Resultados de la búsqueda
-
Preliminary analyses of an ectoparasite Eubrachiella antarctica as a marker for stock discrimination of Antarctic toothfish in the Ross Sea
Abstract: This project evaluated the prevalence and intensity of an ectoparasite Eubrachiella ... antarctica as a marker for stock discrimination of Antarctic toothfish in the Ross Sea. New Zealand Ministry ... of Fisheries Observers on four toothfish longline vessels recorded the number of E. antarctica on the ... fins and in the buccal cavity of 621 large D. mawsoni (mostly 120-150 cm). Up to five D. mawsoni per ...
Meeting Document : WG-FSA-06/28 : Autor(es): P.J. Smith, A. McKenzie and L. Tubbs (New Zealand)
-
Post-fledging and winter migration of Adélie penguins (Pygoscelis adeliae) in the Mawson region of east Antarctica
October 1998, following completion of their annual moult at Bechérvaise Island. Instruments were factory ... were satellite-tracked using the Argos system during the winters of 1995-97 and 1998 respectively. Six ... tracked for 32 days. All fledglings travelled northward initially, then westward along the edge of the ... fast-ice or in the pack-ice. Fledglings had travelled between 536 and 1931 km to the west of their ...
Meeting Document : WG-EMM-02/47 : Autor(es): J. Clarke and K. Kerry (Australia), C. Fowler (USA), R. Lawless, S. Eberhard and R. Murphy (Australia)
-
Standing stock, spatial distribution and biological features of demersal finfish from the 2006 US AMLR bottom trawl survey of the northern Antarctic Peninsula and Joinville–D’Urville Islands (Subarea 48.1)
all species of demersal finfish in this region is currently not at a level for which commercial ... trawl survey of the northern Antarctic Peninsula (southern Bransfield Strait) and Joinville/D’Urville ... Islands. This area included the likely historical fishing grounds of a trawl fishery for the spiny icefish ... to the south. Estimates of seabed area by strata between 50-500 m for the region surveyed are ...
Meeting Document : WG-FSA-06/14 : Autor(es): C.D. Jones (USA) and K.-H. Kock (Germany)
-
Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2015- Part C: Data analysis and MPA scenario development
the Scientific Committee to approve Part C at its meeting in 2016. Author(s): Delegation of Germany ... justification for the development of a marine protected area (MPA) in the Weddell Sea planning area. In ... documents (Part A-C). SC-CAMLR-XXXIV/BG/15 (Part A) sets out the general context of the establishment of ... the means and the results of the scientific analyses and the development of objectives and priority ...
Meeting Document : SC-CAMLR-XXXIV/BG/17 : Autor(es): Delegation of Germany
-
Exploratory longline fishing around the Kerguelen Islands (Division 58.5.1). Description of the fishing effort; catchability and target size of Dissostichus eleginoides
. Bottom longlines are generally used at depths of 400 to 600 m. The mainline (1 to 2 miles long) carries ... fishing over the western shelf break of the Kerguelen shelf (Division 58.5.1). Scientific monitoring of ... fishing carried out by one of these longliners has allowed a description of fishing methods to be made ... by trawlers. The vessel is equipped with an automatic longline baiter which has an efficiency of ...
Meeting Document : WG-FSA-92/31 Rev. 1 : Autor(es): G. Duhamel (France)
-
Proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2016–2017
the same as in previous years, and the number of sets will be retained at 45 sets for the core strata ... the relative abundance of sub-adult (<110 cm TL) toothfish in the core strata (A, B, C) in SSRUs ... 88.1J and 88.1L. This is a continuation of the time series of CCAMLR-sponsored research surveys of these ... toothfish in McMurdo Sound following the recommendations of WG-FSA (SC-CAMLR-XXXIII, Annex7, para 5.108) and ...
Meeting Document : WG-SAM-15/45 : Autor(es): S.M. Hanchet, S.J. Parker, S. Mormede and R.J.C. Currey (New Zealand)
-
THE RISKS OF NOT DECIDING TO ALLOCATE THE PRECAUTIONARY KRILL CATCH LIMIT AMONG SSMUS AND ALLOWING UNCONTROLLED EXPANSION OF THE KRILL FISHERY UP TO THE TRIGGER LEVEL
risks associated with three options for a Stage-1 allocation of the precautionary krill catch limit ... among SSMUs in Subareas 48.1-48.3, it was suggested that a comprehensive assessment of the risks that ... might be incurred by not deciding on such an allocation (i.e., a risk assessment of status quo ... results provided from multiple parameterizations of the same model, and present such a risk assessment ...
Meeting Document : WG-EMM-09/12 : Autor(es): G.M. Watters (USA), S. Hill (United Kingdom), J.T. Hinke (USA) and P. Trathan (United Kingdom)
-
Characterisation of the Antarctic polar frontal zone to the north of South Georgia in summer 1994
possibly of crucial importance to many predator species breeding at the northern end of South Georgia ... the northern edge of the Antarctic Circumpolar Current (ACC). In a number of areas the position of the ... also been implicated in the movement and retention of various associated mesoscale features. In this ... paper we examine the structure and position of the PF as it passes over the rugged bathymetry to the ...
Meeting Document : WG-EMM-97/40 : Autor(es): Brandon, M.A., Trathan, P.N., Murphy, E.J.
-
Features of chronology and breeding success of Pygoscelis papua and Pygoscelis adeliae penguins in the Wilhelm Archipelago (CCAMLR Subarea 48.1)
of the Wilhelm Archipelago. It was observed that at the beginning of the ХХІ century the nesting ... Abstract: We aim to investigate the qualitative changes in the habitats of two most common ... (Adelie) penguins in the CCAMLR Subarea 48.1 under the impact of climate changes and krill fishery. To ... minimize the effect of human disturbance on the breeding success and survival of chicks and avoid ...
Meeting Document : WG-EMM-18/P13 : Autor(es): I.V. Dykyy, G.P. Milinevsky, O.L. Savitsky, D.G. Lutsenko, P.B. Khoetsky, M.F. Veselsky, V.M. Smagol, A.O. Dzhulay, J.V. Tsaryk, K.M. Nazaruk, A.T. Zatushevsky, A.O. Simon and M.A. Telipska
-
A critical re-examination of the evidence for a possible dependence of Weddell seals (Leptonychotes weddellii) on Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea, Antarctica
(Dissostichus mawsoni; ‘toothfish’) in the Ross Sea may affect the ecological viability of top predators such as ... Weddell seals (Leptonychotes weddellii), but available evidence remains inconclusive as a result of both ... the assumptions underlying application of stable isotope methodology to Weddell seals, and estimate ... the potential contribution of toothfish to the diet of Weddell seals using an isotope mixing model ...
Meeting Document : WG-EMM-13/28 : Autor(es): R. Eisert, M.H. Pinkerton (New Zealand), S.D. Newsome and O.T. Oftedal (USA)