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Author: M. Jungwirth Publisher: Springer Science & Business Media ISBN: 9401141649 Category : Technology & Engineering Languages : en Pages : 491
Book Description
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: M. Jungwirth Publisher: Springer Science & Business Media ISBN: 9401141649 Category : Technology & Engineering Languages : en Pages : 491
Book Description
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: David M. Rosenberg Publisher: Springer ISBN: Category : Nature Languages : en Pages : 512
Book Description
North American and European governments have adopted national programs for environmental monitoring and assessment that include the use of aquatic biota. These programs will use a variety of indicators of environmental health; benthic macroinvertebrates are one of the most promising of them. The chapters in this book deal with the many different approaches available for using benthic macroinvertebrates in biological monitoring programs.
Author: Stefan Schmutz Publisher: Springer ISBN: 3319732501 Category : Science Languages : en Pages : 562
Book Description
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.
Author: U.S. Department of the Interior Publisher: CreateSpace ISBN: 9781497418943 Category : Reference Languages : en Pages : 58
Book Description
Biomonitoring programs based on benthic macroinvertebrates are well-established worldwide. Their value, however, depends on the appropriateness of the analytical techniques used. All United States State, benthic macroinvertebrate biomonitoring programs were surveyed regarding the purposes of their programs, quality-assurance and quality-control procedures used, habitat and water-chemistry data collected, treatment of macroinvertebrate data prior to analysis, statistical methods used, and data-storage considerations.
Author: Daniel Hering Publisher: Springer Science & Business Media ISBN: 9400709935 Category : Science Languages : en Pages : 381
Book Description
This book provides the focal point of the European Water Framework Directive. offering insight into principles and methodologies of river assessment, covering the whole range from the definition of river typologies to specific problems such as the most appropriate taxonomic resolution and software applications. The text focuses on benthic macroinvertebrates, the taxonomic group most frequently used in bioassessment.
Author: Wayne S. Davis Publisher: CRC Press ISBN: 9780873718943 Category : Technology & Engineering Languages : en Pages : 434
Book Description
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: Ely Kosnicki Publisher: ISBN: Category : Benthic animals Languages : en Pages : 114
Book Description
The increasing popularity of benthic macroinvertebrate use for biological monitoring and assessment of lotic systems calls for new applications for regions with a lesser known fauna and an overall better understanding of how community measures are influenced by seasonal variability. Two separate studies are presented to address aspects of biological monitoring that are seldom studied. The first study focused on evaluation of Grass Riparian Filter Strip effectiveness in north central Missouri. Streams within conservation areas and unprotected reaches were sampled to identify metrics that could distinguish between undesired and best attainable conditions. These metrics were used to construct two assessment tools, a Benthic Index of Biotic Integrity (B-IBI) and a novel technique we call a Least Desired Index (LDI). LDI works in a reciprocal fashion to B-IBI in that the lowest scoring criteria of the metrics are set by anti-reference stream conditions, or conditions that represent an undesirable quality. B-IBIs were developed from the conservation stream samples and the LDI was developed from the unprotected stream reaches. Two test sites with established GRFS were sampled and assessed with the B-IBI and the LDI. B-IBI determined that the GRFS sites showed moderate improvements where the LDI showed that the GRFS sites made no improvements. The LDI was considered to be a more realistic assessment considering that the GRFS at the test sites had only been established for 2 years and the reference streams used to construct the B-IBI were most likely impaired. The second study utilized a state designated reference stream as a case study for temporally profiling the community structure. Samples of benthic macroinvertebrates and water quality were taken approximately monthly to fulfill four objectives. The first objective was to determine if a temporal profile of the community might better reveal members of the community that are rare and transient. The second objective was to consider the maturity of each individual in weighting abundances and how these might affect the interpretation of the community structure. The third objective examined annual variability of 120 metrics. Multiple regressions with physico-chemico-temporal variables were created to see if these metrics could be predicted for samples taken during the following year. The last objective was to construct a River Invertebrate Prediction and Classification System (RIVPACS) model that classified seasons based on the biota and to use this model to predict and compare the community composition of samples taken during the following year. Rare and two types of transient taxa were recognized. Rare taxa were considered to be residents of the community, but infrequently encountered. Transient type I taxa were considered adventitious, and transient type II were short lived. Maturity weighted abundances showed significant changes in community measures and were found to be useful in aspects of other analyses. Few metrics exhibited low variation over the annual period, and fewer were predictable, indicating that seasonal variation can have a significant impact on measurements used in biological monitoring. The RIVPACS model biologically classified three seasons. Overall, the model moderately predicted community structure, also highlighting that macroinvertebrate communities are difficult to consistently quantify. Lotic habitats are important resources but are dynamic systems exhibiting challenging perspectives with regard to monitoring and quality assessment.
Author: Thibault Datry Publisher: Academic Press ISBN: 0128039043 Category : Science Languages : en Pages : 624
Book Description
Intermittent Rivers and Ephemeral Streams: Ecology and Management takes an internationally broad approach, seeking to compare and contrast findings across multiple continents, climates, flow regimes, and land uses to provide a complete and integrated perspective on the ecology of these ecosystems. Coupled with this, users will find a discussion of management approaches applicable in different regions that are illustrated with relevant case studies. In a readable and technically accurate style, the book utilizes logically framed chapters authored by experts in the field, allowing managers and policymakers to readily grasp ecological concepts and their application to specific situations. - Provides up-to-date reviews of research findings and management strategies using international examples - Explores themes and parallels across diverse sub-disciplines in ecology and water resource management utilizing a multidisciplinary and integrative approach - Reveals the relevance of this scientific understanding to managers and policymakers
Author: M. Jungwirth
Author: M. Jungwirth
Author: David M. Rosenberg
Author: Rossana Sallenave
Author: Jocelyn F. Korsch
Author: Stefan Schmutz
Author: U.S. Department of the Interior
Author: Daniel Hering
Author: Wayne S. Davis
Author: Ely Kosnicki
Author: Thibault Datry