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Benthic Macroinvertebrate Assemblages And Their Relations With Environmental Variables In The Sacramento And San Joaquin River Drainages California 1993 1997
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Book Synopsis Benthic Macroinvertebrate Assemblages and Their Relations with Environmental Variables in the Sacramento and San Joaquin River Drainages, California, 1993-1997 by : Larry R Brown
Download or read book Benthic Macroinvertebrate Assemblages and Their Relations with Environmental Variables in the Sacramento and San Joaquin River Drainages, California, 1993-1997 written by Larry R Brown and published by . This book was released on 2000 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Benthic Macroinvertebrate Assemblages and Their Relations with Environmental Variables in the Sacramento and San Joaquin River Drainages, California, 1993-1997 by : Larry R. Brown
Download or read book Benthic Macroinvertebrate Assemblages and Their Relations with Environmental Variables in the Sacramento and San Joaquin River Drainages, California, 1993-1997 written by Larry R. Brown and published by . This book was released on 2000 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Benthic Macroinvertebrate Assemblages and Their Relations with Environmental Variables in the Sacramento and San Joaquin River Drainages, California, 1993-1997 by : Larry R. Brown
Download or read book Benthic Macroinvertebrate Assemblages and Their Relations with Environmental Variables in the Sacramento and San Joaquin River Drainages, California, 1993-1997 written by Larry R. Brown and published by . This book was released on 2000 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis U.S. Geological Survey Circular by :
Download or read book U.S. Geological Survey Circular written by and published by . This book was released on 1984 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Water-resources Investigations Report by :
Download or read book Water-resources Investigations Report written by and published by . This book was released on 2000 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Periphyton and macroinvertebrate communities at five sites in the San Joaquin River basin, California, during June and September, 2001 by :
Download or read book Periphyton and macroinvertebrate communities at five sites in the San Joaquin River basin, California, during June and September, 2001 written by and published by DIANE Publishing. This book was released on with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Benthic Macroinvertebrate Assemblages and Their Relations with Environmental Variables in the Sacramento and San Joaquin River Drainages, Etc., U.S. Geological Survey, Water-Resources Investigations Report 00-4125, 2000 by :
Download or read book Benthic Macroinvertebrate Assemblages and Their Relations with Environmental Variables in the Sacramento and San Joaquin River Drainages, Etc., U.S. Geological Survey, Water-Resources Investigations Report 00-4125, 2000 written by and published by . This book was released on 2000* with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Water Quality in the Sacramento River Basin, California, 1994-98 by : Joseph L. Domagalski
Download or read book Water Quality in the Sacramento River Basin, California, 1994-98 written by Joseph L. Domagalski and published by . This book was released on 2000 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Algal Biology: A Commemoration of the Work of Rex Lowe by : R. Jan Stevenson
Download or read book Advances in Algal Biology: A Commemoration of the Work of Rex Lowe written by R. Jan Stevenson and published by Springer Science & Business Media. This book was released on 2007-12-03 with total page 249 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Algal Biology: A Commemoration of the Work of Rex Lowe was written by students and colleagues of Rex Lowe to acknowledge his esteemed career that included exceptional contributions to research and teaching. Papers in the book cover a variety of topics in algal ecology, focusing on benthic algal ecology in freshwater ecosystems. The studies provide an unusual combination of small-scale experiments and large-scale regional surveys that bridge both basic and applied ecology. Ecologists, limnologists, phycologists, and environmental scientists will find valuable contributions to the development and application of algal research.
Book Synopsis Bibliography of Agriculture with Subject Index by :
Download or read book Bibliography of Agriculture with Subject Index written by and published by . This book was released on 2000 with total page 770 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monitoring Ecological Condition in the Western United States by : Shabeg S. Sandhu
Download or read book Monitoring Ecological Condition in the Western United States written by Shabeg S. Sandhu and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt: The monitoring of point sources by the Environmental Protection Agency (EPA), the states, and the tribes has documented and helped reduce the levels of chemical stressors affecting our ecosystems. With the controls on point sources reducing chemical contamination, new environmental challenges associated with nonpoint sources have emerged. To adequately deal with these new problems, EPA's Office of Research and Development recognized the need to develop an overall under standing of the condition of our ecological resources, the trends in their condition, and the stressors affecting these systems on a broad scale. Toward this end, the En vironmental Monitoring and Assessment Program (EMAP) was established by EPA and has been strategically developing the scientific tools and techniques to monitor and assess the status and trends of aquatic ecosystems. EMAP scientists have developed new indicators and probability-based de signs to fill data gaps in the development of regional-scale assessments of our aquatic resources, as required in the Clean Water Act. We have a scientifically de fensible approach that allows: 100 percent coverage of the aquatic resources within broad geographic areas and the formulation of reference 'conditions for es tablishing the health of these resources. The use of these indicators and designs were successfully demonstrated in the landscapes, streams, and estuaries of the mid-Atlantic states as part of the Mid-Atlantic Integrated Assessment (MAlA).
