Resultados de la búsqueda
-
Crab by-catch in the experimental toothfish pot fishery around South Georgia, 2000
Abstract: Trials of a method of fishing for toothfish using pots were undertaken by FV Argos ... Georgia from March to May 2000. A significant bycatch of crabs was encountered. Paralomis spinosissima ... between Shag Rocks and South Georgia, and highest for P. formosa in deep water north of South Georgia. Few ... crabs (3% of P. spinosissima and 10.5% of P..formosa) were males above the legal size limit and could be ...
Meeting Document : WG-FSA-00/24 : Autor(es): T. Daw, D. Agnew, M. Purves, G. Pilling and C. Yau (United Kingdom)
-
Seabird by-catch and bait loss in longlining using different setting methods
scaring device. Bait loss and the catches of target species and sea birds were compared with those of ... lines set without using such devices. Accidental catches of birds were reduced by both methods, most ... effectively by the sea-bird scarer. Losses of mackerel bait were also significantly reduced by using the ... scarer, but not by using the setting funnel. No increase in the catches of target species was ...
Meeting Document : WG-FSA-96/06 : Autor(es): Løkkeborg, S.
-
Age-length key for Champsocephalus gunnari from Subarea 48.3, Dr Eduardo Holmberg survey, February/March 1994
on the readings of otoliths randomly collected during the R/V Holmberg survey in Feb/Mar 1994. Small ... and medium sized fish (total length 12-33 cm) constituted the bulk of the samples (93%), while larger ... specimens (>33 cm) were scarce. At South Georgia, fish of age groups 1-4 were truly represented; at Shag ... Rocks, a large concentration of fish belonging to age groups 2 (90%) and 3 (10%) was found. The length ...
Meeting Document : WG-FSA-94/11 : Autor(es): E. Barrera-Oro, E. Marschoff and R. Casaux (Argentina)
-
Seabird interactions with long-lining operations during an exploratory fishing cruise for Dissostichus eleginoides to South Sandwich Islands, Antarctica
Abstract: During seven operations involving the setting and hauling of long-lines to catch ... interactions with seabirds were assessed. Bird numbers increased rapidly after dawn and large numbers of Cape ... , giant and storm petrels and smaller numbers of white-chinned petrels and black-browed albatrosses were ... hook; nevertheless these aggregations of birds are clearly potentially vulnerable to setting operations ...
Meeting Document : SC-CAMLR-XII/BG/08 Rev. 1 : Autor(es): Delegations of United Kingdom and Chile
-
Can acoustic methods be used to monitor grenadier (Macrouridae) abundance in the Ross Sea region?
to assess stock status of grenadiers in the Ross Sea and to ensure ecological relationships are ... maintained. There may be potential to use fisheries acoustic methods to obtain estimates of grenadier ... abundance. Acoustic data collected during New Zealand’s International Polar Year Census of Marine Life ... slope are grenadiers. The acoustic target strength distribution of single targets was very similar to ...
Meeting Document : WG-FSA-12/P11 : Autor(es): R.L. O’Driscoll, S.M. Hanchet and B.S. Miller
-
Results from the reduced groundfish survey conducted in CCAMLR Subarea 48.3 in January 2012
. Reasonable catches of Patagonian toothfish were found around Shag Rocks (greater than in 2009 and 2010), with ... three size cohorts of fish identified including evidence of a new cohort of 2+ age fish (29-39cm). Catch ... -weighted length frequencies of mackerel icefish indicated that 2+ and 3+ sized fish dominated at Shag Rocks ... of which may be attributable to icefish, were observed in the water column, and in only 23 hauls 15.2 ...
Meeting Document : WG-FSA-12/37 : Autor(es): J. Brown, S. Gregory, A. Stanworth, V. Carretero, G. Baker and M. Belchier (United Kingdom)
-
Commercial fishing vessel as research vessels in the Antarctic – requirements and solutions exemplified with a new vessel
the harvested stocks and their ecosystems. In this paper we describe the potential of using commercial ... Abstract: The climate-induced changes presently seen in the ecosystems of Antarctic region ... require a precautionary approach with respect to the human use of these ecosystems. In particular ... impacts on the harvested stocks as well as the associated ecosystem. Due to the vastness and remoteness of ...
Meeting Document : WG-EMM-13/15 : Autor(es): O.R. Godø (Norway), C. Reiss (USA), V. Siegel (Germany) and J.L. Watkins (United Kingdom)
-
Progress report on the Weddell Sea Research Program Stage II
presented in the paper. Options I and II of the survey were carried out from February 10 to February 22 ... Abstract: Results of longline survey on Antarctic toothfish in the Weddell Sea (Stage II) are ... , 2014. A total of 34 longlines were set: the Option I – 10+20 and the Option II – 4 at the depths ... ranging from 605 to 2031 m. A total number of hooks – 116 100, area – 13565 km 2. Catch value of the ...
Meeting Document : WG-SAM-14/05 : Autor(es): A.F. Petrov, I.I. Gordeev, S.V. Pianova and E.F. Uryupova (Russia)
-
Progress report on the research fishery for Dissostichus spp. in Subarea 48.6 being jointly undertaken by Japan and South Africa: 2012/13 and 2013/14
reported and achievements for the first two months of the 2013/14 season are briefly mentioned. Over the ... first 14 months of the Research fishery a total of 318 Dissostichus eleganoides and 1660 D. mawsoni have ... been tagged and released, and 31 tagged toothfish have been recaptured. Even though almost 50% of the ... toothfish could be recaptured by the end of the current season to enable a tag-based assessment of the ...
Meeting Document : WG-SAM-14/10 : Autor(es): R. Leslie (South Africa), K. Taki, T. Ichii (Japan) and S. Somhlaba (South Africa)
-
Progress report on the Weddell Sea Research Program Stage II
presented in the paper. Options I and II of the survey were carried out from February 10 to February 22 ... Abstract: Results of longline survey on Antarctic toothfish in the Weddell Sea (Stage II) are ... , 2014. A total of 34 longlines were set: the Option I – 10+20 and the Option II – 4 at the depths ... ranging from 605 to 2031 m. A total number of hooks- 116 100, fishing area – 13565 km 2. Catch value of ...
Meeting Document : WG-FSA-14/03 Rev. 2 : Autor(es): A.F. Petrov, I.I. Gordeev, S.V. Pianova and E. F. Uryupova (Russia)