Search results
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Implementation of by-catch move-on rules in exploratory fisheries
of catch and location data from CCAMLR exploratory fisheries from 2010 to 2018. Conservation Measure 33-03 ... and location data from CCAMLR exploratory fisheries from 2010 to 2018. Conservation Measure 33-03 specified ...
Meeting Document : WG-FSA-18/09 : Author(s): CCAMLR Secretariat
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CCAMLR Fisheries: 2008 Update
of IUU catches) and CCAMLR-XXVII/BG/15 (implementation of fishery-related conservation measures). Author ... catches) and CCAMLR-XXVII/BG/15 (implementation of fishery-related conservation measures). ...
Meeting Document : WG-FSA-08/04 : Author(s): Secretariat
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Possible causes of variation of Champsocephalus gunnari vertical and horizontal distribution
that are inaccessible for fishing. Conduction of census surveys during this period is pointless. In spring, during ... . Fish feed intensively during feeding period in summer, performing vertical and horizontal migrations ... . It is not recommended to make stock assessment of fish yielded with bottom fishing gear, as in this case, fish staying ... in pelagic zone is missed. In autumn, pre-spawning fish migrate to spawning areas in near-bottom water layers ...
Meeting Document : WAMI-01/08 : Author(s): Zh.A. Frolkina and S.M. Kasatkina (Russia)
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Season extensions in the longline fishery for Dissostichus eleginoides in Statistical Division 58.5.2
eleginoides in Statistical Division 58.5.2. This paper presents results of trial fishing season extensions ... on the results, it proposes a new step-wise trial pre-season extension of the longline fishing season to include ... be established as the basis for a further step-wise trial post-season extension of the longline fishing season ... in Statistical Division 58.5.2. This paper presents results of trial fishing season extensions ...
Meeting Document : WG-FSA-15/48 : Author(s): J. Barrington and T. Lamb (Australia)
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Calculating effective releases and recaptures for stock assessments based on tag detection and tagging mortality indices
developed using a methodology which controls for the spatial and temporal variability of fishing operations ... by pairing each individual tag release or recapture event with all other fishing events which occurred ... in the same time and place (i.e. within a specific distance and in the same fishing season). The method showed ... that when the confounding effects of variable fishing location and time were controlled, there were ...
Meeting Document : WG-SAM-14/30 : Author(s): S. Mormede (New Zealand)
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Characteristics of krill aggregations in 48.4 subdivision during January–February 2000
biomass density with a view to revealing potential fishing grounds to remove the recommended precautionary ... catch limit. There have been revealed that potential fishing grounds could be situated within the zones ... of swarms concentrations where biomass density was than 1.5g/m^3. Biomass in the potential fishing grounds ... of krill biomass horizontal and vertical distribution and to reveal potential fishing grounds to remove ...
Meeting Document : WG-EMM-01/42 : Author(s): S.M. Kasatkina, A.P. Malyshko, V.N.Shnar and O.A. Berezhinskiy (Russia)
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Longline sink rates of an autoline vessel, and notes on seabird interactions
an autoline fishing vessel working the New Zealand ling (Genypterus blacodes) longline fishery on the Chatham ... . Further trials were conducted with weights added to the longline as in normal fishing operations. A robust ... help decrease the incidental mortality of seabirds during autoline fishing. Seabird incidental ... were Cape pigeons (Daption capense). Seabird behaviour about the vessel varied with fishing activity ...
Meeting Document : WG-FSA-01/44 : Author(s): N.W.McL. Smith (New Zealand)
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Fish Heaven: a Monte Carlo, spatially explicit single species fishery model for the testing of parameter estimation methods
Abstract: Fish Heaven is a simple spatially explicit age structured fish model, containing ... the basic features of standard fish modeling with a number of optional extras. It was designed within ... plausible spatial structures of fish stock. The model has a simple age and space structured population ... ) as well as demographic stochasticity. It is a spatially explicit model in which fish will tend ...
Meeting Document : WG-FSA-00/36 : Author(s): I. Ball and A. Constable (Australia)
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A summary of the commercial fishery for mackerel icefish Champsocephalus gunnari in Subarea 48.3 during the 1997/98 season
, fished commercially for mackerel icefish at South Georgia (Subarea 48.3) using a midwater trawl for ten ... . Most of the catch was made up of fish between 22 and 30 cm long. Fish of this size range have ... 0.21 tonnes. The vessel's fishing master had no experience of fishing for icefish and was not well ... were due to a low standing stock of the target species, or the inexperience of the fishing master ...
Meeting Document : WG-FSA-98/53 : Author(s): G. Parkes, A. King and C. Jones (United Kingdom)
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Results of the tagging experiment for (D. eleginoides) in Subarea 48.4, 2007 update
Abstract: 1. During the 2006/07 fishing season one UK and one New Zealand vessel fished ... and released during fishing operations. This represents a very high tagging rate of 5.4 fish per tonne of catch ... distributions of abundance around the fishing area. There were two tag recaptures in 2007, both ... 1. During the 2006/07 fishing season one UK and one New Zealand vessel fished in Subarea 48.4 ...
Meeting Document : WG-FSA-07/32 : Author(s): J. Roberts and D.J. Agnew (United Kingdom)