. This book describes and compares the relevant methodologies and tools, based on a large data set covering rivers in most parts of Europe. The 36 articles presented will provide scientists and water managers with a unique insight into background and application of state-of-the-art monitoring tools and techniques.
Author : Wayne S. Davis,Thomas P. Simon
Publisher : CRC Press
Page : 434 pages
File Size : 42,8 Mb
Release : 1995-03-03
Category : Technology & Engineering
ISBN : 0873718941
Biological Assessment and Criteria presents a state-of-the-art overview of the applications of biological assessments and biocriteria for water quality management in fresh waters. The book presents case studies which illustrate how bioassessment has been used to identify and diagnose water quality problems. It also provides examples of the use of qualitative and quantitative biocriteria as regulatory tools to complement water quality criteria and standards. The first book to present the technical foundation, rationale, program and policy relevance, and legal basis for the most accurate tools used to assess freshwater natural resource and regulatory efforts, this book provides useful and timely information for water quality managers.
Author : United States. Office of the Assistant Secretary of the Army (Civil Works)
Publisher : Unknown
Page : 1694 pages
File Size : 44,7 Mb
Release : 2014
Category : Biodiversity conservation
ISBN : MINN:31951D038067607