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Reproduction of the mackerel icefish (Champsocephalus gunnari) and its implications for fisheries management in the Atlantic sector of the Southern Ocean
for fisheries management in the Atlantic sector of the Southern Ocean Abstract / Description ... been reviewed and discussed in the light of existing conservation measures. Length at first spawning is ... Islands and in the South Shetland Islands/Antarctic Peninsula region. Around South Georgia spawning takes ... probably occurs in June/July. Around South Georgia males start their spawning migration earlier than ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 51–68 : Autor(es): Kock, K.-H.
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Some aspects of the relation between Antarctic krill abundance and CPUE measures in the Japanese krill fishery
Paper Title: Some aspects of the relation between Antarctic krill abundance and CPUE measures in ... limitations on the vessels, and product quality considerations- in particular the increasing tendency to avoid ... catching “green” krill. These factors result in Catch-per-Day and Catch-per-Haul measures being unlikely to ... -swarm density. Search time data may be needed to assess the density of swarms in a concentration, but ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 109–125 : Autor(es): Butterworth, D.S.
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An iterative model to construct an age/length key to assess the age composition of a new fishery for Dissostichus eleginoides in Chilean waters
new fishery for Dissostichus eleginoides in Chilean waters Abstract / Description: Traditional ... errors in cohort analysis. American Fisheries Society Symposium, 6: 49-65. ROBOTHAM, H., V. OJEDA Y W ... de la captura de Merluccius australis. En prensa. WESTRHEIM, S.J. and RICKER, W.E. 1978. Bias in ... ~~~~~ ~ '!.. 48 _ 41 711 _ 71 101 - lot In _ 1,1 IU _ It. 1,5 - I •• 10 -14 10 - •• 120 -12. ISO -IS. 110 _ It ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 11–20 : Autor(es): Robotham, V. H. and Z. Young U.
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Hydrological conditions and characteristics of icefish (Channichthyidae) distribution on the South Georgia shelf in 1986/87
) distribution on the South Georgia shelf in 1986/87 Abstract / Description: Some characteristics of spatial and ... temporal variability of the distribution of icefish (Channichthyidae) on the South Georgia shelf in ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 3–14 : Autor(es): Shnar, V.N. and V.I. Shlibanov
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1989/90 stock status and TAC assessment for Champsocephalus gunnari in Subarea 48.3 (South Georgia)
Paper Title: 1989/90 stock status and TAC assessment for Champsocephalus gunnari in Subarea 48.3 ... gunnari in South Georgia Subarea (48.3) has been made using the biostatistic material for 1982/83 to 1987 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 15–27 : Autor(es): Frolkina, Zh.A. and P. Gasyukov
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1989/1990 stock status and TAC assessment for Patagonotothen brevicauda guntheri in South Georgia subarea (48.3)
Paper Title: 1989/1990 stock status and TAC assessment for Patagonotothen brevicauda guntheri in ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 101–110 : Autor(es): Shlibanov, V.I.
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Preliminary atlas of Balaenopterid whale distribution in the Southern Ocean based on pelagic catch data
Paper Title: Preliminary atlas of Balaenopterid whale distribution in the Southern Ocean based on ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 113-193 : Autor(es): Mizroch, S.A. et. al
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Demographic characteristics of the Adélie penguin population on Béchervaise Island after 12 years of study
Ross Sea studied during the 1960s and 1970s (Ainley et al., 1983), and in relation to other CEMP ... , fecundity levels and population numbers) were analysed for the Béchervaise Island Adélie penguin colony in ... eastern Antarctica after 12 years of monitoring under the CCAMLR Ecosystem Monitoring Program (CEMP). A ... changes in annual survival rates, especially of young breeding adults, than to changes in fecundity ... for the Béchervaise Island Adélie penguin colony in eastern Antarctica after 12 years of monitoring ... comparison with data from a declining Adélie penguin population in the Ross Sea studied during the 1960s ... at Béchervaise Island were found to be more sensitive to changes in annual survival rates ... , especially of young breeding adults, than to changes in fecundity parameters. Results are discussed in ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 53–74 : Autor(es): Clarke, J., L.M. Emmerson, A. Townsend and K.R. Kerry
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Temporal variability and the interrelationships between CEMP parameters collected on Adélie penguins at Béchervaise Island
Adélie penguins at Béchervaise Island Abstract / Description: Temporal variability in a series of CCAMLR ... Béchervaise Island, Eastern Antarctica. Parameters relating to chick survival (brooding nest counts, counts of ... are critical for chick survival. There was a strong negative correlation between female foraging trip ... breeding success and foraging trip duration was low for males. Male foraging trips during the crèche period ... sites, one of these being Béchervaise Island in eastern Antarctica. CEMP is currently entering a ... skewed. Mean trip duration for each bird was calculated and a pooled mean across birds used in this ... with male crèche foraging trip duration (r = -0.64). In general, the CVs for the additional CEMP ... et al. (2002) report that breeding success was lower in years where the foraging trip durations of ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 75–90 : Autor(es): Emmerson, L.M., J. Clarke, K.R. Kerry and C. Southwell
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The effects of monitoring procedures on Adélie penguins
incubation period resulted in increased foraging trip durations and reduced breeding success. Attachment for ... single or multiple foraging trips post-hatching caused no significant increase in foraging trip durations ... loss. There was a slight reduction in return rates of birds banded for more than one season, but no ... . No reduction in fledging rates of chicks from nests of stomach-lavaged birds was detected over two ... post-hatching caused no significant increase in foraging trip durations. No reduction in fledging ... overall outcome tends to be a n increase in foraging trip durations (Wilson et al., 1989; Croll et a l ... 'E) in Eastern Antarctica through the development of an automated weighing and identification ... and five females during the incubation period resulted in increased foraging trip durations for most ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 155–164 : Autor(es): Clarke, J. and K. Kerry