Résultats de la recherche
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Assessment of Patagonian toothfish (Dissostichus eleginoides) in Subarea 48.4
tonnes in 2019/20 and 2020/21 is consistent with the application of the CCAMLR harvest control rule ... Abstract: This paper describes an updated CASAL based assessment of Patagonian toothfish (D ... . eleginoides) in Subarea 48.4. The assessment data are updated with the observations for the 2017/18 season and ... fits. Stock projections indicate that the stock was at 67% of B 0 in 2018/19 and that a yield of 27 ...
Meeting Document : WG-FSA-2019/29 : Auteur(s): T. Earl and E. MacLeod
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Annual variation in breeding biology of gentoo penguins, (Pygoscelis papua) at Bird Island, South Georgia
-year period (1986-1988) at Bird Island, South Georgia, with particular reference to birds of known age ... supply and chick growth. Chicks left the colony for the first time between 75 and 85 days of age. The ... varied annually, and with age of the breeding bird, nest location and, in one year, with laying date ... -3.4 days. Chicks creched when 25-30 days old. and this varied between years. possibly related to food ...
Meeting Document : WG-CEMP-90/38 : Auteur(s): T.D. Williams (United Kingdom)
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Updated description of Patagonian toothfish (Dissostichus eleginoides) tagging and ageing programs in Division 58.5.2, 1997–2015
an additional 2559 estimates of age, for fish captured during the 2014 and 2015 Random Stratified ... previous maximum age estimate of 42 years. These data have been used to develop age length keys and a ... consistently above 80% since 2012. Vessels have also explored new fishing grounds over recent seasons ... revised growth function for inclusion in the 2015 revised stock assessment. Author(s): D.C. Welsford, B ...
Meeting Document : WG-FSA-15/55 : Auteur(s): D.C. Welsford, B. Farmer, T.D. Lamb, C. Péron, E. Woodcock and P.E. Ziegler (Australia)
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Contribution to the early life history of Channichthyidae from the Bransfield Strait and South Georgia
summer season. The results presented above, combined with the published data on the length and age of ... reported for C. gunnari. and Chaenocephalus. Available data on the age of the adult fish are not complete ... length in individual length/age groups /Fig. 11/, allow for the preliminary age-length determination ... Abstract: Age and early growth of 5 species of Channichthyidae / Champsocephalus gunnari ...
Meeting Document : CCAMLR/86/FA/08 : Auteur(s): W. Ślósarczyk (Poland)
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Progress report on the scientific data compilation and analyses in support of the planning of a potential Marine Protected Area (MPA) east of the zero meridian in the Weddell Sea (Antarctica)
of Domain 4 for submission to the Commission in 3 to 4 years. Work on this project commenced with an ... resources and marine biodiversity. During the Commission meeting of 2018, a proposal was made by Norway on ... an approach to facilitate progress on the further development of the Weddell Sea MPA (WSMPA) proposal ... modelling approaches and the project timeline (milestones and deliverables) to July 2020. Author(s): G ...
Meeting Document : SC-CAMLR-38/BG/14 : Auteur(s): G. Griffith, T. Hatterman, A. Høgestøl, Y. Kasajima, A. Lowther, S. Moreau, B. Njaastad, P. Koubbi, C. von Quillfeldt, T. Brey, K. Teschke and O.A. Bergstad
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Preliminary assessment of mackerel icefish Champsocephalus gunnari in Subarea 48.3 – Based on the 2019 Groundfish Survey
tonnes) within Statistical Subarea 48.3. Projections for the 2019/20 and 2020/21 seasons applying the ... CCAMLR harvest control rule lead to catch limits (TAC) of 3,225 tonnes for 2019/20 and 2,132 tonnes for ... 2020/21. Author(s): T. Earl Title: Preliminary assessment of mackerel icefish Champsocephalus gunnari ... in Subarea 48.3 – Based on the 2019 Groundfish Survey Microsoft Word File: fsa-2019-30.docx Approval ...
Meeting Document : WG-FSA-2019/30 : Auteur(s): T. Earl
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IDENTIFYING PATTERNS IN DIET OF MACKEREL ICEFISH (CHAMPSOCEPHALUS GUNNARI) AT SOUTH GEORGIA USING BOOTSTRAPPED CONFIDENCE INTERVALS OF A DIETARY INDEX
confidence intervals for an index of relative importance (% IRIDC) of prey categories. Diet varied ... following year (2005). This may have been a result of mortality of age 2+ and 3+ fish, which were more krill ... significantly between years and age classes but there was little regional difference in diet. In general diet ... was followed by a large reduction (> 80%) in the estimated annual biomass of C. gunnari the ...
Meeting Document : WG-FSA-08/29 : Auteur(s): C.E. Main, M.A. Collins, R. Mitchell and M. Belchier (UK)
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Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Signy Island, South Orkney Islands 1999/2000
seals wearing neck collars of man-made debris. One additional sighting was of an animal that had been ... second lowest recorded, a decrease of 20% compared to the previous year. At Bird Island, packaging bands ... Island,South Orkney Islands are reported for the 1999/2000 summer season. There were five sightingsof ... that the majority of fur seals arriving at Signy Island had been entangled for sometime and had likely ...
Meeting Document : SC-CAMLR-XIX/BG/03 : Auteur(s): Delegation of the United Kingdom
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Preliminary study on the breedings of chinstrap and gentoo penguins at Barton Peninsula, King George Island
following years. Some suggestion for the further research in this rookery are also mentioned. Author(s): H ... CCAMLR standard method. A total of 96 nests for chinstraps and 121 nests for gentoos were monitored to ... . December and 25, December respectively for gentoos and chinstraps. The number of chicks per nest which were ... raised successfully to the creche stage was used as a measure of breeding success. Of the whole nests ...
Meeting Document : WG-CEMP-93/23 : Auteur(s): H.-C. Shin and S. Kim (Republic of Korea)
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Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Bird Island, South Georgia during the 1998 winter and 1998/99 pup-rearing season
highest total of 1988/89. Overall occurrence of entanglement in summer and winter is still down by 80-90 ... Georgia for the ninth consecutive winter (1998) and eleventh consecutive summer (1998/99) are reported ... here. The number of seals observed entangled in the winter (13) represented an 86 % increase on the ... 1997 winter total and an 87 % decrease on the highest previous total (1992). The proportion of animals ...
Meeting Document : SC-CAMLR-XVIII/BG/05 : Auteur(s): Delegation of the United Kingdom