Résultats de la recherche

1. Fish by-catch in the krill fishery: 2018 update

   the most frequently reported taxa in the C1 data and SISO data, with Lepidonothen larseni the most ... the commercial krill fishery catch data. As in previous years there was a high degree of overlap in ...

   Meeting Document : WG-FSA-18/10 : Auteur(s): CCAMLR Secretariat

2. Long term movements and activity patterns of an Antarctic marine apex predator: the leopard seal

   changed throughout the year with the highest values occurring during the summer which has implications for ... 22 and 31% of the time with maximum of 74 hours and a median of between 9 and 11 hours. The longest ... behaviour within, areas important to breeding populations of birds and other seals, coupled with the ... including one individual in two separate years.  Whilst the sample size is small the results represent an ...

   Meeting Document : WG-EMM-18/P09 : Auteur(s): I.J. Staniland, N. Ratcliffe, P.N. Trathan and J. Forcada

3. Antarctic icefishes (Channichthyidae) – a unique family of fishes – a review

   haemoglobin. With the exception of one species, icefish live only in the cold – stable and oxygen – rich ... the 1970’s and 1980’s with Champsocephalus gunnari as the main target species. Most stocks of this ... not attain maturity before they are 5 – 8 years old. Spawning period of most icefish species is autumn ...

   Meeting Document : WG-FSA-04/10 : Auteur(s): K.-H. Kock (Germany)

4. Preliminary assessment of mackerel icefish, Champsocephalus gunnari, on the Heard Island Plateau (Division 58.5.2) based on a survey in April–May 2003

   approximately 20% of the 2002 estimate. This decline in abundance is consistent with the passage of the strong ... in recruitment, natural mortality and growth of these fish, combined with the need to maintain a ... of un-assessed cohorts and provide for more stable catches between fishing years, while meeting the ...

   Meeting Document : WG-FSA-03/32 : Auteur(s): A.J. Constable, C.R. Davies, R. Williams and T. Lamb (Australia)

5. Spatial distribution of foraging by female Antarctic fur seals

   dispersed to specific regions associated with the continental shelf east of Patagonia (>1000 km) and to ... by lactating female fur seals predicted spatial distributions that were consistent with past ... years when there were different amounts of prey available. Females were constrained to forage mainly ...

   Meeting Document : WG-EMM-01/26 : Auteur(s): I.L. Boyd, I.J. Staniland and A.R. Martin (United Kingdom)

6. Feasibility of lead-radium dating the otoliths of blackfin icefish (Chaenocephalus aceratus) and ocellated icefish (Chionodraco rastrospinosus)

   , sample mass for the pooled otolith samples was low (~0.4 g). This finding, coupled with low radium-226 ... approach has some disadvantages, such as the circularity associated with developing a mass-growth model ... few years of growth) is possible for these species, provided there is enough sample mass and perhaps ...

   Meeting Document : WG-FSA-10/17 : Auteur(s): A.H. Andrews, M. La Mesa and J. Ashford (USA)

7. A SIMULATION MODEL FOR EVALUATING MANAGEMENT STRATEGIES TO CONSERVE BENTHIC HABITATS (VULNERABLE MARINE ECOSYSTEMS) WHICH ARE POTENTIALLY VULNERABLE TO IMPACTS FROM BOTTOM FISHERIES

   ”, a categorisation fraught with difficulty.  Instead, it means that habitats for which this would not ... as mosaics of a number of habitats along with their rates of decay, recovery and connectedness ... level that can naturally restore the original structure and function within 20 years.  It does not ...

   Meeting Document : WG-SAM-09/21 : Auteur(s): A.J. Constable (Australia)

8. Analysis of variability of krill size and fish by-catch in Japanese krill fishery based on scientific observer data

   cluster units (i.e., year, sub-area, vessel, cruise, and haul) based on a state-space model, separating ... -areas, and vessels. The potent interaction effect between year and sub-area suggests large spatio ... datasets were calculated by the multistage sampling formula with the variance terms derived from the ... objective of a study with considering the cost of observer deployment. Author(s):  T. Okuda and M. Kiyota ...

   Meeting Document : WG-EMM-12/68 : Auteur(s): T. Okuda and M. Kiyota (Japan)

9. Research plan for the exploratory longline fishery for Dissostichus spp. in 2014/15 in Division 58.4.3a

   model structure is improved with sub-fisheries “deep” and “shallow”. Three scenarios are tested. B 0 is ... estimated at around 400 tonnes and B 2013 /B 0 at around 50%. With Petersen’s method, geometric mean stock ... coming years in order to achieve a robust stock assessment that would provide advice on a catch limit ...

   Meeting Document : WG-SAM-14/17 : Auteur(s): Delegation of France

10. Disentangling the influence of three major threats on the demography of an albatross community

    % of the variability in survival, with higher survival rates following La Niña events. Habitat ... negative relationships with survival, and explained 21.2% and 22.3-31.6% of the variability. Author(s ... threats on the demography of seabird communities is vital for evidence-based conservation. Using 20 years ...

    Meeting Document : WG-FSA-2019/34 : Auteur(s): J.B. Cleeland, D. Pardo, B. Raymond, G.N. Tuck, C.R. McMahon, R.A. Phillips, R. Alderman, M.-A. Lea and M.A. Hindell

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