Résultats de la recherche
-
Revised proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2016 and 2017
estimating the relative abundance of sub-adult (<110 cm TL) toothfish in the core strata (A, B, C) in ... SSRUs 88.1J and 88.1L so as to provide a time series of recruitment of toothfish. This is a continuation ... of the time series of CCAMLR-sponsored research surveys of these strata carried out from 2012–2015 ... . Following the recommendations of WG-FSA and WG-EMM, an additional secondary survey objective has been ...
Meeting Document : WG-FSA-15/34 : Auteur(s): S.M. Hanchet, S.J. Parker, S. Mormede and R.J.C. Currey (New Zealand)
-
Some properties of diagnostics of GLMM model tuning for standardising CPUE indices in the Area 48 using the CCAMLR fishery statistics database
Abstract: The data of krill fishery in Subarea 48 for 1986 – 2008 presented to CAMLR database by ... with random effects (GLMM). The analysis of diagnostics of GLMM tuning indicated that the model with ... Tweedie’s distribution satisfactorily describes the set of data collected in Subareas 48.1, 48.2 and 48.3 ... residuals significantly deviated from the normal distribution. The number of krill hauls, where Pearson’s ...
Meeting Document : WG-EMM-11/44 : Auteur(s): P. Gasyukov and S. Kasatkina (Russia)
-
Summary of the work of the CEP on Marine Protected Areas
“Summary of the Work of the CEP on Marine Protected Areas”. This paper reports on the development of the ... regarding the review of proposals for potential MPAs. This paper reviews and summarizes CEP meeting reports ... topic of Marine Protected Areas (MPA’s) in discussions of the Committee for Environmental Protection ... management of Antarctic marine biodiversity would generally be best led by SC-CAMLR. However, this did not ...
Meeting Document : WS-MPA-11/04 : Auteur(s): Antarctic Treaty Secretariat, c/o Dr P. Penhale, CEP Representative to the CCAMLR MPA Workshop
-
Stones in toothfish stomachs: an unusual source of geological information from closed regions of Antarctic shelf and slope
Abstract: The rocks from stomachs of Dissostichus mawsoni were used as a source of geological ... stones may be used for geological description of the closed areas of Antarctic shelf and slope. In this ... respect, Dissostichus mawsoni may be considered as a «dredge» with a wide area of sampling. Preliminary ... analyses allow qualitative estimation of geological structure of Antarctic shelf and continental slope in ...
Meeting Document : WG-FSA-07/58 : Auteur(s): N.V. Kokorin, D.S. Klucharev and M.A. Sukhoruchenkov (Russia)
-
Preliminary assessment of mackerel icefish (Champsocephalus gunnari) in the vicinity of Heard Island and McDonald Islands (Division 58.5.2), based on a survey in July 2007, using the generalised yield model
-term annual yield in the 2007/2008 CCAMLR season. This paper provides a preliminary assessment of yield ... Abstract: A survey of mackerel icefish, Champsocephalus gunnari, was undertaken in Division ... 58.5.2 in the vicinity of Heard Island in July 2007 to provide the information for an assessment of short ... for the area of Division 58.5.2 to the west of 79o 20’ E using standard CCAMLR methods. Evidence of ...
Meeting Document : WG-FSA-07/47 : Auteur(s): D.C. Welsford (Australia)
-
Structure and distribution of the slope fish community in the vicinity of the sub-Antarctic Prince Edward Archipelago
(depth range 200-1500 m) of the sub-Antarctic Prince Edward Islands and surrounding sea rises have been ... investigated during the pilot survey conducted in April 2001 onboard fishing vessel MV Ibis. A total of 56 fish ... taxa were collected during the survey, of which 43 were identified to species level, 8 to the genus ... sampling depth and near-bottom temperature explained 56% of both total fish CPUE and diversity variation ...
Meeting Document : SC-CAMLR-XXIII/BG/20 : Auteur(s): Delegation of South Africa
-
The efficacy of video-based electronic monitoring technology for at-sea monitoring of the halibut longline fishery
Abstract: This project involved the large-scale deployment of electronic monitoring (EM) systems ... on the 2002 British Columbia halibut longline fishery to evaluate the feasibility of EM as an ... involving 19 fishing vessels, providing about 700 usable sets, 1,000 hours of imagery, and 350,000 observed ... groupings, and the 15 fish most abundant species accounted for 98% of the catch. Data from fishing trips ...
Meeting Document : WG-FSA-03/100
-
The rate of incidental mortality of birds in the IUU longline fishery in Subarea 48.3
Abstract: Information on the rates of incidental mortality of birds experienced by IUU vessels is ... large number of birds were caught and when the implementation of mitigation measures was low, to ... estimates of IUU bird catch rates for use in our analysis of the impact of IUU fishing in Subarea 48.3 (WG ... -FSA-02/4). Author(s): D.J. Agnew and G.P. Kirkwood (United Kingdom) Title: The rate of incidental ...
Meeting Document : WG-FSA-02/5 : Auteur(s): D.J. Agnew and G.P. Kirkwood (United Kingdom)
-
Distribution, biological characteristic and biomass of icefish from the results of inventory trawling survey carried out by STM-8390 Atlantida in January–March 2002
Abstract: Results of the inventory trawling survey of icefish carried out by Russian vessel STM ... foraging. Champsocephalus gunnary 22-28 cm in length at the age of 2-3 predominated on all grounds of the ... Subarea, except the north-eastern part. During the survey, specimens 15 cm in length at the age of 2 ... prevailed in pelagic catches. Peculiarity of Ch. gunnary biology in 2002 consisted in high internal fatness ...
Meeting Document : WG-FSA-02/79 : Auteur(s): Zh.A. Frolkina and P.S. Gasiukov (Russia)
-
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 ... ) fish tended to prey on a higher proportion of T. gaudichaudii and small euphausids such as Thysanoessa ... sp. and took smaller quantities of E. superba. In a season of poor krill availability (summer of 2003 ... -2004) the proportion of krill in the diet, stomach fullness and fish condition (indicated by length ...
Meeting Document : WG-FSA-08/29 : Auteur(s): C.E. Main, M.A. Collins, R. Mitchell and M. Belchier (UK)