Resultados de la búsqueda
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Results of the longline survey for toothfish in the northern Ross Sea region (Subarea 88.2 SSRUs A–B) by the FV Janas, New Zealand
toothfish populations in the northern areas (60°‑ 66° S) of Subarea 88.2 SSRUs A–B. Sampling strategy and ... and no Patagonian toothfish were caught. Toothfish catch rates, size, sex ratio, and reproductive ... maturity status were similar to existing data from SSRU 88.1C. In contrast, the gonadosomatic index and the ... sex-specific Fulton’s condition factor observed in the northern region of SSRU 88.2B were lower than ...
Meeting Document : WG-SAM-15/46 : Autor(es): S.J. Parker, R.J.C. Currey and S. Mormede (New Zealand)
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Research program to examine the life cycle and resource potential of Dissostichus species in the Special Research Zone within the Ross Sea region marine protected area (RSRMPA) in 2018–2027
Abstract: The Russian Federation is going to continue investigation for toothfish in Ross Sea ... . The previous Russian program was undertaken in the Subarea 88.2 in 2010–2012. This paper presents the ... research program in the frame of the research and monitoring associated with the Ross Sea region marine ... protected area. Russian research program have objectives to investigate the life-cycle, distribution and ...
Meeting Document : WG-FSA-18/33 Rev. 1 : Autor(es): Delegation of the Russian Federation
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Exploring trends of the krill fishery indicators among the NWAP D1MPA zones in the Subarea 48.1
been intensively discussed. Its implementation will establish a new scenario for the current krill ... fishing fleet dynamic, therefore it is necessary to understand what represent each D1MPA zones for the ... fishery. We analysed the trend of different fishing indicators among the D1MPA zones during the period ... 2013-2017, including as an independent zone the main fishing hotspot established recently in Bransfield ...
Meeting Document : WG-EMM-2019/41 : Autor(es): F. Santa Cruz, L. Krüger, L. Rebolledo and C. Cárdenas
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DISCRIMINATION OF ENVIRONMENTAL VARIABLES THAT INFLUENCE THE CATCH PER UNIT EFFORT: THE CASE OF THE ANTARCTIC KRILL FISHERY
the APSL with no lag. We concluded that TFM constitute a promising tool for including environmental ... Abstract: The use of the catch per unit effort (CPUE) as an index of abundance usually requires a ... from the CPUE time-series. These exogenous factors include those generated by modifications in fishery ... vessel efficiency, variations in fishing strategies, and environmental fluctuations. The selection of the ...
Meeting Document : WG-EMM-11/P3 : Autor(es): J.C. Quiroz, R. Wiff, M.A. Barrientos and F. Contreras
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The influence of environmental variables and mitigation measures on seabird catch rates in the Japanese tuna longline fishery within the Australian Fishing Zone, 1991–1995
Abstract: Long term fisheries observer data were used to analyse the influence of a range of ... environmental variables and mitigation measures upon catch rates of seabirds in the Japanese pelagic longline ... fishery. In the Australian Fishing Zone (AFZ) seabirds were most likely to be caught on longlines that ... were set during summer, in southern areas of the zone, and during daylight hours. However ...
Meeting Document : WG-FSA-98/32 : Autor(es): N. Brothers, R. Gales and T. Reid (Australia)
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An assessment of the use of ocean gliders to undertake acoustic measurements of zooplankton: the distribution and density of Antarctic krill in the Weddell Sea
deployed in the Weddell Sea, Southern Ocean. The glider was deployed for two short periods in January 2012 ... , in separate survey boxes on the continental shelf to the east of the Antarctic Peninsula, to assess ... the distribution of Antarctic krill (Euphausia superba). During the glider missions, a research vessel ... using the stochastic distorted-wave Born approximation (SDWBA) target strength model. A sensitivity ...
Meeting Document : WG-EMM-14/P02 : Autor(es): D. Guihen, S. Fielding, E. Murphy, K. Heywood and G. Griffiths
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Informing the Scientific Committee about the revisions of the WSMPA proposal
Abstract: Following the submission of a first draft Conservation Measure for establishing a MPA ... in the Weddell Sea (WSMPA) to CCAMLR 2016, Germany has carried out further work on the WSMPA proposal ... and the EU has submitted a revised CM proposal to CCAMLR 2018. This document is based on similar ... documents submitted to WG SAM 2018 and the CCAMLR Workshop on Spatial Management (WS-SM-18). It intends to ...
Meeting Document : SC-CAMLR-XXXVII/BG/14 Rev. 1 : Autor(es): Delegation of Germany
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Interaction of sperm whales with bottom longline and the Mammal and Bird Excluding Device (MBED) operation in the Patagonian toothfish (Dissostichus eleginoides) fishery in the southwestern Atlantic
Abstract: This paper describes the interaction between sperm whales (Physeter macrocephalus) and ... the toothfish fishery (Dissostichus eleginoides) carried out by longline fishing vessels operating in ... two different fishing zones at 40º and 50º latitudes in the Southwestern Atlantic from March to May ... 2007. 62 hauls were performed in the northern zone (latitude 40º 00’ S), while 41 hauls were performed ...
Meeting Document : WG-FSA-07/23 : Autor(es): O. Pin and E. Rojas (Uruguay)
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Standing stock estimates of finfish biomass from the 2002 Polarstern bottom trawl survey around Elephant Island and the South Shetland Islands (Subarea 48.1) with some notes on the composition of catches taken north of Joinville Island – D’Urville Island
species in the region, decreased significantly since 1998. No indication was found for the presence of a ... and the South Shetland Islands in January – February 2002 in close collaboration with the U.S ... distribution of the abundant fish species was provided. Estimates of total biomass for Elephant Island and the ... results obtained in 1998 and 2001 for most species. Length compositions in the most abundant species ...
Meeting Document : WG-FSA-02/24 : Autor(es): K.-H. Kock (Germany), C.D. Jones (USA), J. Appel (Germany), G. von Bertouch (CCAMLR Secretariat), D.F. Doolittle (USA), M. la Mesa (Italy), L. Psenichnov (Ukraine), R. Riehl (Germany), T. Romeo (Italy), S. Schöling (Germany) and L. Zane (Italy)
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Density and abundance estimates of baleen whales recorded during the 2019 DY098 cruise in the Scotia Sea around South Georgia and the South Sandwich Islands
Abstract: We use cetacean sightings data collected from the northern and eastern Scotia Arc ... (CCAMLR Subareas 48.3 and 48.4) during the 2018/19 international synoptic krill survey to provide ... (Balaenoptera physalus) and for all other baleen whale species sighted. The survey was designed to collect data ... on the abundance of krill and so was not optimised for deriving design-based cetacean abundance ...
Meeting Document : WG-EMM-2019/27 : Autor(es): M. Baines, M. Reichelt, C. Lacey, S. Pinder, S. Fielding, N. Kelly, E. Murphy, P. Trathan and J.A. Jackson