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1. Seabird by-catch by tuna longline fisheries off southern Africa, 1998–2000

   Abstract:  The incidental mortality of seabirds in tuna longline fisheries is estimated for the ... bycatch differed regionally in relation to the numbers of birds attending vessels. In international waters ... seabirds are killed annually in South Africa’s EEZ, of which 70% are albatrosses. Confidence in these ...

   Meeting Document : WG-FSA-01/28 : Author(s): P.G. Ryan, D.G. Keith and M. Kroese (South Africa)

2. EFFECT OF STERN-SETTING TUNNEL ON THE SINK RATE OF INTEGRATED WEIGHT LONGLINE (IWL)

   steel tube, built in to the longliner during a dry-dock refit. The tube angles downwards from where the ... line exits the baiting machine, which is positioned in the aft section of the stern setting deck, to ... longlines, conforming to the CCAMLR standard specified in conservation measure 24-02, is planned to be ... tested in a series of sets using time-depth recorders during current sea-trials and approximately three ...

   Meeting Document : WG-FSA-08/38 : Author(s): I. Hay and G. Robertson (Australia)

3. Possible effects of different levels of fishing on krill on predators - some initial modelling attempts

   Meeting of the CCAMLR's WG-Kril1 and WG-CEMP in 1992 to address this issue. First. estimates are made ... developed, in which krill abundance fluctuations impact the predator population, but not vice versa ... . Computations based on this model indicate that variability in the annual recruitment of krill results in ... predator population dynamics information in the context of the models developed, and about the model1ing of ...

   Meeting Document : WG-KRILL-93/43 : Author(s): D.S. Butterworth and R.B. Thomson (South Africa)

4. Annual Report from SCAR to CCAMLR

   ). SCAR looks to CCAMLR as a key partner in this initiative. Three new potential Scientific Research ... , Thresholds and Resilience (AntETR), State of the Antarctic Ecosystem (AntEco) and Antarctic Climate in the ... /). In particular, the SCAR-MarBIN data portal continues to gather information on marine biodiversity in ... in mutually beneficial ways. For further details see www.scar.org Author(s):  Submitted by SCAR Title ...

   Meeting Document : CCAMLR-XXX/BG/15 : Author(s): Submitted by SCAR

5. An initial examination of using CPUE as a fishery performance index for the krill fishery

   Abstract:  Early analyses of CPUE in the krill fishery concluded that it was not a useful index of ... extent to which these reflect changes in krill abundance are key elements of developing feedback ... period 2001 – 2016 (up to 26/5/2016) in Subareas 48.1, 48.2 and 48.3 to determine whether CPUE might be ... difference between this overall mean and the mean for each year in which the vessel fished. An overall ...

   Meeting Document : WG-EMM-16/10 : Author(s): CCAMLR Secretariat

6. Southern right whale (Eubalaena australis) reproductive success is influenced by krill (Euphausia superba) density and climate

   condition and, therefore, on foraging success. This, in turn, might be affected by climatically driven ... change in the abundance of the species main prey, krill (Euphausia superba), on the feeding grounds ... between 1997 and 2013 in southern Brazil, where the species concentrate during their breeding season. The ... influence southern right whale breeding success in southern Brazil by determining variation in food (krill ...

   Meeting Document : WG-EMM-16/P06 : Author(s): E. Seyboth, K.R. Groch, L. Dalla Rosa, K. Reid, P.A.C. Flores and E.R. Secchi

7. Diet overlap among top predators at the South Orkney Islands, Antarctica

   Abstract:  In order to understand interspecific trophic relationships among top predators, we ... analyzed diet information on nine bird and two seal species collected in the austral summer from 1996 to ... variable diets. This variability may be explained by fluctuations in krill availability. In years when ... fish, which increases the re-occurrence of these preys in the diets. Our samples suggest the recovery ...

   Meeting Document : WG-EMM-18/04 : Author(s): M.L. Bertolin and R. Casaux

8. Does the current South Georgia groundfish survey accurately estimate the standing stock of mackerel icefish?

   Abstract:  In subarea 48.3 mackerel icefish (Champsocephalus gunnari) are currently assessed by a ... the icefish biomass is in midwater and therefore missed by the bottom trawl survey. In January 2004, a ... short acoustic survey on FPRV Dorada showed that mackerel icefish, of all age classes, spend time in ...

   Meeting Document : WG-FSA-SAM-04/20 : Author(s): Agnew, D., Goss, C., Xavier, J., Belchier, M., Collins, M., Reid, K.

9. Linking fish and shags population trends

   reliable cause of the declining trend observed in shag colonies at the South Shetland Islands is the ... concomitant decrease in the abundance of two of their main preys, the nototheniids Notothenia rossii and ... Gobionotothen gibberifrons, owed to the intensive industrial fishing in the area in the late 1970s. Author(s ...

   Meeting Document : WG-EMM-12/36 : Author(s): R. Casaux and E. Barrera-Oro (Argentina)

10. Linking fish and shags population trends

    reliable cause of the declining trend observed in shag colonies at the South Shetland Islands is the ... concomitant decrease in the abundance of two of their main preys, the nototheniids Notothenia rossii and ... Gobionotothen gibberifrons, owed to the intensive industrial fishing in the area in the late 1970s. Author(s ...

    Meeting Document : WG-FSA-12/05 : Author(s): R. Casaux and E. Barrera-Oro (Argentina)

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