Search results
-
Seasonal variation in the diet of Arctocephalus gazella at 25 de Mayo/King George Island, South Shetland Islands, Antarctica
. gazella during the winter period in the South Shetlands area. A total of 224 scats were collected in the ... antarcticum constituted the dominant fish prey species; in winter only P. antarcticum was dominant, while ... myctophids were absent. The only squid species present in the diet was Slozarsykowia circumantarctica. It is ... ) Title: Seasonal variation in the diet of Arctocephalus gazella at 25 de Mayo/King George Island, South ...
Meeting Document : WG-EMM-15/37 : Author(s): A. Harrington, G.A. Daneri, A.R. Carlini, D.S. Reygert and A. Corbalán (Argentina)
-
Population status of Ross Sea killer whales (Orcinus orca, Type C) in McMurdo Sound, Antarctica, based on photo-identification studies
-eating ecotype, in McMurdo Sound, Antarctica, during 7 seasons, over a 14-year period from 2001/02 to ... 2014/15. Using photo-identification methods, we identified 352 individual RSKWs in the Sound and up to ... toothfish (Dissostichus mawsoni) may have led to a marked decline RSKW numbers in the southwestern Ross Sea ... , our analysis suggests that at least the resident killer whale population in McMurdo Sound is stable ...
Meeting Document : WG-EMM-16/50 : Author(s): R. Pitman, H. Fearnbach and J.W. Durban
-
Using data recorded during commercial krill fishing in Feedback Management
same time the data might inform about patterns in the ecosystem of importance to FBM. Similarly ... distribution and abundance of krill in the South Orkney Islands. However, due to the lack of survey design ... might inform about some of this uncertainties. In this paper we discuss how the information of these two ... papers can be used in an operational FBM. Author(s): O.R. Godø, G. Skaret and E. Niklitschek Title ...
Meeting Document : WG-EMM-16/74 : Author(s): O.R. Godø, G. Skaret and E. Niklitschek
-
An outline of narrowband echosounder survey methods to estimate biomass of Antarctic krill in CCAMLR Division 58.4.1 during 2018/19 season by the Japanese survey vessel, Kaiyo-maru
will be conducted in CCAMLR Division 58.4.1 during 2018/19. The biomass estimation will be conducted ... in 2000 as the CCAMLR-2000 survey. Quantitative echosounders has evolved since then and a current ... CCAMLR standard will be employed in the analysis but utility of 70 kHz data will also be investigated ... discussed at ICES WGFAST and this aspect will also be investigated in this survey. Author(s): K. Abe, K ...
Meeting Document : SG-ASAM-18/02 : Author(s): K. Abe, K. Amakasu, R. Matsukura, T. Mukai and H. Murase
-
Candidate baseline data for ecosystem indicators in the Ross Sea region
development. That plan will identify key research questions that aid in assessing the MPA’s efficacy in ... indicate the current status of marine ecosystems in the Ross Sea region. These data could then be used as ... species which were identified in the draft Research and Monitoring Plan presented to the Scientific ... . Watters Title: Candidate baseline data for ecosystem indicators in the Ross Sea region Approval ...
Meeting Document : WS-SM-18/02 : Author(s): A. Dahood and G.M. Watters
-
Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica
toothfish in the Ross Sea (Areas 88.1 and 88.2). Biological data from 303 returned specimens was collected ... showed no significant difference in sex ratio. Meristic, diet and age data were consistent with previous ... calculated and plotted against sample month. There was a weak positive trend in GSI between December and ... . Counts of growth zones in sectioned otoliths were used to determine ages and von Bertalanffy growth ...
Meeting Document : WG-FSA-07/25 : Author(s): C.P. Sutton, M.J. Manning, D.W. Stevens, P.M. Marriott (New Zealand)
-
Mercury concentrations in Patagonian toothfish, Dissostichus eleginoides Smitt 1898, among three distinct ocean basins
mackerel, that are considered high in Hg concentration by the U.S. Food and Drug Administration. In ... contrast, those from the Atlantic basin were found to have similar lower values in fish like haddock ... , halibut, cod, albacore tuna, and orange roughy. Explanation of these geographical differences in Hg may be ... hydrographic barrier, as suggested in other studies on Patagonian toothfish, to anthropogenic sources of ...
Meeting Document : WG-FSA-06/24 : Author(s): K. Dawson Guynn and M.S. Peterson (USA)
-
The effects of an experimental hake Merluccius capensis/paradoxus longline fishery on Procellariiform seabirds in South Africa - a preliminary investigation
Abstract: Due to the detrimental effect longline fisheries have had on seabirds in other parts of ... Procellariiform seabirds in South Africa. Carcases of Procellariiform seabirds caught on Hake longlines during ... responsible for 1928 ± 1345 whitechinned petrel deaths a year in South African waters. Stepwise multiple ... regression suggested that light intensity was the critical factor explaining variation in the number of ...
Meeting Document : WG-FSA-95/21 : Author(s): Barnes, K.
-
DISTRIBUTION AND ABUNDANCE OF ANTARCTIC TOOTHFISH IN THE ROSS SEA
to the 2007/08 fishing year. It focuses in particular on Antarctic toothfish catches taken from the ... fishing grounds of deep water (mainly > 800 m) off Terra Nova Bay, Ross Island, and in the south of ... . In preparing this paper we have identified some data sources which could potentially be used to ... in different years making interpretation difficult. Tag-recapture data from the Terra Nova Bay ...
Meeting Document : WG-EMM-09/40 : Author(s): S.M. Hanchet, S. Mormede and A. Dunn (New Zealand)
-
Candidate baseline data for ecosystem indicators in the Ross Sea region. Part A: Brief presentation of data
characterize the status of the marine ecosystem in the Ross Sea region. These baselines provide benchmarks from ... which to assess change and evaluate the performance of the MPA. Here, and in an accompanying background ... paper (SC-CAMLR-XXXVII/BG/xx), we suggest candidate baseline data for seven indicator species listed in ... juvenile Antarctic silverfish in the RSRMPA; zone-specific estimates of the numbers of nesting pairs of ...
Meeting Document : SC-CAMLR-XXXVII/11 : Author(s): Delegation of the USA