Search results
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SOUTHERN OCEAN SENTINEL: REPORT OF THE FIRST INTERNATIONAL WORKSHOP IN 2009
Abstract: The first international workshop on implementing a Southern Ocean Sentinel program was ... held at the CCAMLR Headquarters in Hobart in April 2009. The conclusions of that workshop are provided ... to WG-EMM for consideration along with an overview, the program and abstracts of the keynote ... presentations. A report of the workshop will be submitted to the Scientific Committee for its considerations in ...
Meeting Document : WG-EMM-09/37 : Author(s): A.J. Constable
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Determination of a statistically based survey area suitable for hydroacoustic stock assessment of Euphausia superba in the Elephant Island, King George Island, Bransfield Strait area
Abstract: The selection of a survey area of sufficient size to acount for the migratory behavior ... of krill and based on evaluating the variance structure of sampling within the area from a time ... stock. The two units of sub-area within the site exhibit different patterns of annual distribution, but ... the combined total standing stock has a consistent variance to mean biomass relationship that appears ...
Meeting Document : SC-CAMLR-VIII/BG/32 : Author(s): Delegation of USA
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Decadal trends in the South Georgia demersal fish assemblage
on the Shag Rocks and South Georgia Shelf region between 1986 and 2013. Consistent hotspots of fish ... biomass were seen across survey years. Species counts were highly variable across the shelf region and ... appeared to be linked to habitat type. Low diversity in species was seen consistently over the Shag Rocks ... shelf. There was no detectable change in species composition across the region over three decades. Eight ...
Meeting Document : WG-FSA-13/26 : Author(s): M. Belchier (United Kingdom)
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Development of a spatially-explicit minimum realistic model for Antarctic toothfish (Dissostichus mawsoni) and its main prey (Macrouridae and Channichthyidae) in the Ross Sea
Abstract: To explore the potential effects of the toothfish fishery on the population dynamics of ... spatially explicit model using a predator-prey suitability model for the Ross Sea Region. We model the age ... predation mortality (M2), in addition to fishing mortality (F) on all three species. The model suggests that ... the predation release caused by the fishery effect on toothfish abundance is greater than the direct ...
Meeting Document : WG-EMM-14/51 : Author(s): S. Mormede, M. Pinkerton, A. Dunn, S. Hanchet and S. Parker (New Zealand)
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Continuation of multi-Member research on the Dissostichus eleginoides exploratory fishery in 2017/18 in Division 58.4.3a by France and Japan
Abstract: In Division 58.4.3a, since 2012, research fishing has been conducted in the research ... block by two vessels using longline: “ Shinsei Maru No. 3 ” (Japan) and the “ Saint André ” (France ... ). The catch limit for Dissostichus spp. is 32 tonnes in 2014/2015 and the total reported catch up was ... 16.3 tonnes. For the season (2015/16), the catch limit was unchanged (32 tonnes) but no catch up was ...
Meeting Document : WG-FSA-17/55 : Author(s): Delegations of France and Japan
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A circumpolar pelagic regionalisation of the Southern Ocean
Abstract: This short note describes a circumpolar, pelagic regionalisation of the Southern Ocean ... south of 40°S, based on sea surface temperature, depth, and sea ice information. The results show a ... series of latitudinal bands in open ocean areas, consistent with the oceanic fronts. Around islands and ... continents, the spatial scale of the patterns is finer, and is driven by variations in depth and sea ice. The ...
Meeting Document : WS-MPA-11/06 : Author(s): B. Raymond (Australia)
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SLOPE CURRENTS AROUND THE KERGUELEN ISLANDS FROM DEMERSAL LONGLINE FISHING RECORDS.
Abstract: rrent (ACC), especially around the Kerguelen Islands. However, there is little ... quantitative knowledge of the current field around the islands due to lack of long-term current measurements ... (Dissostichus eleginoides) fisheries in Kerguelen waters. This enabled the construction of a realistic field of ... depth-averaged time-mean slope currents along the 1000 m isobath all around the Kerguelen Islands ...
Meeting Document : WG-FSA-08/P06 : Author(s): Y.-H. Park, N. Gasco and G. Duhamel (France)
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Fish by-catch in the krill fishery: 2017 update
Abstract: Data on fish by-catch in the krill fishery from commercial catch data (100 153 hauls ... ) and CCAMLR SISO data (20 766 hauls) up to 1 Sept 2017 was used to examine the frequency of occurrence ... , length-frequency distribution and geographic provenance of the key fish taxa reported. There is continued ... evidence of an increase in the data quality from the observer scheme, as well as an increase in the ...
Meeting Document : WG-FSA-17/04 : Author(s): CCAMLR Secretariat
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A meta-analysis of by-catch in the Ross Sea toothfish fishery
Abstract: Following the recommendation of WG-FSA in 2014 the Secretariat has undertaken an ... analysis of bycatch in CCAMLR longline fisheries. The numerical target catch ratio (the number of target ... fish as a proportion of the total number of fish caught), using haul by haul data from the Ross Sea ... toothfish fishery from 2008 – 2014, was used as a single metric to examine the amount of bycatch reported by ...
Meeting Document : WG-FSA-15/04 Rev. 1 : Author(s): CCAMLR Secretariat
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THE WHITE-CHINNED PETREL (PROCELLARIA AEQUINOCTIALIS) ON SOUTH GEORGIA: POPULATION SIZE, DISTRIBUTION AND GLOBAL SIGNIFICANCE
fisheries than probably any other seabird in the world, but the population impact of this mortality is ... poorly understood, partly because there have been no estimates of the species’ abundance in recent ... decades. The largest breeding aggregation, comprising the majority of the worldwide total, is believed to ... be on the sub-Antarctic island of South Georgia. We estimated the size of this population by ...
Meeting Document : WG-EMM-PSW-08/05 : Author(s): A.R. Martin, S. Poncet, C. Barbraud, P. Fretwell and E. Foster (United Kingdom)