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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) - Version 2015 - Part B: Description of available spatial data
EMM) the background document that provides the scientific basis for the evaluation of a marine ... protected area (MPA) in the Weddell Sea planning area. The contents and structure of the whole document ... reflect its main objectives, i.e. to set out the general context of the establishment of MPAs and to ... data retrieval process (Part B); to describe the results of the scientific analyses and the MPA ...
Meeting Document : WG-EMM-15/39 : Autor(es): K. Teschke, H. Pehlke and T. Brey on behalf of the German Weddell Sea MPA (WSMPA) project team, with contributions from the participants at the International Expert Workshop on the WSMPA project (7-9 April 2014, Bremerhaven)
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Features of spatial and temporally distribution patterns of krill flux in the Scotia Sea: some comments on the development of a krill fishery management in Area 48.
the influence of geostrophic flux at various space-time scales. The availability of such information ... Abstract: The spatial variability of krill flux in the Scotia Sea calculated by using the ... distribution of krill density, water flow intensity (m 3 /s) and krill biomass (g/m3) transported by water flow ... to the Scotia Sea, were a subject of study. It is clearly illustrated that the geostrophic krill ...
Meeting Document : WG-EMM-18/21 : Autor(es): S. Kasatkina, V. Shnar and A. Malyshko
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Comparison of the catches and biological characteristics of Dissostichus mawsoni in Subarea 88.1 in seasons of 2002/03 and 2003/04
Abstract: This report presents results of an exploratory fishery for Antarctic toothfish (D ... . mawsoni) conducted by the Russian vessels “Yantar” and “Volna” for two seasons of 2002/03 and 2003/04. The ... analysis of data collected relates to catch composition, effort, CPUE, and biological characteristics in ... different SSRU, month and depth of sets longlines. The comparison of these resultants showed that in the ...
Meeting Document : WG-FSA-04/84 Rev. 1 : Autor(es): K.V. Shust, N.V. Kokorin and A.F. Petrov (Russia)
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Results of the fourth CCAMLR sponsored research survey to monitor abundance of sub-adult Antarctic toothfish in the southern Ross Sea, February 2015 and further development of the time series
Abstract: At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... first three surveys were completed in February 2012, 2013, and 2014. In this paper we provide results of ... the fourth survey in the time series. The objectives of this survey were: (1) To carry out a longline ... of high sub-adult abundance that could be included as strata in future annual surveys. The 2015 ...
Meeting Document : WG-SAM-15/44 : Autor(es): S.M. Hanchet, B.R. Sharp, S. Mormede, S.J. Parker (New Zealand) and M. Vacchi (Italy)
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Results of the third CCAMLR sponsored research survey to monitor abundance of subadult Antarctic toothfish in the southern Ross Sea, February 2014 and development of the time series
Abstract: At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... provide results of the third survey in the time series. The objectives of this third survey were: (1) To ... area to identify areas of high subadult abundance which could be included as strata in future annual ... significantly different. Age frequency data from the surveys have shown the progression of a cohort from age 7 ...
Meeting Document : WG-FSA-14/51 : Autor(es): S. Mormede, S.J. Parker, S.M. Hanchet, A. Dunn (New Zealand) and S. Gregory (United Kingdom)
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Investigation of the sensitivity of the Ross Sea toothfish assessment to withholding subsets of the available data
CCAMLR areas using integrated statistical catch-at-age stock assessment models. These models were ... model outputs of withholding from a stock assessment between one and eight years of age frequency and/or ... tag recapture data. Examining the impact of considering a subset of the available data simulates both ... the effect of not updating an assessment every year, and also the evolution of stock assessments with ...
Meeting Document : WG-SAM-11/17 : Autor(es): S. Mormede (New Zealand)
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Size compositions of males and females in the course of the life cycle of Euphausia superba
Paper Title: Size compositions of males and females in the course of the life cycle of Euphausia ... of Euphausia superba populations by sex and its seasonal variability. In this paper variations in ... size and sex composition of samples from commercial catches are analyzed over the reproductive season ... , using samples from different years. The observed variations were related to stages of krill maturity ... observations revealed considerable variations in relative size of males and females at different reproductive ... catches in different seasons and areas were analyzed for size of males and females at different stages of ... non-mature or at the beginning of maturation (lIB, ma-me); B ready for spawning with developed ... usually made it possible for the sex of larvae at stages Furcilia V and VI to be determined. Larvae were ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 3–16 : Autor(es): Makarov, R.R.
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Feeding patterns of nine species of Antarctic fish and assessment of their daily food consumption
Paper Title: Feeding patterns of nine species of Antarctic fish and assessment of their daily ... food consumption Abstract / Description: Little is known about the feeding patterns of non-commercial ... fish species in Antarctic waters. The aim of this study is to collect information on the feeding ... patterns of several commercially non-targeted species in the Indian Ocean sector of the Southern Ocean ... , but the level of krill consumption by these species might be substantial. This study was aimed at ... specimens were taken from the depth range 300 to 350 m at a rate of one sample each 4 hours. Biological ... Montgomery et al., 1989). In this case, food evacuation rate is: dS =-AS dt where S - amount of food at ... ) - amount of food at time t = O. 323 Equation (2) clearly shows that 90% of food is evacuated over a ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 321–333 : Autor(es): Pakhomov, Y.A. and V.B. Tseitlin
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A review of the trophic role of mesopelagic fish of the family Myctophidae in the Southern Ocean ecosystem
Paper Title: A review of the trophic role of mesopelagic fish of the family Myctophidae in the ... Southern Ocean ecosystem Abstract / Description: Results of research into the trophic relationships of ... myctophids demonstrate that this group of mesopelagic fish plays a significant role in the community of ... Southern Ocean marine organisms. Myctophids have the trophic status of zooplankton consumers. The large ... the food supply at various stages of these fishes' development are adequate because the waters of ... was calculated at 15 times its body weight with a daily intake of 4% body weight (Gerasimova, 1990 ... times body weight per annum) can be estimated at 157 to 364 million tonnes. The impact of predators ... trophic relationships of predators. It should be pointed out that at present there are insufficient data ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 71–77 : Autor(es): Kozlov, A.N
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Brief report of the joint Soviet-Australian expedition of the USSR FRV Professor Mesyatsev to the Australian fishing zone around the territory of Heard and McDonald Islands, May-August, 1987
Paper Title: Brief report of the joint Soviet-Australian expedition of the USSR FRV Professor ... Mesyatsev to the Australian fishing zone around the territory of Heard and McDonald Islands, May-August ... , 1987 Abstract / Description: The results of the first joint Soviet-Australian expedition to the AFZ ... around Heard and McDonald Islands are briefly reported. Environmental conditions of the shelf area of ... was most distinct in the layer deeper than 120m. Low catches at the end of July are related to the ... yield annually 6000 tonnes at the beginning of commercial exploration. Because of the short research ... three occasions in this area individual fur seals were observed. These seals were at the surface of ... - 75 - SC-CAMLR-VI/BG/16 BRIEF REPORT OF THE JOINT ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 75-103 : Autor(es): Gherasimchook, V.V., V.N. Brodin, A.V. Kljausov, I.B. Russelo, P.V. Tishkov and N.B. Zaremba