Resultados de la búsqueda
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Linking population trends of Antarctic shag (Phalacrocorax bransfieldensis) and fish at Nelson Island, South Shetland Islands (Antarctica)
in the number of breeding pairs of Antarctic shag Phalacrocorax bransfieldensis in two colonies on ... finfish fishery has ever existed. Integral study of these parameters there showed that, in Antarctic shags ... , respectively, with both factors adversely affecting the population trends of this bird. In line with these ... premises, the declining trend observed in shag colonies on the South Shetland Islands appears to have been ...
Meeting Document : WG-EMM-16/P09 : Autor(es): R. Casaux and E. Barrera-Oro
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REPORT FROM INVITED EXPERT TO WG-EMM-PSW-08
) participated in the WG-EMM Predator Survey Workshop as Invited Expert. The terms of reference for her ... participation were as follows: 1. Participate in the Workshop on Predator Abundance in June 2008 2. Provide ... Scale Management Units in CCAMLR Convention Area 48 (ii) estimating uncertainty around abundance ... estimates (iii) identifying gaps in existing data that constrain estimation of status and advising on how ...
Meeting Document : WG-EMM-08/09 : Autor(es): R. Fewster (Invited Expert)
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Beach debris survey - Main Bay, Bird Island, South Georgia 1993/94
% decrease in overall debris levels (225 items in 1993/94 compared with 280 items reported in 1992/93 ... that in 1992/93). Of the winter debris, 60% occurred in September, following severe gales. Nylon line ... , comprising 77% of debris, was mainly identical to material used in the long-line fishery, as indicated by ... onwards, coinciding with fishing activity in the South Georgia area. All polypropylene packing bands found ...
Meeting Document : CCAMLR-XIV/BG/10 : Autor(es): Delegation of the United Kingdom
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SUMMARY OF NOTIFICATIONS FOR NEW AND EXPLORATORY FISHERIES 2010/11
Abstract: SUMMARY OF NOTIFICATIONS FOR NEW AND EXPLORATORY FISHERIES IN 2010/11 Secretariat 1 ... . Ten Members submitted 67 notifications for exploratory fisheries in 2010/11. These notifications were ... for exploratory longline fisheries for Dissostichus spp. in Subareas 48.6, 88.1, 88.2 and Divisions ... 58.4.1, 58.4.2, 58.4.3a and 58.4.3b (Table 1). There was no notification submitted for new fisheries in ...
Meeting Document : CCAMLR-XXIX/20 : Autor(es): Secretariat
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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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): S. Mormede (New Zealand)
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Incorporating information on the distribution of the krill fishery into Domain 1 MPA planning – report of the CCAMLR scholarship recipient
Abstract: This study aims to improve understanding of spatial and temporal variability in krill ... fishing activity in MPA Planning Domain 1, towards the development of a ‘cost layer’ and additional ... information for use in Marxan analyses and subsequent MPA planning activities. We provide further detail on ... the location of areas of high concentration of krill catches or ‘hotspots’ in current fishing ...
Meeting Document : WG-EMM-17/22 : Autor(es): A. Capurro, M. Santos and S. Grant
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Mercury concentrations of five species of Antarctic fish collected from CCAMLR Subareas 88.1 and 88.2
(NZFSA). In contrast, mean levels of mercury for D. mawsoni were 0.10 mg/kg-1 in the 1998 samples and ... 0.16 mg/kg-1 in the 2006 samples, both of which are well below the permissible level. Mercury levels ... had been accounted for, the mercury levels in D. eleginoides were over four times greater than in D ... levels were positively correlated with fish length in four of the species. Mercury levels also showed ...
Meeting Document : WG-FSA-07/24 : Autor(es): S.M. Hanchet, D.M. Tracey, A. Dunn, P.L. Horn and N. Smith (New Zealand)