Resultados de la búsqueda

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

   forecasts of years of good or poor recruitment for the toothfish fishery at South Georgia Author(s):  M ... , South Atlantic. Data from 13 demersal trawl surveys conducted over a 20-year period were analysed ... . Abundance of the 1+ juvenile fish cohort (13 to 15 month old dependent on survey date) was found to vary ... attained after 13-15 months was higher in years of high juvenile abundance and was significantly inversely ...

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

2. Diet and prey consumption of Antarctic petrels Thalassoica antarctica at Svarthamaren, Dronning Maud Land and at sea outside the colony

   Abstract:  The diet of the Antarctic petrel Thalassoica antarctica was studied during two years at ... Svarthamaren, an inland colony situated in Dronning Maud Land, Antarctica and in the pack-ice outside ... found in other diet studies. Estimates of food consumption for birds breeding at Svarthamaren (c ...

   Meeting Document : WG-EMM-97/58 : Autor(es): Røv, N., Lorentsen, S., Klages, N.

3. Preliminary tag-recapture based population assessment of Antarctic toothfish in Subarea 48.4

   tagging returns to be 982 tonnes in 2018. Applying the CCAMLR agreed precautionary assumption of average ... biomass across the time series and harvest rate of γ = 0.038, implies a 2018/19 yield of 37 tonnes ... the 48.4 Antarctic toothfish as a separate stock. Based on the biological characteristics of the ... 48.2, 48.6 and possibly 48.5. The current method of assessment, based on tag returns, consequently, is ...

   Meeting Document : WG-FSA-18/26 : Autor(es): T. Earl and A. Riley

4. Acoustic data analysis and models of krill spatial distribution

   Abstract:  Acoustic data obtained on the 4-5 January 1987 aboard the R/V Professor Siedlecki were ... used in three descriptors of krill spatial aggregation: power spectra for krill biomass fluctuations in ... biomass estimate. The wavenumber spectrum resembles a white noise at scales of 2-20 km, although at scales ... not vary significantly over most distances between points except for the distances smaller than 1 km ...

   Meeting Document : SC-CAMLR-VII/BG/25 : Autor(es): United States of America

5. Linking population trends of Antarctic shag (Phalacrocorax bransfieldensis) and fish at Nelson Island, South Shetland Islands (Antarctica)

   in the number of breeding pairs of Antarctic shag Phalacrocorax bransfieldensis  in two colonies on ... the 1990s up to the mid 2000s over an overall monitoring period of over two decades. It addresses ...  of this area, where an intensive commercial fishery for shag prey once operated. The analysis also ... includes comparable information on diet (by examination of regurgitated pellets), foraging patterns, and ...

   Meeting Document : WG-EMM-16/P09 : Autor(es): R. Casaux and E. Barrera-Oro

6. THE RISKS OF NOT DECIDING TO ALLOCATE THE PRECAUTIONARY KRILL CATCH LIMIT AMONG SSMUS AND ALLOWING UNCONTROLLED EXPANSION OF THE KRILL FISHERY UP TO THE TRIGGER LEVEL

   might be incurred by not deciding on such an allocation (i.e., a risk assessment of status quo ... Abstract:  After the Scientific Committee did not reach consensus and advise the Commission on the ... risks associated with three options for a Stage-1 allocation of the precautionary krill catch limit ... ability to achieve the objectives specified in Article II, and ii) the current trigger level is not as ...

   Meeting Document : WG-EMM-09/12 : Autor(es): G.M. Watters (USA), S. Hill (United Kingdom), J.T. Hinke (USA) and P. Trathan (United Kingdom)

7. Trade data analysis – Annual report of global toothfish trade data

   sources for the trade of toothfish products for the 2018 calendar year. The analysis has identified that ... in 2018 toothfish was most commonly traded as an unprocessed frozen product which could be in various ... Abstract:  This paper provides analysis on the data collated by GLOBEFISH from publicly released ... forms with mean unit values of 24.03 US$/kg for imports and 23.40 US$/kg for exports. The data ...

   Meeting Document : CCAMLR-38/BG/09 : Autor(es): CCAMLR Secretariat

8. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2014–15

   Abstract:  This report summarises the timing, depth, and location of fishing effort together with ... distributed across the three SSRUs (73% in 88.1H, 22% in 88.1K and 5% in 88.1I). As in recent years, the ... fishery were stable in the North up until 2014, then showed a decrease in mode, particularly for males (to ... three years. The strong mode of smaller (90–120 cm TL) toothfish present in the Slope fishery from 2010 ...

   Meeting Document : WG-FSA-15/36 : Autor(es): K. Large, S.M. Hanchet and S. Mormede (New Zealand)

9. Relationships between the distribution of whales and Antarctic krill Euphausia superba at South Georgia

   Abstract:  The distribution of whales and krill in two survey boxes north of South Georgia was ... southern right whale (Eubalaena glacialis) and humpback whale (Megaptera novaeangliae) the two most ... krill and whale distribution, particularly at smaller scales, may require information on krill swarm ...

   Meeting Document : WG-EMM-99/30 : Autor(es): K. Reid, A.S. Brierley (United Kingdom) and G.A. Nevitt (USA)

10. Aspects of the distribution and interannual variations in larval fish assemblages at South Georgia, Antarctica

    past 30 years. Author(s):  M.G. White (United Kingdom) Title:  Aspects of the distribution and ... life histories as pelagic larval and juvenile phases. Only 30 larval stages of the 103 fish species ... abundant with greater proximity to the coast. Studies on ichthyoplankton temporal distribution in the fjord ... within the neritic ecosystem and so have important implications for subsequent recruitment at South ...

    Meeting Document : WG-FSA-93/09 : Autor(es): M.G. White (United Kingdom)

Páginas