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Effects Of Varying Detrital Nutrient Concentrations On Macroinvertebrate Abundance And Biomass
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Book Synopsis Effects of Varying Detrital Nutrient Concentrations on Macroinvertebrate Abundance and Biomass by : Jeffrey W. Nelson
Download or read book Effects of Varying Detrital Nutrient Concentrations on Macroinvertebrate Abundance and Biomass written by Jeffrey W. Nelson and published by . This book was released on 1982 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: Emergent growing shoots, which may be added by muskrats (Ondatra zibethica) during a population irruption, are considerably richer in nitrogen and phosphorus than are dead leaves which fall into the water during senescence and fragmentation. The primary hypothesis was that the nutritional quality of Typha sp. litter samples would influence response patterns by various detritivorous macroinvertebrate functional groups.Macroinvertebrate abundance and biomass was not found to depend on litter nutritional quality. No differential response to litter decompositional stage was observed according to trophic function.However, shredder and scraper macroinvertebrates seem to have adapted life history patterns to seasonal input patterns of coarse detritus.These functional groups, adapted to coarse litter inputs, exhibited strong seasonal shifts in abundance and biomass. Those invertebrates trophically adapted to fine particulate detritus or live prey showed few seasonal changes.
Book Synopsis Coastal Wetlands by : Harold H. Prince
Download or read book Coastal Wetlands written by Harold H. Prince and published by CRC Press. This book was released on 2018-05-04 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book represents the proceedings of the firstGreat Lakes Costal Wetlands Colloquium (November 5-7, 1984; East Lansing, Michigan). The theme wasNatural and Manipulated Water Levels in Great Lakes Wetlands. This material constitutes both Great Lakes wetlands and the state of understanding about them. It is intended to provide fisheries and wildlife biologists, ecologists, aquatic resource managers and planners and environmental scientists information about the coastal wetlands in regard to eight priority areas. The colloquium and publication of the proceedings were cosponsored by Sea Grant Program and Environment Canada.
Book Synopsis Invertebrates in Freshwater Wetlands of North America by : Darold P. Batzer
Download or read book Invertebrates in Freshwater Wetlands of North America written by Darold P. Batzer and published by John Wiley & Sons. This book was released on 1999-03-15 with total page 1122 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wetlands are crucial ecosystems that help filter a great number of toxicants out of the earth's waters. They must be managed and occasionally even built from scratch, including all of the flora and fauna that grows there. Invertebrates play a key role in the wetland food chain. This comprehensive resource is the first dedicated solely to the ecology and management of invertebrates.
Book Synopsis The Effects of Nutrient Concentrations on Macroinvertebrate Distributions in Georgia by : Paula Michele Pollock Brossett
Download or read book The Effects of Nutrient Concentrations on Macroinvertebrate Distributions in Georgia written by Paula Michele Pollock Brossett and published by . This book was released on 2005 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aquatic Plants for Water Treatment and Resource Recovery by : K. R. Reddy
Download or read book Aquatic Plants for Water Treatment and Resource Recovery written by K. R. Reddy and published by Magnolia Publishing (FL). This book was released on 1987 with total page 1062 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Matched Sampling for Causal Effects by : Donald B. Rubin
Download or read book Matched Sampling for Causal Effects written by Donald B. Rubin and published by Cambridge University Press. This book was released on 2006-09-04 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: Matched sampling is often used to help assess the causal effect of some exposure or intervention, typically when randomized experiments are not available or cannot be conducted. This book presents a selection of Donald B. Rubin's research articles on matched sampling, from the early 1970s, when the author was one of the major researchers involved in establishing the field, to recent contributions to this now extremely active area. The articles include fundamental theoretical studies that have become classics, important extensions, and real applications that range from breast cancer treatments to tobacco litigation to studies of criminal tendencies. They are organized into seven parts, each with an introduction by the author that provides historical and personal context and discusses the relevance of the work today. A concluding essay offers advice to investigators designing observational studies. The book provides an accessible introduction to the study of matched sampling and will be an indispensable reference for students and researchers.
