Search results
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Trawl bag selectivity in the Champsocephalus gunnari fishery
of experiment. After each haul, size composition and rate of escapement were determined and a full biological ... of the trawl bag was measured after every 10 hauls with the help of a wedge-shaped gauge used in ICNAF ... : 3KcnepHMeHTbl C CHJIOBblM nOKpblTHeM MeWKa TpaJIa (ICSEAF SELDAT,
opMa 1). CnHCOK PHCYHKOB BepXH5I5I ... Paper Title: Trawl bag selectivity in the Champsocephalus gunnari fishery Abstract / Description ... were carried out in June 1990 in the South Georgia area concurrently with trawl surveys as part of the ... main biological and oceanic research program. The results presented here are based on 29 hauls and, due ... to the limited time available for experiments, should be considered as preliminary. L 50% was 24.8 cm ... Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 295–312 : Author(s): Bidenko, V.G. and I.G. Istomin
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Preliminary results of research activities of RV Evrika in the Scotia Sea in January-March 1988
outside shelf zones. In the Weddell Sea the spawning came to an end by the time of the survey. In May ... the end of krill spawning in those areas. Due to the stronger Antarctic Circumpolar Current drift ... Paper Title: Preliminary results of research activities of RV Evrika in the Scotia Sea in January ... -March 1988 Abstract / Description: In 1987/88 a multi-disciplinary survey was conducted of the Scotia ... Sea and adjacent waters, accompanied by regular trawlings with an Isaac-Kidd trawl. The waters off ... South Georgia in particular were surveyed twice. Research activities are part of the program implemented ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 215-229 : Author(s): Maklygin, L.I., A.S. Fedorov, V.N. Shnar, Yu.A. Shulyakovsky, I.V. Krasovsky, Yu.D. Shuvaev and A.V. Kromsky
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Age determination of Notothenia gibberifrons from the South Shetland Islands, Antarctic Peninsula subarea (Subarea 48.1)
of the National Science Foundation, USA. For this study, immediately after capture, sagittal otoliths and scales ... x. After Scherbich (1975), July 1 st was taken as the birth date from which the age of fish was calculated ... Paper Title: Age determination of Notothenia gibberifrons from the South Shetland Islands ... Notothenia gibberifrons specimens collected at two localities near the South Shetland Islands (Low I. and ... scale readings gave a result of one year more. This could arise from the difficulty in differentiating ... between false and annual checks in scales. Age determination by otolith cross sections proved to be the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 143-160 : Author(s): Barrera-Oro, E.
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From the Editor
to provide management advice are not synonymous. Indeed, after considerable debate and analysis, CCAMLR ... Paper Title: From the Editor File: 12editor.pdf ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 199
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Identifying taxonomic groups vulnerable to bottom longline fishing gear in the Ross Sea region
Sponges are abundant throughout the Ross Sea region and after asteroids they are the most frequently ... . Sponges monitored for recovery after damage have shown variable responses, some repairing the damage ... Paper Title: Identifying taxonomic groups vulnerable to bottom longline fishing gear in the Ross ... vulnerable marine ecosystems (VMEs) requires a specific list of the taxa that are considered vulnerable in ... the fishery being assessed. New Zealand identified an interim list of taxa to monitor in fishery by ... -catch in the Ross Sea as part of its benthic fisheries impact assessment. The rationale for including or ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 105–127 : Author(s): Parker, S.J. and D.A. Bowden
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Factors that may influence the accuracy of abundance estimates from CCAMLR tag-recapture programs for Dissostichus spp. and best practice for addressing bias
) or remediate (account for the effect after it has occurred, such as through correcting a parameter estimate ... - lished data), and recaptures after more than eight years have been recorded in the Ross Sea, South ... Paper Title: Factors that may influence the accuracy of abundance estimates from CCAMLR tag ... -recapture programs for Dissostichus spp. and best practice for addressing bias Abstract / Description: The ... Lincoln-Petersen equation, the simplest form of an abundance estimator using tag-recapture data, was used ... programs. The methods that have been used in CCAMLR tag-recapture programs to mitigate such biases, or to ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 63–72 : Author(s): Welsford, D.C. and P.E. Ziegler
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The status of krill (Euphausia superba DANA) resources in CCAMLR Statistical Divisions 58.4.2 and 58.4.3 from 1988 to 1990. Results of acoustic surveys
based on the processing of echo sounder records and trawl catch data, but after this, only acoustic ... Paper Title: The status of krill (Euphausia superba DANA) resources in CCAMLR Statistical ... 1977 the YugNIRO Research Institute (Kerch, USSR) has carried out biological and ecological monitoring ... of krill resources in the central part of the Indian Ocean sector of the Antarctic (CCAMLR ... Statistical Divisions 58.4.2 and 58.4.3). Results of surveys conducted from 1988 to 1990 are discussed in the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 163–173 : Author(s): Bibik, V.A. and V.N. Yakovlev
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Commercial krill fisheries in the Antarctic, 1973 to 1988
in 1981/82. After 1982, catches declined sharply to a trough of 130 875 tonnes in 1983/84; a level close ... CPUE Simulation Study this would require documentation of the start and end times of fishing ... Paper Title: Commercial krill fisheries in the Antarctic, 1973 to 1988 Abstract / Description ... : STATLANT data reported to the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR ... ) are used to discern observable trends in catch and effort for the Antarctic krill (Euphausia superba ... ) fishery between 1972/73 and 1987/88. The annual krill catch rose gradually to a peak of some 500 000 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 229–281 : Author(s): Miller, D.G.M.
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Standardization of fishing effort for Champsocephalus gunnari in the South Georgia area (Subarea 48.3)
linear regression after logarithmic transformation (1): T In Ut = In UR + L In P"},, . Xj ... Paper Title: Standardization of fishing effort for Champsocephalus gunnari in the South Georgia ... to solve the model and the resultant yearly standardized CPUE shows the same trends independent of ... the values selected to standardize the model. The mean coefficient of variation for the CPUE values ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 327–336 : Author(s): Gasiukov, P.S.
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An assessment of the exploratory fishery for Dissostichus spp. on BANZARE Bank (CCAMLR Division 58.4.3b) based on fine-scale catch and effort data
over time. After sufficient rest from fishing, catch rates for these areas will initially be high ... , and the relative depletion of the stock will be an underestimate (Figure 15b). If IUU fish- ing all occurs after ... Paper Title: An assessment of the exploratory fishery for Dissostichus spp. on BANZARE Bank ... (CCAMLR Division 58.4.3b) based on fine-scale catch and effort data Abstract / Description: In 2006, the ... CCAMLR Scientific Committee expressed concern as to the status of the stock on which the exploratory ... biological data submitted by scientific observers on board vessels in the fishery. Results of a Leslie ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 55–78 : Author(s): McKinlay, J.P., D.C. Welsford, A.J. Constable and G.B. Nowara