Trawl sampling of small pelagic fish off Angola: Effects of avoidance, towing speed, tow duration, and time of day

ICES Journal of Marine Science

Volumn 56, Issue 3, 1999, Pages 275-283

  Misund, O A ^a   Luyeye, N ^b   Coetzee, J ^c   Boyer, D ^d  

^a INSTITUTE OF MARINE RESEARCH   (Norway)

^b Instituto de Investigacdo Pesqueiro   (Angola)

^c MARINE AND COASTAL MANAGEMENT   (South Africa)

^d Natl Info and Mar Research Center   (Namibia)

Author keywords

Angola; Avoidance; Catch composition; Length distributions; Pelagic fishes; Trawl sampling

Indexed keywords

AVOIDANCE REACTION; BOTTOM TRAWLING;

(EAST); ANGOLA; ATLANTIC OCEAN;

SARDINELLA AURITA; SARDINELLA MADERENSIS; TRACHURUS CAPENSIS; TRACHURUS TRECAE;

EID: 0033150443     PISSN: 10543139     EISSN: None     Source Type: Journal    
DOI: 10.1006/jmsc.1999.0445     Document Type: Conference Paper

References (9)

1. Anon. 1991. Annual Report of the Planning Department, Ministry of Fisheries, Luanda, 1991.
2. FAO. 1995. FAO Fisheries Series, No. 48. Rome 1997.
3. Barange, M., and Hampton, I. 1994. Influence of trawling on in situ estimates of cape horse mackerel (Trachurus trachurus capensis) target strength. ICES Journal of Marine Science, 51: 121-126.
4. He, P. 1993. Swimming speeds of marine fish in relation to fishing gears. ICES Marine Science Symposium, 196: 183-189.
5. MacLennan, D. N., and Simmonds, E. J. 1992. Fisheries Acoustics. Chapman & Hall, London, 336 pp.
6. Massé, J., and Retiére, N. 1995. Effect of number of transects and identification hauls on acoustic biomass estimates under mixed species conditions. Aquatic Living Resources, 8: 195-199.
7. Misund, O. A. 1997. Sampling herring in the norwegian sea by pelagic trawl. ICES CM 1997/W:21, 7 pp.
8. Misund, O. A., and Aglen, A. 1992. Swimming behaviour of fish schools in the north sea during acoustic surveying and pelagic trawl sampling. ICES Journal of Marine Science, 49: 325-334.
9. Nunnallee, E. P. 1991. An investigation of the avoidance reactions of Pacific whiting (Merluccius productus) to demersal and midwater trawl gear. ICES CM 1991/B:5, 10 pp.