Resultados de la búsqueda
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SOME FIELD MATERIALS ON AREA AND SEASON OF ANTARCTIC TOOTHFISH SPAWNING
to select locations and periods of Antarctic toothfish mass spawning in some areas of the Pacific ... Ocean and Indian Ocean sectors of the Antarctic. In the Ross Sea area the most probable areas are the ... Abstract: On the results of some field materials collected from 2002 till 2008, on the basis of ... Pacific Antarctic Ridge and the Amundsen Ridge in the Amundsen Sea area. In the Cooperation Sea area the ...
Meeting Document : WG-FSA-08/14 : Autor(es): V. Prutko (Ukraine)
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Histopathology of Antarctic krill (Euphausia superba) bearing black spots
onboard a krill fishing vessel in the winter of 2003 and 2006 in the South Georgia region, the Antarctic ... secondary. The development of the tumor-like cell mass in the gonad may be the primary condition, although ... Ocean, approximately 2-5% of sub-samples of 100 krill bore small black spots. The black spots were most ... often found on the cephalothorax of the body. Three bacteria were isolated from these black spots, and ...
Meeting Document : WG-EMM-07/29 : Autor(es): S. Miwa, T. Kamaishi, T. Matsuyama, T. Hayashi and M. Naganobu (Japan)
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Identification and speciation of Antarctic skates
(COI) were sequenced in 9 species of Bathyraja skates from the Southern Oceans and New Zealand. Based ... species in the Ross Sea. A field key for identification of Ross Sea skates is provided. Author(s): P.J ... Bathyraja n. sp. cf eatonii. There was no sequence divergence among samples of B. n. sp. “dwarf” from the ... Ross Sea and South Atlantic. However, for Bathyraja n. sp. cf. eatonii and Bathyraja maccaini in the ...
Meeting Document : WG-FSA-07/27 : Autor(es): P.J. Smith, C.D. Roberts, A.L. Stewart, M. McVeagh and C.D. Struthers (New Zealand)
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A representative system of CCAMLR MPAs: taking stock and moving forward
Abstract: The adoption of the Ross Sea MPA in 2016 marked "the end of the beginning" of ... establishing a representative system of MPAs in the Convention Area. This paper provides an overview of the ... progress made by CCAMLR toward establishing a representative system of MPAs in the Southern Ocean ... realises the potential of MPAs to enhance science and governance in Antarctica, including with respect to ...
Meeting Document : CCAMLR-XXXVI/BG/25 Rev. 2 : Autor(es): Submitted by ASOC
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Improving estimates of Adélie penguin breeding population size: developing factors to adjust one-off population counts for availability bias
presented for the collection and development of data to adjust counts of Adélie penguins made at any time in ... point one week after the peak in egg laying, consistent with Standard Method A3 of the CCAMLR Ecosystem ... illustrated using data collected at the Béchervaise Island CEMP site in 2007/08. Estimates of the breeding ... methods such as mark-recapture of individually tagged birds. Given the paucity of adjustment data in the ... at any time in the breeding season to an estimate of the breeding population. The development of ... reference point one week after the peak in egg laying, consistent with Standard Method A3 of the CCAMLR ... method is illustrated using data collected at the Béchervaise Island CEMP site in 2007/08. Estimates of ... paucity of adjustment data in the literature, further collection of availability adjustment data across ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 229–241 : Autor(es): Southwell, C., J. McKinlay, L. Emmerson, R. Trebilco and K. Newbery
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Trophic study of Ross Sea Antarctic toothfish (Dissostichus mawsoni) using carbon and nitrogen stable isotopes
variables in explaining the variation of δ15N and δ13C. Positive relationships between length and δ15N ... and Terra Nova Bay Trench. In contrast, all of the four potential prey species caught in the Northern ... range of 7 ‰ (9–16 ‰) in δ15N, which is equivalent to two trophic steps. All fish, except Antimora ... implies that the diet of all species sampled was variable, or that individual species were eating a ...
Meeting Document : WG-EMM-08/27 : Autor(es): S.J. Bury, M.H. Pinkerton, D.R. Thompson, S. Hanchet, J. Brown and I. Vorster (New Zealand)
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Ideal survey patterns: an example of using a simulated world
relative abundance of the population? How well can this method detect changes in the abundance of the ... strength of the simulation method in answering these questions and in exploring the efficacy of survey ... criteria. The shot selection criteria can be either that locations of known good quality are preferentially ... selected or that locations are selected at random. The landscape and fishery are simulated in a spatially ...
Meeting Document : WG-FSA-01/75 : Autor(es): I.R. Ball and A.J. Constable (Australia)
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Movement and growth of tagged Dissostichus eleginoides around South Georgia and Shag Rocks (Subarea 48.3)
and there have been no reported recaptures of these fish tagged at South Georgia or elsewhere in the ... Rocks (Subarea 48.3) Abstract / Description: In 2000 the UK started a Patagonian toothfish ... (Dissostichus eleginoides) tagging program to investigate the spatial and temporal movement of fish and to ... there is greatest fishing activity. Most of the fish recaptured to date were tagged and released during ... Assessment Group (MRAG) Ltd in London. To increase the likelihood of recaptured tags being reported and to ... minimise the potential for non-reporting of recaptured tags, posters, in English and Spanish ... -scale of this process. Tagging in the experimental and commercial fi sheries around South Georgia ... a concen- tration of 100 mg Sr/kg fi sh. The needle was in- serted beneath the scales 1–2 cm below ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 101–111 : Autor(es): Marlow, T.R., D.J. Agnew, M.G. Purves and I. Everson
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Short note: time series of Drake Passage Oscillation Index (DPOI) from 1952 to 1988
. A low DPOI less than 10 hPa appeared in 1967 and 1980. Intervals between the years of low DPOI were ... obtaining appropriate data. The total number of monthly data used from 1952 to 1988 was 420. The mean ... differences across the Drake Passage, sea ice cover and chlorophyll-a in the Antarctic Peninsula area during ... westerlies were especially regarded as a key environmental index. Fluctuations in the westerlies across the ...
Meeting Document : WG-EMM-02/44 : Autor(es): M. Naganobu and K. Kutsuwada (Japan)
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Movement and growth of tagged toothfish around South Georgia and Shag Rocks (Subarea 48.3)
of the fish recaptured to date were tagged and released during the experimental pot fishing in 2000 ... recaptures of these fish tagged at South Georgia or elsewhere in the South Atlantic. Similarly, tags ... Abstract: In 2000 the UK started a toothfish (Dissostichus eleginoides) tagging programme. The ... aims were to investigate the spatial and temporal movement of fish and to validate growth estimates ...
Meeting Document : WG-FSA-02/28 : Autor(es): T.R. Marlow, D.J. Agnew and I. Everson (United Kingdom)