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1. Do Adélie penguin fledgling weights provide an index of prey availability?

   crèche stages of the breeding season. In some seasons, there appeared to be constant levels of resources ... associated truncation of the distribution in poor seasons for seabirds with prolonged chick-rearing periods ... the demographic consequences of variable fledgling weights in terms of subsequent chick survival for ... as strong for the crèche foraging trips later in the season. Fledgling weights which are measured at ...

   Meeting Document : WG-EMM-05/21 : Автор(ы): L. Emmerson, C. Southwell and J. Clarke (Australia)

2. Growth per molt of male snow crab Chionoecetes opilio from Conception and Bonavista Bays, Newfoundland

   , Newfoundland, in order to estimate the increase in size at the time of molting. Ninety-two animals were ... recaptured which had usable information on growth increments. Based on the amount of growth, we hypothesized ... that 20 of these had molted once while the remainder molted twice. Two lines of evidence support this ... interpretation. First, animals in the group presumed to have molted twice were at liberty on average twice as ...

   Meeting Document : WS-CRAB-93/12 : Автор(ы): D.M. Taylor and J.M. Hoenig (USA)

3. ENVIRONMENTAL FORCING AND SOUTHERN OCEAN MARINE PREDATOR POPULATIONS: EFFECTS OF CLIMATE CHANGE AND VARIABILITY

   potentially the location where the most rapid climate change is most likely to happen, particularly in the ... include changes to the long interdecadal background signals such as the development of the El Niño ... best predictor of biological responses over longer time-scales. Around the Southern Ocean, marine ... predator populations show periodicity in breeding performance and productivity, with relationships with the ...

   Meeting Document : WG-EMM-08/P06 : Автор(ы): P.N. Trathan, J. Forcada and E.J. Murphy

4. Diet composition of Antarctic toothfish

   muscle tissue of Antarctic toothfish, bycatch specimen and icefish in the stomachs indicated a trophic ... connection between the toothfish and icefish. In this study, similarities in the δ13C values δ15N values of ... Abstract:  To identify the important prey items for pre-recruit Antarctic toothfish in the SSRUs ... fishing vessel. In the previous studies, similarities in total FA compositions and the FA profiles in ...

   Meeting Document : WG-FSA-16/06 : Автор(ы): Delegation of the Republic of Korea

5. Predicting distribution and relative abundance of mid-trophic level organisms using oceanographic parameters and acoustic backscatter

   Abstract:  Data on the distribution and abundance of mid-trophic level organisms (MTLOs) in the ... predicted backscatter reasonably well in the Pacific sector of the SO, and in an independent dataset in the ... distribution of MTLOs in other parts of the SO. Author(s):  P.C. Escobar-Flores, R.L. O’Driscoll and J.C ... proxy for MTLO abundance in the epi- and mesopelagic zones. Boosted regression trees and generalised ...

   Meeting Document : WG-EMM-18/P07 : Автор(ы): P.C. Escobar-Flores, R.L. O’Driscoll and J.C. Montgomery

6. Laboratory target strength measurements of free swimming Antarctic krill (Euphausia superba)

   enabling the estimation of threshold induced bias in the target strength estimates. The threshold induced ... were in the range of [-0.84,-0.33] dB. An error analysis of the target strength estimates detailing the ... single animal insonifications. For mean length classes in the range [29.6, 36.2] mm the median single ... freely in the tank triggering the data acquisition system when generating a back scattered signal larger ...

   Meeting Document : WG-EMM-97/75 : Автор(ы): Pauly, T., Penrose, J.D.

7. A simulation study of krill fishing by an individual Japanese trawler

   response of the index, or a response rather smaller in relative magnitude than the biomass decline. Catch ... confidence will warrant being placed in the results from a simulation model of the fishery. Author(s):  D.S ... Abstract:  A model is set up for the operation (which includes both searching and fishing) of a ... Japanese krill trawler over a half-month period, and the output is compared to statistics from a sample of ...

   Meeting Document : SC-CAMLR-VI/BG/38 : Автор(ы): D.S. Butterworth (United Kingdom)

8. Diets of sympatrically breeding Adélie, gentoo and chinstrap penguins from Admiralty Bay, South Shetland Islands, Antarctica, 1981 to 2000

   among the three species in the years of high versus low food loads. Adélie and chinstrap penguin adults ... experienced significant declines in body weight during the chick provisioning period in several of the latter ... Living Resources (AMLR) marine surveys in the area. Finally, we examined the digested portion of the ... stomach contents and noted a significant increase in the proportion of digested versus fresh stomach ...

   Meeting Document : WG-EMM-03/29 : Автор(ы): W.Z. Trivelpiece (USA), K. Salwicka (Poland) and S.G. Trivelpiece (USA)

9. Estimating food consumption of marine predators: Antarctic fur seals and macaroni penguins

   offspring production. Uncertainty in the measurement of metabolic rate led to a positive bias in the mean ... amount of food consumed. Uncertainty in most other variables had little influence on the estimated food ... algorithm showed that the seasonal demand for food peaked in both species in the second half of the breeding ... occurred in both species during the first half of the breeding season. 5. As both Antarctic fur seals and ...

   Meeting Document : WG-EMM-02/23 : Автор(ы): I.L. Boyd (United Kingdom)

10. Short note: Time series of Drake Passage Oscillation Index (DPOI) during 1952-2008 and its possible influence on environmental variability

    Abstract:  An assessment of the environmental processes influencing variability in the recruitment ... krill recruitment and density in the Antarctic Peninsula area with an environmental factor; strength of ... and density of Antarctic krill (Euphausia superba DANA) is important as variability in krill stocks ... affects the Antarctic marine ecosystem as a whole. Naganobu et al. (1999) had assessed variability in ...

    Meeting Document : WG-EMM-08/33 : Автор(ы): M. Naganobu, J. Kondo and K. Kutsuwada (Japan)

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