Resultados de la búsqueda
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GROUNDFISH SURVEY IN CCAMLR SUB-AREA 48.3 IN APRIL 2008 WITH PRELIMINARY ASSESSMENT OF MACKEREL ICEFISH
+ and 3+ fish, with differences in the size between Shag Rocks and South Georgia and with few small fish ... Sil, with 70 bottom trawls undertaken giving good geographic coverage. Using 10 strata and the updated ... (2003), the biomass of mackerel icefish was estimated to be 80,426 tonnes, with a lower 1-sided 95% CI ... tonnes in Years 1 & 2 respectively. The Patagonian toothfish population was dominated by the same ...
Meeting Document : WG-FSA-08/28 : Autor(es): M.A. Collins, R.E. Mitchell, C.E. Main, J. Lawson, J. Watts, J. Slakowski, L. Featherstone and O. Rzewuski (UK)
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Standing stock estimates of finfish biomass from the 2002 Polarstern bottom trawl survey around Elephant Island and the South Shetland Islands (Subarea 48.1) with some notes on the composition of catches taken north of Joinville Island – D’Urville Island
and the South Shetland Islands in January – February 2002 in close collaboration with the U.S ... Chionodraco rastrospinosus. For these species, biomass estimates were found to be 3 comparable to survey ... resembled closely those in previous years. The proportion of juvenile G. gibberifrons, the most abundant ... (Subarea 48.1) with some notes on the composition of catches taken north of Joinville Island – D’Urville ...
Meeting Document : WG-FSA-02/24 : Autor(es): K.-H. Kock (Germany), C.D. Jones (USA), J. Appel (Germany), G. von Bertouch (CCAMLR Secretariat), D.F. Doolittle (USA), M. la Mesa (Italy), L. Psenichnov (Ukraine), R. Riehl (Germany), T. Romeo (Italy), S. Schöling (Germany) and L. Zane (Italy)
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Krill distribution in the western Atlantic sector of the Southern Ocean during 1983/84, 1984/85 and 1987/88 on the basis of the Soviet mesoscale surveys with Isaacs Kidd midwater trawl
). The most spatial-temporal stability of the krill distribution field with more higher biomass of ... aggregations was observed in the western part of the area from Antarctic Peninsula to the eastern part of the ... the eastern part of the Scotia Sea may cause its absence in the region of South Georgia independing of ... basis of the Soviet mesoscale surveys with Isaacs Kidd midwater trawl Approval: Approved ...
Meeting Document : WG-EMM-98/32 : Autor(es): V.A. Sushin and K.E. Shulgovsky (Russia)
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Low genetic diversity in the Antarctic toothfish (Dissostichus mawsoni) observed with mitochondrial and intron DNA markers
with mitochondrial and intron DNA markers Abstract / Description: Two molecular methods, mitochondrial ... appeared to be characterised by low diversity; no genetic variation was detected with restriction enzyme ... digested with the restriction enzymes, but there was no population differentiation among the three sea ... ) OBSERVED WITH MITOCHONDRIAL AND INTRON DNA MARKERS P.J. Smith National Institute of Water and ... detected with restriction enzyme digests of nine sub-regions of the mitochondrial genome. Polymorphisms ... were found in four of seven introns digested with the restriction enzymes, but there was no population ... number of populations or stock units of D. mawsoni is unknown. There may be one genetic stock with gene ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 43–51 : Autor(es): Smith, P.J. and P.M. Gaffney
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Growth and maturation of Euphausia superba Dana in northern areas of its distribution range (with reference to South Georgia and Bouvet Island areas)
E.superba between these two areas persist with a change of climatic epochs. During the warmer climatic epoch ... maturation in both areas begins earlier and stops later than during the colder epoch. Two spawning peaks are ... : Growth and maturation of Euphausia superba Dana in northern areas of its distribution range (with ...
Meeting Document : SC-CAMLR-VIII/BG/22 : Autor(es): Delegation of USSR
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Simulating nursery areas for Antarctic krill along the western Antarctic Peninsula with relevance for the Domain 1 MPA Planning process
early larval stages of Antarctic krill (the descent-ascent cycle) is largely controlled by temperature ... with temperature and density fields from a high-resolution model scaled by projections for 2030 for the ... areas by 2030 occupy the mid and inner-shelf, consistent with bathymetric depressions and biological hot ... successful descend-ascend cycle and enhance krill early development. Author(s): Delegations of Argentina and ...
Meeting Document : SC-CAMLR-XXXVI/BG/12 : Autor(es): Delegations of Argentina and Chile
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A guide to identification of fishes caught along with the Antarctic krill
Abstract: A field key to early life stages of Antarctic fish caught along with the Antarctic ... identification of fishes caught along with the Antarctic krill Approval: Approved ...
Meeting Document : WG-EMM-07/32 : Autor(es): T. Iwami and M. Naganobu (Japan)
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Trials with net monitoring cable during the 2017/18 and 2018/19 seasons onboard FV Saga Sea
Abstract: This paper describes trials with a net monitoring cable on board FV Saga Sea. The ... solution as described in the permit for using a third cable was abandoned at an early stage, as it was ... : Trials with net monitoring cable during the 2017/18 and 2018/19 seasons onboard FV Saga Sea Microsoft ...
Meeting Document : WG-EMM-2019/16 : Autor(es): O.R. Godø
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Sampling toothfish from longlines with unequal probabilities
with less catch effort than those outside; or more generally, sampling effort is applied in inverse ... proportion to toothfish density on the line. The present recommendation therefore indicates sampling with ... ; but, preferably, the observer should start as close as feasible, and not be consistently late or early ... . Author(s): J.R. Ashford (USA) Title: Sampling toothfish from longlines with unequal probabilities ...
Meeting Document : WG-FSA-03/85 : Autor(es): J.R. Ashford (USA)
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Krill and zooplankton populations monitored during AMLR 2004 surveys (Subarea 48.1) with respect to the long-term Elephant Island area datasets
composition indicated a very early onset of seasonal spawning activity. Krill demographics during February ... -March indicated an influx of large spawning individuals; these along with greatly increased ... that coincided with an oceanic-atmospheric “regime shift” affecting the Pacific Ocean basin. Author(s ... 48.1) with respect to the long-term Elephant Island area datasets Approval: Approved ...
Meeting Document : WG-EMM-04/72 : Autor(es): V.J. Loeb (USA)