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<br />FWS/OBS-76/20.1. IMPACTS OF POWER PLANT INTAKE VELOCITIES ON FISH. John <br />Boreman. 1977. 10 pp. <br /> <br />An outline of biological problems associated with power plant intake <br />velocities. This brief includes information needed to assess impacts of <br />intake velocities on fishery resources and a list of technical references <br />containing more detailed analyses of the problems and mitigation <br />alternatives. <br /> <br />FWS/OBS-76/20.2. TRANSMISSION lINE RIGHTS-OF-WAY MANAGEMENT. D. H. Arner. <br />1977. 12 pp. <br /> <br />A summary of some current transmission line rights-of-way management <br />practices and their costs, the bases for selecting a specific management <br />technique, and some possible management goals to benefit fish and wildlife <br />in various local situations. <br /> <br />FWS/OBS-76120.3. MATHEMATICAL METHODS TO EVALUATE ENTRAINMENT OF AQUATIC <br />ORGANISMS BY POWER PLANTS. C. Phillip Goodyear. 1977. 17 pp. <br /> <br />This brief contains equations which may be used to estimate the percentage <br />loss of populations of aquatic organisms that are entrained by power <br />plants located on rivers and streams, lakes and reservoirs, and estuaries. <br /> <br />FWS/OBS-76/20.4. Number not used. <br /> <br />FWS/OBS-76120. 5. FEDERAL WATER POllUTION CONTROL ACT: THE SECTIONS 316( a) <br />AND (b) PROCESS. Eugene S. Fritz. 1978. 13 pp. <br /> <br />Sections 316(a) and (b) of the Federal Water Pollution Control Act deal <br />with thermal (heat) discharges and cooling water intake structures. This <br />publication explains the procedures that must be followed to adhere to <br />these sections. <br /> <br />FWS/OBS-76/20.6. EFFECTS OF GEOTHERMAL ENERGY DEVELOPMENT ON FISH AND <br />WILDLIFE. TOPICAL BRIEFS NO.6. Glenn W. Suter II. 1978. 20 pp. <br /> <br />This project discusses the nature of geothermal resources, technologies <br />for exploration, extraction, and use; effects of these activities on fish <br />and wildlife; and the potential for habitat enhancement. Emphasis is <br />placed on the range of possible activities and effluents, including <br />comparisons with other energy technologies. <br /> <br />FWS/OBS-76120.7. FACTORS AFFECTING ACCURACY OF ICHTHYOPLANKTON SAMPLES USED <br />IN POWER PLANT ENTRAINMENT STUDIES. R. R. Bowles, John V. Merriner, and <br />John Boreman. 12 pp. <br /> <br />Sampling programs designed to assess impact of power plants on ichthyo- <br />plankton populations are subject to multiple sources of error that may <br />affect reliability and applicability of the data. Gear currently used to <br />sample ichthyoplankton are discussed, and abiotic and biotic factors that <br />ry1ay prevent these gear from attaining "representative" samples are <br />~dentified. A checklist of items which should be considered in evaluation <br />of existing or proposed programs to sample ichthyoplankton is provided. <br /> <br />8 <br />