Author: David Harbet KentPublisher:
ISBN:
Category : Benthos
Languages : en
Pages : 150
Book Description
The Effects of a Deep-storage Reservoir on the Benthic Macroinvertebrate Community of the Guadalupe River, Texas
Author: David Harbet KentPublisher:
ISBN:
Category : Benthos
Languages : en
Pages : 150
Book Description
The Texas Journal of Science
Author: Publisher:
ISBN:
Category : Science
Languages : en
Pages : 722
Book Description
Includes the proceedings and transactions of the Academy.
The Ecology of Regulated Streams
Author: James WardPublisher: Springer Science & Business Media
ISBN: 1468486136
Category : Science
Languages : en
Pages : 404
Book Description
The idea for an international symposium on regulated streams was conceived over an open-faced sandwich at the R&dhus in Copenhagen when we attended the Congress of the Societas Internationalis Lim nologiae in summer 1977. Although· we were aware that various col leagues were working on ecological problems in reservoir tailwaters, we did not fully comprehend the magnitude of worldwide stream regu lation nor the extent of interest in the subject. Such revelations are reflected in the 21 papers included in this book. The authors have summarized current understanding of the ecology of regulated streams and attempted to convey the importance and direction of future scientific investigations in stream ecosystems altered by upstream impoundments. The First International Symposium on Regulated Streams was the plenary event at the 27th annual meeting of the North American Benthological Society, April 18-20, 1979, in Erie, Pennsylvania. More than 500 colleagues attended. We gratefully acknowledge the support granted by the National Science Foundation; these funds permitted intellectual exchange between scientists from eight coun tries on four continents. We extend personal thanks to Dr. K. W. Stewart, President of NABS, and the NABS Program Committee, including Drs. E. C. Masteller, E. R. Brezina, and W. P. Kovalak. These individuals and other officers and members of the Executive Committee assisted us with the many details leading to organization and staging of a scientific forum. Discussions with Dr. John Cairns, Jr. and Dr. G. Richard Marzolf during the early planning stage were most helpful.
Compilation Report on the Effects of Reservoir Releases on Downstream Ecosystems
Author: Edward CheslakPublisher:
ISBN:
Category : Reservoirs
Languages : en
Pages : 116
Book Description
Effects of a Textile Mill Effluent and a Low Water Dam on Benthic Macroinvertebrate Community Structure of the Guadalupe River in Comal County, Texas
Author: Sondra A. KanePublisher:
ISBN:
Category : Benthos
Languages : en
Pages : 130
Book Description
The Southwestern Historical Quarterly
Author: Proceedings of the 8th International Symposium on Chironomidae, Jacksonville, Fla., July 25-28, 1982
Author: Memoirs of the American Entomological Society
Author: Benthic Macroinvertebrate Metacommunity Structure of the Guadalupe River Basin, TX
Author: Rebecca A. ZawalskiPublisher:
ISBN:
Category : Stream invertebrates
Languages : en
Pages : 86
Book Description
Benthic macroinvertebrates (BMI) are widely used as bio-indicators for local in-stream quality. However, local community structure can be affected by smaller scale (local) environmental conditions and larger scale processes. I assessed the abundance and diversity of BMI and their relationship with local in-stream conditions, regional patterns of land-use/land cover (LULC), and large scale physiographic gradients across the Guadalupe River System, a large basin (3,256 km2) in Central Texas. Macroinvertebrates, water quality, and habitat conditions across 28 sites in the Guadalupe River and its main tributaries were sampled. Highest species diversity occurred near the headwaters, and decreased downstream. Pollution tolerance levels increased downstream and followed an increasing agriculture gradient. Landscape factors explained a large proportion of variation in macroinvertebrate community structure (38%), but 16% of it was spatially structured (shared with spatial factors latitude and longitude) and 4% was explained by spatial factors alone. Local environmental factors were strongly correlated with landscape factors and explained similar amount of variation as landscape factors. My study highlights the importance of incorporating physiographic gradients when examining local and regional diversity and composition of BMI communities, especially in large complex watersheds. My results will help develop more effective monitoring programs for larger river systems.
Author: