Resultados de la búsqueda
-
Competition-mediated prey availability drives Adélie penguin (Pygocelis adeliae) chick size, mass and condition at colonies of differing size in the southern Ross Sea
interactions between them, is a key component in understanding the factors driving changes in animal ... foraging. In addition, we show that in some cases, increased intraspecific competition may be a more ... food webs may affect changes in Adélie penguin populations in the Ross Sea and elsewhere. Author(s ... , mass and condition at colonies of differing size in the southern Ross Sea Approval: Approved ...
Meeting Document : WG-EMM-13/31 : Autor(es): A.L. Whitehead (Australia), P. O’B. Lyver (New Zealand), G. Ballard (USA), K. Barton, B.J. Karl (New Zealand), D.G. Ainley, K. Dugger, S. Jennings (USA), A. Lescroël (France) and P.R. Wilson (New Zealand)
-
Considerations for research plan design and implementation in data-poor fisheries
of research plans in data poor fisheries submitted under CMs 21-02 and 24-01 in 2011 and in 2012. We ... implementation issues raised during research plan design and evaluations. Our aim is to streamline the review ... biological risks arising from uncertainty in the research implementation process. Author(s): S.J. Parker, B ... implementation in data-poor fisheries Approval: Approved ...
Meeting Document : WG-SAM-13/37 : Autor(es): S.J. Parker, B. Sharp, A. Dunn (New Zealand) and K. Taki (Japan)
-
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)
of very small proportion of immature fish. Highest GSI for D. mawsoni in March over years was ... 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 ...
Meeting Document : WG-FSA-12/60 Rev. 1 : Autor(es): Delegation of Japan
-
Change-in-ratio and index-removal methods for population assessment and their application to snow crab (Chionoecetes opilio)
Abstract: Change-in-ratio and index-removal estimators are presented in a general form suitable ... for fisheries studies. We also show how to combine the two approaches in a single estimator. It is ... composition, in order to use these methods. We use the methods to estimate the population of legal-size snow ... crabs (Chionoecetes opillio) in St. Mary's Bay, Newfoundland, before and after the fishery, and to ...
Meeting Document : WS-CRAB-93/10 : Autor(es): X. Xu, E.G. Dawe and J.M. Hoenig (USA)
-
A proposal for a standardised survey for Antarctic toothfish in McMurdo Sound
mammalian predators in the area. Age composition, physiology, and diet objectives can be met with the ... through the annual sea ice in McMurdo Sound to monitor the age composition, diet, maturity, and local ... abundance of Antarctic toothfish. A pilot season was carried out in 2014, where sampling gear and ... methodology for a standardised hook and line survey were trialled in McMurdo Sound. Data collected will be ...
Meeting Document : WG-FSA-15/33 : Autor(es): S.J. Parker, S.M. Hanchet and S. Mormede (New Zealand)
-
TROPHIC OVERLAP OF WEDDELL SEALS (LEPTONYCHOTES WEDDELLI) AND ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN THE ROSS SEA, ANTARCTICA
observations, animal-mounted camera information, and observations from field scientists in the McMurdo Sound ... prey) will vary between different life history stages at different times of the year in different areas ... item for Weddell seals in the Ross Sea. • We summarise the life history of Weddell seals to provide an ... evidence that Antarctic toothfish have lower densities near to seal breeding colonies in McMurdo Sound than ...
Meeting Document : WG-EMM-08/43 : Autor(es): M.H. Pinkerton, A. Dunn and S.M. Hanchet (New Zealand)
-
Review of rattail and skate by-catch and analysis of rattail standardised CPUE from the Ross Sea toothfish fishery in Subarea 88.1 from 1997/98 to 2001/02
raised by the 2001 CCAMLR bycatch subgroup, the processes for recording bycatch in this fishery were ... Abstract: Little is known about the bycatch of skates, rays and macrourids in the target longline ... fishery for toothfish in the Ross Sea. Following concerns about the accuracy of reporting of bycatch ... macrourid bycatch in this fishery. The review of data suggest that the toothfish fishery has not yet had a ...
Meeting Document : WG-FSA-02/40 : Autor(es): R.G. Blackwell and S.M. Hanchet (New Zealand)
-
Parasites of the Antarctic toothfish (Dissostichus mawsoni Norman, 1937) (Perciformes, Nototheniidae) in the Pacific sector of the Antarctic
species of commercial fisheries in the Antarctic. It is an endemic and is found along the shelf of ... Antarctica, as well as on the slopes of seamounts, underwater elevations and islands in the sub-Antarctic. It ... , whose final hosts are whales, seals, large rays and sharks. This article presents new data on toothfish ... infection in the Pacific sector of the Antarctic. Specimens were examined during commercial longline fishing ...
Meeting Document : WG-EMM-16/P05 : Autor(es): I.I. Gordeev and S.G. Sokolov
-
Parasites of the Antarctic toothfish (Dissostichus mawsoni Norman, 1937) (Perciformes, Nototheniidae) in the Pacific sector of the Antarctic
species of commercial fisheries in the Antarctic. It is an endemic and is found along the shelf of ... Antarctica, as well as on the slopes of seamounts, underwater elevations and islands in the sub-Antarctic. It ... , whose final hosts are whales, seals, large rays and sharks. This article presents new data on toothfish ... infection in the Pacific sector of the Antarctic. Specimens were examined during commercial longline fishing ...
Meeting Document : WG-FSA-16/P01 : Autor(es): I.I. Gordeev and S.G. Sokolov
-
Peculiarities of Euphausia superba size composition in Statistical Subarea 48.2 (South Orkney Islands)
(Table 1), which cover 20-years period (from 1965 to 1985). Data on size composition of E.superba for ... E.superba was undertaken by means of comparision of various size groups of curstacean distribution in the ... maxima, than in the norhtern part of the region. These featurese are concerned mainly to E.superba with ... only in the southern part of the region, but also in eastern and especially to its north-east parts. In ...
Meeting Document : WG-KRILL-91/11 : Autor(es): V.I. Latogursky and R.R. Makarov (USSR)