NOAA Protocols for Fisheries Acoustics Surveys and Related ...

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Simrad. 2001. Simrad EK60 scientific echo sounder instruction manual – base version. Simrad AS Strandpromenaden 50, PO Box 111, N-3191 Horten, Norway. Sonardata. 2003. Echoview software v. 3.00.75.05. Sonardata Pty Ltd, GPO Box 1387, Hobart, Tasmania, Australia. Stanley, R.D., R. Kieser, K. Cooke, A.M. Surry, and B. Mose. 200. Estimation of a widow rockfish (Sebastes entomelas) shoal off British Columbia, Canada as a joint exercise between stock assessment staff and the fishing industry. ICES J. Mar. Sci. 57 : 1035-1049. Traynor, J.J. 1996. Target-strength measurements of walleye pollock (Theragra chalcogramma) and Pacific whiting (Merluccius productus). ICES J. Mar. Sci. 53 : 253-258. Williamson, N.J. and J.J. Traynor. 1996. Application of a one-dimensional geostatistical procedure to fisheries acoustic surveys of Alaskan pollock. ICES Journal of Marine Science 53: 423-428. Wilson, C.D. and M.A. Guttormsen. 1997. Echo integration-trawl survey of Pacific whiting, Merluccius productus, off the west coasts of the United States and Canada during July- September 1995. 102
NWFSC Regional Protocols For the Joint Canadian and U.S. Pacific Hake Acoustic Survey Prepared by: Fleischer, G.W., Ressler, P.H., Thomas, R.E., de Blois, S.K., Hufnagle, L.H. NOAA Fisheries, Northwest Fisheries Science Center (NWFSC) Fishery Resource Analysis and Monitoring Division Acoustics Team February 2005 103
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NOAA Protocols for Fisheries Acoust
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Echo Sounder Parameters ...........
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Trawls ............................
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Introduction In response to Vice Ad
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Advanced Survey Technologies Progra
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Techniques Before conducting a cali
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Considerations Remediation Echo sou
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transmission loss. To correct for s
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unavoidably discarded, just as some
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factors such as orientation are not
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A schedule for calibration and main
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Techniques Noise Acoustical A commo
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⎛ I ⎞ r TS ≡ 10 log10 ⎜ ⎟
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Considerations Remediation If a TS-
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Techniques Beam Pattern Transducers
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during vertical migration, will cau
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A schedule for calibration and main
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degradation are external to the ech
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permanently archived for each surve
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Numerical Density to Biomass Densit
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An electronic ‘event log’ can b
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References Demer, D.A., M.A. Soule,
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Regional Protocols Because of the d
Page 51 and 52: Table of Contents Introduction.....
Page 53: Electrical ........................
Page 56 and 57: Center Background NEFSC The Northea
Page 58 and 59: S v Calibrations The NEFSC acoustic
Page 60 and 61: Operation Menu/Transmit Power Norma
Page 62 and 63: Software The echo sounder firmware
Page 64 and 65: ii. Minimum Sv for good pick: -50.0
Page 66 and 67: Net mensuration sensors are attache
Page 68 and 69: We remove backscattering by surface
Page 70 and 71: GPS The primary Global Positioning
Page 72 and 73: Electrical Electrical noise protoco
Page 74 and 75: Scientific Computer System (SCS) Fi
Page 77: Appendix 2 March 11, 2005 NOAA Prot
Page 80 and 81: Techniques ........................
Page 82 and 83: Center Background AFSC The Alaska F
Page 84 and 85: On-axis sensitivity and S v calibra
Page 86 and 87: Volume Backscattering Measurements
Page 88 and 89: Mid-water juvenile pollock (max sa=
Page 90 and 91: Biological Sampling Mid-water and n
Page 92 and 93: Bubble Attenuation Vessel speed is
Page 94 and 95: Data Collection Since 1990 to the p
Page 96 and 97: sampling resolution of scattering l
Page 98 and 99: A decision must be made as to wheth
Page 100 and 101: design. If fish abundance in this a
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Page 106 and 107: Acoustic Data......................
Page 108 and 109: ackscattering cross-section (σ i )
Page 110 and 111: o For the 38 kHz transducer operati
Page 112 and 113: • Two-way integrated beam pattern
Page 114 and 115: Classification Techniques Single Fr
Page 116 and 117: Performance Degradation Definition
Page 118 and 119: Biological Data Data from catch pro
Page 120 and 121: elation also assumes that backscatt
Page 122 and 123: finer than the 13.5-18.9 nmi (25-35
Page 124 and 125: Improvements - The annual hake migr
Page 126 and 127: Techniques The primary source of th
Page 128 and 129: Hamano, A., Sasakura, T., Kieser, R
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