Book Synopsis Canadian Journal of Fisheries and Aquatic Sciences by :
Download or read book Canadian Journal of Fisheries and Aquatic Sciences written by and published by . This book was released on 1998 with total page 1012 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Distribution and Abundance of Benthic Organisms in the Sacramento River, California by : Rodger F. Ferreira
Download or read book Distribution and Abundance of Benthic Organisms in the Sacramento River, California written by Rodger F. Ferreira and published by . This book was released on 1977 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Recommended Protocols for Sampling and Analyzing Subtidal Benthic Macroinvertebrate Assemblages in Puget Sound by : Puget Sound Water Quality Action Team
Download or read book Recommended Protocols for Sampling and Analyzing Subtidal Benthic Macroinvertebrate Assemblages in Puget Sound written by Puget Sound Water Quality Action Team and published by . This book was released on 1987 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Relationship of Benthic Macroinvertebrate Assemblages to Water Surface Flow Types in British Lowland Rivers by : Graham Hill
Download or read book The Relationship of Benthic Macroinvertebrate Assemblages to Water Surface Flow Types in British Lowland Rivers written by Graham Hill and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Comparison of Benthic Macroinvertebrate Assemblages Between Perennial and Intermittent Headwater Streams of the Mattole River in Northern California, USA by : Mason S. London
Download or read book A Comparison of Benthic Macroinvertebrate Assemblages Between Perennial and Intermittent Headwater Streams of the Mattole River in Northern California, USA written by Mason S. London and published by . This book was released on 2017 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: Intermittent streams are common throughout the world and comprise 60% or more of total river lengths in the conterminous United States. Despite their prevalence, intermittent streams are understudied, particularly first-order headwater streams, which are vital for maintaining the function, health and biotic diversity of river networks. In June 2016, I sampled five intermittent and five perennial headwater streams in the Mattole River watershed in northwestern coastal California, USA, to compare benthic macroinvertebrate (BMI) assemblages between intermittent and perennial streams. BMI samples were collected using a 500μm mesh D-net at eight randomly located riffles along a 150-m reach, and then composited, on each of the 10 streams. Chemical (e.g. pH, dissolved oxygen, temperature, and flow) and physical (e.g. bed substrate composition, bank-full width, and slope) data were measured at each stream reach. BMI samples were identified using Standard Taxonomic Effort (STE). Major difference in assemblages among stream type were not detected except for a few individual taxa, families, and orders. Observed differences likely resulting from taxonomic differences in life history timing. The proportion of shredders was detectably lower in intermittent streams. Further studies with a temporal factor are needed to validate these findings.
Book Synopsis Benthic Macroinvertebrate Assemblages Across the Non-perennial Stream System of the Konza Prairie, Kansas by : Alice Belskis
Download or read book Benthic Macroinvertebrate Assemblages Across the Non-perennial Stream System of the Konza Prairie, Kansas written by Alice Belskis and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Non-perennial streams, those that do not continuously flow, make up 51-60% of the earth's streams by length. Yet, they are understudied relative to their perennial, or continuously flowing, counterparts. We sought to determine how benthic macroinvertebrate (BMIs) community structure and beta diversity patterns were related to abiotic factors in non-perennial streams, as they contribute to fauna in downstream perennial waterways. We sampled 38 sites across a non-perennial prairie stream network for BMIs and measured hydrological, biogeochemical, and other environmental variables. We identified the BMIs using DNA metabarcoding. We calculated local contributions to beta diversity (LCBD) to identify ecologically unique sites and calculated species contributions to beta diversity (SCBD) to determine taxa with the strongest contributions to beta diversity patterns across the stream network. Our results show that while LCBD was not influenced by abiotic factors, the richness and replacement components of LCBD were strongly influenced by a site's distance to an upstream groundwater seep. The top contributor to SCBD was Stenonema femoratum, followed by 7 genera of Chironomidae, Perlesta cinctipes, and Faxonius virilis. Importantly, our DNA metabarcoding approach allowed us to identify Chironomidae to the genus level, revealing their importance in SCBD. When considering BMI community structure, an NMDS (Non-Metric Multidimensional Scaling) analysis revealed that the percent flowing water at each site was driving the differences in species across the sites. Here we show that proximity to groundwater sources is key to BMI beta diversity patterns in non-perennial stream networks, and that Chironomidae taxa are important in producing these patterns. This study allows us to fill in some of the knowledge gaps surrounding non-perennial stream beta diversity patterns and provides us with an understanding of the factors that potentially influence these interactions.
