Resultados de la búsqueda
-
Development in maturity stage composition and vertical distribution in an Antarctic krill (Euphausia superba) hotspot
Abstract: Antarctic krill (Euphausia superba) aggregate in various ways depending on a range of ... spawning state is not well described or understood. In the present study, a krill fishing vessel during ... gradual decrease from more than 0.8 to less than 0.3 in the proportion of males relative to females. The ... decrease in subadult males indicates segregation according to demographical composition, and the change in ...
Meeting Document : WG-EMM-14/15 : Autor(es): B.A. Krafft, G. Skaret and T. Knutsen (Norway)
-
Comparing surface and planimetric area across multiple scales and assessing the impact of different data sources on seabed area estimation in research blocks in the CAMLR Convention Area
important for CCAMLR in estimating the fishable biomass of these species in data-poor areas, developing ... surface) is rarely estimated. The aims of this paper are to examine differences in: (1) planimetric seabed ... block (600-1800m included), the region were scaled down further to look at differences in eight depth ... classes and at the finest resolution areas were compared in individual (~500 m x 500m) grid cells within ...
Meeting Document : WG-SAM-15/01 : Autor(es): CCAMLR Secretariat
-
Progress report on the Korean research fishing by longline fishery for Dissostichus spp. in Subarea 88.3 in 2016/17 season
Abstract: Korean research fishing was conducted in Subarea 88.3 from 11 January 2017 to 7 March ... 2017 in 2016/17 fishing season. The total number of fishing days are 38 of 56 days stayed in the ... statistics in Subarea 88.3 were 5.04 and 88%, respectively. Length frequency of D. mawsoni had a single mode ... of 150 cm range. The maturity of D. mawsoni dominated in stage 2 with 84.6 % of female and 73.1% of ...
Meeting Document : WG-SAM-17/28 : Autor(es): S.-G. Choi, J. Lee, J. Lee and D. An
-
A spatial analysis of CEMP data in Area 48 to support work on feedback management in the krill fishery
Abstract: CEMP data from different sites in Area 48 were used to compare patterns of inter-annual ... been collected at an individual site reflect changes in the marine ecosystem. Correlations between ... inter-annual variability of sites in Subreas 48.1 showed an increased level of concordance in the period ... since 2008. Further expert review of the CSIs from individual sites would be helpful in further ...
Meeting Document : WG-EMM-16/09 : Autor(es): CCAMLR Secretariat
-
Fishes in pelagic catches in the vicinity of the South Shetland Island during the 6th Antarctic expedition of rv Kaiyo Maru, 1990/1991
occurrence and abundance of fishes in a total of 102 pelagic hauls for the Antarctic krill were made. Of the ... 102 net hauls, a total of 104 fishes belonging to 4 families and 16 species were captured in 25 tows ... . Juvenile Lepidonotothen larseni was the most abundant (46 individuals; 44.2% in number) and post-larval ... Cryodraco antarcticus was the next (14 individuals; 13.5% in number). The standard length of L. larseni ...
Meeting Document : WG-KRILL-93/50 : Autor(es): T. Iwami, T. Ichii, H. Ishii and M. Naganobu (Japan)
-
Results of scientific observation in Antarctic krill fishery in 2010/11: I. state of observer deployment and data collection
protocol and data collection in krill fisheries in 2010/11. All the 12 krill fishing vessels that operated ... in 2010/11 deployed scientific observers in accordance with the agreed systematic coverage. The ... observer allocation covered all the months and Subareas in which fishing operations were conducted. However ... current state of data collection, mere extension of the observer coverage may not result in the ...
Meeting Document : WG-EMM-12/65 : Autor(es): M. Kiyota and T. Okuda (Japan)
-
Assessment of incidental catches of seabirds in the French EEZ included in Division 58.5.1 and Subarea 58.6
incidental avian mortality by half in the French EEZ included in the statistic division and subarea 58.5.1 ... evolution of avian mortality between 2007 and 2013, ongoing studies and research in the nature reserve of ... monitoring in the Southern French Islands, supervised by the national nature reserve created in 2006 ... . Author(s): C. Marteau (France) Title: Assessment of incidental catches of seabirds in the French EEZ ...
Meeting Document : WG-FSA-13/06 : Autor(es): C. Marteau (France)
-
Pop-off Satellite Tagging in the Ross Sea Region in 2016
Abstract: In 2016, the USA and New Zealand began a collaborative initiative to describe Antarctic ... toothfish (Dissosticus mawsoni) movement and habitat preferences in the Ross Sea (Subarea 88.1) using pop ... -off satellite archival tags (PSAT) tags. Fish were tagged as part of research longline efforts in the ... southern Ross Sea shelf in the austral summer, and 5 PSAT tags were released on the northern seamounts in ...
Meeting Document : WG-FSA-16/57 : Autor(es): C.D. Jones, S.J. Parker, A. Dunn, D. Di Blasi and D. Stevens
-
On acceptable scattering of longlines geo-referencing in the toothfish fishery in the CAMLR Convention Area
toothfish in the Convention Area are discussed. Cases of differences in the coordinates of settings and ... haulings are considered. The estimation of the maximum possible variation of the coordinates in the depths ... haulings increases in the areas with large depths and high velocities of sea currents in the high seas. The ... acceptable scattering of longlines geo-referencing in the toothfish fishery in the CAMLR Convention Area ...
Meeting Document : WG-SAM-2019/22 : Autor(es): O. Krasnoborodko
-
Possibility of predicting sea-ice concentration (SIC) in research block (RB) 48.6-5 (Southern part of Subarea 48.6) using sea surface temperature (SST) in RB 48.6-2 (Northern part of 48.6)
48.6-5 corresponded well with the dynamics of monthly sea surface temperature (SST) anomaly in RB ... 48.6-5. However, in the prediction of SIC in RB 48.6-5 using the monthly SST anomaly ... be used to predict the SIC in 48.6- 5. There is not a strong correlation of SST between ... 48.6-2 and 48.6-5. However there are similar SST positive spikes both in 48.6-2 and 48.6-5 and it is ...
Meeting Document : WG-FSA-2019/49 : Autor(es): T. Namba, R. Sarralde, S. Somhlaba and J. Pompert