Результаты поиска

1. Significant conservation benefits obtained from the use of a new fishing gear in the Chilean Patagonian toothfish fishery

   maximum of 0.36% of the total catch in 2006. The fishers who developed the net sleeve modification called ... Paper Title:  Significant conservation benefits obtained from the use of a new fishing gear in the ... artisanal trotline fishery for Patagonian toothfish (Dissostichus eleginoides) in Chile is described. The ... then compared with similar data obtained in 2002 in the same fleet in the same fishing grounds prior to ... Universidad Austral de Chile who have been working with us in recent years: Keno Olivares, Patricio ... the line. During the last five years in the Chilean long- line fishery for toothfish, strong ... ~70–74 cm Ø~30 cm Ø~10–15 cm ~100–120 cm Hooks Snoods ~20 cm ~15 cm ~25 cm Weight 4–8 kg ... studies of seabirds killed in previous years. The depreda- tion rate by toothed whales was evaluated ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 79–91 : Автор(ы): Moreno, C.A., R. Castro, L.J. Mújica and P. Reyes

2. Fishes of the Ross Sea Region – A field guide to common species caught in the longline fishery

   working on toothfish longline fishing vessels to identify the main species of fishes taken in the Ross Sea ... . The guide covers 30 fishes from 11 families including cartilaginous fishes (skates) and bony teleost ... are not usually caught on hooks but are eaten by toothfish and observed in stomach contents, i.e ... fishes caught in the Ross Sea region longline fishery over time. This is because there is uncertainty ... observers who collected specimens for Te Papa and who took some of the images used in this guide including ... in front of mouth. 30 to 40 scales in a diagonal row from origin of anal fin to (not including ... rays, 4 to 5 rows of small uniform teeth in upper jaw, 30 to 40 scales from origin of anal fin to ... to 5 rows of small uniform teeth in upper jaw, 30 to 40 scales from origin of anal fin to lateral ...

   Document : Site Section: Publications

3. Discussion on recent results from an integrated assessment of Antarctic krill (Euphausia superba) in Subarea 48.1

   (either decreasing or increasing) in krill biomass have not been apparent over the past 30+ years ... Abstract:  This is a companion paper to Kinzey et al. (2014), who extended the integrated stock ... from three of the models provide a robust picture of changes in the krill population.  An annual model ... surveys estimated similar absolute biomasses and changes in biomass.  A seasonal model estimated similar ...

   Meeting Document : WG-EMM-14/35 : Автор(ы): G.M. Watters, C.S. Reiss and D. Kinzey (USA)

4. Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)

   fish younger than 3.5 years. Counting translucent zones in the otoliths of D. mawsoni appears to be a ... in each consecutive mode. This indicates that the modes represented year classes and that one ... Paper Title:  Evidence to support the annual formation of growth zones in otoliths of Antarctic ... annually in the otoliths of this species. However, no evidence to validate this assumption has previously ... . 0 20 40 60 80 100 120 140 160 180 0 5 10 15 20 25 30 Age (years) To ta l l en gt h ... of data that was large but lacked any fi sh younger than 3.5 years. Counting translucent zones in ... formed annually in the otoliths of D. mawsoni aged from 1 to 3 years. The estimation of the time ... is from 0.6 to 4.0 cm yr-1 for fi sh aged from 15 to 30 years. It is interesting that all the ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 125–138 : Автор(ы): Horn, P.L., C.P. Sutton and A.L. DeVries

5. Low genetic diversity and temporal stability in the Antarctic toothfish (Dissostichus mawsoni) from near-continental seas of Antarctica

   locations, or between samples collected in consecutive years, were observed. These results, based on ... Paper Title:  Low genetic diversity and temporal stability in the Antarctic toothfish ... analysis of the most informative subset of nuclear genetic markers of SNP variation presented in Kuhn and ... Gaffney (2008), do not support genetic differentiation of samples from the Ross Sea. Discrepancies in the ... locations, or between samples collected in consecutive years, were observed. These results, based on ... mawsoni) tagging scheme in the Ross Sea for the years 1997/98 to 2004/05. Document WG-FSA-05/34. CCAMLR ... year to another. This assumption is supported by data from samples from the Ross Sea taken in 2011 ... is restricted to the Convention Area man- aged by CCAMLR. The fishery for D. mawsoni started in the ...

   Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 1–9 : Автор(ы): Mugue, N.S., A.F. Petrov, D.A. Zelenina, I.I. Gordeev and A.A. Sergeev

6. Natural mortality rate in the mackerel icefish (Champsocephalus gunnari) around South Georgia

   Paper Title:  Natural mortality rate in the mackerel icefish (Champsocephalus gunnari) around ... careful consideration of the data and available methods, several errors are noted in earlier estimates ... progressively, and significantly, lower than in the earliest years. This pattern is followed in the Heincke ... to compare the numbers at age in successive years and thus derive an estimate of the mortality of a ... Dorovskikh (1991), there appeared to be a major decline in mean survivorship in successive years (Figure 2 ... has been responsible for the increase in the latter years. Yet again a further note of caution is ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 245–257 : Автор(ы): Everson, I

7. Schedule of Conservation Measures in Force 1998/1999

   shall measure one series of 20 meshes, selected in accordance with Article 3, inserting the gauge ... mesh size in accordance with Article 5 when using a weight or dynamometer, one series of 20 meshes only ... ) This schedule lists Conservation Measures adopted by the Commission in accordance with Article IX of ... their Flag Vessels Operating in the Convention Area ......................... 20 CONSERVATION MEASURE ...

   Document : Site Section: Publications

8. On the presence of Paralomis spinosissima and Paralomis formosa in catches taken during the Spanish survey Antártida 8611

   seven hauls of the 29 made around Shag Rocks and in 20 of the 104 hauls made at South Georgia. P ... Paper Title:  On the presence of Paralomis spinosissima and Paralomis formosa in catches taken ... the archipelagos in the Scotia Sea. A total of 345 hauls was conducted, of which 29 took place around ... m. In the whole of the area surveyed, the two crab species of the genus Paralomis (P. spinosissima ... . spinosissima was caught in seven hauls of the 29 made around Shag Rocks and in 20 of the 104 hauls made at ... . Tows were 30 minutes in duration and the vessel speed was three knots. The trawl used for sampling ... , occurring in seven of the 29 hauls (24.14%) carried out around Shag Rocks and in 20 of the 104 (19.23 ... 30% sand and the remainder gravel. However, the presence of certain species of invertebrates in ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 165–173 : Автор(ы): López Abellán, L.J. and E. Balguerías

9. Significant intra-annual variability in krill distribution and abundance at South Georgia revealed by multiple acoustic surveys during 2000/01

   observations from previous years, krill density in the western box in the mid-season survey was less than that ... March 2001 (late-season). The surveys were the first in a newly planned five-year series of observations ... Paper Title:  Significant intra-annual variability in krill distribution and abundance at South ... acoustic surveys of Antarctic krill (Euphausia superba) were conducted around South Georgia in the 2000/01 ... - season (to 34.7 g m-2). In a pattern that is consistent with observations from previous years, krill ... 2004/05. Surveys in previous years have generally been restricted to a single, month-long period in ... temporally. No more ship time was available than in previous years and so survey effort had to be reduced ... results of surveys conducted in the fi rst year (2000/01) of the new series, commenting additionally on ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 71–82 : Автор(ы): Brierley, A.S., C. Goss, S.A. Grant, J.L. Watkins, K. Reid, M. Belchier, I. Everson, M.J. Jessop, V. Afanasyev and J. Robst

10. Precautionary spatial protection to facilitate the scientific study of habitats and communities under ice shelves in the context of recent, rapid, regional climate change

    communities under ice shelves in the context of recent, rapid, regional climate change Abstract / Description ... :  Recent rapid climate change is now well documented in the Antarctic, particularly in the Antarctic ... % of the Peninsula’s glaciers have retreated in recent decades. Further ice-shelf collapse will lead to ... the loss of existing marine habitats and to the creation of new habitats, with consequent changes in ... volume of deep water in Pine Island Bay has increased in recent years. Faster basal melting under the ... coastal glaciers around the Antarctic Peninsula in the last 50 years has exposed at least 2.4 × 104 km2 ... to a reduction of almost 25% in the ice shelf in just two years. Similarly, the area of the Larsen ... ) should receive long-term protection for scientific study in accordance with Article IX.2(g) of the ...

    Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 139–151 : Автор(ы): Trathan, P.N., S.M. Grant, V. Siegel and K.-H. Kock

Страницы