Resultados de la búsqueda

1. Fatty acid and stable isotope analyses to infer diet of Antarctic toothfish caught in the southern Ross Sea

   compared to lipid profiles of fish and invertebrate species taken as by-catch in the fishery or collected ... feasibility of tracking the main dietary items of Antarctic toothfish by comparing results of biomarker ... composition was determined and compared to lipid profiles of fish and invertebrate species taken as by-catch ... by comparing results of biomarker analysis and conventional diet analysis. Samples were collected ... these reflect those of diets actu- ally assimilated by consumers during their entire feeding history ... -recruit Antarctic toothfish in the southern Ross Sea by determining their lipid composition and com ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 21–36 : Autor(es): Jo, H.-S., I. Yeon, C. Lim, S.M. Hanchet, D.-W. Lee and C.-K. Kang

2. Location and intensity of the Soviet krill fishery in the Elephant Island area (South Shetland Islands), 1988/89

   maximum, for the last nine seasons the total fishing intensity by the USSR around Elephant Island has been ... km/day (11 to 13 cm/sec). An analysis of the location of fishing grounds by five-day periods showed ... seasons the total fishing intensity by the USSR around Elephant Island has been low. In 1988/89 only one ... 13 cm/sec). An analysis of the location of fishing grounds by five-day periods showed that the areas ... provides a better understanding of strategies employed in the krill fishery by various nations. This ... 1 200 hauls. This constitutes some 70 to 90% of the total number of hauls made by the Soviet fleet ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 305–335 : Autor(es): Sushin, V.A. and A.S. Myskov

3. An assessment of the impact of krill fishery on penguins in the South Shetlands

   the northern shelf of either Livingston or Elephant Island. In contrast, food consumption by penguins ... tonnes/10-20-day period), the present catch rate (≤10  x 10 3 tonnes/1O-day period) is smaller by one or ... Livingston or Elephant Island. In contrast, food consumption by penguins is estimated to be high to the ... catch rate (110 X 103 tonnes/lO-day period) is smaller by one or more orders of magnitude within the ... the potential competition in Subarea 48.1 by considering not only the overlap between the fishery ... , krill catches were calculated for each square of 10 minutes latitude by 20 minutes longitude (=l0 X 10 ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 107–128 : Autor(es): Ichii, T., M. Naganobu and T. Ogishima

4. The CCAMLR-2000 Krill Synoptic Survey: a description of the rationale and design

   International Whaling Commission (IWC) took part. The survey is by far the biggest single exercise ever carried ... out by Members in support of the Convention. Full analysis of the results of the CCAMLR-2000 Survey ... survey is by far the biggest single exercise Trathan et al. ever carried out by Members in support ... may be outweighed by increased complexity in terms of survey design, execution and subsequent ... the distribution is complex (illustrated by a variety of datasets and published papers e.g. Ichii et ... ensured that the survey area was uniformly covered by primary sampling units (transects) for the ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 1–23 : Autor(es): Trathan, P.N., J.L. Watkins, A.W.A. Murray, A.S. Brierley, I. Everson, C. Goss, J. Priddle, K. Reid, P. Ward, R. Hewitt, D. Demer, M. Naganobu, S. Kawaguchi, V. Sushin, S.M. Kasatkina, S. Hedley, S. Kim and T. Pauly

5. Vertical migrations of mackerel icefish (Champsocephalus gunnari) on the South Georgia shelf

   /87). Catch-per-hour of fishing was analysed by the time of day. Catches made by both bottom trawls ... analysed by the time of day. Catches made by both bottom trawls and midwater trawls were taken into ... and nototheniids in shelf waters of the South Georgia by means of trawl surveys. The assessment ... methodology suggested by Saville (1977) and widely used by Polish, Spanish, British and American scientists ... in years of high abundance (1982/83, 1983/84 and 1986/87). Catch-per-hour of fishing was analysed by ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 3–14 : Autor(es): Frolkina, J.A. and V.I. Shlibanov

6. Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald Islands using catch-at-age and aged mark-recapture data from the main trawl ground

   trawl ground at HIMI were used to estimate M. Catch and releases by age class for this fishery were ... were used to obtain recapture numbers by age class. Two alternative estimation models were programmed ... , albeit generated by a sim- plified error process, it was found that there was only a minor increase in ... estimate M. Catch and releases by age class for this fishery were obtained using proportions-at-length and ... recaptures of fish released in this fishery were aged and these were used to obtain recapture numbers by age ... ) models by Candy (2011), (see that paper for a detailed descrip- tion of the models and estimation ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 29–45 : Autor(es): Candy, S.G., D.C. Welsford, T. Lamb, J.J. Verdouw and J.J. Hutchins

7. CCAMLR ecosystem monitoring and management: future work

   :  Harvesting of marine living resources in the Southern Ocean is managed by the Commission for the Conservation ... procedures by summarising the gaps in the existing approach, the types of models developed for the Antarctic ... @antdiv.gov.au Abstract Harvesting of marine living resources in the Southern Ocean is managed by the ... developing ecosystem-based management procedures by summarising the gaps in the existing approach, the types ... in the Southern Ocean has been managed by the Commission for the Conservation of Antarctic Marine ... was marginalised when it was not unanimously supported by the Scientifi c Committee of CCAMLR ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 233–253 : Autor(es): Constable, A.J

8. Alternative methods for determining subarea or local area catch limits for krill in Statistical Area 48

   . Alternatives that allocate the 1.5 million tonne limit by evenly dividing the catch among subareas or by using ... . Alternatives that allocate the 1.5 million tonne limit by evenly dividing the catch among subareas or by using ... ., penguins and seals); this is mandated by Article II of the CCAMLR Convention. The probability of adverse ... impact is affected by our understanding of the relationships between krill, their predators, and their ... . The probability of adverse impact is also affected by practical considerations, such as the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 237–249 : Autor(es): Watters, G. and R.P. Hewitt

9. Areas of seabed within selected depth ranges in CCAMLR Subarea 48.3, South Georgia

   and deeper than 500 m have been estimated from nautical charts. The results are presented by CCAMLR ... estimated from nautical charts. The results are presented by CCAMLR fine-scale reporting areas. Resume ... information has been obtained by reference to small scale 'collector sheets'. These are charts containing all ... reported and validated soundings and are used to update the published charts. The areas covered by these ... °W, 54°S 36°W and 54°30'S 36°W are divided by land. The southerly part of each of these rectangles ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 459–466 : Autor(es): Everson, I. and S. Campbell

10. An index of per capita recruitment

    underestimate recruits per spawner by 30% if reasonable assumptions are made regarding the variability of ... spawner over time was confirmed by introducing cycles in the shape of the functional relationship between ... not appear to introduce additional bias. On average, PCR will underestimate recruits per spawner by ... confirmed by introducing cycles in the shape of the functional relationship between spawners and recruits ... Southern Ocean is sustained by occasional strong year classes, that adult reproductive output and pre ... -recruit survival are affected by physical and biological factors, and that monitoring these factors ...

    Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 179–196 : Autor(es): Hewitt, R

Páginas