Search results
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2006–2013 fish distribution and biomass in the Kerguelen EEZ (CCAMLR DIVISION 58-5-1) for the bathymetric range 100–1 000 m
Abstract: Three fish biomass surveys have been recently undertaken in the northern part of the ... neritic and 6 deep-sea for their upper bathymetric range). The high number of stations (up to 200 each ... time) allows to be confident with the estimation of fish biomass ranging from 247 000 to 268 000 tons ... for a ground area of about 183 000 km 2. Patagonian toothfish (Dissostichus eleginoides), with up to ...
Meeting Document : WG-FSA-14/07 : Author(s): G. Duhamel, M. Hautecœur and R. Sinegre (France)
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FIELD IDENTIFICATION GUIDE TO HEARD ISLAND AND MCDONALD ISLAND (HIMI) BENTHIC INVERTEBRATES
Abstract: At CCAMLR-XXVI the Working Group on Fish Stock Assessment (WG-FSA) noted a lack of ... specific reference material for the identification of benthic invertebrates in areas specific to which ... observers carry out their activities (SC-CAMLR-XXVI: Annex 5, paragraph 6.32). To improve the standard of ... observer identifications and also to assist in the identification of vulnerable areas, the Scientific ...
Meeting Document : WG-FSA-08/59 : Author(s): T. Hibberd and K. Moore (Australia)
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Report on the CCAMLR Marine Debris monitoring program
common type of debris items found in beach surveys. The fishing items found were mostly from longline and ... bands found at Bird Island. The amount of debris in albatross colonies at Bird Island varies; debris ... . The amount of fishing related items (fishing lines and hooks) found in wandering albatross colonies ... remains the most frequent debris item found in each season. The number of marine mammal entanglements has ...
Meeting Document : WG-FSA-15/15 : Author(s): CCAMLR Secretariat
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Large-scale oceanographic fluctuations drive Antarctic petrel survival and reproduction
predators forage over large areas, these indirect e ects may be associated with large-scale patterns of ... predict variation in the demographic parameters of Antarctic seabirds. First, we used a long-term dataset ... on adult survival (estimated from capture–mark–recapture data) and reproduction of Antarctic petrel ... exhaustive literature review to determine whether the e ects of large-scale environmental variability on ...
Meeting Document : WG-EMM-16/P14 : Author(s): S. Descamps, A. Tarroux, S.-H. Lorentsen, O.P. Love, Ø. Varpe and N.G. Yoccoz
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Address given to citizen’s marine summit, Japan By Dr I. Everson
Abstract: The main aims of CCAMLR are reviewed in an essay which discusses the advances in the ... effectiveness of harvesting, arising from developments in science and technology in comparison with the ... requirements of science to provide information for rational management. It is concluded that co-operation is ... essential between fishermen and scientists to ensure the provision of the data needed to test hypotheses ...
Meeting Document : CCAMLR-XII/BG/11 : Author(s): Delegation of United Kingdom
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Estimating krill recruitment and its variabiliity
Abstract: A maximum likelihood method is developed for the decomposition of krill density at ... length data into the proportion of recruits in population sampled in a net haul survey. Preliminary ... results from a series of 5 net haul surveys in the South Atlantic and the Indian Ocean sectors of the ... Southern Ocean give a mean recruitment rate for one year old krill of 0.339 with a standard deviation of ...
Meeting Document : WG-KRILL-93/12 : Author(s): W. de la Mare (Australia)
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Male krill grow fast and die young
Abstract: The size-differentiated sex ratio (proportion of males: POM) of Antarctic krill was ... southwest Atlantic sector, and from the krill fishery in the Southern Ocean. The percentage of males in size ... classes of adult krill was generally high in krill of 30-35 mm total length, always low in 38-42 mm krill ... for males when compared to females. These results suggest that the numbers of males should decline ...
Meeting Document : WG-EMM-07/P6 : Author(s): S. Kawaguchi, L.A. Finley, S. Jarman, S.G. Candy (Australia), R.M. Ross, L.B. Quetin (USA), V. Siegel (Germany), W. Trivelpiece (USA), M. Naganobu (Japan) and S. Nicol (Australia)
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Sounds like more krill
Abstract: Antarctic krill, Euphausia superba, comprise the foundation of the food-web in the ... Southern Ocean and are the target of a large fishery. Recently, the total abundance of krill in the Scotia ... Conservation of Antarctic Marine Living Resources (CCAMLR) to revise the precautionary catch level for krill in ... energy attributed to krill, scaled by the Greene et al. model of krill acoustical reflectivity or target ...
Meeting Document : WG-EMM-04/41 : Author(s): D.A. Demer and S.G. Conti (USA)
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Oil, marine debris and fishing gear associated with seabirds at Bird Island, South Georgia 1995/96
Abstract: In the third year of standardised recording of oil, fishing gear and marine debris at ... packaging band; another (uncut) band was found at a nest of a northern giant petrel. Parts of fishing gear ... hooks and lines regurgitated beside nests). Levels of plastic debris in fishing gear associated with ... season. The evidence of discarding of plastic waste and the loss of long-line fishing gear, especially ...
Meeting Document : SC-CAMLR-XV/BG/04 : Author(s): Delegation of the United Kingdom
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Climate change and precautionary spatial protection: ice shelves
, particularly in the Antarctic Peninsula region. One of the most evident signs of climate change has been ice ... shelf collapse; overall, 87% of the Peninsula’s glaciers have retreated in recent decades. Ice shelf ... collapse will lead to new marine habitats and to biological colonisation. Colonisation of these habitats ... potentially removes physiological barriers that have previously led to the isolation of the Antarctic benthos ...
Meeting Document : SC-CAMLR-XXX/13 : Author(s): Delegation of the United Kingdom