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Age determination of Notothenia gibberifrons from the South Shetland Islands, Antarctic Peninsula subarea (Subarea 48.1)
Paper Title: Age determination of Notothenia gibberifrons from the South Shetland Islands ... Notothenia gibberifrons specimens collected at two localities near the South Shetland Islands (Low I. and ... scale readings gave a result of one year more. This could arise from the difficulty in differentiating ... between false and annual checks in scales. Age determination by otolith cross sections proved to be the ... Georgia. Likewise, our values are lower than the ones reported previously for specimens of South Bay ... ), however, no data were obtained for the first 1-4 year age groups. Therefore, growth curves were not ... Shetland Is. and of Clasing et al.. (1985) for South Bay, Palmer Archipelago, the largest specimens ranged ... samples (South Bay) were collected at nearly the same places as ours (Low I.). Nevertheless, they ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 143-160 : Автор(ы): Barrera-Oro, E.
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Temporal variability and the interrelationships between CEMP parameters collected on Adélie penguins at Béchervaise Island
Paper Title: Temporal variability and the interrelationships between CEMP parameters collected on ... Ecosystem Monitoring Program (CEMP) parameters and the interrelationships between these parameters were ... . The low degree of correlation between parameters collected before incubating nest counts with those ... collected after brooding nest counts reinforces the notion that events occurring during the hatching period ... indicator species at a number of sites in the CCAMLR Convention Area. At the inception of CEMP a suite of ... contribution to the review, as this is one of the sites where the param- eters have been measured over a long ... edgling mass was given the lowest rank for data analysis as no chicks survived to fl edge that year ... birds measured at breeding sites are biased by the tendency for only those birds who obtained suffi ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 75–90 : Автор(ы): Emmerson, L.M., J. Clarke, K.R. Kerry and C. Southwell
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Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and South Orkneys
Paper Title: Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and ... selected colonies of penguins distributed around the coasts of the South Shetland and South Orkney Islands ... distribution in Subarea 48.2, probably as a result of more variable hydrographic conditions. About 50% of the ... catch in Subarea 48.1 from December to March was taken within 40 km of the coast, and 90% within 80 km ... for food in the vicinity of their breeding sites where these are situated on land. The aim of this ... ). Chicks and adults probably continue to be restricted to areas close to the breeding sites into March (J ... consume krill around the study sites. Details of the consumption by squid and whales is unknown in the ... DANA) CATCHES IN THE SOUTH SHETLANDS AND SOUTH ORKNEYS DJ. Agnew* Abstract A set of concentric ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 287–303 : Автор(ы): Agnew, D.J.
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Seabird interactions with longlining operations for Dissostichus eleginoides at the South Sandwich Islands and South Georgia
Paper Title: Seabird interactions with longlining operations for Dissostichus eleginoides at the ... involving the setting and hauling of longlines to catch the toothfish Dissostichus eleginoides around the ... -chinned petrels and black-browed albatrosses were present during day hauling operations. No incidental ... of the seabirds present presumably originated from South Georgia populations; however wandering and ... height from the aft gantry on the port side, the main line was more than 1 cm thick, there were no ... first mate after the end of each haul. Ashford et a1 RESULTS Incidental Mortality No ... coming on board. No data are available on the proportion of hauled hooks still retaining bait. The ... sampling between sites and the paucity of data for certain times of day, the only data allowing realistic ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 143–153 : Автор(ы): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno
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Surveys of breeding penguins and other seabirds in the South Shetland Islands, Antarctica, January-February 1987*
, Antarctica. We encountered several species at many more sites than previously reported, thus increasing the ... Paper Title: Surveys of breeding penguins and other seabirds in the South Shetland Islands ... , Antarctica, January-February 1987* Abstract / Description: Surveys conducted as part of the Antarctic Marine ... Living Resources Program in 1987 provided data on the number, size, and location of penguin and Antarctic ... , Antarctica. We encountered several species at many more sites than previously reported, thus increasing the ... BREEDING PENGUINS AND OTHER SEABIRDS IN THE SOUTH SHETLAND ISLANDS, ANTARCTICA, JANUARY-FEBRUARY 1987 ... * W.D. Shuford and L.B. Spear1 (USA) Abstract Surveys conducted as part of the Antarctic Marine ... Living Resources Program in 1987 provided data on the number, size, and location of penguin and ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 449-451 : Автор(ы): Shuford, W.D. and L.B. Spear
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An iterative model to construct an age/length key to assess the age composition of a new fishery for Dissostichus eleginoides in Chilean waters
Paper Title: An iterative model to construct an age/length key to assess the age composition of a ... sampled from the same population. If such sampling is not possible the estimates of the age distribution ... could be biased. By using an iteration algorithm it is possible to overcome this limitation. The age ... composition of catch for Dissostichus eleginoides was obtained with the application of a single age/length key ... sampled from the same population. If such sampling is not possible the estimates of the age distribution ... could be biased. By using an iteration algorithm it is possible to overcome this limitation. The age ... composition of catch for Dissostichus eZeginoides was obtained with the application of a single age/length ... key to the monthly length distribution using the non-linear model (Hoenig and Heisey, 1987). We found ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 11–20 : Автор(ы): Robotham, V. H. and Z. Young U.
