Résultats de la recherche
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Status of WG-SAM reviews of research plans and research proposals and recommendations for streamlining
submitted under CM 24-01. A total of 34 papers was submitted to WG-SAM-15 for review under this agenda item ... -SAM review of research plans and research proposals, and to suggest a potential mechanism for more ... alone. The large volume of papers, lack of consistent format, lack of clear performance review criteria ... , and the lack of time available at the meeting made a meaningful review of each plan infeasible. To ...
Meeting Document : WG-FSA-15/14 : Auteur(s): Convener of WG-SAM and Chair of the Scientific Committee
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Performance reviews for Regional Fisheries Management Organisations
Author(s): Secretariat Title: Performance reviews for Regional Fisheries Management ...
Meeting Document : CCAMLR-XXVI/BG/10 : Auteur(s): Secretariat
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CEf_v2023 pour les pêcheries de poissons
. CCAMLR codes CCAMLR codes - for finfish fisheries Reporting codes Catch species (listed by major ... murrayi Murray's skate DBN Diomedea dabbenena Tristan albatross D day 16 to day 20 BYE Bathyraja ... albatross B day 11 to day 20 SRX Rajiformes Rays, stingrays, mantas nei DIM Thalassarche melanophris ... petrel TOP Dissostichus eleginoides Patagonian toothfish BZN Bryozoa Bryozoans PRO Procellaria ...
Document : Site Section: Data
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An overview of Southern Ocean zooplankton data: abundance, biomass, feeding and functional relationships (submitted to the 2008 Joint CCAMLR-IWC Workshop)
for differences in the extent of identification of early larval stages. Likewise, the time of year ... Paper Title: An overview of Southern Ocean zooplankton data: abundance, biomass, feeding and ... an enormous amount of data on Southern Ocean (SO) zooplankton, mostly on their distribution with a ... minority addressing rate processes. This review aims to summarise these data and show where it resides, to ... one-half of those above. A change in the view of SO copepods in the last 20 years has followed an ... have faster growth rates for a given size (Clarke and Peck, 1991). This review defines ... , with low energetic costs and an effective mechanism for feeding unselec- tively at low food ... estimated for South Georgia (Watts and Tarling, 2012). Pteropods Pteropods are gastropod molluscs with an ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 171–218 : Auteur(s): A. Atkinson, P. Ward, B.P.V. Hunt, E.A. Pakhomov and G.W. Hosie
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An index of per capita recruitment
recruitment (PCR) is proposed such that where R 1 is the proportion of age-l animals sampled in year y and M ... in mortality and reduction in the proportion of age-l spawners. Introducing year-to-year random ... assumptions that: (i) post-recruit mortality does not vary over age or between years; (ii) 100% of age-l ... years, and when all age-l animals spawn. These conclusions are insensitive to changes in the shape of ... ; M2, M3, Mq . . . the post- recruit mortality rates for age-2, age-3, age-4 ... year classes; and y ... for Ml and c, and a is set to 0.0, PCR underestimates R/S by an average of approximately 30 ... appearing as a large mode at 20 to 30 mm length and in subsequent years as progressively longer length ... years except for the moderate year class of 1990/91. The non-linear transformation of R1 to PCR ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 179–196 : Auteur(s): Hewitt, R
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A first attempt at an assessment of the Patagonian toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands EEZ
Paper Title: A first attempt at an assessment of the Patagonian toothfish (Dissostichus ... eleginoides) resource in the Prince Edward Islands EEZ Abstract / Description: The history of the fishery for ... -per-unit-effort (CPUE) trend. Application of a simple age-structured production model (ASPM) provides ... maximum of about 400 tonnes. Implications for surveillance are discussed. File: 02brandao-etal.pdf ... analyses conducted in this paper. The legal catch indicated for 2001 is an estimate. Year Legal ... 2009 2012 2015 2018 2021 Year Bi om as s (t) 0 400 800 Exploitable biomass projections for base ... for base case (h = 0.6) 20 Brandão et al. Figure 2: Population model fi ts and 20-year ... 2003 2006 2009 2012 2015 2018 2021 Year Bi om as s (t) Exploitable biomass projections for higher ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 11–32 : Auteur(s): Brandão, A., D.S. Butterworth, B.P. Watkins and D.G.M. Miller
