Investigations of entrainment mortality among larval and juvenile fishes using a Power Plant Simulator

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A Power Plant Simulator (PPS) was constructed at the Oak Ridge National Laboratory to examine the component sources of entrainment mortality. This experimental apparatus circulates temperature-controlled water through a closed loop consisting of a pump, a condenser bundle, and vertically adjustable piping. Larval bluegill, channel catfish, carp, largemouth bass, and smallmouth bass and juvenile bluegill and mosquitofish were exposed to different combinations of pump speed and water temperatures in the PPS. Wide differences among species in their sensitivity to pipe and condenser passage were observed. For most of the species tested, short-term conditional mortalities resulting from the physical stresses of ... continued below

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Pages: 30

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Cada, G.F.; Suffern, J.S.; Kumar, K.D. & Solomon, J.A. January 1, 1980.

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Description

A Power Plant Simulator (PPS) was constructed at the Oak Ridge National Laboratory to examine the component sources of entrainment mortality. This experimental apparatus circulates temperature-controlled water through a closed loop consisting of a pump, a condenser bundle, and vertically adjustable piping. Larval bluegill, channel catfish, carp, largemouth bass, and smallmouth bass and juvenile bluegill and mosquitofish were exposed to different combinations of pump speed and water temperatures in the PPS. Wide differences among species in their sensitivity to pipe and condenser passage were observed. For most of the species tested, short-term conditional mortalities resulting from the physical stresses of pipe and condenser passage increased with ..delta..T and/or pumping rate. Pump passage was not a major source of physical damage, and no clear relationship was found between pump efficiency and mortality. Susceptibility to physical stresses associated with entrainment was inversely related to the size of the entrained organisms. Delayed mortality frequently occurred among fishes exposed to stresses in the PPS. However, delayed mortality estimates in these experimental groups were significantly greater than corresponding values in handling control groups in only 15 of 64 comparisons. Like short-term mortalities, relatively higher delayed mortalities were often observed for the smaller species tested.

Physical Description

Pages: 30

Notes

Dep. NTIS, PC A03/MF A01.

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  • 5. national workshop on entrainment and impingement, San Francisco, CA, USA, 5 May 1980

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  • Report No.: CONF-800543-1
  • Grant Number: W-7405-ENG-26
  • Office of Scientific & Technical Information Report Number: 5413967
  • Archival Resource Key: ark:/67531/metadc1064907

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 1, 1980

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  • Feb. 4, 2018, 10:51 a.m.

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  • April 4, 2018, 1:07 p.m.

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Cada, G.F.; Suffern, J.S.; Kumar, K.D. & Solomon, J.A. Investigations of entrainment mortality among larval and juvenile fishes using a Power Plant Simulator, article, January 1, 1980; Tennessee. (digital.library.unt.edu/ark:/67531/metadc1064907/: accessed April 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.