Résultats de la recherche
-
Monitoring results of marine debris at Cape Shirreff, Livingston Island during the 1995/96 Antarctic season
total of 4 251 articles with a total weight of 65.8 kg were obtained. As occurred in previous seasons ... , the plastic was the principal item (4 015 pieces) with a 94.45%; followed by glass (147 pieces), 3.46 ... %; metal (77 pieces), 1.81%; and paper (12 pieces), with a 0.28% From the plastic item, those used in ... buildt their nests. On the other hand, four specimens of Arctocephalus gazella were observed with neck ...
Meeting Document : CCAMLR-XV/BG/27 : Auteur(s): Delegation of Chile
-
Genetic population structure of the mackerel icefish, Champsocephalus gunnari, in Antarctic waters
, with the proportion of polymorphic loci, P = 0.175, mean heterozygosities per locus, HL = 0.058, and ... expectations, with significant deviations due exclusively to heterozygote deficiencies. Genetic differentiation ... % of the total gene diversity was due to the within-population component, with progressively higher ... between population values with increasing geographic separation. Samples from Heard Island were most ...
Meeting Document : WG-FSA-91/22 : Auteur(s): G.R. Carvalho and M. Warren (United Kingdom)
-
Analysis of variables influencing finfish by-catch in the krill fishery in Area 48
(lanternfish) and Channichthyidae (icefish) with lower levels of Nototheniidae present. The influence of ... associated with the presence of finfish bycatch in the Saga Sea krill fishery for at least one family and ... Subarea specific model, however, the majority of variables were not significantly correlated with the ... abundance of finfish bycatch. This may be partly due to the low numbers of hauls with positive incidences of ...
Meeting Document : WG-EMM-12/28 : Auteur(s): S.M. Martin, T. Peatman, J. Moir Clark (United Kingdom), O.R. Godø (Norway) and R.C. Wakeford (United Kingdom)
-
The Ross Sea cephalopod community: insights from stable isotope analysis
identifications. Generally, squid clustered into two distinct isotopic groups, one with depleted isotope ... signatures typical of feeding on relatively low trophic level prey within the Ross Sea, and the second with ... elevated isotopic signatures typical of feeding on relatively high trophic level prey with some suggestion ... of either movement northwards out of the Ross Sea or of coupling with the benthic system. In contrast ...
Meeting Document : WG-EMM-12/55 : Auteur(s): D.R. Thompson, M.H. Pinkerton, D.W. Stevens (New Zealand), Y. Cherel (France), S.J. Bury (New Zealand)
-
Calculating effective releases and recaptures for stock assessments based on tag detection and tagging mortality indices
by pairing each individual tag release or recapture event with all other fishing events which ... , there were nonetheless significant differences between vessels with respect to the tag detection index ... included in the stock assessment for the Ross Sea region and Amundsen Sea region, with the understanding ... pairwise method utilised an index of tag detection with an arbitrary threshold to determine which tag data ...
Meeting Document : WG-SAM-14/30 : Auteur(s): S. Mormede (New Zealand)
-
Marine debris and entanglements at Bird Island and King Edward Point, South Georgia, Signy Island, South Orkneys and Goudier Island, Antarctic Peninsula 2017/18
Bird Island and two at King Edward Point with no marine mammal entanglements recorded at Signy Island ... or Goudier Island. In total, 70 items of marine debris were found in association with seabird ... colonies at Bird Island, most commonly in association with wandering albatrosses (36 items; 51 %). One ... incidence of an entangled wandering albatross was reported; a bird with a white cable tie around its leg ...
Meeting Document : SC-CAMLR-XXXVII/BG/21 : Auteur(s): C. Waluda
-
Fishery Report: Dissostichus eleginoides Crozet Island inside the French EEZ (Subarea 58.6)
0.13 kg/hook in 2008/09. Effort by month and year from the longline fishery is summarised in Table 3 ... Total 7875 745 4551 2866 8162 13 Table 3: Number of sets by month and year (C2 data). Season ... and STATLANT). Fishing trials with trawlers have not been continued. In Subarea 58.6, the fishery ... has been conducted using longlines from 1996/97 to the present. The fishery was active all year. A ...
Document : Site Section: Publications
-
Seabird by-catch update on industrial Patagonian toothfish fishery in southern Chile
with presumption of occurring seabird incidental mortality. Chile took this responsibility in 2001 and ... southern Chile, a fishery and zone with high probabilities of having significant levels of incidental ... temporal pattern, with very high values from September to December (0.37 to 1.28 birds/1,000 hooks). Main ... Chile, which is being developed during 2004 with the close collaboration of all industrial fishery ...
Meeting Document : WG-FSA-04/13 : Auteur(s): J. Arata, C.A. Moreno and R. Hucke-Gaete (Chile)
-
Report on marine debris collected at Cape Shirreff, Livingston Island, during the 1994/95 Antarctic season
litter at Cape Shirreff was carried out in 1993/94, with a total of 1,754 articles weighing 284.29 kg ... , during the present survey a total of 2,744 articles with 237.7 kg were obtained, indicating that the ... problem of marine debris continue. The plastic was the principal item with a 90.3%; followed by glass, 5.0 ... nests, meanwhile two adult females of Arctocephalus gazella were observed with collars; only one of them ...
Meeting Document : CCAMLR-XIV/BG/24 : Auteur(s): Delegation of Chile
-
Unmanned Aerial Vehicles based monitoring of indicator species populations on King George Island (Subarea 48.1)
compared with the results of measurements taken at the same time from the ground level. During expedition ... eight successful photogrammetry missions (total distance 1500 km) were performed. Images were taken with ... digital SLR Canon 700D, Nikon D5300, Nikon D5100 with a 35mm objective lens. Flights altitude at 350 – 400 ... AGL (Above Ground Level), allowed images to be taken with a resolution GSD (ground sample distance ...
Meeting Document : WG-EMM-15/48 : Auteur(s): M. Korczak-Abshire, A. Zmarz, R. Storvold, M. Rodzewicz, K. Chwedorzewska, A. Kidawa and A. Znój (Poland)