Résultats de la recherche
-
Surface water masses, primary production, krill distribution and predator foraging in the vicinity of Elephant Island during the 1989-90 austral summer
of it. A second front was apparent at the eastern side of the study area and was tentatively ... size mode of small, reproductively mature females and immature males was sampled in January and ... in February. As a consequence, overall mean size increased from 41.8 mm in January to 44.3 mm in ... ). Examination of interrelations between the various physical and biological components measured in the study ...
Meeting Document : WG-CEMP-90/11 : Auteur(s): A.F. Amos, J.L. Bengtson, O. Holm-Hansen, V.J. Loeb, M.C. Macaulay and J.H. Wormuth (USA)
-
A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2014–15
biological characteristics of the catch of Antarctic toothfish up to and including the 2015 season. In 2015 ... distributed across the three SSRUs (73% in 88.1H, 22% in 88.1K and 5% in 88.1I). As in recent years, the ... changes in CPUE that were not consistent with biologically driven changes in abundance and are considered ... not to be indexing abundance. Length frequency distributions of Antarctic toothfish in the Ross Sea ...
Meeting Document : WG-FSA-15/36 : Auteur(s): K. Large, S.M. Hanchet and S. Mormede (New Zealand)
-
Revised research plan for the exploratory longline fishery for Dissostichus spp. in 2012/13 Subarea 48.6 and Divisions 58.4.1, 58.4.2 and 58.4.3a (this is a revision of WG-SAM-12/09)
Abstract: The research fishing proposal for Dissostichus spp. in Subarea 48.6 and Divisions ... 58.4.1, 58.4.2 and 58.4.3a is resubmitted following paragraph 3.24 of WG-SAM-12. In the present proposal ... data, and secondly showed the results of biological features with some discussion of life history in ... operations in the 2012/13 season for all vessels. Catch and efforts were active in two areas in the north of ...
Meeting Document : WG-FSA-12/60 Rev. 1 : Auteur(s): Delegation of Japan
-
Research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Subarea 48.6
began in 2013 in data-poor fisheries. In the present report, catch, effort and biological data recorded ... by all effective vessels were analyzed for the improvement of stock assessment in the research blocks ... . Based on the result, the next three-season (2016-18) research plan in Subarea 48.6 is also presented ... using the CPUE method (using Division 88.2H as a reference area) for Dissostichus mawsoni in block ...
Meeting Document : WG-SAM-15/06 : Auteur(s): Delegation of Japan
-
Results of the sixth Ross Sea shelf survey to monitor abundance of sub-adult Antarctic toothfish in the southern Ross Sea, January 2017
abundance from a well-designed survey could be a useful input into the Ross Sea stock assessment model. In ... this paper we provide results of the sixth annual survey in the time series. The objectives of this ... survey included monitoring sub-adult (≤ 110 cm TL) toothfish in the south of SSRUs 881.J and 881.L in the ... southern Ross Sea (Strata A–C) using standardised gear in a standardised manner; and monitoring trends in ...
Meeting Document : WG-SAM-17/01 : Auteur(s): K. Large, L. Robinson and S. Parker
-
Reports on biological information of toothfish with special reference to bycatch, depredation and spawning dynamics in Division 58.4.4 a & b by Shinsei maru No. 3 during 2008–14 seasons
, depredation and spawning dynamics in Division 58.4.4 a & b during 2008-14 seasons in response to the ... recommendations in the last WG-SAM meeting and their related issues. D. eleginoides (TOP) was highest both in ... /genus occurred in Division 58.4.4a & b. Grenadiers (GRV) showed the second highest catch and was ... widely spread in the division as TOP, but the proportion in number to the whole species/genus (17%) was ...
Meeting Document : WG-FSA-15/21 : Auteur(s): K. Taki and T. Ichii (Japan)
-
A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2003/04
Abstract: An exploratory fishery for Antarctic toothfish (D. mawsoni) has been in operation for ... seven seasons in Subarea 88.1 and for three seasons in Subarea 88.2. A large amount of data on toothfish ... different to earlier reviews of the exploratory fishery. In the first instance, it reports catches by the ... fishing in the area, whereas previous reports included data from only New Zealand vessels; and thirdly ...
Meeting Document : WG-FSA-04/20 : Auteur(s): S.M. Hanchet, M.L. Stevenson, N.L. Phillips and P.L. Horn (New Zealand)
-
Microincrement analysis in otoliths of Notothenia rossii fingerlings from the South Shetland Islands to estimate early life history timings and to validate annulus formation
Abstract: In this study, otolith microstructure analysis on 7 blue phase fingerlings and 26 brown ... phase fingerlings selected from a total sample of 364 early juveniles caught mainly in summer from 2003 ... timings and to validate annulus formation. Although in the literature it has been reported that N. rossii ... in the South Shetland Islands hatches in spring, our daily ring back counting in otoliths from the ...
Meeting Document : WG-FSA-12/04 : Auteur(s): E. Barrera-Oro (Argentina) and M. La Mesa (Italy)
-
IMPLEMENTATION OF FISHERY CONSERVATION MEASURES IN 2009/10
Abstract: Table of Contents Topic Page Introduction 1 Fisheries in 2009/10 1 Fishery monitoring 3 ... under CM 22-06 5 Notifications made under CM 22-07 6 Research hauls in exploratory fisheries 6 ... CM 21-03 8 Scientific research notifications 8 Appendix 1: Catch limits and total reported catches in ... notified to Members in November 2009 (COMM CIRC 09/120, SC CIRC 09/61), and the CMs became binding in May ...
Meeting Document : CCAMLR-XXIX/BG/10 : Auteur(s): Secretariat
-
A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2006/07
years in Subarea 88.1 and for five years in Subarea 88.2. This report summarises the large amount of ... data collected on toothfish and the associated bycatch by all vessels participating in the fishery. All ... SSRUs in the two subareas except for 881D and 882C have now been fished. The 2007 D. mawsoni catch was ... being slightly exceeded in the 2006 season, and two catch limits exceeded in the 2007 season. Although ...
Meeting Document : WG-FSA-07/28 : Auteur(s): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)