-
21Quantitative estimations of the influence of fish behaviour on acoustically determined fish abundance Quantitative estimations of the influence of fish behaviour on acoustically determined fish abundanceby Olsen, K., Symposium on Fisheries Acoustics eng 21 Jun 1982 Bergen (Norway), Angel, J. (Tromsoe Univ. (Norway). Inst. of Fisheries), Loevik, A., Nakken, O. (ed.), Venema, S.C. (ed.)
Published 1983Texto bibliotecaFAO IT -
22
-
23Integral transform method for extracting target strength distribution from received echo signals Integral transform method for extracting target strength distribution from received echo signalsby Lozow, J.B. (Charles Stark Draper Lab., Inc., Cambridge, MA (USA)), Symposium on Fisheries Acoustics eng 21 Jun 1982 Bergen (Norway), Nakken, O. (ed.), Venema, S.C. (ed.)
Published 1983Texto bibliotecaFAO IT -
24Acoustic detection and estimation of fish near the sea-bed and surface Acoustic detection and estimation of fish near the sea-bed and surfaceby Mitson, R.B. (Ministry of Agriculture, Fisheries and Food, Lowestoft (UK). Fisheries Lab.), Symposium on Fisheries Acoustics eng 21 Jun 1982 Bergen (Norway), Nakken, O. (ed.), Venema, S.C. (ed.)
Published 1983Texto bibliotecaFAO IT -
25First look at herring distributions with a bottom referencing underwater towed instrumentation vehicle "BRUTIV" First look at herring distributions with a bottom referencing underwater towed instrumentation vehicle "BRUTIV"by Buerkle, U. (Department of Fisheries and Oceans, St. Andrews, New Brunswick (Canada). Biological Station), Symposium on Fisheries Acoustics eng 21 Jun 1982 Bergen (Norway), Nakken, O. (ed.), Venema, S.C. (ed.)
Published 1983Texto bibliotecaFAO IT -
26The design, construction and testing of a multi-beam transducer for in situ target strength measurement The design, construction and testing of a multi-beam transducer for in situ target strength measurementby Simmonds, E.J., Symposium on Fisheries Acoustics eng 21 Jun 1982 Bergen (Norway), Forbes, S.T. (Marine Lab., Aberdeen (UK)), Stevens, P.J., Nakken, O. (ed.), Venema, S.C. (ed.)
Published 1983Texto bibliotecaFAO IT -
27Increased precision of echo integration recordings under various weather conditions Increased precision of echo integration recordings under various weather conditionsby Berg, T., Symposium on Fisheries Acoustics eng 21 Jun 1982 Bergen (Norway), Loevik, A. (Norwegian Inst. of Technology, Trondheim. Electronics Research Lab.), Dalen, J., Nakken, O. (ed.), Venema, S.C. (ed.)
Published 1983Texto bibliotecaFAO IT -
28Observed fish reactions to a surveying vessel with special reference to herring, cod, capelin and polar cod Observed fish reactions to a surveying vessel with special reference to herring, cod, capelin and polar codby Olsen, K., Symposium on Fisheries Acoustics eng 21 Jun 1982 Bergen (Norway), Angel, J., Pettersen, F. (Tromsoe Univ. (Norway). Inst. of Fisheries), Loevik, A., Nakken, O. (ed.), Venema, S.C. (ed.)
Published 1983Texto bibliotecaFAO IT -
29Hydroacoustic assessment in high density fish schools Hydroacoustic assessment in high density fish schoolsby Lytle, D.W., Symposium on Fisheries Acoustics eng 21 Jun 1982 Bergen (Norway), Maxwell, D.R. (Washington Univ., Seattle (USA). Dept. of Electrical Engineering), Nakken, O. (ed.), Venema, S.C. (ed.)
Published 1983Texto bibliotecaFAO IT -
30Acoustics abundance estimation of the Icelandic stock of capelin 1978-1982 Acoustics abundance estimation of the Icelandic stock of capelin 1978-1982by Vilhjalmsson, H., Symposium on Fisheries Acoustics eng 21 Jun 1982 Bergen (Norway), Reynisson, P. (Marine Reseach Inst., Reykjavik (Iceland)), Hamre, J., Roettingen, I., Nakken, O. (ed.), Venema, S.C. (ed.)
Published 1983Texto bibliotecaFAO IT -
31Hydroacoustic indices as input dynamic management systems of fish stocks Hydroacoustic indices as input dynamic management systems of fish stocksby Mathisen, O.A. (Washington Univ., Seattle (USA)), Symposium on Fisheries Acoustics eng 21 Jun 1982 Bergen (Norway), Lemberg, N.A., Johnson, R.L., Nakken, O. (ed.), Venema, S.C. (ed.)
