Resultados de la búsqueda
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Commercial fishing vessels as research vessels in the Antarctic – requirements and solutions exemplified with a new vessel
Paper Title: Commercial fishing vessels as research vessels in the Antarctic – requirements and ... solutions exemplified with a new vessel Abstract / Description: The climate-induced changes presently seen ... in the ecosystems of the Antarctic region require a precautionary approach with respect to the human ... as adequate monitoring, to avoid unintended impacts on the harvested stocks and the associated ... The Antarctic region is vulnerable to human activity. In particular, under the impact of global ... ., 2013). Krill plays a key role in Antarctic marine ecosystems (Siegel, 2010). The combined impact of ... fishing activity and climate change might have unfavourable effects on the ecosystem, for exam- ple ... . 21 (2014): 11–17 11 CommerCIal fIshIng vessels as researCh vessels In the antarCtIC ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 11–17 : Autor(es): Godø, O.R., C. Reiss, V. Siegel, J.L. Watkins
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Distribution and relative abundance of juvenile icefish (Champsocephalus gunnari) from a trawl survey of the South Georgia shelf in June–July 1985
) from a trawl survey of the South Georgia shelf in June–July 1985 Abstract / Description: A trawl ... survey of the distribution and relative abundance of juvenile icefish (Champsocephalus gunnari) in South ... Georgia waters was carried out in June–July 1985. Shelf and slope areas extending from the 12 nautical ... mile protected zone around South Georgia to the 500 m isobath were sampled with a specially designed ... ABUNDANCE OF JUVENILE ICEFISH (CHAMPSOCEPHALUS GUNNARI) FROM A TRAWL SURVEY OF THE SOUTH GEORGIA SHELF IN ... the distribution and relative abundance of juvenile icefish (Chamsocephalus gunnari) in South ... Georgia waters was carried out in June-July 1985. Shelf and slope areas extending from the 12 Nautical ... mile protected zone around South Georgia to the 500 m isobath were sampled with a specially designed ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 55-63 : Autor(es): Boronin, V.A., G.P. Zakharov and V.P. Shopov
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Factors that may influence the accuracy of abundance estimates from CCAMLR tag-recapture programs for Dissostichus spp. and best practice for addressing bias
Paper Title: Factors that may influence the accuracy of abundance estimates from CCAMLR tag ... -recapture programs for Dissostichus spp. and best practice for addressing bias Abstract / Description: The ... Lincoln-Petersen equation, the simplest form of an abundance estimator using tag-recapture data, was used ... programs. The methods that have been used in CCAMLR tag-recapture programs to mitigate such biases, or to ... through the population, the overlap between the release site of individual fish and the exact location ... estimates of population size. In the CCAMLR area, tagging programs have existed in some fisheries for ... vessels commenced in the fishery at Heard Island and the McDonald Islands (Division 58.5.2) in 1998 ... (Williams et al., 2002) and at South Georgia (Subareas 48.3) and in the Ross Sea (Subarea 88.1) in 2000 ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 63–72 : Autor(es): Welsford, D.C. and P.E. Ziegler
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Book review – Biogeographic Atlas of the Southern Ocean
Paper Title: Book review – Biogeographic Atlas of the Southern Ocean Abstract / Description ... -Coudert (Eds). 2014. Biogeographic Atlas of the Southern Ocean. Scientific Committee on Antarctic Research ... by the Scientific Committee on Antarctic Research, Scott Polar Research Institute, Lensfield Road ... , Cambridge, CB2 1ER, United Kingdom (www.scar.org). Over the past few decades the field of biogeo graphy ... in geographic space and geological time on a global scale. The Southern Ocean is still a vast ... frontier of discovery, with many parts of it largely unexplored, but the recently published Biogeo ...
Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 45-46 : Autor(es): Reid, K.
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From the Editor
Paper Title: From the Editor File: 12editor.pdf ... Science and the science used by CCAMLR In the exchange between Drs Everson and Brierley, the values ... for the total biomass of krill, esti- mated using data collected during the CCAMLR- 2000 Survey ... , represent two of the estimates availa- ble. As the exchange reflects, there are a number of ways in which ... such estimates can be derived and CCAMLR recognises the importance of consider- ing all plausible ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 199
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Some specific features of the USSR krill fishery and possibilities of applying fishery statistics to studies of krill biology and stocks
Paper Title: Some specific features of the USSR krill fishery and possibilities of applying ... the USSR krill fishery such as the location of exploited fishing areas and the seasonal regime of ... their exploitation are considered. Using data obtained by the scouting vessel Globus engaged in regular ... krill fishery, it is shown that the catch-per-haul variables are associated with the fishing regime of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 237–252 : Autor(es): Dolzhenkov, V.N., T.G. Lubimova, R.R. Makarov, S.S. Parfenovich and V.A. Spiridonov
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Erratum and Addendum - Modelling catch and effort data using generalised linear models, the Tweedie distribution, random vessel effects and random stratum-by-year effects – CCAMLR Science, 11: 59–80 (2004)
models, the Tweedie distribution, random vessel effects and random stratum-by-year effects – CCAMLR ... Erratum For the GLMM the ‘effective degrees of ... freedom’, r, was incorrectly specified as 2 2 1 ˆ ˆ iiu r q u σ = - å . The correct formula is 22 1 ... ˆ ˆ iiu r u σ = å (Schall, 1991). The results in Candy (2004) were not affected by this ... notational error since the S-plus® (Insightful Company, USA) function ‘reglm’ (www.statsci. org/s/reglm.html ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 221–222 : Autor(es): Candy, S.G
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Methods of age determination for mackerel icefish (Champsocephalus gunnari Lönnberg 1905) from the South Georgia Island shelf
1905) from the South Georgia Island shelf Abstract / Description: Radii of annual elements of otoliths ... of mackerel icefish (Champsocephalus gunnari) from the South Georgia shelf were determined by ... taken in the period July to September. The latter was done using specimens from strictly defined age ... groups. It is suggested that the determined radii of annual elements of otolith could be used to adjust ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 37–49 : Autor(es): Frolkina, Zh.A.
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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 ... the locations of pelagic catches of Balaenopterid whales by month between 1931/32–1979/80. Two sets of ... maps were produced. The first series contains 24 maps of catches by species by month, and the second ... March, plus three summary maps of fin whales catches for the years 1952/53–1961/62 combined, for each of ...
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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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