Search results
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BEACHED MARINE DEBRIS SURVEYS AND INCIDENCES OF SEABIRD/MARINE MAMMAL ENTANGLEMENTS AND HYDROCARBON SOILING AT BIRD ISLAND, SOUTH GEORGIA AND SIGNY ISLAND, SOUTH ORKNEYS, 2008-2009
wandering albatross and one gentoo penguin (all involving fishing line and/or hooks) were observed at Bird ... albatross and one gentoo penguin (all involving fishing line and/or hooks) were observed at Bird Island ...
Meeting Document : WG-IMAF-09/09 : Author(s): C.M. Waluda (United Kingdom)
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Instructions for completing the data forms
................................................................................................................................ 4 3. Fishing effort ... periods depending on the conservation measure that applies to a fishery. In case of failure to submit ... , including for days or periods on which fishing does not take place. For each vessel, a report must ... with a catch limit the vessel entered and was authorised to fish for the duration of the fishery, even ...
Document : Site Section: Data
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A method for inferring movement rates of fish from mark–recapture data
Abstract: This paper presents methods to infer the rate of movement of fish that are marked ... of the release and the recapture. In addition, the intensity of fishing effort (i.e. sampling) by location ... , and then consider spatially variable sampling of marked fish moving according to this model. While this model-based ... of recapture in a location to match the relative probability of catching an unmarked fish in that location ...
Meeting Document : WG-FSA-05/66 : Author(s): C. Wilcox (Australia)
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By-catch of juvenile Antarctic fish from krill (Euphausia superba Dana) fisheries in the South Georgia area, in 1992
Abstract: Discussed in this paper is an investigation on juvenile antarctic fish caught during ... krill fishing by the BAT GrigOly Kovtun in the region of the South Georgia Islands during the period May ... larseni. The frequency of occurrence of juvenile fish was 18.2% when considering all krill tows and 45.5 ... % when only tows made in shelf waters were considered. Juvenile fish abundance, normalised ...
Meeting Document : WG-FSA-93/8 Rev. 1 : Author(s): E.A. Pakhomov and S.A. Pankratov (Ukraine)
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An updated spatially explicit population dynamics operating model for Antarctic toothfish in the habitable depths of the Ross Sea region
that a proportion of the mature fish spawn each year. The model estimation of the maturity ogive is now similar ... measurements from all fished areas, biological characterisation of fish on the spawning grounds during winter ... , and characterising the fish population in areas not fished to date. We propose that the modelling platform presented ... here can be used to test the likelihood and examine the consequences of alternative fish movement ...
Meeting Document : WG-SAM-14/31 : Author(s): S. Mormede, A. Dunn, S. Parker and S. Hanchet (New Zealand)
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Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica
the 2005–06 fishing season. These observers were placed aboard three longline vessels targeting Antarctic ... . These data included species identification, fish length, weight, sex, meristics, reproductive biology, diet ... relationships were calculated and presented for both male and female fish. Gonad maturity stage data showed ... that most fish were either immature or resting (mature). Gonado-Somatic Indices (GSI) were calculated ...
Meeting Document : WG-FSA-07/25 : Author(s): C.P. Sutton, M.J. Manning, D.W. Stevens, P.M. Marriott (New Zealand)
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Information on the status of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in the lower South Shetland Islands derived from a long-term monitoring program (1983–2006) at Potter Cover
Abstract: The long term monitoring program of demersal fish at inshore sites of the South ... . The decline in trammel net catches of fjord fishes of the species Notothenia rossii and Gobionotothen ... gibberifrons in relation to the non commercially fished Notothenia coriiceps, which was previously reported ... . Commercial fishing off the South Shetland Islands in the late 1970s is the most likely explanation ...
Meeting Document : WG-FSA-06/25 : Author(s): E.R. Barrera-Oro and E.R. Marschoff (Argentina)
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Research plan for toothfish in Divisions 58.4.4a and b by Shinsei Maru No. 3 in 2011/12
in the 2010/11 fishing season with the aims of providing the data required for assessments of the population ... D. eleginoides, of which two fish were tagged and released in SSRU C during the 2007/08 and 2009/10 preliminary ... B instead of an unconducted haul in the 2010/11. To apply mark-and recapture studies, tagging rate of 5 fish ... to understanding of differences in the physical conditions of tagged fish between those caught on Spanish lines ...
Meeting Document : WG-SAM-11/07 : Author(s): Delegation of Japan
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Review of the use of survey data and length-at-age models in the assessment of Dissostichus eleginoides in the vicinity of Heard Island and McDonald Islands (Division 58.5.2)
and the implications of this review to estimating the abundance of juvenile fish using CMIX. In addition, the paper ... of abundance of juvenile fish and the length-at-age model were also examined. Yield estimates were found ... and the cohort abundances from CMIX, and to a lesser extent estimated fishing selectivities. A scenario ... of this review to estimating the abundance of juvenile fish using CMIX. In addition, the paper examines how ...
Meeting Document : WG-FSA-06/44 Rev. 1 : Author(s): D.C. Welsford, A.J. Constable and G.B. Nowara (Australia)
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Revised assessment models for Patagonian toothfish in research block 58.4.3a_1 of Division 58.4.3a, Elan Bank for the years 2005–2014
fish tagged in 2012, and a catch at age model including the data with a single age length key applied ... -length relationship for Ob-Lena Banks (ELAN_lenOB). The likelihood profiles for tagged fish released ... was calculated at 30 tonnes. The fishing bias to the shallow areas should be avoided because the CCAMLR risk ... : two catch at length models including (ELAN_len model) or excluding (ELAN_tag model) the data from fish ...
Meeting Document : WG-FSA-15/22 : Author(s): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)