Published 1983Texto bibliotecaFAO IT -
32A procedure for calibrating acoustic survey systems, with estimates of obtainable precision and accuracy A procedure for calibrating acoustic survey systems, with estimates of obtainable precision and accuracyby Robinson, B.J., Symposium on Fisheries Acoustics eng 21 Jun 1982 Bergen (Norway), Hood, C.R. (Ministry of Agriculture, Fisheries and Food, Lowestoft (UK). Fisheries Lab.), Nakken, O. (ed.), Venema, S.C. (ed.)
Published 1983Texto bibliotecaFAO IT -
33Scaling of an echo integrator using echo counts, and a comparison of acoustic and weir count estimates of a juvenile sockeye salmon population Scaling of an echo integrator using echo counts, and a comparison of acoustic and weir count estimates of a juvenile sockeye salmon populationby Nunnallee, E.P. (National Marine Fisheries Service, Seattle WA (USA). Northwest and Alaska Fisheries Center), Symposium on Fisheries Acoustics eng 21 Jun 1982 Bergen (Norway), Nakken, O. (ed.), Venema, S.C. (ed.)
Published 1983Texto bibliotecaFAO IT -
34Acoustic backscattering cross section of cod averaged by sizes and inclination of fish Acoustic backscattering cross section of cod averaged by sizes and inclination of fishby Fedotova, T.A., Symposium on Fisheries Acoustics eng 21 Jun 1982 Bergen (Norway), Shatoba, O.E. (Knipovich Polar Research Inst. of Marine Fisheries and Oceanography, Murmansk (USSR)), Nakken, O. (ed.), Venema, S.C. (ed.)
Published 1983Texto bibliotecaFAO IT -
35Comptage des echo-traces et integration des signaux, deux methodes acoustiques appliquees a l'evaluation de la biomasse du stock de harengs de Strait of Georgia (Etat de Washington... Comptage des echo-traces et integration des signaux, deux methodes acoustiques appliquees a l'evaluation de la biomasse du stock de harengs de Strait of Georgia (Etat de Washington...by Marchal, E. (Office de la Recherche Scientifique et Technique d'Outre Mer (ORSTOM), Brest Cedex (France)), Symposium on Fisheries Acoustics eng 21 Jun 1982 Bergen (Norway), Nakken, O. (ed.), Venema, S.C. (ed.)
Published 1983Texto bibliotecaFAO IT -
36Evaluation acoustique de la biomasse des stocks de sardine au Maroc de 1979 a 1981. Combinaison des estimations du sonar et du sondeur vertical Evaluation acoustique de la biomasse des stocks de sardine au Maroc de 1979 a 1981. Combinaison des estimations du sonar et du sondeur verticalby Lamboeuf, M., Symposium on Fisheries Acoustics eng 21 Jun 1982 Bergen (Norway), Burczynski, J., Bencherifi, S., Chbani, M., Elminowicz, A. (Institut Scientifique des Peches Maritimes, Casablanca (Morocco)), Nakken, O. (ed.), Venema, S.C. (ed.)
Published 1983Texto bibliotecaFAO IT -
37Target strength measurements of walleye pollock (Theragra chalcogramma) and a simulation study of the dual beam method Target strength measurements of walleye pollock (Theragra chalcogramma) and a simulation study of the dual beam methodby Traynor, J.J., Symposium on Fisheries Acoustics eng 21 Jun 1982 Bergen (Norway), Williamson, N.J. (National Marine Fisheries Service, Seattle, WA (USA). Northwest and Alaska Fisheries Center), Nakken, O. (ed.), Venema, S.C. (ed.)
Published 1983Texto bibliotecaFAO IT -
38Hydroacoustic assessment and management of herring fisheries in Washington and southeastern Alaska Hydroacoustic assessment and management of herring fisheries in Washington and southeastern Alaskaby Thorne, R.E. (Washington Univ., Seattle (USA). School of Fisheries), Symposium on Fisheries Acoustics eng 21 Jun 1982 Bergen (Norway), Trumble, R.J., Lemberg, N.A., Blankenbeckler, D., Nakken, O. (ed.), Venema, S.C. (ed.)
Published 1983Texto bibliotecaFAO IT -
39Une methode de simulation pour etudier la distribution des densites en poissons: application a deux cas reels Une methode de simulation pour etudier la distribution des densites en poissons: application a deux cas reelsby Gerlotto, F., Symposium on Fisheries Acoustics eng 21 Jun 1982 Bergen (Norway), Stequert, B. (Office de la Recherche Scientifique et Technique d'Outre Mer (ORSTOM), Paris (France)), Nakken, O. (ed.), Venema, S.C. (ed.)
Published 1983Texto bibliotecaFAO IT -
40The effective parameters of the real acoustic beam The effective parameters of the real acoustic beamby Kalikhman, I.L., Symposium on Fisheries Acoustics eng 21 Jun 1982 Bergen (Norway), Tesler, W.D. (Vsesoyuznyj Nauchno-Issledovatel'skij Inst. Morskogo Rybnogo Khoziajstva i Okeanografii, Moscow (USSR)), Nakken, O. (ed.), Venema, S.C. (ed.)
Published 1983Texto bibliotecaFAO IT