Search results
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INFORMATION ON ILLEGAL FISHING IN STATISTICAL AREA 58 REPORT OF OBSERVATIONS AND INSPECTIONS IN THE CCAMLR AREA 2008/2009 SEASON (1 July 2008 – 15 August 2009)
. Although there has been a definite decline in sightings in winter 2008, an increase has nevertheless been ... , Galienni Spur, Williams Seamount) All IUU vessels observed seemed to be using gillnets. A number of them ... Member countries. A significant step forward in tactics aimed at deterring illicit operations has however ... been made this season through the completion of a CCAMLR inspection on board an NCP-IUU vessel with the ...
Meeting Document : CCAMLR-XXVIII/37 : Author(s): Delegation of France
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CCAMLR ecosystem monitoring and management: future work
process is due to the formulation of a management procedure, which has decision rules that specify how ... adopt a management procedure which has a great chance of maintaining ecological relationships and ... designing a monitoring program to detect the effects of fishing, and the types of procedures already ...
Meeting Document : WG-EMM-12/P05 : Author(s): A.J. Constable
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Survey results on abundance and biology of toothfish in Division 58.4.3b by Shinsei maru No.3 during 2006/07–2011/12 and proposal of the consecutive survey in 2012/13
information for the stock status and biology of toothfish in the Division 58.4.3b (Banzare Bank), using a ... -recapture experiment in the 2012/13 season with a little modified spatial design. An approximate stock ... comparison method. Applying a precautionary discount factor for biomass estimated of 0.3 and a precautionary ...
Meeting Document : WG-FSA-12/56 : Author(s): K. Taki, T. Iwami, M. Kiyota and T. Ichii (Japan)
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Relationships between oceanographic environment and distribution of krill and baleen whales in the Ross Sea and adjacent waters, Antarctica in 2004/05
ecosystem in the Ross Sea and its adjacent waters with a joint survey the R/V Kaiyo Maru and the Japanese ... a high density around 0℃ near the Southern Boundary of ACC. Antarctic minke whales mainly ... distributed in the ASW and SW zones with high density around-1 ℃ in a continental shelf slope frontal zone ... using acoustic data. We summarized a geographical image between oceanography relating water mass and ...
Meeting Document : WG-EMM-08/31 : Author(s): M. Naganobu, S. Nishiwaki, H. Yasuma, R. Matsukura, Y. Takao, K. Taki, T. Hayashi, Y. Watanabe, T. Yabuki, Y. Yoda, Y. Noiri, M. Kuga, K. Yoshikawa, N. Kokubun, H. Murase, K. Matsuoka, T. Iwami and K. Ito (Japan)
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Research plan for toothfish in Divisions 58.4.4a and 58.4.4b by Shinsei Maru No. 3 in 2012/13
Abstract: A tagging survey in SSRUs B and C in Division 58.4.4 a & b was conducted in the ... structure, size, movement and growth of Dissostichus spp. in the centred area of Division 58.4.4 a & b ... research catch of approximately 55 tonnes. The estimate (1 086 tonnes) using CPUE comparison method was a ...
Meeting Document : WG-SAM-12/17 : Author(s): Delegation of Japan
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Discrimination of two species of grenadier (Gadiformes, Macrouridae), Macrourus whitsoni and M. caml, in the Ross Sea region of the Southern Ocean (CCAMLR Subareas 88.1 and 88.2) on the basis of otolith morphometrics
, Macrourus whitsoni and M. caml. A total of 220 otoliths from M. whitsoni and 307 otoliths of M. caml from ... included in the sample, but females predominated. A linear function of fish total length (cm), depth of the ... 0.968. A similar discriminant function based on PAL (cm) rather than TL performed almost as well (90 ... for M. caml (CCAMLR Subareas 88.1 versus 88.2). However, there was a small but significant difference ...
Meeting Document : WG-FSA-14/63 : Author(s): M.H. Pinkerton, C. Ó Maolagáin, J. Forman and P. Marriott (New Zealand)
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Predation release of Antarctic silverfish (Pleuragramma antarctica) in the Ross Sea
half a million. It has been suggested that predation release of Antarctic silverfish (Pleuragramma ... , consumption rates and diets of toothfish and Adélie penguins over the Ross Sea shelf as a first test of the ... they consume only a small proportion of silverfish (1.9–5.1% by mass) over the southern Ross Sea shelf ... toothfish could affect Adélie penguins in the Ross Sea. The MTI analysis found only a weak link between ...
Meeting Document : WG-EMM-15/53 : Author(s): M.H. Pinkerton, P. Lyver, D. Stevens, J. Forman, R. Eisert and S. Mormede (New Zealand).
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Estimates of abundance of Dissostichus eleginoides and Champsocephalus gunnari from the random stratified trawl survey in the waters surrounding Heard Island in Division 58.5.2 for 2019
design and the duration of the hauls were similar to recent surveys, but with a new set of randomly ... higher than last year’s catch even though less than a third of the stations were completed in Gunnari ... spp. remained at a high level and the estimate for L. squamifrons remained as low as it was for the ... (283) and a number of other species, and 466 toothfish were tagged and released. Author(s): G.B ...
Meeting Document : WG-FSA-2019/03 : Author(s): G.B. Nowara, T.D. Lamb and P. Ziegler
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Predation release of Antarctic silverfish in the Ross Sea: how sensitive is the conclusion to uncertainties in the diet of Antarctic toothfish over the shelf?
half a million. It has been suggested that predation release of Antarctic silverfish (Pleuragramma ... , consumption rates and diets of toothfish and Adélie penguins over the Ross Sea shelf as a first test of the ... toothfish stomachs showed that toothfish consume only a small proportion of silverfish (1.9–5.6%W i.e. by ... in the Ross Sea. The MTI analysis found only a weak link between changes in toothfish biomass and ...
Meeting Document : WG-FSA-15/41 : Author(s): M.H. Pinkerton, P. O’B. Lyver, D.W. Stevens, J. Forman, R. Eisert and S. Mormede (New Zealand)
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Killer whale Orcinus orca and sperm whale Physeter macrocephalus interactions with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic
observations. A high inter-vessel variation was noted for interactions with both species. Geographic plots of ... interactions occurred over a wide geographic range and were mostly dependent on the extent of fishing effort on ... . Interactions with sperm whales followed a similar pattern occurring most often in the afternoon, while very few ... rates indications are that depredation by sperm whales can lead to a drop-off in catches. During hook ...
Meeting Document : WG-FSA-03/27 : Author(s): M.G. Purves (United Kingdom), D.J. Agnew (United Kingdom), E. Balguerías (Spain), C.A. Moreno (Chile) and B. Watkins (South Africa)