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1. An ecosystem-based approach to management: using individual behaviour to predict the indirect effects of Antarctic krill fisheries on penguin foraging

   Abstract:  1. Changes in species’ abundance and distributions caused by human disturbances can ... have indirect effects on other species in a community. Although ecosystem approaches to management are ... conditions on these interactions. In this study, we extended a behavioural model used previously to ... penguin foraging success and behaviour in adjacent breeding sites. 3. Increased fishing pressure offshore ...

   Meeting Document : WG-EMM-03/34 : Автор(ы): S.H. Alonzo, P.V. Switzer and M. Mangel (USA)

2. An exact time of release and recapture stock assessment model applied to Macquarie Island Patagonian toothfish (Dissostichus eleginoides)

   estimated by incorporating a Petersen approach in a novel semi-parametric model using maximum likelihood ... released fish is assigned a length of time in the available population according to its estimated release ... abundance remaining in Aurora Trough was about 35% in the base-case model. In general, the selectivity model ... substantial decline in available abundance predicted by both models provides some evidence of large-scale ...

   Meeting Document : WG-FSA-00/43 : Автор(ы): G. Tuck, W. de la Mare, W. Hearn, R. Williams, A. Smith, X. He and A. Constable (Australia)

3. PREDICTING SPECIES DISTRIBUTIONS FROM MUSEUM AND HERBARIUM RECORDS USING MULTI-RESPONSE MODELS FITTED WITH MULTIVARIATE ADAPTIVE REGRESSION SPLINES

   methods for using these data. Such methods must, in particular, accommodate the difficulties caused by ... models (GAMs) that are commonly and successfully used in modelling species distributions, but has ... particular advantages in its analytical speed and the ease of transfer of analysis results to other ... dominant environmental drivers of variation in species composition. We use data from 226 species from six ...

   Meeting Document : WS-VME-09/P02 : Автор(ы): Elith, J., Leathwick, J.

4. Fisheries risks to the population viability of black petrel (Procellaria parkinsoni)

   1.2% and 3.1% per year. Mark-recapture data were useful in estimating demographic parameters, like ... spend an average of 1.2 y in the colony as pre-breeders, with only 3% skipping the pre-breeder phase. Of ... birds that appear in the study area as pre-breeders and survive to breed, only 68% do so in the study ... well determined because we can’t distinguish mortality from emigration (birds that breed in an area ...

   Meeting Document : WG-SAM-10/P01 : Автор(ы): R.I.C.C. Francis and E.A. Bell (New Zealand)

5. Conservation Measure Conservation Measure 178/XVIII (1999)

   Limitation of the By-catch in Statistical Division 58.5.2 in the 1999/2000 Season Area:  Division ... 58.5.2 Adopted at Meeting:  CCAMLR-XVIII Period in Force:  1999- 2000 ... Limitation of the By-catch in Statistical Division 58.5.2 in the 1999/2000 Season 1. There shall be no ... directed fishing for any species other than Dissostichus eleginoides and Champsocephalus gunnari in ... Statistical Division 58.5.2 in the 1999/2000 fishing season. 2. In directed fisheries in Statistical Division ... 58.5.2 in the 1999/2000 season, the by-catch of Channichthys rhinoceratus shall not exceed 150 tonnes ...

   Conservation Measure : 178/XVIII (1999)

6. Histopathology of Antarctic krill (Euphausia superba) bearing black spots

   Abstract:  In Antarctic krill, Euphausia superba, sampled by a Japanese scientific observer ... onboard a krill fishing vessel in the winter of 2003 and 2006 in the South Georgia region, the Antarctic ... strains were also confirmed by in situ hybridization for 16S rRNA. The melanized nodules were almost ... secondary. The development of the tumor-like cell mass in the gonad may be the primary condition, although ...

   Meeting Document : WG-EMM-07/29 : Автор(ы): S. Miwa, T. Kamaishi, T. Matsuyama, T. Hayashi and M. Naganobu (Japan)

7. Mortalidad incidental de aves en la pesquería de cherna con palangre semipelágico

   Wreckfish (Polyprion americanus) and other fish species within the Uruguayan EEZ. Observers were trained in ... period. No significant differences in mortality were found between long line types, being higher in those ... comparing their abundance during line setting and resulting mortality. Difficulties were found in mitigation ... intermediate buoys. Although this fishery is no longer in Uruguay, the need to improve some information related ...

   Meeting Document : WG-FSA-04/38 : Автор(ы): Y.H. Marín, A. Stagi and J. Chocca (Uruguay)

8. Reconciling theoretical versus empirical target strengths of krill; effects of phase variability on the distorted wave Born approximation

   , the authors noted that the differences were not entirely due to noise. In this study, the accuracy of ... the DWBA model is further explored. Results indicate that phase variability in the scatter from ... elements of a discretized bent cylinder (krill model) causes a dramatic flattening in the side-lobe regions ... krill TS measurements in McGehee et al. (1998). Thus, by accounting for phase-variability in the ...

   Meeting Document : WG-EMM-02/50 : Автор(ы): D.A. Demer and S.G. Conti (USA)

9. Longline fishing at Tristan da Cunha: impacts on seabirds

   Abstract:  Tristan da Cunha and Gough Islands in the central South Atlantic Ocean support globally ... effort, probably has a much greater impact. Observations aboard one vessel in mid-winter suggest a ... bycatch rate of> 1 bird killed per 1000 hooks; this could be even higher in summer when more birds are ... from vessels fishing illegally in Tristan waters, as well as vessels in international waters that do ...

   Meeting Document : WG-FSA-01/15 : Автор(ы): N. Glass, I. Lavarello, J.P. Glass and P.G. Ryan (South Africa)

10. BEACH DEBRIS SURVEY AND INCIDENCE OF ENTANGLEMENT OF ANTARCTIC FUR SEALS ARCTOCEPHALUS GAZELLA AT SIGNY ISLAND, SOUTH ORKNEY ISLANDS 2007/2008

    ). There was a decrease in the number of plastic packaging bands with only two found in the current season ... (both of which had been cut open), marking a break in the otherwise continued rise in packaging bands ... the longevity of plastics and other materials with a high resistance to degradation in the marine ...

    Meeting Document : WG-FSA-08/26 : Автор(ы): M.J. Dunn and C.M. Waluda (UK)

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