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An assessment of toothfish in Subarea 48.3 using CASAL
Paper Title: An assessment of toothfish in Subarea 48.3 using CASAL Abstract / Description: This ... paper presents an assessment of the stock of toothfish around South Georgia (Subarea 48.3) using the ... dynamics is explored using Markov Chain Monte Carlo (MCMC) methods; methods for fast approximations to the ... , long-term yield calculations were undertaken, given the CCAMLR decision rules, for five main assessment ... are undoubtedly rather high for an animal with the longevity of toothfish and its relatively low ... years refer to the fishing season that started in December prior to the year quoted. For example, year ... standard way using the GYM. Clearly, however, such an approach is not suitable in the longer term, if for ... that tag reporting rates are equal to 1. Estimates of recruitment by age and year class are ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 65–95 : Auteur(s): Hillary, R.M., G.P. Kirkwood and D.J. Agnew
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An assessment of the merits of length and weight measurements of Antarctic krill Euphausia superba
an example given to indicate the potential such variation has for introducing error into estimates of ... Paper Title: An assessment of the merits of length and weight measurements of Antarctic krill ... Euphausia superba Abstract / Description: Published relationships of various length measurements as ... stage and moult stage. The range of coefficients and exponents for these relationships are examined and ... coefficients and exponents for these relationships are examined and an example given to indicate the ... potential such variation has for introducing error into estimates of biomass based on acoustic data. An ... - 371 - SC-CAMLR-VI/BG/33 AN ASSESSMENT OF THE MERITS ... ) Abstract Published relationships of various length measurements as predictors of wet or dry weight in ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 371-373 : Auteur(s): Morris D.J., J.L. Watkins, C. Ricketts, F. Buchholz, and J. Priddle
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An assessment of the impact of krill fishery on penguins in the South Shetlands
Paper Title: An assessment of the impact of krill fishery on penguins in the South Shetlands ... Abstract / Description: An assessment of the competition between the Japanese krill (Euphausia superba ... krill catch is very low in December while the catch rate for the following three months is roughly ... constant (3 000 to 10 000 tonnes/10-day period) due to an increase in fishing intensity in areas closer to ... 20 or 30 X 30 n miles from recent surveys (1989/90 and 1990/91). The krill biomass for each of ... respective colonies for chinstraps, 80 km for Adklies and 20 km for gentoos (Everson, 1987; Trivelpiece et ... Shetlands In Subarea 48.1 the Japanese catch has amounted to as much as 80% of the total catch for the ... , krill catches were calculated for each square of 10 minutes latitude by 20 minutes longitude (=l0 X 10 ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 107–128 : Auteur(s): Ichii, T., M. Naganobu and T. Ogishima
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Timing of clutch initiation in Pygoscelis penguins on the Antarctic Peninsula: towards an improved understanding of off-peak census correction factors
: towards an improved understanding of off-peak census correction factors Abstract / Description: Penguin ... . In this paper the authors present an analysis relating to both these challenges. Clutch initiation ... dates for four penguin breeding sites are examined (Cape Shirreff, Admiralty Bay, Humble Island and ... (Pygoscelis adeliae), gentoo (P. papua) and chinstrap (P. antarctica)). A statistical model for determining ... year, and the second is an estimate of the rate of nest attrition following the peak of egg laying ... and date, can be corrected to compensate for nest attrition to obtain an esti- mate of the breeding ... year of measure- ment was included as a third covariate in the final model. Final model for ... involve increasing amounts of uncertainty regarding the estimate of CID. For Method 1, there was an ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 149–165 : Auteur(s): Lynch, H.J., W.F. Fagan, R. Naveen, S.G. Trivelpiece and W.Z. Trivelpiece