Résultats de la recherche
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A CHARACTERISATION OF THE TOOTHFISH FISHERY IN SUBAREAS 88.1 AND 88.2 FROM 1997–98 TO 2007–08
. All SSRUs in the two subareas except for 88.1D and 88.2C have now been fished. The 2008 D. mawsoni ... . The management of the SSRUs within the two subareas was changed for the 2006 season as part of a 3 ... there is no evidence for strong variation in year class strength in the fishery. Author(s): M.L ... eleven years in Subarea 88.1 and for six years in Subarea 88.2. This report summarises the large amount ...
Meeting Document : WG-FSA-08/22 : Auteur(s): M.L. Stevenson, S.M. Hanchet and A. Dunn (New Zealand)
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Informing the Scientific Committee about the revisions of the WSMPA proposal
and the EU has submitted a revised CM proposal to CCAMLR 2018. This document is based on similar ... documents submitted to WG SAM 2018 and the CCAMLR Workshop on Spatial Management (WS-SM-18). It intends to ... previously two separate WSMPA parts into one coherent WSMPA by closing the gap on the eastern coast of the ... on Antarctic marine living resources and for achieving the WSMPA specific objectives. Changes to the ...
Meeting Document : SC-CAMLR-XXXVII/BG/14 Rev. 1 : Auteur(s): Delegation of Germany
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Laboratory target strength measurements of free swimming Antarctic krill (Euphausia superba)
single animal insonifications. For mean length classes in the range [29.6, 36.2] mm the median single ... -animal target strengths are in the range [-76.7,-71.8] dB. Monte Carlo computer simulations were used to ... evaluate the effects of varying the ratio of largest to smallest echo amplitudes for a given ensemble, thus ... bias was then determined for each ensemble of experimental data and used to determine corrections which ...
Meeting Document : WG-EMM-97/75 : Auteur(s): Pauly, T., Penrose, J.D.
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Trends of Antarctic fur seal population at SSSI No. 32, Livingston Island, South Shetlands, Antarctica
parameters to an environmental index (the Southern Ocean Oscillation Index- SOI). Two fur seal censuses were ... environmental phenomena if the population is under a monitoring programme, and may have an interesting effect on ... Abstract: We update in this paper the previously reported model for the Antarctic fur seal ... . From this, we estimated an overall increase of 17% in the total population, including in this figure a ...
Meeting Document : WG-EMM-99/16 : Auteur(s): R. Hucke-Gaete, D. Torres, A. Aguayo, J. Acevedo and V. Vallejos (Chile)
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Cetaceans as indicators of historical and current changes in the East Antarctica ecosystem
Antarctic minke whales could have decreased in recent years. Decrease in availability of krill for this ... the East Antarctica ecosystem in the context of two hypotheses, the ‘krill surplus’ hypothesis in the ... middle of the past century and the recovery of krill-eater large whales since the 1980’s. There was an ... have been translated into better nutritional conditions for some krill predators like the Antarctic ...
Meeting Document : WG-EMM-16/64 : Auteur(s): Y. Fujise and L.A. Pastene
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REPORT OF THE SECOND MEETING OF THE SEABIRD BYCATCH WORKING GROUP, HERMANUS, SOUTH AFRICA, 17-18 AUGUST 2008
a useful model for ACAP, noting that an observer program with high levels of coverage had been ... fell into two broad categories: those focused on the trawl warps, and those focused around trawl nets ... . For reducing seabird strikes on trawl warps, the use of bird-scaring lines has been proven to be the ... warp strikes, there continues to be the need for more work on effective measures for reducing seabird ...
Meeting Document : WG-FSA-08/61 : Auteur(s): ACAP Seabird Bycatch Working Group
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MITIGATION OF SEABIRD CAPTURES DURING HAULING IN CCAMLR LONGLINE FISHERIES
Abstract: In recent years there has been an increased focus on reducing ‘residual’ seabird ... suggests that there are two key aspects of effective BED, firstly that they provide a deterrent to birds ... incorporates the two key functional characteristics required to reduce seabird captures during the haul ... three types and recommendations are made on a Type III BED that was developed in Division 58.5.2 and ...
Meeting Document : WG-IMAF-09/14 : Auteur(s): E. Reid, B. Sullivan (BirdLife International), K. Reid (Secretariat) and J. Clark (United Kingdom)
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Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Signy Island, South Orkney Islands, 2004/05
Island, South Orkney Islands are reported for the 2004/05 summer season. There were two sightings of ... one case the entangling material had become attached to a rock and the animal was tethered to the ... ground. The incidence of entanglement at Signy Island, albeit very low, highlights the need for CCAMLR ...
Meeting Document : SC-CAMLR-XXIV/BG/18 : Auteur(s): Delegation of the United Kingdom
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Adélie penguins as indicators of the state of the sea-ice in Adélie Land
weakened young chicks. While we haven’t seen yet the consequences of this “zero year” on the demography of ... Island, Terre Adélie, failed to fledge their chicks. This catastrophic breeding failure resulted from two ... factors. First, the season saw an extreme sea-ice extent that forced Adélie parents to cover great ... desertion by the partner and the risk of dying of prolonged fast for the chick(s). Second, the season was ...
Meeting Document : WG-EMM-17/01 Rev. 1 : Auteur(s): Y. Ropert-Coudert, A. Kato and C. Barbraud
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Adélie penguin foraging behaviour and breeding success in seasons of contrasting krill availability (Mawson Coast, Antarctica)
period. Data on meal mass and foraging trip duration were combined to provide an index of provisioning ... Abstract: Parameters measured under the CCAMLR Ecosystem Monitoring Program (CEMP) for Adélie ... present during the two-week survey period in 2001 than in 2003. Penguin parameters that showed significant ... differences between the two seasons included A5: foraging trip duration, A6: breeding success and A8: meal ...
Meeting Document : WG-EMM-03/44 : Auteur(s): J. Clarke, M. Tierney, S. Candy, S. Nicol, L. Irvine and K. Kerry (Australia)