Resultados de la búsqueda
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Hydroacoustic survey of elephant island and the vicinity of King George Island, austral summer 1989
Abstract: The hydroacoustic survey found a high krill abundance in the Elephant Island area (a ... “superswarm" not unlike 1981) and a very low abundance in the King George Island area compared to last ... years survey. The total biomass in the vicinity of Elephant Island estimated from 200 kHz survey data ... was 940 k tons with only 34 k tons in the King George Island/Bransfield Strait. The survey results ...
Meeting Document : SC-CAMLR-VIII/BG/33 : Autor(es): Delegation of USA
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Collaborating to support effective protection of Southern Ocean ecosystems
Abstract: In this paper, COLTO and ASOC highlight important enforcement and compliance actions ... undertaken since CCAMLR XXXV and recommend further steps that CCAMLR can take to demonstrate leadership in ... compliance and enforcement as well as in environmental protection, including additional regulations for ... transhipments in the Convention Area; tightening legal loopholes for those involved in IUU fishing; implementing ...
Meeting Document : CCAMLR-XXXVI/BG/29 : Autor(es): Submitted by ASOC and COLTO
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Propuesta de introducción de un límite al número de barcos en las pesquerías exploratorias de austromerluza de las Subáreas estadísticas 88.1 y 88.2
per Member for the two fisheries in Statistical Subareas 88.1 and 88.2. The proposal will help ensure ... CCAMLR can continue to conserve Antarctic marine living resources in accordance with the Convention. It ... responds to a concern raised in the first performance review and will support more effective fisheries ... (s): Delegation of New Zealand Title: Proposal to introduce a vessel cap in the exploratory ...
Meeting Document : CCAMLR-38/26 : Autor(es): Delegation of New Zealand
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Actividades y tendencias de la pesca INDNR en 2018/19 y listas de barcos de pesca INDNR
Abstract: This paper summarises information held by the Secretariat in relation to IUU fishing ... fishing gear retrieved in the Convention Area are detailed in Table 1. Communication to non-Contracting ... Parties and responses received are detailed in Table 2. There is one proposed amendment to the NCP-IUU ... ): CCAMLR Secretariat Title: IUU fishing activity and trends in 2018/19 and IUU Vessel Lists Microsoft Word ...
Meeting Document : CCAMLR-38/12 Rev. 1 : Autor(es): CCAMLR Secretariat
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Short note on time series of Drake Passage Oscillation Index (DPOI) and its influence on environmental variability
Abstract: An assessment of the environmental processes influencing variability in the recruitment ... and density of Antarctic krill (Euphausia superba DANA) is important as variability in krill stocks ... affects the Antarctic marine ecosystem as a whole. Naganobu et al. (1999) had assessed variability in ... krill recruitment and density in the Antarctic Peninsula area with an environmental factor; strength of ...
Meeting Document : WG-EMM-07/14 : Autor(es): M. Naganobu and K. Kutsuwada (Japan)
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Estimating the abundance of pack-ice seals off east Antarctica
leopard seal populations in 1,500,000 km2 of pack-ice off east Antarctica between longitudes 60-150oE ... helicopters to estimate the density of seals hauled out on the ice in survey strips. The probability of ... detecting seals in survey strips was estimated using double observer line transect methods, and satellite ... extrapolate estimated densities in surveyed areas to the entire survey region. Estimating uncertainty in ...
Meeting Document : WG-EMM-05/23 : Autor(es): C. Southwell (Australia), D. Borchers, C. Paxton (United Kingdom), B. de la Mare (Canada), P. Boveng (USA), A.S. Blix and E.S. Nordoy (Norway)
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Simulation experiments and CCAMLR yield estimates using CASAL
, 2004) and investigate model performance from alternative types of observations. In general, most models ... additional data (i.e., more observation types) assisted in providing better estimates. Further research on ... “true” states with data that includes bias and variance in observations, as well as the robustness of ... the estimation model to alternative operating model assumptions. In addition, the expected uncertainty ...
Meeting Document : WG-FSA-SAM-05/9 : Autor(es): A. Dunn (New Zealand)
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Fishing equipment, marine debris and oil associated with seabirds at Bird Island, South Georgia, 2003/04
such annual report. As in most previous years, more items of fishing gear (mostly longlining gear) were ... found in association with wandering albatrosses than with any other species, although the number has ... number of debris items collected. An increase in the amount of debris and fishing items associated with ... brown skuas was recorded for the first time and was probably attributable to an increase in observer ...
Meeting Document : SC-CAMLR-XXIII/BG/16 : Autor(es): Delegation of the United Kingdom
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Changes to the Statistical Bulletin
) a revision of the boundaries in Division 58.4.3 and adjacent areas (agreed at CCAMLR-XX). The ... necessitated some re-interpretation of existing STATLANT data. In most cases, change (1) was easily implemented ... occurred. However, in a small number of historic datasets, the months are not defined and change (1) was ... problematic. Ancillary fine-scale data were used, where available, to define the months fished in the ...
Meeting Document : SC-CAMLR-XXII/BG/07 : Autor(es): Secretariat
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The diet of the Antarctic fur seal Arctocephalus gazella at Harmony Point, South Shetland Islands: evidence of opportunistic foraging on penguins?
benthic-demersal preys were represented in the samples. Overall, the Antarctic Krill Euphausia superba and ... mass in both seasons, with Gymnoscopelus nicholsi being the main prey. Interestingly, penguins were ... represented in the 39.0% and 31.9% of the samples in 2001 and 2002 and, as reflected by the reconstructed diet ... , was the main prey by mass (74.0% and 76.1%). The occurrence of penguins in the diet of A. gazella at ...
Meeting Document : WG-EMM-02/11 : Autor(es): R. Casaux, L. Bellizia and A. Baroni (Argentina)