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1. Do krill and salps compete? Contrary evidence from the krill fisheries

   t . Les raisons pouvant expliquer ces phenomilnes sont discutees. , L ( ~ H H ~ I ~ H 3 ... n e ~ o r o Kpnnsr, H ~ M ~ H H B U I ~ ~ O qseT B p e 3 y n b ~ a ~ e aKTMBHOrO nMTaHHX @ H T O ... during early spring by salp blooms could deprive krill of sufficient food and retard krill gonadal ... years (SC-CAMLR, 1997). Corroboration of this hypothesis requires the analysis of any available ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 205–216 : Автор(ы): Kawaguchi, S., T. Ichii, M. Naganobu and W.K. de la Mare

2. Effects of different harvesting strategies on the mackerel icefish Champsocephalus gunnari around South Georgia

   50% F 0.1 with F increasing three or five years after a good recruitment; pulse fishing at an ... interval of three years with no fishing in between; and changes in net selectivity resulting in a shift in ... the mackerel icefish (Champsocephalus gunnari) have been simulated for a period of 30 years. These ... , should not occur earlier than four years after a good recruitment. A forward shift in partial recruitment ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 77–100 : Автор(ы): Köster, F.W. and K.-H. Kock

3. Preliminary study on nesting Adélie penguins disturbance by unmanned aerial vehicles

   with penguins looking up and around for a few seconds when the UAV was overhead. Similar symptoms of ... there is only limited information on the subject with almost no dedicated research to address it ... . During the overflight by a UAV powered by piston engine, symptoms of vigilance were observed with ... preliminary guidelines for the next field season, were formulated. 3 Nesting Adélie penguins disturbance ... – IBB PAS) over the past 36 years (e.g. Jabłoński, 1984a; Chwedorzewska and Korczak, 2010; Korczak ...

   Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 1–16 : Автор(ы): Korczak-Abshire, M., A. Kidawa, A. Zmarz, R. Storvold, S.R. Karlsen, M. Rodzewicz, K. Chwedorzewska and A. Znój

4. Analysis of changes in biomass of fish stocks in the South Georgia area in 1976/77-1986/87

   biomass density of C. gunnari stock. High biomass density appeared with 2-4 year intervals after ... recruiting an abundant year-class to the exploited stock. The biomass of other bottom species is more stable ... gradually decreased in later years while the percentage of younger fish increased (Slosarczyk et al. 1985 ... the biomass density of C. ~ari stock. High biomass aensity appeared with ~year intervals after ... by high biomass densities was quite different. In both of them, 3-year old fish predominated ... . In a period of predominance of age-group II fish in the catches, they appeared with 2-4 year ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 185-211 : Автор(ы): Mucha, M. and W. Ślósarczyk

5. An assessment of the mackerel icefish (Champsocephalus gunnari) off Heard Island

   these figures with the growth curve shows that the age at first spawning is three years. WEIGHT ... though virtually no pre-spawning 2-year-old fish were taken with this gear in 1997, the proportion of ... recent trawl survey gives a biomass estimate of about 50 000 tonnes, with two strong year classes in ... years from the two abundant cohorts of 1 500 tonnes, comprising 900 tonnes in the first year and 600 ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 79–101 : Автор(ы): de la Mare, W.K., R. Williams and A.J. Constable

6. Distribution and relative abundance of juvenile icefish (Champsocephalus gunnari) from a trawl survey of the South Georgia shelf in June–July 1985

   mile protected zone around South Georgia to the 500 m isobath were sampled with a specially designed ... mile protected zone around South Georgia to the 500 m isobath were sampled with a specially designed ... 28 zones (strata) with depth ranges of 100-200 m, 200-300 m and 300-500 m. Tow numbers in each ... ) was employed. This trawl is made of kapron fibre netting with 20-45 mm mesh size with an inside ... station at one location was sampled with 16 tows. * the term "stratum" refers to the shelf zone of ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 55-63 : Автор(ы): Boronin, V.A., G.P. Zakharov and V.P. Shopov

7. Observations on haul-out patterns and trends in the breeding populations of southern elephant seal at Península Valdés (Patagonia) and Stranger Point (25 de Mayo - King George I.)

   reason for this decrease. One reason could be the competition with fishing fleets since the onset of ... (van Aarde, 1980). In this paper we present information on the last seven years in two breeding ... lost during lactation (Vergani, 1986). Changes in food availability could be reflected in trends of ... corresponding to 27/10, rank ± 3 to Stranger Point and to 30/9, rank ± 5 to Peninsula Valdes. Besides, the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 453-463 : Автор(ы): Vergani, D.F., M.N. Lewis and Z.B. Stanganelli

8. Acoustic data analysis and models of krill spatial distribution

   those for krill distributions. The spectral slope of -1.66 is quite consistent with the -5/3 power ... well as fish. Krill distribution is highly variable in space and time (Marr 1962), and krill often ... -1.66 and -2.04, respectively, whereas the krill spectra were much flatter with near-zero slopes ... chlorophyll may be interpreted by the turbulence model with a slight modification by biological activities ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 311–329 : Автор(ы): Morin, A., A. Okubo and K. Kawasaki

9. Use of indices of predator status and performance in CCAMLR fishery management

   factors potentially influencing or correlated with the changes. The relative merits and feasibilities of ... last year and with average(s) of previous years. Determine level of statistical significance of ... environment, evidence for short-term changes (year-to-year differences or trends over three to five years ... within species, sites and areas and reviewing factors potentially influencing or correlated with the ... of resources should not be detrimental to natural consumers (see Article 11, paragraph 3{b)). This ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 353–365 : Автор(ы): Croxall, J.P.

10. Maximum entropy reconstructions of krill distribution and estimates of krill density from acoustic surveys at South Georgia, 1996–2000

    be exploited together with new known data (Sivia, 1996). Furthermore, Skilling (1988) has shown ... (MaxEnt) have been used successfully for many years in numerous branches of physical science to ... converge on a reconstruction that is most consistent with the observed data and for which the entropy is ... consistent with common sense (Paris, 1994). The MaxEnt technique offers an advantage over geostatistical ...

    Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 91–100 : Автор(ы): Wafy, M.H., A.S. Brierley, S.F. Gull and J.L. Watkins

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