Book Synopsis Nutrient Criteria Technical Guidance Manual by :
Download or read book Nutrient Criteria Technical Guidance Manual written by and published by . This book was released on 2000 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effects of Varying Nutrient Concentrations on Biological Production in Upwelling Regions by : R. C. Dugdale
Download or read book The Effects of Varying Nutrient Concentrations on Biological Production in Upwelling Regions written by R. C. Dugdale and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Waterbug Book by : John Gooderham
Download or read book The Waterbug Book written by John Gooderham and published by CSIRO PUBLISHING. This book was released on 2002 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: Freshwater invertebrates identification guide for both professionals and non-professionals. Contains a key to all the macroinvertebrate groups and photographs of live specimens.
Book Synopsis Selected Water Resources Abstracts by :
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1991 with total page 962 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Methods in Stream Ecology by : F. Richard Hauer
Download or read book Methods in Stream Ecology written by F. Richard Hauer and published by Academic Press. This book was released on 2011-04-27 with total page 894 pages. Available in PDF, EPUB and Kindle. Book excerpt: Methods in Stream Ecology, Second Edition, provides a complete series of field and laboratory protocols in stream ecology that are ideal for teaching or conducting research. This updated edition reflects recent advances in the technology associated with ecological assessment of streams, including remote sensing. In addition, the relationship between stream flow and alluviation has been added, and a new chapter on riparian zones is also included. The book features exercises in each chapter; detailed instructions, illustrations, formulae, and data sheets for in-field research for students; and taxanomic keys to common stream invertebrates and algae. With a student-friendly price, this book is key for all students and researchers in stream and freshwater ecology, freshwater biology, marine ecology, and river ecology. This text is also supportive as a supplementary text for courses in watershed ecology/science, hydrology, fluvial geomorphology, and landscape ecology. Exercises in each chapter Detailed instructions, illustrations, formulae, and data sheets for in-field research for students Taxanomic keys to common stream invertebrates and algae Link from Chapter 22: FISH COMMUNITY COMPOSITION to an interactive program for assessing and modeling fish numbers
Download or read book Stream Ecology written by J. David Allan and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: Running waters are enormously diverse, ranging from torrential mountain brooks, to large lowland rivers, to great river systems whose basins occupy subcontinents. While this diversity makes river ecosystems seem overwhelmingly complex, a central theme of this volume is that the processes acting in running waters are general, although the settings are often unique. The past two decades have seen major advances in our knowledge of the ecology of streams and rivers. New paradigms have emerged, such as the river continuum and nutrient spiraling. Community ecologists have made impressive advances in documenting the occurrence of species interactions. The importance of physical processes in rivers has attracted increased attention, particularly the areas of hydrology and geomorphology, and the inter-relationships between physical and biological factors have become better understood. And as is true for every area of ecology during the closing years of the twentieth century it has become apparent that the study of streams and rivers cannot be carried out by excluding the role of human activities, nor can we ignore the urgency of the need for conservation. These developments are brought together in Stream Ecology: Structure and function of running waters, designed to serve as a text for advanced undergraduate and graduate students, and as a reference book for specialists in stream ecology and related fields.
