Search results
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Seabird research at Cape Shirreff, Livingston Island, Antarctica, 2004/05
us to examine trends in penguin population dynamics, as well as inter-annual variation in penguin ... decline over the past six years, and is at its lowest size in the past eight years of study, and fledging ... success was poor compared to earlier years of study. The gentoo breeding population, in contrast, has ... remained relatively stable and had similar fledging success in 2004as the long-term mean. Fledging weights ...
Meeting Document : WG-EMM-05/9 : Author(s): A.K. Miller, E. Leung and W.Z. Trivelpiece (USA)
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THE RESEARCH PROJECT TO DIGITIZE HISTORICAL SOVIET KRILL FISHING EXPEDITION DATA
commercial expedition’s data has been started in Ukraine at the Southern Research Institute of Marine ... expeditions in Southern Ocean between the years of 1972-1992. The main purpose of these expeditions was to ... stock. The data is currently recorded in the paper forms as expedition logbooks and represent an ... in the Southern Ocean ecosystem. The data covers more than 50 fishing cruise observer logbooks with ...
Meeting Document : WG-EMM-09/30 : Author(s): L. Pshenichnov and G. Milinevsky (Ukraine)
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Summary of toothfish tagging suitability data from paired Spanish line – trotline sets
Abstract: Conservation Measure 41-01\Annex C requires participants in exploratory fisheries to ... only tag fish with a high probability of survival. Further it recommends that fish hooked only in the ... mouth should be tagged. A new data collection form was implemented in 2012 to allow evaluation of fish ... suitability for tagging from research hauls in exploratory fisheries in Subarea 58.4 and 48.6. We summarized ...
Meeting Document : WG-FSA-12/49 : Author(s): S. Parker and D. Fu (New Zealand)
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Pairwise tag performance: testing the sensitivity of the tag detection index and the mortality of tagged fish index
developed in 2012 and further developed in 2013, using a methodology which controls for the spatial and ... all other fishing events which occurred in the same time and place (i.e. within a specific distance ... and in the same fishing season). The method showed that when the confounding effects of variable ... with respect to the tag detection index in the Ross Sea region. Here we present the results of ...
Meeting Document : WG-FSA-13/50 : Author(s): S. Mormede (New Zealand)
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The diet of the blue-eyed shag, Phalacrocorax atriceps bransfieldensis at the west Antarctic Peninsula
analyzed based on the identification of the prey items in 50 regurgitated casts collected at Duthoit Point ... , Nelson Island, in February 1991. Benthic organisms, chiefly fish, were found to be the main components ... . Fish remains occurred in 100% of the casts and represented 68% by number and 90% by weight of the total ... Trematomus newnesi. For these populations in the study area, equations to estimate total length and weight ...
Meeting Document : WG-CEMP-93/26 Rev. 1 : Author(s): R. Casaux and E. Barrera-Oro (Argentina)
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Update on the external review of the Generalised Yield Model (GYM) software and manual
Abstract: In 2003, WG-FSA requested that the Secretariat supervise an external review of the GYM ... software and manual (SC-CAMLR-XXII, Annex 5, paragraph 9.18). The key steps in this proposed review ... WG-FSA-SAM at its meeting in July 2004; • WG-FSA-SAM to consider the review and advise WG-FSA. A call ... for expressions of interest for the review was made in March 2004 (SC CIRC 04/06); the deadline for ...
Meeting Document : WG-FSA-SAM-04/05 : Author(s): CCAMLR Secretariat
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Domain 1 Marine Protected Area Preliminary Proposal – PART A: MPA Model
Abstract: This draft is aimed to describe the process for the designation of an MPA in Domain 1 ... led by Argentina and Chile. The process has resulted in the compilation, analysis, integration and ... approach in all stages of the decision making process towards identifying Priority Areas for Conservation ... (PAC) in Domain 1. A technical description of the software and analyses used for the identification of ...
Meeting Document : WG-EMM-17/23 : Author(s): Delegations of Argentina and Chile
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Spatial distribution and swarm characteristics of Antarctic krill around the South Shetland Islands
using the swarm-based method established in SG-ASAM-17. Acoustic data were collected from the FV Fu Rong ... Hai using Simrad EK60 echosounder (38/70/120 kHz) during four transect surveys conducted in December ... as swarms in a patchy fashion and the mean krill densities in December 2013 and February 2018 were ... markedly higher than the other two years. Meanwhile, much more swarms (1055) were detected in February 2018 ...
Meeting Document : WG-EMM-18/42 : Author(s): X. Yu, X. Wang and X. Zhao
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Homogeneity of body length composition of Antarctic krill within the commercial haul
Abstract: The homogeneity of krill length composition in commercial trawl catches (hauls) was ... difference (P>0.05) in 53 out of 60 hauls. Therefore it is concluded that sampling from one part of the ... haul provides a reasonable estimate of length composition in the entire haul as a whole. In contrast to ... small variations in length composition within the same haul, variation between different hauls was most ...
Meeting Document : WG-KRILL-90/11 Rev1 : Author(s): T. Ichii (Japan)
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Ecosystem conservation and the race to krill
improvements in the management of Antarctic krill fisheries, including establishing feedback management ... protective measures to prevent excessive concentration of krill fishing in coastal areas close to predator ... colonies in Subarea 48.1. This is of particular relevance since fishing has in recent years been ... concentrated in coastal locations in 48.1. Author(s): Submitted by ASOC Title: Ecosystem conservation and the ...
Meeting Document : CCAMLR-XXXIV/BG/28 Rev. 1 : Author(s): Submitted by ASOC