Resultados de la búsqueda
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Age determination of the Antarctic fishes Champsocephalus gunnari and Notothenia rossii from South Georgia
a fish's past history. As part of an effort to study Antarctic fish growth and population ... us to determine that the Champsocephalus gunnari grew 55cm in 17 years and the Notothenia rossii grew ... 55 cm in 7 years. The lack of: the large size groups for Notothenia rossii may be indicative of over ... determined a yearly basis for these species would provide valuable management data. Author(s): R. Radtke ...
Meeting Document : SC-CAMLR-VI/BG/43 : Autor(es): R. Radtke (USA)
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Integrated analysis of the by-catch data in the Ross Sea toothfish fishery
significant varied across years and by SSMU and among longline gear types. The spatial-temporal heterogeneity ... the CCAMLR Article II the following activities are proposed: investigations of spatial-temporal ... . Author(s): S. Kasatkina Title: Integrated analysis of the by-catch data in the Ross Sea toothfish ...
Meeting Document : WG-FSA-16/13 Rev. 1 : Autor(es): S. Kasatkina
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REVISED AGE AND GROWTH ESTIMATES FOR ANTARCTIC STARRY SKATE, AMBLYRAJA GEORGIANA, FROM THE ROSS SEA
growth, greater ages at maturity (about 20 years compared with 6–11 years) and greater maximum ages (28 ... that these skates initially grow very rapidly for about five years, after which growth almost ceases ... –37 years compared with 14 years). Several pieces of circumstantial evidence support the new ... interpretation, but a validation study is required to determine which growth scenario is correct. Author(s): M.P ...
Meeting Document : WG-FSA-08/21 : Autor(es): M.P. Francis (New Zealand) and M.J. Gallagher (Ireland)
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An integrated stock assessment for the Crozet Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Subarea 58.6
season 2018/2019 (End of August 2019). This updated assessment model is based on the best available data ... (Sinègre et al., 2017b), this assessment accounts for (1) updated data (2017/2018 & 2018/2019) (2 ... than the one obtained in 2017, with an estimate of 54 610 tons (48 560-60 880). The estimate of the ... , State-space model, Population dynamic model Author(s): F. Massiot-Granier, G. Duhamel and C. Péron ...
Meeting Document : WG-FSA-2019/57 Rev. 1 : Autor(es): F. Massiot-Granier, G. Duhamel and C. Péron
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An integrated stock assessment for the Kerguelen Island EEZ Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.1
fishery data up to the end of the season 2018/2019 (end of August 2019). The updated assessment model is ... data (2017/2018 & 2018/2019), (2) updated growth parameters, (3) updated priors on YCS and period ... B0 than the one obtained in 2017, with an estimate of 206 200 tons (CI: 194 130 – 218 380). The ... , Patagonian toothfish, State-space model, Population dynamic model Author(s): F. Massiot-Granier, G. Duhamel ...
Meeting Document : WG-FSA-2019/58 : Autor(es): F. Massiot-Granier, G. Duhamel and C. Péron
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Some aspects of the by-catch fish spawning and oogenesis
, D'Urville, Ross and.mundsen Seas) it was established that spawning of C. dewitti and species X ... spawning portion of some large females was only about 1000-1500 yolk oocytes One of the by catch fish ... Antarctic toothfish fishery. Author(s): V. Prutko (Ukraine) and D. Chmilevsky (Russia) Title: Some aspects ...
Meeting Document : WG-FSA-10/51 : Autor(es): V. Prutko (Ukraine) and D. Chmilevsky (Russia)
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Intra-archipelago moult dispersion of southern elephant seals at the Prince Edward Islands, southern Indian Ocean
-tagged seals were yearlings or subadults, and all but one were hauled out at PEI for the annual moult ... PEI, and 80 ± 4% for the simulation. Seasonal and annual absences of seals from MI violate the ... mortality and local migration. Author(s): W.C. Oosthuizen, M.N. Bester, P.J.N. de Bruyn and G.J.G. Hofmeyr ... ‘homogeneity of capture’ assumption of mark–recapture models. When multiple sightings during any year are ...
Meeting Document : WG-EMM-10/P16 : Autor(es): W.C. Oosthuizen, M.N. Bester, P.J.N. de Bruyn and G.J.G. Hofmeyr
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Assessments of by-catch in trawl fisheries at Heard and MacDonald Islands
were 69-97 tonnes (average 80 t), 7-91 1 tonnes (average 325 t) and 50-210 tonnes (average 120 t ... modified for the Heard Island area to allow catches of by-catch species of up to 100 kg in any one haul ... . However, if this level is exceeded by any one of the by-catch species then the 5% rule should be enforced ... . Author(s): de la Mare, W.K., Williams, R., Constable, A. Title: Assessments of by-catch in trawl ...
Meeting Document : WG-FSA-97/30 : Autor(es): de la Mare, W.K., Williams, R., Constable, A.
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Results of 2016 pop-off satellite archival tagging of Antarctic toothfish in the Ross Sea region
in the southern Ross Sea, data from two tags were reported via Argos (one with full data, one with ... objectives were to characterize movement and habitat preferences, compare two different commercially ... after the 2015/16 toothfish fishing season had ended. A total of 10 PSAT tags from two manufacturers ... partial). On the northern seamounts, two of 3 PSAT tags scheduled to pop-off on February 1, 2017 reached ...
Meeting Document : WG-SAM-17/33 : Autor(es): C.D. Jones and S.J. Parker
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DNA barcoding highlights a cryptic species of grenadier (genus Macrourus) in the Southern Ocean
same Ross Sea region specimens classified individuals into two groups: one with 9 pelvic fin rays, pale ... recognized in the Southern Ocean and one in cold temperate to Arctic waters in the North Atlantic Ocean. DNA ... the Ross Sea region, and provisionally identified as M. whitsoni, were divided into two COI haplotypes ... M. whitsoni from the Ross Sea region provided strong evidence for two sympatric species: M. whitsoni ...
Meeting Document : WG-FSA-10/33 : Autor(es): P.J. Smith (New Zealand), D. Steinke (Canada), P.J. McMillan, A.L. Stewart, S.M. McVeagh (New Zealand), J.M. Diaz De Astarloa (Argentina), D. Welsford and R.D Ward (Australia)