Résultats de la recherche

1. Are penguins and seals in competition for Antarctic krill at South Georgia?

   consumers of Antarctic krill. In recent years the population of fur seals has increased whereas that of ... 1989 and 2000. Foraging ranges of the two species showed considerable overlap in both years but the ... penguins than Antarctic fur seals in recent years. Krill in the diet of macaroni penguins was significantly ... Abstract:  The Antarctic fur seal and macaroni penguin are sympatric top predators that occur in ...

   Meeting Document : WG-EMM-01/22 : Auteur(s): K.E. Barlow, I.L. Boyd, J.P. Croxall, I.J. Staniland, K. Reid and A.S. Brierley (United Kingdom)

2. A CHARACTERISATION OF THE TOOTHFISH FISHERY IN SUBAREAS 88.1 AND 88.2 FROM 1997–98 TO 2007–08

   2001), these year classes are not seen in large numbers in later years in the fishery. So at this stage ... there is no evidence for strong variation in year class strength in the fishery. Author(s):  M.L ... eleven years in Subarea 88.1 and for six years in Subarea 88.2. This report summarises the large amount ... time. Although moderate numbers of small fish are caught in some years (e.g., on the Shelf in 1999 and ...

   Meeting Document : WG-FSA-08/22 : Auteur(s): M.L. Stevenson, S.M. Hanchet and A. Dunn (New Zealand)

3. Report of the UK Groundfish Survey at South Georgia (CCAMLR Subarea 48.3) in January/February 2019

   in 2017, but is comparable with the long term average. The highest catches were on the moraine banks ... of the two northern strata and at the western end of Shag Rocks, with one high catch recorded in the ... South West stratum. Clear regional differences in C. gunnari diet composition were observed. At Shag ... . superba as a prey species varied across the four regions at South Georgia, ranging from 10.48% IRI in the ...

   Meeting Document : WG-FSA-2019/20 : Auteur(s): S. Gregory, P. Hollyman, T. Earl, A. Clement, J. Visagie, L. Featherstone and M. Belchier

4. Penguins, fur seals, and fishing: prey requirements and potential competition in the South Shetland Islands, Antarctica

   et al. who asserted that the potential for competition between South Shetland predators and the ... , and fishing: prey requirements and potential competition in the South Shetland Islands, Antarctica ...

   Meeting Document : WG-EMM-99/57 : Auteur(s): D.A. Croll and B.R. Tershy (USA)

5. Results from the random stratified trawl surveys to estimate distribution and abundance of Dissostichus eleginoides and Champsocephalus gunnari in the Heard Island region (Division 58.5.2) for 2010 and 2011

   information on abundance. Catches of D. eleginoides were at half or lower than in surveys from both years than ... the average. Macrourid catches have been stable over recent years, with a fall in 2011. Skate catches ... returned in 2011 to a level more common in previous years, dominated by asteroids, anemones, ascidians and ... Abstract:  Random stratified trawl surveys were completed in September 2010 and in March to May ...

   Meeting Document : WG-FSA-11/23 : Auteur(s): G.B. Nowara, S.G. Candy and T. Lamb (Australia)

6. Feasibility of trawl surveys to estimate abundance of juvenile toothfish in Subarea 88.1

   average over the last three years, 63% of the seabed area from 0–600 m depth was not fishable in January ... conducting trawl surveys for juvenile toothfish in Subarea 88.1 (Ross Sea). Potential problems including a ... and previous research cruises. The major limitation on a trawl survey in the Ross Sea is ice cover. On ... % in 2002 to 89% in 2002. Less than 10% of the potential trawl survey area was fishable in all three ...

   Meeting Document : WG-FSA-SAM-04/07 : Auteur(s): Wood, B.A., ODriscoll, R.L., Hanchet, S.M.

7. Revised impact assessment framework to estimate the cumulative footprint and impact on VME taxa of New Zealand bottom longline fisheries in the Ross Sea region

   Abstract:  In 2008-2009 New Zealand developed an impact assessment framework to estimate the ... in the Convention area). The impact assessment framework was subsequently endorsed within CCAMLR for ... routine application by Members submitting notifications of their intent to participate in new or ... estimate the cumulative historical bottom fishing footprint of all fisheries in the CCAMLR area. The ...

   Meeting Document : WG-SAM-10/20 : Auteur(s): B.R. Sharp (New Zealand)

8. Towards the development of Marine Important Bird and Biodiversity Areas (mIBAs) for penguins in Antarctica – an update on progress

   Bird and Biodiversity Areas (mIBAs) for penguins in Antarctica – an update on progress Approval ...

   Meeting Document : WG-EMM-2019/30 : Auteur(s): J. Handley, M.-M. Rouyer, L. Pearmain, V. Warwick-Evans, P. Trathan and M.P. Dias

9. Characterisation of the exploratory fishery on Dissostichus spp. between the 2004/05 and 2016/17 fishing seasons in Division 58.4.3.a

   Abstract:  Exploratory fishing in Division 58.4.3.a is conducted by two vessels using longlines ... arrangements are in place in Division 58.4.3.a (Conservation Measures 41-05 and 41-11), while data are ... in accordance with Conservation Measure 41-06 and associated measures. The main objective of this ... paper is to provide an overview of the data collected in Division 58.4.3a up to the CCAMLR fishing ...

   Meeting Document : WG-SAM-17/20 : Auteur(s): J.-B. Lecomte, R. Sinegre, A. Rigaud and T. Okuda

10. Catchability of midwater trawls in relation to krill fishery

    , krill aggregations distribution in the study area is discussed. It is shown that while the trawl ... selectivity affects krill length composition in each trawl sample, the trawl catchability affects the ... in the study area. Several approaches to trawl samples processing are discussed. It is shown that the ... trawl samples weighting against the catch corrected taking in account the trawl catchability for each ...

    Meeting Document : WG-EMM-98/20 : Auteur(s): S.M. Kasatkina (Russia)

Pages