Résultats de la recherche

1. Feeding ecology of the two sympatric fish species Notothenia rossii and N. coriiceps from western Antarctic Peninsula: a fatty acids and stable isotopes approach

   useful tool to elucidate the flow of energy and trophic interactions in an ecosystem and to analyse the ... diet of species that are hard to observe while feeding. Herein we compare FA profiles and SI ... composition (nitrogen, δ 15 N and carbon, δ 13 C) of muscle tissue from two sympatric Antarctic fish species ... - Notothenia rossii and N. coriiceps – that are key components in the inshore ecosystem of the South Shetland ...

   Meeting Document : WG-FSA-2019/26 : Auteur(s): E. Moreira, M. Novillo, K. Mintenbeck, E. Barrera-Oro and M. De Troch

2. OCCURRENCE OF DWARF MINKE WHALES (BALAENOPTERA ACUTOROSTRATA SUBSP) AROUND THE ANTARCTIC PENINSULA

   Abstract:  The occurrence of dwarf minke whales (Balaenoptera acutorostrata subsp.) around the ... Antarctic Peninsula was examined based on 406 sightings of minke whales recorded during the Chilean ... Antarctic Scientific Expeditions and other opportunistic cetacean surveys. Identification of the species was ... made only for the whales sighted in the proximity of the vessels when the specific diagnostic ...

   Meeting Document : WG-EMM-11/P2 : Auteur(s): J. Acevedo, C. Olavarría, J. Plana, A. Aguayo-Lobo, A. Larrea and L.A. Pastene

3. A guide to identification of fishes caught along with the Antarctic krill

   Abstract:  A field key to early life stages of Antarctic fish caught along with the Antarctic ... krill is produced. The key includes 8 families and 28 species mainly from the Atlantic sector of the ... , however, it is impossible to discriminate among species of the same family by remarkable characters. A ... species key is not shown for such resemble species and a brief summary of the main morphological features ...

   Meeting Document : WG-EMM-07/32 : Auteur(s): T. Iwami and M. Naganobu (Japan)

4. Green krill, the indicator of micro- and nano-size phytoplankton availability to krill

   Abstract:  Size fractionated chlorophyll-a concentrations of surface seawater was measured (pico ... -, nano-, and micro-size fractions) during commercial krill operations in the waters north of the South ... Shetland Islands from late December, 1991 to mid-February, 1992. The proportion of green krill had ... the importance of micro- and nano-size phytoplanktons in terms of food source for the Antarctic krill ...

   Meeting Document : WG-EMM-98/29 : Auteur(s): S. Kawaguchi, T. Ichii and M. Naganobu (Japan)

5. PREDICTING THE VULNERABILITY OF BENTHIC, HABITAT-FORMING ORGANISMS TO DISTURBANCE USING LIFE-HISTORY CHARACTERISTICS

   Abstract:  Assessing the impacts of fishing on Vulnerable Marine Ecosystems (VMEs) in the Southern ... Ocean is hampered by the paucity of information on the resistance and resilience of these ecosystems to ... disturbance. Both resistance and resilience of individual VME-forming taxa are related to their life-history ... characteristics. A global database of life-history characteristics, including growth rate, age, maximum size and ...

   Meeting Document : WG-EMM-09/35 : Auteur(s): K. Martin-Smith (Australia)

6. FIRST EXPERIMENTAL SETTINGS OF DEEPWATER VERTICAL LONGLINES IN THE ANTARCTIC TOOTHFISH FISHERY DISSOSTICHUS MAWSONI NORMAN, 1937 (PERCIFORMES, NOTOTHENIIDAE) IN THE AMUNDSEN SEA

   Abstract:  For the first time in the history of deepwater longline fishing on Antarctic toothfish ... Dissostichus mawsoni (Norman, 1937) the experimental settings of deepwater vertical longlines was made from the ... Russian longliner Yantar in March, 2008 in the Amundsen Sea (subarea 88.2,D of the Pacific sector). The ... experiments proved that this species, one of the most valuable large commercial species of the South Ocean ...

   Meeting Document : WG-FSA-09/08 : Auteur(s): N.V. Kokorin (Russia) and V.V. Serbin (Ukraine)

7. Possible approaches to the evaluation of the Antarctic krill mortality

   Abstract:  Parameters of the Bertalanfy growth equation for 1928 and 1970–1976 were calculated on ... the base of summaryed data on Krill age groups singled out using method of Harding.Parameters obtained ... recources. As a result of uncertainty in age groups determination were obtained wide ranging values. The ... most real values varied from 0.75 to 1,17. No fishery impact on various parameters of the krill ...

   Meeting Document : WG-KRILL-92/08 : Auteur(s): L.G. Maklygin and V.I. Latogursky (Russia)

8. Revised estimates of the biological parameters for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea

   Abstract:  This report updates the estimates of the biological parameters for Antarctic toothfish ... (Dissostichus mawsoni) in the Ross Sea (Subareas 88.1 and SSRUs 88.2A–B). We present revised estimates of the ... -data for plausible estimates of the steepness parameter of the stock-recruitment relationship and ... recruitment variability of Antarctic toothfish. Author(s):  A. Dunn, P.L. Horn and S.M. Hanchet (New Zealand ...

   Meeting Document : WG-FSA-SAM-06/08 : Auteur(s): A. Dunn, P.L. Horn and S.M. Hanchet (New Zealand)

9. A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2014 random stratified trawl survey

   vicinity of Heard Island during June 2014. This paper provides a preliminary assessment of mackerel icefish ... population structure, abundance and yield for the area of Division 58.5.2 to the west of 79° 20’ E using ... standard CCAMLR methods. A pattern of multiple year classes being present simultaneously in the population ... projected. These projections indicate that catches of 309t in the 2014/15 season and 275t in the 2015/16 ...

   Meeting Document : WG-FSA-14/44 : Auteur(s): D.C. Welsford (Australia)

10. An updated assessment of unicorn icefish (Channichthys rhinoceratus) in Division 58.5.2, based on results from the 2015 random stratified trawl survey

    May 2015. Recent work which is presented here has allowed for many of the biological parameters of ... provides both short (2 years) and long term (20 years) projections of unicorn icefish structure, abundance ... and yield for the area of Division 58.5.2 to the west of 79°20’ E using standard CCAMLR methods. Short ... term projections (20 year) indicate sustainable yield of 1663 t. Author(s):  D. Maschette and J. Dell ...

    Meeting Document : WG-FSA-15/50 : Auteur(s): D. Maschette and J. Dell (Australia)

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