Download or read book Preliminary Assessment of Fish Entrainment at Hydropower Projects Fish Stories written by Federal Energy Federal Energy Regulatory Commission and published by Createspace Independent Publishing Platform. This book was released on 2016-01-19 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report deals with fish entrainment at hydropower projects. Entrainment is important to the Federal Energy Regulatory Commission (FERC) because we must evaluate the effects of turbine entrainment on fish populations. We must decide, with assistance from resource agencies, whether to require licensees to take protective measures to reduce entrainment. The purpose of the report is to use recent entrainment studies to identify trends that might, in some cases, reduce the need for site-specific entrainment studies. The entrainment studies reviewed also provide a basis to suggest methods of improving future studies. Costs and effectiveness of alternatives to reduce entrainment provide aquatic resource protection options. The report focuses on entrainment studies east of the Mississippi River because more studies are available for this area. Information on protective measures includes sites from the entire country. This report provides guidance to Division of Project Review staff in their review of applications for hydropower licenses. It is also valuable to resource agencies and hydropower licensees/applicants. We remind the reader that this is a preliminary summary assessment, and new information may alter the suggestions presented here.

Download or read book Preliminary Assessment of Fish Entrainment at Hydropower Projects written by Federal Energy Federal Energy Regulatory Commission and published by CreateSpace. This book was released on 2015-06-10 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report deals with fish entrainment at hydropower projects. Entrainment is important to the Federal Energy Regulatory Commission (FERC) because we must evaluate the effects of turbine entrainment on fish populations. We must decide, with assistance from resource agencies, whether to require licensees to take protective measures to reduce entrainment. The purpose of the report is to use recent entrainment studies to identify trends that might, in some cases, reduce the need for site-specific entrainment studies. The entrainment studies reviewed also provide a basis to suggest methods of improving future studies. Costs and effectiveness of alternatives to reduce entrainment provide aquatic resource protection options. The report focuses on entrainment studies east of the Mississippi River because more studies are available for this area. Information on protective measures includes sites from the entire country. This report provides guidance to Division of Project Review staff in their review of applications for hydropower licenses. It is also valuable to resource agencies and hydropower licensees/applicants. We remind the reader that this is a preliminary summary assessment, and new information may alter the suggestions presented here.

Download or read book Preliminary Assessment of Fish Entrainment at Hydropower Projects written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Application of Traits Based Assessment Approaches to Estimate the Effects of Hydroelectric Turbine Passage on Fish Populations written by and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the most important environmental issues facing the hydropower industry is the adverse impact of hydroelectric projects on downstream fish passage. Fish that migrate long distances as part of their life cycle include not only important diadromous species (such as salmon, shads, and eels) but also strictly freshwater species. The hydropower reservoirs that downstream-moving fish encounter differ greatly from free-flowing rivers. Many of the environmental changes that occur in a reservoir (altered water temperature and transparency, decreased flow velocities, increased predation) can reduce survival. Upon reaching the dam, downstream-migrating fish may suffer increased mortality as they pass through the turbines, spillways and other bypasses, or turbulent tailraces. Downstream from the dam, insufficient environmental flow releases may slow downstream fish passage rates or decrease survival. There is a need to refine our understanding of the relative importance of causative factors that contribute to turbine passage mortality (e.g., strike, pressure changes, turbulence) so that turbine design efforts can focus on mitigating the most damaging components. Further, present knowledge of the effectiveness of turbine improvements is based on studies of only a few species (mainly salmon and American shad). These data may not be representative of turbine passage effects for the hundreds of other fish species that are susceptible to downstream passage at hydroelectric projects. For example, there are over 900 species of fish in the United States. In Brazil there are an estimated 3,000 freshwater fish species, of which 30% are believed to be migratory (Viana et al. 2011). Worldwide, there are some 14,000 freshwater fish species (Magurran 2009), of which significant numbers are susceptible to hydropower impacts. By comparison, in a compilation of fish entrainment and turbine survival studies from over 100 hydroelectric projects in the United States, Winchell et al. (2000) found useful turbine passage survival data for only 30 species. Tests of advanced hydropower turbines have been limited to seven species - Chinook and coho salmon, rainbow trout, alewife, eel, smallmouth bass, and white sturgeon. We are investigating possible approaches for extending experimental results from the few tested fish species to predict turbine passage survival of other, untested species (Cada and Richmond 2011). In this report, we define the causes of injury and mortality to fish tested in laboratory and field studies, based on fish body shape and size, internal and external morphology, and physiology. We have begun to group the large numbers of unstudied species into a small number of categories, e.g., based on phylogenetic relationships or ecological similarities (guilds), so that subsequent studies of a few representative species (potentially including species-specific Biological Index Testing) would yield useful information about the overall fish community. This initial effort focused on modifying approaches that are used in the environmental toxicology field to estimate the toxicity of substances to untested species. Such techniques as the development of species sensitivity distributions (SSDs) and Interspecies Correlation Estimation (ICE) models rely on a considerable amount of data to establish the species-toxicity relationships that can be extended to other organisms. There are far fewer studies of turbine passage stresses from which to derive the turbine passage equivalent of LC50 values. Whereas the SSD and ICE approaches are useful analogues to predicting turbine passage injury and mortality, too few data are available to support their application without some form of modification or simplification. In this report we explore the potential application of a newer, related technique, the Traits-Based Assessment (TBA), to the prediction of downstream passage mortality at hydropower projects.

