Результаты поиска

1. Candidate baseline data for ecosystem indicators in the Ross Sea region

   development. That plan will identify key research questions that aid in assessing the MPA’s efficacy in ... achieving its objectives. It may be helpful to have an agreed set of baseline data for key species which ... indicate the current status of marine ecosystems in the Ross Sea region. These data could then be used as ...

   Meeting Document : WS-SM-18/02 : Автор(ы): A. Dahood and G.M. Watters

2. By-catch of fish in the krill fishery

   results indicate that the by-catch of fish in the commercial krill fishery may be significant in some ... areas of the South Georgia shelf. The problem is thought to be least in open ocean krill fishing. File ... . Recently concern has been expressed that the fishery may be taking a significant by-catch of fish with the ... result that it may be responsible for significant levels of mortality in other harvested species (SC ... was very small, less than would be required by a commercial fishing fleet. Our results suggest that ... taken as by-catch during krill fishing operations from a research vessel. The results indicate that the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 381–401 : Автор(ы): Everson, I., A. Neyelov and Y.B. Permitin

3. Analysis of trawl data from the South Georgia krill fishery

   fishery are produced. The measurements indicate that the krill fishery at South Georgia is geographically ... large number of trawls were undertaken by each,vessel, with trawls being shorter in duration during the ... with shooting and hauling the net were usually short and showed little variation, whereas the time ... associated with the actual trawl phase was longer and more variable. The distance between consecutive trawls ...

   Meeting Document : WG-EMM-97/41 : Автор(ы): Parkes, G., Trathan, P.N., Everson, I., Murphy, E.J.

4. Inspection implementation report

   Inspection reports received from 01 August 2018 to 31 July 2019. Observations and suggestions for the ...

   Meeting Document : CCAMLR-38/BG/14 : Автор(ы): CCAMLR Secretariat

5. A composite recruitment index to describe interannual changes in the population structure of Antarctic krill at South Georgia

   target or station net hauls is described. This composite index is compared with an index where density ... net hauls. Therefore, when the number of station net hauls is limited, bias is likely to be reduced if ... target net haul data can be included by using the composite recruitment index. This index is used to ... %), while between 1994 and 1998 the number of 1+ krill found in the population increased with a very ... use such data to calculate recruitment indices requires firstly that the samples can be considered ... obtaining acoustic estimates of krill density that can be used to transform the length-frequency data into ... that contributes to the observed density. This distribution will be referred to as the acoustically ... assumption that is supported by the work of Ricketts et al. (1992). A comparison of these methods with the ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 71–84 : Автор(ы): Watkins, J.L

6. RECRUITMENT AND BODY SIZE IN RELATION TO TEMPERATURE IN JUVENILE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) AT SOUTH GEORGIA

   inter-annually and was found to be inversely correlated with the sea surface temperature (SST ... and larvae were not significantly correlated with juvenile density. The mean length of 1+ fish ... correlated with SST in the summer prior to adult spawning. Trends in toothfish recruitment variability ... understanding of recruitment variability holds great interest for fisheries managers and could be used refine ...

   Meeting Document : WG-FSA-08/P02 : Автор(ы): M. Belchier and M.A. Collins

7. Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Signy Island, South Orkney Islands 1996/97

   was estimated that the incidence of entanglement was 0.33%. Data are compared with results from a ... reported at Signy Island compared with only 20 entanglements recorded at sites in the South Shetland ... different observer effort. The prevalence of packaging bands shows that these are still being used and ... aboard vessels that was brought into force in 1996. The high incidence of synthetic line and fishing net ...

   Meeting Document : SC-CAMLR-XVI/BG/07 : Автор(ы): Delegation of the United Kingdom

8. Temporal variation in Antarctic sea-ice: analysis of a long-term fast-ice record from the South Orkney Islands

   connections with the sea ice variability show that there are signals in both regimes. 1bis environmental ... data from Signy Island, which we have cross-calibrated and combined with an earlier series from the ... indicate that there has been a long term decline in the duration of sea-ice at the South Orkney Islands in ... . Analyses of satellite data have shown that fast-ice duration at Signy Island reflects the larger-scale ice ...

   Meeting Document : WG-EMM-95/80 : Автор(ы): Symon, C., Murphy, E.J., Priddle, J., Clarke, A.

9. At-sea distribution and prey selection of Antarctic petrels and commercial fisheries

   superba that is projected to increase further. Comparing distribution and prey selection of fishing ... the ones breeding far away and that disperse during the non- overlap between the distribution of the ... krill consumed by Antarctic petrels, and compared this with results from fisheries, as well as from diet ... studies in other krill predators. Krill taken by Antarctic petrels did not differ in size from that taken ...

   Meeting Document : WG-EMM-16/P15 : Автор(ы): S. Descamps, A. Tarroux, Y. Cherel, K. Delord, O.R. Godø, A. Kato, B.A. Krafft, S.-H. Lorentsen, Y. Ropert-Coudert, G. Skaret and Ø. Varpe

10. Proposal for a mark–recapture experiment to estimate toothfish population size in Subarea 48.4

    in accordance with CM 41-03. During this time fish were tagged in order to start a mark-recapture ... – 2007 fishing seasons. The objective of the experiment will be to assess toothfish population structure ... and size. The research will be undertaken during April in each year by up to two vessels, details yet ... to be confirmed. The proposal is to tag 500+ fish taking 100 tonnes of catch each year. The target ...

    Meeting Document : WG-FSA-05/57 : Автор(ы): Delegation of the United Kingdom

Страницы