Resultados de la búsqueda
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Preliminary results of a feeding trial on the blue-eyed shag Phalacrocorax atriceps
. The otoliths identified in pellets were affected by the digestive process and consequently the fish ... species were differentialy underrepresented in number and size (length/mass). Except Gobionotothen ... gibberifrons and Nototheniops nudifrons all the species were underestimated in number (N. rossii fully). G ... that experimentally observed in other not antarctic shag species. Algae and ploychaetes were found in ...
Meeting Document : WG-CEMP-94/29 : Autor(es): R. Casaux, M. Favero, E. Barrera-Oro and P. Silva (Argentina)
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A brief outline of the biology of the Antarctic silverfish, Pleuragramma antarcticum Boulenger, 1902 (Nototheniidae) from the Antarctic Indian Ocean
species in the outer waters of Antarctica. In the Indian sector of the Southern Ocean there are at least ... three relatively isolated groups. Fish aged from 0+ to 3+ years live in the epi- mesopelagic zone where ... when they reach 13-16 cm in length and 4-6 years of age. Males reach maturity at 12-18 cm in length and ... highest for high-latitude Antarctic fish. Spawning occurs in the winter-spring period. P. antarcticum is a ...
Meeting Document : WG-FSA-92/11 Rev. 1 : Autor(es): V.V. Gerasimchuk (Ukraine)
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Report on Argentine CCAMLR Subarea 48.3 survey: fish
Abstract: Information on biological aspects of the finfish catches obtained in the survey of BIP ... Dr. E L Holmberg, conducted around Shag Rocks and the South Georgias Islands in April-May 2013, is ... in the shelf of the South Georgias Islands. Total lengths ranged from 4 to 55 cm, 7 to 63 cm, 9 to 51 ... structure, in a relation 1:1 in all the species analyzed. Two length-weight relationships were estimated for ...
Meeting Document : WG-FSA-13/62 : Autor(es): A. Zavatteri and A. Giussi (Argentina)
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Comparison of age readings by two otolith preparation techniques and readers
were exchanged between Russia and New Zealand ageing programmes to compare consistency in ages ... resulting four-way comparison enabled differences in preparation method to be distinguished from differences ... in interpretation of otolith banding patterns. Results suggest broad agreement in ages determined by ... each reader and with each method. However, there were enough inconsistencies in preparation technique ...
Meeting Document : WG-FSA-14/53 : Autor(es): S.J. Parker (New Zealand), A.F. Petrov (Russia), C.P. Sutton (New Zealand) and E.N. Kuznetsova (Russia)
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Report on 2015 Activities of the Southern Ocean Observing System relevant to the work of CCAMLR
Abstract: The Southern Ocean Observing System was established by SCAR and SCOR in 2011 and has ... been steadily developing its work. In this paper, we summarise the outcomes of strategic planning over ... will be important to CCAMLR in providing data relevant to conservation and fisheries in different parts ... . These are described more fully in the paper. In conclusion, we discuss the value of developing a ...
Meeting Document : WG-EMM-15/61 : Autor(es): A. Constable (Australia), O.R. Godø (Norway) and L. Newman (SOOS)
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Diet composition of Antarctic toothfish
Abstract: To identify the important prey items for pre-recruit Antarctic toothfish in the SSRUs ... fishing vessel. In the previous studies, similarities in total FA compositions and the FA profiles in ... muscle tissue of Antarctic toothfish, bycatch specimen and icefish in the stomachs indicated a trophic ... connection between the toothfish and icefish. In this study, similarities in the δ13C values δ15N values of ...
Meeting Document : WG-FSA-16/06 : Autor(es): Delegation of the Republic of Korea
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SC-CAMLR-XXXIII
coverage in the krill fishery Delegation of Ukraine CCAMLR-XXXIII/18 Modification of Conservation Measure ... 51-06 proposed in order to increase scientific observation coverage in krill fisheries Delegation of ... areas (MPAs) in accordance with the Conservation Measure 91-04 Delegation of Japan SC-CAMLR-XXXII/07 Rev ... MPA Delegation of Russia SC-CAMLR-XXXIII/02 Designation of an MPA in East Antarctica Delegation of ...
Meeting
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Beach debris survey – Main Bay, Bird Island, South Georgia 1999/2000
items collected in 1998/99, but is consistent with numbers in years prior to the 1998/99. A dramatic ... increase (310%) in the number of items collected over winter (April- September) from 41 items in 1998/99 to ... 168 items in 1999/2000 and a 40% increase in the number of items collected during summer reflect a ...
Meeting Document : SC-CAMLR-XX/BG/02 : Autor(es): Delegation of the United Kingdom
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Modifications to the Generalised Yield Model: updated input of recruitment time series data and annual fishing selectivity functions
series from survey data for each value of natural mortality used in the assessments, whenever it is ... altered over the range of uncertainty in M factored into the assessment process. Data from outputs from ... mixture analyses from surveys are input to the GYM in raw form. An example file is provided. Consequently ... inputting to the GYM. In addition, provision is now made for inputting different fishing selectivity ...
Meeting Document : WG-FSA-01/74 : Autor(es): A.J. Constable (Australia)
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Examination of the CCAMLR toothfish GLM
CPUE in Subarea 48.3 are investigated. Problems with crossover between the essentially summer fishery ... nationalities, coupled with the existence of the experimental fishery in 1994, lead us to suggest that future ... analyses should be restricted to GLMs based on winter data alone. Unfortunately, this does result in there ... different sizes on the shelf slope. A winter GLM is described which includes a depth factor, and is used in ...
Meeting Document : WG-FSA-98/35 : Autor(es): G.P. Kirkwood and D.J. Agnew (United Kingdom)