Download or read book Literature based Evaluation of Potential Fish Entrainment and Turbine Passage Mortality at the Roanoke Rapids and Gaston Hydropower Project written by John Knutzen and published by . This book was released on 1996 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Innovations in Fish Passage Technology written by Mufeed Odeh and published by . This book was released on 1999 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: Odeh (Conte Anadromous Fish Research Center) presents 13 contributions which explore the technical possibilities of constructing effective fish bypass systems for hydroelectric dams, especially those that are due for relicensing in the context of new regulations. The articles consist of case studies in the effectiveness of such techniques as surface bypass systems, modular inclined screens, hydroacoustic evaluation of fish entrainment patterns, surface collection, surface spill gates, and radio-tagging and radar tracking behavior evaluation strategies. Annotation c. Book News, Inc., Portland, OR (booknews.com).

Download or read book Preliminary Results of the Richard B Russell Fish Entrainment Study written by United States. Army. Corps of Engineers. Savannah District and published by . This book was released on 1991 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Workshop Proceedings Results of the Richard B Russell Fish Entrainment Study Held in Savannah Georgia 18 19 January 1989 written by John M. Nestler and published by . This book was released on 1990 with total page 197 pages. Available in PDF, EPUB and Kindle. Book excerpt: Workshop presentations documented the assessment phase of the study in which the potential for entrainment and subsequent mortality of fish in turbines of the RBR Dam were evaluated for proposed pumped storage operations. Session I concentrated on general information describing the J. Strom Thurmond (JST) Lake fishery and compared fish compositions and abundances in the tailwater with those in other portions of JST Lake on a seasonal and annual basis. Session II presentations focused on detailing information on the fishery in the tailwater of RBR Dam. Session III featured associated studies or recently planned or newly completed work to address issues and problems arising since the RBRFES was begun. Keywords: Fishes mortality/turbines; Dams/reservoirs; Fish entrainment; Hydropower impact; Pumped storage; Fisheries; Richard B. Russell Dam. (edc).

Download or read book Fish Passage Technologies written by and published by Office of Technology Assessment. This book was released on 1995 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book A Compendium on the Success of Passage of Small Fish Through Turbines written by Milo C. Bell and published by . This book was released on 1967 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Assessment of Larval Fish Entrainment at Plant Barry Steam Electric Generating Facility on the Mobile River Alabama written by and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Effects of a Bubble Screen and Strobe Lights on Fish Entrainment at a Hydropower Dam written by Richard Harvey and published by . This book was released on 1995 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Guidelines for Hydro Turbine Fish Entrainment and Survival Studies written by S.V. Amaral and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Fish Entrainment and Turbine Mortality Review and Guidelines written by Stone & Webster Environmental Services and published by . This book was released on 1992 with total page 285 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Fish Entrainment Analysis written by Duke Engineering & Services and published by . This book was released on 2000 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Mathematical Methods to Evaluate Entrainment of Aquatic Organisms by Power Plants written by C. P. Goodyear and published by . This book was released on 1980 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book A Summary of Fish Passage Facility Design Concepts and Preliminary Results of FY 1982 83 Fish Studies written by Bechtel Group and published by . This book was released on 1982 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: