Résultats de la recherche
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Effect of line sink rate on albatross mortality in the Patagonian toothfish longline fishery
Paper Title: Effect of line sink rate on albatross mortality in the Patagonian toothfish longline ... vessels to derive a sink rate and line-weighting regime that would minimise the capture of albatrosses ... based on knowledge of line sink rates and albatross diving abilities. Sink rates of lines deployed into ... propeller turbulence, which tended to keep lines aloft, varied as a function of distance between line ... very low reported catch rates of albatrosses during line-setting operations. The paper also ... Configuration This paper presents the results of an experiment The CFL Pioneer is a 47 X 11.5 m Spanish-built ... CCAMLR Science, Vol. 7 (2000): 133-150 EFFECT OF LINE ... -weighting regime that would minimise the capture of albatrosses based on knowledge of line sink rates and ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 133–150 : Auteur(s): Robertson, G.G
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Fishes of the Ross Sea Region – A field guide to common species caught in the longline fishery
working on toothfish longline fishing vessels to identify the main species of fishes taken in the Ross Sea ... region of Antarctica. Technical terms are kept to a minimum, and identification features are mostly those ... species of crocodile icefishes (Channichthyidae), and cod icefishes (Nototheniidae). It does not cover all ... about the identification of some of the fishes, and taxonomic study (beyond the scope of this guide) is ... Fishes of the Ross Sea Region A field guide to common ... -43741-6 (online) 2014 Fishes of the Ross Sea Region A field guide to common species caught in the ... longline fishery FISHES OF THE ROSS SEA REGION. A field guide to common species caught in the longline ... .; Marriott, P.; Hanchet, S.M.; Fenaughty, J.M.; Mackay, E.; Sui, H.; Wei, F. (2014). Fishes of the Ross Sea ...
Document : Site Section: Publications
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Age estimation and maturity of the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea
Paper Title: Age estimation and maturity of the ridge-scaled macrourid (Macrourus whitsoni) from ... the Ross Sea Abstract / Description: Juveniles of the macrourid Macrourus whitsoni were collected by ... the NIWA research vessel Tangaroa during the BioRoss survey of the western Ross Sea and Balleny ... Islands in 2004. Intensive analysis of otoliths from these specimens greatly increased confidence in the ... (Mitchell and Clark, 2004). This paper presents the results of the analysis of these specimens, and ... estimAtion And mAturity of the ridge-scAled mAcrourid (Macrourus whitsoni) from the ross seA P.M. Marriott ... and M.J. Manning National Institute of Water and Atmospheric Research (NIWA) Ltd Private Bag 14 ... of Water and Atmospheric Research (NIWA) Ltd PO Box 893, Nelson, New Zealand Abstract Juveniles ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 291–303 : Auteur(s): Marriott, P.M., M.J. Manning and P.L. Horn
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Growth and natural mortality of Patagonian rockcod (Patagonotothen guntheri shagensis) from Shag Rocks shelf
Paper Title: Growth and natural mortality of Patagonian rockcod (Patagonotothen guntheri ... shagensis) from Shag Rocks shelf Abstract / Description: The parameters of Bertalanffy’s growth equation ... -weight data of research and fishery survey cruises in the Shag Rocks area from 1978 to 1986. The natural ... mortality rate was assessed by six different methods and was within a range of 0.63 to 1.06. The mean value ... WG-FSA-89/18 GROWTH AND NATURAL MORTALITY OF PATAGONIAN ... parameters of Bertalanffy's growth equation for Patagonian rockcod (Patagonothen guntheri shagensis) were ... calculated by using age and length-weight data of research and fishery survey cruises in the Shag Rocks ... within a range of 0.63 to 1.06. The mean value of natural mortality M=0.8 was used in calculations and ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 111–121 : Auteur(s): Shlibanov, V.I.
