Resultados de la búsqueda
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Biological characteristics of Antarctic fish stocks in the Southern Scotia Arc region
Abstract: Commercial exploitation of finfish in the southern Scotia Arc took place from 1977/78 ... to 1989/90, with its heydays from 1977/78 to 1981/82. Except for Elephant Island, the state of fish ... stocks of the southern Scotia Arc region has found little attention until 1998 despite substantial ... catches in the first four years of the fishery and the possibility to sample these catches extensively ...
Meeting Document : WG-FSA-99/16 : Autor(es): K.-H. Kock (Germany), C. Jones (USA) and S. Wilhelms (Germany)
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THE RISK TO FISHERY PERFORMANCE ASSOCIATED WITH SPATIALLY RESOLVED MANAGEMENT OF ANTARCTIC KRILL (EUPHAUSIA SUPERBA) HARVESTING
will affect fishery performance. One metric of potential performance is the probability of encountering ... exploitable densities of the target species at the scale of fishing operations. The probability of ... encountering exploitable densities of Antarctic krill, Euphausia superba, at the 1 nm scale during an acoustic ... spatial scale of management units could usefully predict effects at the scale of fishing operations ...
Meeting Document : WG-EMM-09/P10 : Autor(es): S. Hill, P. Trathan and D. Agnew
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PROPOSAL FOR AN EXTENSION TO THE MARK–RECAPTURE EXPERIMENT TO ESTIMATE TOOTHFISH POPULATION SIZE IN THE SOUTH OF SUBAREA 48.4
Abstract: 1. A three-year tagging study in the South of Subarea 48.4 was initiated in the 2008/09 ... fishing season with the aims of providing the data required for assessments of the population structure ... , size, movement and growth of both Dissostichus eleginoides and Dissostichus mawsoni in the South of ... 48.4; 2. In 2008/09 a total of 214 D. eleginoides and 192 D. mawsoni were tagged and released. Two ...
Meeting Document : WG-FSA-09/18 : Autor(es): J. Roberts and D.J. Agnew (United Kingdom)
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Larval fish distribution and abundance of the western Ross Sea
carried out in the western Ross Sea in November-December 1994. The present study focused on improvement of ... the knowledge of the larval fish community in relation to its distribution and relative abundance. A ... specimens of twentyone species belonging to six families (Artedidraconidae, Bathydraconidae, Channichthyidae ... abundance of larval fish in the whole area was about 2.7 specimens / 1000 m3 of sea water filtered. The ...
Meeting Document : WG-FSA-95/11 : Autor(es): Greco, S., la Mesa, M., Vacchi, M.
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An assessment of Chaenocephalus aceratus and Pseudochaenichthys georgianus in Subarea 48.3
because of a lack of reliable biological and catch data. This paper attempts to reconstruct the fishery ... for these two species by assuming that 75% of the ‘unidentified fish’ caught by the Soviet Union in ... the years 1977 to 1988 consisted of catches of C. aceratus and P. georgianus. Biological, age-length ... from surveys, and indicate that the stock of C. aceratus has decreased from 18 000 tonnes to 6 000 ...
Meeting Document : WG-FSA-90/06 : Autor(es): D.J. Agnew (Secretariat) and K.-H. Kock (Germany)
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Is toothfish catch correlated with the catch of vulnerable benthic invertebrate taxa?
Abstract: Accurate estimation of the true impact of bottom fishing on vulnerable marine ... ecosystems (VMEs) requires knowledge of the distribution of those communities relative to the fishing ... study used the catch of the six most common vulnerable invertebrate taxa reported by observers on New ... benthic invertebrate catch rates at a longline segment level. Analysis of the data available showed no ...
Meeting Document : WG-EMM-10/27 : Autor(es): S.J. Parker and M.H. Smith (New Zealand)
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Proposal for a winter longline survey of Antarctic toothfish in Subarea 88.1 SSRUs B–C in 2016
Ross Sea region to investigate spawning dynamics of Antarctic toothfish, as requested by the Scientific ... Committee in 2013. The longline survey is designed to cover key gaps in the knowledge of the life cycle of ... Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea by collecting biological samples from a range of ... to investigate the spawning timing and locations of Antarctic toothfish in the northern Ross Sea ...
Meeting Document : WG-SAM-15/47 : Autor(es): S.J. Parker, S.M. Hanchet and R.J.C. Currey (New Zealand)
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Analysis of scientific observer data from the Saga Sea 2006–2007
Abstract: UK observers were present during all fishing operations of the Norwegian flagged Saga ... Sea from June 2006 to June 2007. This paper presents an initial analysis of the krill and fish bycatch ... sampled. Although a reasonably large number of continuous and conventional trawls were undertaken, the ... distribution of these trawls in time and space was not random. The vessel tended to fish with one trawl type ...
Meeting Document : WG-EMM-07/16 : Autor(es): P. Orr, J. Hooper, D. Agnew, J. Roe, G. Doherty and A. Pryor
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Towards a seabird mortality risk assessment: distribution of seabirds in the WCPFC Convention Area and potential overlap with fisheries
Abstract: This paper reviews the distribution of seabird species with the WCPFC Area. From a ... review of the distributions of 99 species of albatross and petrel, 16 species of albatross and 60 species ... of petrel occur within the area of the WCPFC, and are potentially vulnerable to fisheries bycatch ... . These include species with IUCN classification of Critically Endangered (n = 1), Endangered (n = 7 ...
Meeting Document : WG-FSA-06/30 : Autor(es): S. Waugh (New Zealand)
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Report on attendance at the Fifth Meeting of the Committee for Environmental Protection Under the Madrid Protocol
Abstract: This report outlines the participation of the SC-CAMLR Chair in the Fifth Meeting of ... issues of relevance to SC-CAMLR are: (a) SCAR presented to the CEP two reports regarding marine acoustic ... technology and the Antarctic environment. SCAR concluded that there is no evidence of negative impacts on the ... Antarctic marine organisms from the appropriate use of acoustic technology equipment. However, Germany had ...
Meeting Document : CCAMLR-XXI/BG/08 : Autor(es): Chair of the CCAMLR Scientific Committee