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Status of the coastal stocks of Dissostichus spp. in East Antarctica (Divisions 58.4.1 and 58.4.2)
between them being at about 90°E. The western stock may be centred around Prydz Bay, and appears to be of ... Paper Title: Status of the coastal stocks of Dissostichus spp. in East Antarctica (Divisions ... operating off the coast of East Antarctica (30°E–150°E; FAO/CCAMLR Divisions 58.4.1 and 58.4.2) since 2003 ... . An experiment run from 2005 to 2008 required the tagging of toothfish as a prerequisite for ... mouth of Prydz Bay (SSRU 5842E). Although there has been no fishing in SSRU 5841B, the area ... side of SSRU 5841C, the north- ern part of SSRU 5841E and the western part of SSRU 5841G. No D ... very low. Densities increase to the east of Division 58.4.2, particularly in SSRU 5842E off Prydz Bay ... Current (ACC) at this point, away from its close continental position to the north of Prydz Bay and from ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 71–100 : Автор(ы): Agnew, D.J., C. Edwards, R. Hillary, R. Mitchell and L.J. López Abellán
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Preliminary analyses of data collected during experimental phases of the 1994/95 and 1995/96 Antarctic crab fishing seasons
their release sites. Density estimates from the mark-recapture data were in the order of 50 000 to 100 ... Paper Title: Preliminary analyses of data collected during experimental phases of the 1994/95 and ... 1995/96 Antarctic crab fishing seasons Abstract / Description: Data collected on board the FV American ... Champion during Phases 1 and 2 of the experimental crab fishery were analysed using generalised additive ... movement of crabs away from their release sites. Density estimates from the mark-recapture data were in ... Phase 3 of the EHR, so there are no results presented for this phase. The American Champion used ... to 100 crabs, and the release sites were distributed throughout each of the three depletion squares ... distances between release and recapture sites, and the crabs may not have travelled in a linear fashion ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 141–159 : Автор(ы): Watters, G
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Identifying taxonomic groups vulnerable to bottom longline fishing gear in the Ross Sea region
Paper Title: Identifying taxonomic groups vulnerable to bottom longline fishing gear in the Ross ... vulnerable marine ecosystems (VMEs) requires a specific list of the taxa that are considered vulnerable in ... the fishery being assessed. New Zealand identified an interim list of taxa to monitor in fishery by ... -catch in the Ross Sea as part of its benthic fisheries impact assessment. The rationale for including or ... been identified to genus level. Although no data on the longevity of antipathar- ians in the Southern ... fishery depths, but no soft corals have been observed deeper than 2 000 m. Some of the deep-sea species ... Balleny Islands and northern area seamounts. No samples have been collected from the eastern Ross Sea ... IDENTIFYING TAXONOMIC GROUPS VULNERABLE TO BOTTOM LONGLINE FISHING GEAR IN THE ROSS SEA REGION S.J. Parker ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 105–127 : Автор(ы): Parker, S.J. and D.A. Bowden
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Some thoughts on precautionary measures for the krill fishery
Paper Title: Some thoughts on precautionary measures for the krill fishery Abstract / Description ... : The concept of precautionary measures for krill is discussed. A precautionary catch limit, based on ... the potential yield model developed by the CCAMLR Scientific Committee's Working Group on Krill ... precautionary catch limit in large areas, such as Statistical Area 48, but the approach requires considerable ... size is derived from field counts which, since the locations of these sites are known, can be ... some sites, such as South Georgia; and (iv) fine-scale catch and effort data from the krill fishery ... potential foraging range of the breeding sites of the dominant land-based predators. The extent of such a ... zone relative to the predator breeding sites would be 125 km at South Georgia (Figure 1). Outside of ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 1–11 : Автор(ы): Everson, I. and W.K. de la Mare
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