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Variations in the diet composition and feeding intensity of mackerel icefish (Champsocephalus gunnari) at South Georgia (Antarctic)
Abstract: The diet composition and feeding intensity of mackerel icefish (Champsocephalus gunnari ... ) around Shag Rocks and the mainland of South Georgia was analyzed from c. 8,700 stomachs collected in ... superba), the hyperiid Themisto gaudichaudii, mysids (primarily Antarctomysis maxima) and in 1985 also ... Thysanoessa species. The proportion of krill and Themisto in the diet varied considerably between the three ...
Meeting Document : WG-FSA-93/24 : Автор(ы): K.-H. Kock and S. Wilhelms (Germany), I. Everson (United Kingdom) and J. Gröger (Germany)
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Modeling the growth dynamics of Antarctic krill
examine the growth dynamics of Antarctic krill, Euphausia superba. A system of coupled, ordinary ... differential equations was developed to describe the growth of krill between 2 and 60 mm. The metabolic ... processes included in the model were ingestion, assimilation efficiency, a baseline respiration. respiratory ... resulted in the transfer of individuals to the next highest size class (growth), whereas negative net ...
Meeting Document : WG-EMM-96/68 : Автор(ы): Lascara, C.M., Hofmann, E.E.
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Pre-spawning and spawning biology of the Patagonian toothfish, Dissostichus eleginoides, around South Georgia (Subarea 48.3)
Abstract: Samples gathered from research expeditions of the longliners Medvezhy (April-June 1986 ... ) as well as Maksheevo and Mirgorod (June-July 1992) have produced new data on the biology of the ... reproductive part of the Dissostichus eleginoides population in Subarea 48.3. Analysis and synthesis of these ... data have established the bathymetric distribution patterns for different size-groups of toothfish ...
Meeting Document : WG-FSA-92/13 : Автор(ы): I.N. Konforkin and A.N. Kozlov (VNIRO, Moscow, Russia)
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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 : Автор(ы): Delegation of USA
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Climate change and the role of CCAMLR
Abstract: Abstract Fishing magnifies the sensitivity of ecosystems to the effects of climate ... change. In the Southern Ocean, CCAMLR has the capacity to reduce this sensitivity by appropriately ... adapting fishing strategies. ASOC advocates that the role of CCAMLR in the climate change context continues ... to lie in: 1) coordinating with the Committed on Environmental Protection (CEP) in addressing climate ...
Meeting Document : CCAMLR-XXIX/BG/19 : Автор(ы): ASOC Observer
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Research and monitoring to support an MPA in the Ross Sea Region
Abstract: Conservation Measure 91-04 establishes the requirement for research and monitoring ... research and monitoring plans shall, to the extent necessary and inter alia, specify “(a) scientific ... research pursuant to the specific objectives of the MPA; (b) other research consistent with the specific ... objectives of the MPA; and/or (c) monitoring of the degree to which the specific objectives of the MPA are ...
Meeting Document : WG-EMM-12/46 : Автор(ы): G.M. Watters and C.S. Reiss (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 : Автор(ы): 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 : Автор(ы): S. Mormede, M. Pinkerton, A. Dunn, S. Hanchet and S. Parker (New Zealand)
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Analysis of the toothfish fishery indices in Subareas 88.1 and 88.2 when using different types of longline gears
Abstract: The indices of exploratory toothfish fishery in the Subareas 881 and 88.2 for the ... period of 2010-2016 are considered. Taking into account the different number of hooks at longlines sets ... used at the fishery, the catch indices were normalized to 1000 hooks. The effect of the gear types ... (autoline, spanish, trotline) on the observed spatial-temporal variability of CPUE toothfish (kg/1000 ...
Meeting Document : WG-SAM-17/23 : Автор(ы): S. Kasatkina
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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 : Автор(ы): Delegations of France and Japan
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