Search results
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Beached birds: a guide used by north pacific groundfish observers to identify seabirds incidentally caught in fisheries
Abstract: In the fall of 2002, the U.S. National Marine Fisheries Service (NMFS) purchased 300 ... vessels in the Bering Sea and Gulf of Alaska. This new guide replaces a dichotomous key on looseleaf paper ... of fishery observers to accurately identify seabirds as they come up in the sampled fishing gear ... collection at the NMFS North Pacific Groundfish Observer Program. A copy of Beached Birds is available in the ...
Meeting Document : WG-FSA-03/24 : Author(s): T. Hass and S. Davis (USA)
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The direct impact of fishing and fishery-related activities on marine life in the CCAMLR Convention Area with particular emphasis on longline fishing and its impact on albatrosses and petrels – a review
Abstract: Finfishing started in the Southern Ocean more than 30 years ago at South Georgia and ... Iles Kerguelen. The fishery extended further south for a few years in the second half of the 1970' ... , in particular birds and mammals. With the exception of plastic package bands on some sub-Antarctic ... islands and in particular the impact of longlining on marine birds these effects have been minor, very ...
Meeting Document : SC-CAMLR-XIX/BG/11 : Author(s): Delegation of Germany
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Connectivity and population structure in Pleuragramma antarcticum
silverfish (Pleuragramma antarcticum) are distributed in independent, discrete populations in the Ross Sea ... populations: i) in the Ross Sea, ii) on the southern Antarctic Peninsula in Marguerite Bay and off Charcot ... (USA) and M. Pinkerton (New Zealand) Title: Connectivity and population structure in Pleuragramma ...
Meeting Document : WG-FSA-11/19 : Author(s): J. Ferguson, J. Ashford, A. Piñones, J. Torres, W. Fraser, C. Jones (USA) and M. Pinkerton (New Zealand)
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On the accuracy of the pellet analysis method to estimate the food intake in the Antarctic shag Phalacrocorax bransfieldensis
through the gastrointestinal tract of the otoliths of fish represented in pellets of the Antarctic Shag ... slightly decreased in February. These estimations, in general, are in line with those previously obtained ... of the pellet analysis method to estimate the food intake in the Antarctic shag Phalacrocorax ...
Meeting Document : WG-EMM-97/61 : Author(s): Casaux, R.
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Variants of the ASPM assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity which attempt to reconcile CPUE and catch-at-length data
examined. One allows for the possibility of changes in somatic growth rate in response to increased food ... in somatic growth rate as abundance drops. For the recruitment variability model, results remain ... highly sensitive to the relative weights given to CPUE and catch-at-length data in the model fitting ... the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity which attempt ...
Meeting Document : WG-FSA-SAM-04/12 : Author(s): Brandão, A., Butterworth, D.S.
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Estimating toothfish biomass in Subarea 48.3 using local depletions
of 12’ by 12’ where there had been forty or more hauls in any particular year. There were 62 ... individual vessel fishing events in these areas over this period, 40 of which appeared to be depletions ... . Applying a Leslie method we derived toothfish densities in these areas which were linearly correlated with ... CPUE over the four years and multiplying by the total fishable area in Subarea 48.3 we arrived at an ...
Meeting Document : WG-FSA-SAM-04/18 : Author(s): Pearce, J., Agnew, D.
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Abundance and reproductive distribution of Pygoscelids sp. in the northern area of Danco Coast, Antarctic Peninsula
potential to act as ecological indicators. The western Antarctic Peninsula is one of the three sites in the ... penguin (Pygoscelis papua) in the northern sector of the Danco Coast, north-west of the Antarctic ... Peninsula during the breeding season 2010-2011. Our results showed an overall increase in both populations ... in relation the 1998. Since the effects of climate change and human harvesting could confound ...
Meeting Document : WG-EMM-12/58 : Author(s): M.M. Santos, E.F. Rombolá, D. González-Zevallos, M.A. Juáres, J. Negrete and N.R. Coria (Argentina)
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Downward adjustments to local catch limits for the krill fishery in Subarea 48.1
adjustments to local catch limits for the krill fishery in Subarea 48.1. We use the term local catch limit to ... the gSSMUs defined in another compilation of vignettes (AERD 2016a, pp. 3-13). We propose downward ... krill fishery in Subarea 48.1 (see Watters et al. 2016). Our proposal to make downward adjustments is ... crèche can predict poor recruitment; when the chicks in a cohort crèche at a relatively young age, cohort ...
Meeting Document : WG-EMM-16/46 : Author(s): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries
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VNIRO program on remote monitoring of oceanographic conditions in fishing areas of the World Ocean (the southwestern Atlantic and the southeastern Pacific)
dynamics of the sea surface temperature (SST) in fishing areas For various time intervals (week, month ... , year, etc.). Sample monitoring of fishing areas in the south-western Atlantic and the southeastern ... interannual variability of SST; results of comparison of maps of monthly mean SST in various years and mean ... their analyses in the process of estimation and development of the forecast of fishing conditions are ...
Meeting Document : WG-EMM-98/14 : Author(s): G.P. Vanyushin, T.B. Barkanova and A.A. Troshkov (Russia)
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REPORT ON THE ABANDONED GILLNET RETRIEVAL OPERATION CONDUCTED BY AUSTRALIA IN CCAMLR STATISTICAL DIVISION 58.4.3B (BANZARE BANK)
gillnets as a fishing method to target toothfish in the Convention area. Estimating the impact of IUU ... . Based on the amount of toothfish found in the 8 km long section of net retrieved, upwards of 29 tonnes ... gillnets. However these figures are likely to be underestimates of total mortality in gillnets, due to the ... evidence of large numbers of sea-lice depredated fish in the net. Author(s): Snowdon, D., Hamill, J ...
Meeting Document : TASO-09/10 : Author(s): Snowdon, D., Hamill, J., McEachan, F., Welsford, D.