Can changes in tow duration on bottom trawl surveys lead to changes in CPUE and mean size?

Fisheries Research

Volumn 55, Issue 1-3, 2002, Pages 63-70

  Somerton, David A ^a   Otto, Robert S ^b   Syrjala, Stephen E ^a  

^a ALASKA FISHERIES SCIENCE CENTER   (United States)

^b NATIONAL MARINE FISHERIES SERVICE   (United States)

Author keywords

Bottom trawl; Catchability; Tow duration; Trawl surveys

Indexed keywords

BOTTOM TRAWLING; CATCH PER UNIT EFFORT; CATCHABILITY; CRAB FISHERY; FISHERY SURVEY; SIZE DISTRIBUTION;

BERING SEA;

CHACEON AFFINIS; CHIONOECETES BAIRDI; CHIONOECETES OPILIO; DECAPODA (CRUSTACEA); OPILIO; PARALITHODES CAMTSCHATICUS;

EID: 0036164476     PISSN: 01657836     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0165-7836(01)00293-4     Document Type: Article

References (8)

1. Escape of fish under the fishing line of a Norwegian sampling trawl and its influence on survey results
2. Effect of tow duration on length composition of trawl catches
3. Endurance at intermediate swimming speeds of Atlantic mackerel, Scomber scombrus L., herring, Clupea harengus L., and saithe, Pollachinus virens L
4. Estimating net efficiency of survey trawl for flatfishes
5. Optimum size of sampling units for estimating the density of marine population
6. Net efficiency of a survey trawl for snow crab, Chionoecetes opilio, and Tanner crab, C. bairdi
7. Effect of tow duration on gear selectivity
8. Size-dependent selection at the footgear of a groundfish survey trawl