Search results
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Changes in population size of large Procellariiformes breeding in the French sub-Antarctic islands: potential influence of southern fisheries and particularly long lining
indicate that these declines are mainly the result of increased adult mortality. This high rate of ... mortality has been suspected to be the result of mortality incurred in long-line fisheries. Satellite ... tracking studies of breeding birds and band recoveries of non breeding birds indicate that during and ... EEZ. The decrease in the fishing effort of the Japanese fishery during the recent years has probably ...
Meeting Document : WG-IMALF-94/11 : Author(s): Henri Weimerskirch and Pierre Jouventin (France)
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Analysis of the diet of Champsocephalus gunnari in Subarea 48.3, Dr E. Holmberg survey, February 1995
Abstract: About 1300 stomach contents of the icefish Champsocepha1us gunnari caught in the ... Subarea 48.3 in February 1995, were analyzed using the frequency of occurrence (%) method. Krill ... to be similar to that observed in the E. Holmberg survey in February/March 1994: common levels of ... krill availability indicated by frequency of occurrence, but, on the other hand, high proportions of ...
Meeting Document : WG-FSA-95/36 : Author(s): Marschoff, E., Barrera-Oro, E., Casaux, R.
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New data acquisition protocol for benthos by-catch in the French fisheries of the Southern Ocean, presentation of the protocol and first preliminary results
acquisition protocol for benthos bycatch in the French fisheries of the Southern Ocean (statistical areas ... 58.5.1, 58.6, 58.4.3a, 58.4.4b, 58.4.2). This protocol aims at producing presence and abundance data of ... collecting, weighing and photographic sampling of the benthic macro-invertebrate specimens. A description of ... the protocol is provided in this document. Preliminary results on quality and quantity of produced ...
Meeting Document : WG-EMM-17/09 : Author(s): A. Martin, M. Eléaume, N. Améziane, P. Pruvost and G. Duhamel
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ON METHODS OF THE EXPERIMENT CARRIED OUT TO DETERMINE THE RATE OF ‘ESCAPE MORTALITY’ ON FISHING OR RESEARCH VESSELS DURING ANTARCTIC KRILL FISHERY
Abstract: According to recommendations of Working Group on Ecosystem Monitoring and Management ... (SC-CAMLR-XXVIII/3, paragraph 3.7), 2009 in Bergen, due to the results of considering Document WG-EMM ... -09/11, in which the uncertainty of krill amount perished while its trawling at fishery is focused ... , the recommendations were submitted on carrying out the experiment to determine the rate of krill ...
Meeting Document : SC-CAMLR-XXVIII/BG/10 : Author(s): Delegation of Ukraine
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Peak mortality of krill, fished with midwater trawls and feasible criteria of krill trawls ecological safety
Abstract: The mathematical model of a fishery object contact against a mesh, while escaping ... elimination probability caused by cath and mortality in fishery operations. The coefficient of trawl ... ecological safety is offered, which is the ratio of the amount of the objects caught and objects caught and ... died during fishery. The equations are presented to estimate the gross removal of an object by the ...
Meeting Document : WG-KRILL-93/34 : Author(s): Yu. V. Kadilnikov (Russia)
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Assessment of incidental catches of seabirds in the French EEZ included in Division 58.5.1 and Subarea 58.6
global diminution of seabird incidental mortality. This document presents a quantified assessment of the ... evolution of avian mortality between 2007 and 2013, ongoing studies and research in the nature reserve of ... incidental catch of seabirds for the 2013-2014 period. It also presents a synthesis of the populations ... . Author(s): C. Marteau (France) Title: Assessment of incidental catches of seabirds in the French EEZ ...
Meeting Document : WG-FSA-13/06 : Author(s): C. Marteau (France)
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Analysis of krill trawling positions in the area north of the South Shetland Islands (Antarctic Peninsula area) from 1980/81 to 1998/99
Abstract: Positions of commercial krill operation for 1980/81 season to 1998/99 season in the ... area to the north of South Shetland Islands were analyzed by using GLM (generalized linear model ... ). Fishing season, the timing, and the longitude were significant factors to explain the variability of ... from mid-1980 onwards, they tended to happen in the south, with exceptions of 1994/95 and 1995/96 ...
Meeting Document : WG-EMM-00/58 : Author(s): S. Kawaguchi (Japan)
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The importance of standardising and validating new methods for CEMP to maintain the robustness of long-term time series
, non-disturbing monitoring within CEMP against a background of increasingly tight funding for long-term ... standardising new methods against current methods is critical to maintain the robustness of long-term time ... series and is an important consideration for the inclusion of new methods in the CEMP. We briefly ... summarise aspects of recently published work on a number of new methods applied to Adélie penguins in East ...
Meeting Document : WG-EMM-15/44 : Author(s): C. Southwell and L. Emmerson (Australia)
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An 8-year cycle in krill biomass density inferred from acoustic surveys conducted in the vicinity of the South Shetland Islands during the austral summers of 1991/1992 through 2001/2002
vicinity of the South Shetland Islands, Antarctica were re-analyzed using updated procedures for ... compensating for diel vertical migration of krill outside of the acoustic observation window. Intra-and inter ... surveys conducted in the austral summers of 1991/1992 through 2001/2002. Estimated biomass density ranged ... variability may be attributed to changes in the spatial distribution of krill relative to the survey area ...
Meeting Document : WG-EMM-03/6 : Author(s): R.P. Hewitt, D.A. Demer and J.H. Emery (USA)
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Analysis of variability of krill size and fish by-catch in Japanese krill fishery based on scientific observer data
Abstract: To estimate optimal relative sample size of scientific observer data collected on ... –2008 were analysed by using a hierarchical Bayesian model. The models were composed of multistage ... -temporal variability in size structure of krill population, which is presumably derived from large ... variability of recruitment causing difficulty in predicting krill population dynamics. Variances of observer ...
Meeting Document : WG-EMM-12/68 : Author(s): T. Okuda and M. Kiyota (Japan)