Résultats de la recherche
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A case of giant squid attack on Antarctic toothfish Dissostichus mawsoni Norman, 1937 (Perciformes, Nototheniidae) caught on bottom-set longline in the Ross Sea
Abstract: In the beginning of February 2005, during the hauling of bottom-set longline in the ... Ross Sea (East Antarctic) from the depth of 1480 m to the surface a very large squid taken a large ... individual of Antarctic toothfish D. mawsoni (Norman, 1937) with a size of 160 cm and weight of 58 kg caught ... by a longline hook, was hauled up to the board of longliner VOLNA. Squid was very active and did not ...
Meeting Document : WG-FSA-06/P3 : Auteur(s): Petrov, A.F.
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On the problem of icefish (Champsocephalus gunnari) (Channichthyidae) and krill (Euphausia superba) interaction in the South Georgia area
Abstract: The interaction of icefish and krill in the South Georgia area has been analysed on the ... basis of the trawling, acoustic and juvenile fish surveys carried out by AtlantNIRO during 1986-2002 and ... the data of the national fishery. It is demonstrated that?.gunnari both at the early development ... stages and as adults utilize the pelagic forage resource, the bulk of which is constituted by krill. At ...
Meeting Document : WG-FSA-04/41 : Auteur(s): S.M. Kasatkina and Zh.A. Frolkina (Russia)
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Comparison of temperature situation near South Georgia in December–February, 1989–1990, 1990–1991, 1999–2000 and 2000–2001 on satellite data and information about krill catches in Subarea 48.3
Abstract: Monitoring of the sea surface temperature (SST) in Subarea 48.3 on satellite data (GOES ... -E, Meteosat), use of in situ data and the further analysis of the SST maps, maps of the SST ... survey area. Analysis of this situation based on data obtained in expeditions, as well as literature and ... the CCAMLR materials could allow us to assess, with a certain degree of reliability, a potential ...
Meeting Document : WG-EMM-01/11 : Auteur(s): G. Vanyushin (Russia)
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Evaluating the impact of multi-year research catch limits on overfished toothfish populations
Abstract: In stocks that have been depleted by overfishing, the benefits of additional fisheries ... delaying the recovery of such stocks. Through simulating a Dissostichus eleginoides stock that has been ... subjected to varying levels of overfishing and research catches, this study show that stocks can take ... decades to recover even in the absence of fishing, and apparently low levels of research catches can ...
Meeting Document : WG-FSA-10/42 Rev. 1 : Auteur(s): D.C. Welsford (Australia)
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Effects of recruitment variability and natural mortality on Generalised Yield Model projections and the CCAMLR Decision Rules for Antarctic krill
;vector of recruitments" input option to simulate the population dynamics of krill in the Antarctic ... Peninsula region (Subarea 48.1) under various assumptions. The annual proportions of krill less than 36 mm ... in length to the total captured in AMLR net samples in four sampling regions of the Antarctic ... between 14 and 45%) and "high mortality" (M = 3, annual survival of 5%). CVs of either 0, 10 ...
Meeting Document : WG-EMM-12/26 : Auteur(s): D. Kinzey, G. Watters and C. Reiss (USA)
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Development of an algorithm designed to assess observer data quality and performance
Abstract: As part of the Secretariat task to ensure the quality and consistency of the data ... observers in their logbooks. A first version of the algorithm was tested on four randomly selected longline ... , as well as value inconsistencies through a limited set of logical tests. For each logbook inspected ... , a text report indicating the locations of faulty entries, a set of figures to display length and ...
Meeting Document : WG-SAM-13/40 : Auteur(s): Secretariat
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Collection, processing and potential use of sonar data from krill fishing vessels
vessels. The purpose of this paper is to stimulate discussion on the utility of sonars to describe krill ... Abstract: Omnidirectional sonars (herein sonars) are capable of providing an alternative view of ... Antarctic krill distribution, and potentially abundance. Data from sonars can be used independently of ... acoustic surveys. Sonars are capable of sampling large volumes of water and can image entire krill swarms ...
Meeting Document : SG-ASAM-14/01 : Auteur(s): G. Skaret (Norway) and M.J. Cox (Australia)
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Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longline
combination of socio-economical, ecological and conservation issues. However, estimating the amount of ... indirect methods of assessment of depredated biomass over a 11-year period (from 2003 to 2013), both ... accounting for spatial variations of depredation levels. In the first method, we used fishing data from 6 525 ... longline sets to calculate the difference between Catch Per Unit Effort (CPUE) of non-depredated and ...
Meeting Document : WG-FSA-14/10 : Auteur(s): N. Gasco, P. Tixier, G. Duhamel and C. Guinet (France)
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Fishing behaviour of Chinese krill fishing fleet
Abstract: Understanding the fishing behavior of a kind of fishery is a very important part of ... relationship between distance and frequency distribution of the adjacent krill fishing positions were analyzed ... in the subareas of the Commission for Conservation of Antarctic Marine Living Resources (CCAMLR ... subareas 48.1, 48.2 and 48.3). The frequency of distances between consecutive hauls shows a heavy-tailed ...
Meeting Document : WG-EMM-17/45 : Auteur(s): R. Wang and G.P. Zhu
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Development of a vessel safety checklist and debriefing protocol for use in SISO
approved by the Commission (proposed A(e bis) in CCAMLR-XXXVI/25). This paper provides examples of vessel ... Abstract: In accordance with the recommendations of the 2013 Panel Review of the CCAMLR Scheme of ... of SISO recommends the performance of a vessel safety check (see proposed Annex II in CCAMLR-XXXVI/25 ... ) prior to observer deployment, as well as the use of a form and protocol for debriefing observers to be ...
Meeting Document : CCAMLR-XXXVI/BG/16 : Auteur(s): Delegation of the USA