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Histological study on the ovarian development of mackerel icefish (Champsocephalus gunnari) from the South Georgia Islands
Paper Title: Histological study on the ovarian development of mackerel icefish (Champsocephalus ... South Georgia and Shag Rocks areas in February and March 1994. Six phases of oocyte development were ... described macroscopically for various species of Channichthyidae. Stage six includes ovaries undergoing ... generalised regression was found, which was observed in 41% of mature fish. A high proportion of juvenile ... paper we present a histological analysis of C. gunnari ovaries with the aim of describing the oocyte ... O N THE OVARIAN DEVELOPMENT OF MACKEREL ICEFISH (CHAMPSOCEPHALUS GUNNARn FROM THE SOUTH GEORGIA ... Eduardo L. Holrnberg in the South Georgia and Shag Rocks areas in February and March 1994. Six phases of ... stages correspond with those described macroscopically for various species of Channichthyidae. Stage six ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 35–49 : Auteur(s): Macchi, G.J. and E.R. Barrera-Oro
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The Patagonian toothfish (Dissostichus eleginoides) fishery in the Kerguelen Islands (Indian Ocean sector of the Southern Ocean)
(Indian Ocean sector of the Southern Ocean) Abstract / Description: Patagonian toothfish (Dissostichus ... recently with longliners. This is the oldest fishery targeting D. eleginoides in the Indian Ocean sector of ... local overfishing. The expansion of the bathymetric range of the fishery to increasingly deeper waters ... distribution, timing and area of spawning, and movements between geographical sectors) on the adult section of ... PaTagonian TooThfish (Dissostichus eleginoiDes) fishery in The Kerguelen islands (indian oCean seCTor of ... . This is the oldest fishery targeting D. eleginoides in the Indian Ocean sector of the Southern Ocean ... . The expansion of the bathymetric range of the fishery to increasingly deeper waters seems to have ... area of spawning, and movements between geographical sectors) on the adult section of the exploited ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 1–25 : Auteur(s): Lord, C., G. Duhamel and P. Pruvost
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A first attempt at an assessment of the Patagonian toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands EEZ
Paper Title: A first attempt at an assessment of the Patagonian toothfish (Dissostichus ... eleginoides) resource in the Prince Edward Islands EEZ Abstract / Description: The history of the fishery for ... -per-unit-effort (CPUE) trend. Application of a simple age-structured production model (ASPM) provides ... a robust indication that the spawning biomass has been depleted to, at most, a few percent only of ... -effort (CPUE). This paper presents a fi rst attempt at a quan- titative assessment of the resource, by ... defined in this paper) Subarea 58.7 (tonnes) Subarea 58.6 (tonnes) 50% of Subarea 58.6 (tonnes ... Geoff Kirkwood are thanked for their comments on an earlier version of the paper. Financial support ... , Vol. 9 (2002): 11–32 11 A FIRST ATTEMPT AT AN ASSESSMENT OF THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 11–32 : Auteur(s): Brandão, A., D.S. Butterworth, B.P. Watkins and D.G.M. Miller
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Krill biomass in Area 48 and Area 58: recalculations of FIBEX data
Paper Title: Krill biomass in Area 48 and Area 58: recalculations of FIBEX data Abstract ... estimates of mean density and biomass for the Indian Ocean sector and the West Atlantic sector as well as ... workshop. Estimates for the different areas were also calculated using the target strength relationships of ... those cruises (seven out of the nine considered) that used an echosounder frequency of 120 kHz. File ... were calculated following the procedures outlined in Appendix I of this paper. Correspondence with Dr ... subsequently converted to MVBS following the approach outlined in Appendix I of this paper. The Umitaka Maru ... 4 in Appendix II of this paper (Anon., 1986 - equation 4). As described above, the Central ... weighted these by the inverse of their variance using equations 5 and 6 in Appendix II of this paper. 3 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 157–181 : Auteur(s): Trathan, P.N., D.J. Agnew, D.G.M. Miller, J.L. Watkins, I. Everson, M.R. Thorley, E. Murphy, A.W.A. Murray and C. Goss
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Observations on haul-out patterns and trends in the breeding populations of southern elephant seal at Península Valdés (Patagonia) and Stranger Point (25 de Mayo - King George I.)
Paper Title: Observations on haul-out patterns and trends in the breeding populations of southern ... intrinsic population growth rate is positive. In 1982, at Stranger Point, a sharp decrease of the female ... component of the population was observed (r=-56.54%). The recovery of the population at Stranger Point, and ... the global increase at Península Valdés, indicate the good condition of these populations. File: 21 ... ) influence on the ecosystem. (This point will be dealt with in a future paper). The recovering of the ... PATTERNS AND TRENDS IN THE BREEDING POPULATIONS OF SOUTHERN ELEPHANT SEAL AT PENINSULA VALDES (PATAGONIA ... decrease of the female component of the population was observed (r=-56.54%). The recovery of the ... population_at Stranger Point, and the global increase at Peninsula Valdes, indicate the good condition of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 453-463 : Auteur(s): Vergani, D.F., M.N. Lewis and Z.B. Stanganelli
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Age determination of Champsocephalus gunnari Lönnberg, 1905 (Channichthyidae) taken in the South Georgia area in 1990
Paper Title: Age determination of Champsocephalus gunnari Lönnberg, 1905 (Channichthyidae) taken ... the status of the Champsocephalus gunnari stock in the South Georgia area. In February 1990 the size ... composition of catches taken by Akademik Knipovich had three peaks corresponding to size groups of 16-18, 24 ... 9+ were present in catches. Two peaks in size composition correspond with fish of the 1987 and 1985 ... WG-FSA-90/33 AGE DETERMINATION OF CHAMPSOCEPHALUS ... RV Hill Cove and RV Akademik Knipovich to study the status of the ChampsocephaZus gunnari stock in ... the South Georgia area. In February 1990 the size composition of catches taken by Akademik Knipovich ... had three peaks corresponding to size groups of 16-18, 24-26 and 30-34 cm. Only vertebra samples (n ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 285–293 : Auteur(s): Kochkin, P.N.