Book Synopsis Impact of Habitat and Water Quality on the Benthic Macroinvertebrate Community in a Multi-stressed Urban Stream by :
Download or read book Impact of Habitat and Water Quality on the Benthic Macroinvertebrate Community in a Multi-stressed Urban Stream written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Macroinvertebrates in urban streams in Ohio are potentially compromised by habitat loss, by the annual peak discharge event, and by degraded water quality. The Mill Creek in Southwest Ohio is a significantly channelized river that collects storm water runoff, wastewater treatment plant effluent, permitted dischargers, sanitary sewers, and combined sewers. Channelization areas have had 12-40 years to re-grow. Most of the riparian zone, although narrow, is lined with trees that shade the channel. The result is eutrophication by nutrient loading, some toxic chemical spills, and habitat simplification. This study was designed to show the relative impacts of habitat and water quality on the macroinvertebrate community in a multi-stressed urban stream. Possible limiting factors were quantified and evaluated along the main-stem of the Mill Creek and related to the macroinvertebrates five times over the summer of 2000. The habitat was characterized using the Ohio EPA's QHEI, the estimated peak flow, and pebble counts. Water quality was quantified by the nutrient concentrations found. Both habitat and water parameters were compared to macroinvertebrate density, taxa richness, and the calculated metric, invertebrate community index. Data was collected for base flow in the summer and autumn of 2000-2001. The QHEI and the ICI were linearly related over transects done in four non-consecutive years within a decade. Multiple regression showed several habitat variables correlated to taxa richness. ANOVA identified average species richness was significantly impacted by both water quality and habitat variables. A non-parametric method (detrended canonical correspondence analysis) separated the determinants for invertebrate communities along a nutrient (19.1% of variance) and habitat axis (11.1% of variance).
Book Synopsis Ecotoxicology by : Michael C. Newman
Download or read book Ecotoxicology written by Michael C. Newman and published by CRC Press. This book was released on 2007-12-13 with total page 882 pages. Available in PDF, EPUB and Kindle. Book excerpt: A unique presentation that unifies the field, this book brings together concepts and information about contaminant effects at all levels of the biological hierarchy. Beginning at the biomolecular level, this book builds progressively toward a discussion of effects to the global biosphere. Emphasizing ecological components and fundamental paradigms, the authors strike a balance between the presentation of details relevant at each level and the integration of phenomena and processes among levels. A milestone in the field, the book is suitable for graduate courses, as well as a reference for professionals in the field.
Book Synopsis Evaluating Water Quality to Prevent Future Disasters by :
Download or read book Evaluating Water Quality to Prevent Future Disasters written by and published by Academic Press. This book was released on 2019-05-24 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: Evaluating Water Quality to Prevent Future Disasters, volume 11 in the Separation Science and Technology series, covers various separation methods that can be used to avoid water catastrophes arising from climate change, arsenic, lead, algal bloom, fracking, microplastics, flooding, glyphosphates, triazines, GenX, and oil contamination. This book provides a valuable resource that will help the reader solve their potential water contamination problems and help them develop their own new approaches to monitor water contamination. Highlights reasons for potential water catastrophes Provides separation methods for monitoring water contamination Encourages development of new methods for monitoring water contamination
Download or read book Federal Register written by and published by . This book was released on 2012-12 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Ecology and Management of Wetlands by : Donal D. Hook
Download or read book The Ecology and Management of Wetlands written by Donal D. Hook and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 602 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the proceedings of a symposium held at the College of Charleston, Charleston, South Carolina, USA, 16-20 June 1986. The seed for this symposium arose from a group of physiologists , soU scientists and biochemists that met in Leningrad, USSR in July 1975 at the 12th Botanical Conference in a Session organized by Professor B.B. Vartepetian. This group and others later conspired to contribute to a book entitled Plant Life in Anaerobic Environments (eds. D. D. Hook and R. M. M. Crawford, Ann Arbor Science, 1978). Several contributors to the book suggested in 1983 that a broad-scoped symposium on wetlands would be useful (a) in facilitating communication among the diverse research groups involved in wetlands research (b) in bringing researchers and managers together and (c) in presenting a com prehensive and balanced coverage on the status of ecology ami management of wetlands from a global perspective. With this encouragement, the senior editor organized a Plan ning Committee that encompassed expertise from many disciplines of wetland scientists and managers. This Committee, with input from their colleagues around the world, organized a symposium that addressed almost every aspect of wetland ecology and management.
