Resultados de la búsqueda
-
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
-
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
-
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
-
Natural mortality of grey rockcod (Notothenia squamifrons) in various areas of the Indian sector of the Southern Ocean
Paper Title: Natural mortality of grey rockcod (Notothenia squamifrons) in various areas of the ... Indian sector of the Southern Ocean Abstract / Description: The rate of natural mortality of grey ... empirical relationship between M and age at maturity for most fish (tn) where 50 or 70% of a population ... at maturity for most fish was determined for a population with 50% of mature fish. The values of tn ... at maturity for most fish (70%). This does not take into account primary causes of natural mortality ... . GERASIMCHOOK, V.V. 1987. Age, Growth and Natural Mortality of Antarctic Silverfish. Theses of a Report at the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 141–146 : Autor(es): Zaitsev, A.K.
-
Methodological guidelines on the assessment of trawl catchability of krill by means of statistical modelling
Paper Title: Methodological guidelines on the assessment of trawl catchability of krill by means ... of statistical modelling Abstract / Description: This paper offers an approach to the assessment of ... the relative effectiveness of krill fishing gear by means of statistical modelling. The Monte-Carlo ... assessment of complex stochastic systems, including the assessment of the effectiveness of trawl nets used in ... THE ASSESSMENT OF TRAWL CATCHABILITY OF KRILL BY MEANS OF STATISTICAL MODELLING Z.I.Kizner (U. S ... . S. R.) Abstract This paper offers an approach to the assessment of the relative effectiveness ... of krill fishing gear by means of statistical modelling. The Monte-Carlo method, which is described ... Monte-Carlo method is useful for solving problems related to the quantitative assessment of complex ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 195-222 : Autor(es): Kizner, Z.I.
-
Methodology of data collection on net selectivity and accidental mortality of fish passing through the mesh of the codend
Paper Title: Methodology of data collection on net selectivity and accidental mortality of fish ... passing through the mesh of the codend Abstract / Description: This paper contains advice on determining ... specifications of the liner are described. It also describes an experiment to determine the accidental mortality ... of fish passing through the trawl codend. It contains proposals on standardising data collection and ... - 99 - SC-CAMLR-V/BG/41 METHODOLOGY OF DATA COLLECTION ... ON NET SELECTIVITY AND ACCIDENTAL MORTALITY OF FISH PASSING THROUGH THE MESH OF THE COD END VNIRO ... codends using a special liner. The design and technical specifications of the liner are described. It ... also describes an experiment to determine the accidental mortality of fish passing through the trawl ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 99-121 : Autor(es): VNIRO (USSR)
-
An assessment of the merits of length and weight measurements of Antarctic krill Euphausia superba
Paper Title: An assessment of the merits of length and weight measurements of Antarctic krill ... Euphausia superba Abstract / Description: Published relationships of various length measurements as ... predictors of wet or dry weight in Antarctic krill Euphausia superba Dana are standardised with new data on ... the relationships of three length measurements to wet and dry weight as functions of sex, maturity ... - 371 - SC-CAMLR-VI/BG/33 AN ASSESSMENT OF THE MERITS ... OF LENGTH AND WEIGHT MEASUREMENTS OF ANTARCTIC KRILL EUPHAUSIA SUPERBA.* D.J. Morrisl, J.L ... . watkins1 , C. Ricketts2 , F. Buchholz3 , J. priddle1 (United Kingdom, Federal Republic of Germany ... ) Abstract Published relationships of various length measurements as predictors of wet or dry weight in ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 371-373 : Autor(es): Morris D.J., J.L. Watkins, C. Ricketts, F. Buchholz, and J. Priddle
-
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 ... fishery statistics to studies of krill biology and stocks Abstract / Description: General principles of ... the USSR krill fishery such as the location of exploited fishing areas and the seasonal regime of ... 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
-
Beyond MSY: a consideration of definitions of management objectives
Paper Title: Beyond MSY: a consideration of definitions of management objectives Abstract ... / Description: The concept of ‘Maximum Sustainable Yield’ (MSY) has provided a useful guideline for resource ... management under the assumptions of a simple population model and simple objectives. This paper explores ... different guidelines under more realistic population models, taking account of the objectives set out in ... comprehension, and reasonable correspondence to the behaviour of resources under exploitation. In the 1950s ... normal fishing gear, and these fish are not included in the stock as commonly thought of. At some point ... older, growth slows down, and at some point - the critical age of Ricker (1948) - losses will exceed ... at first capture (which may be greater than the age of recruitment if selective gear is used) and ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 299-322 : Autor(es): Gulland, J.A.
-
Precautionary spatial protection to facilitate the scientific study of habitats and communities under ice shelves in the context of recent, rapid, regional climate change
Paper Title: Precautionary spatial protection to facilitate the scientific study of habitats and ... communities under ice shelves in the context of recent, rapid, regional climate change Abstract / Description ... Peninsula region. One of the most evident signs of climate change has been ice-shelf collapse; overall, 87 ... % of the Peninsula’s glaciers have retreated in recent decades. Further ice-shelf collapse will lead to ... tip of the Antarctic Peninsula. No commercial fishing took place south of Antarctic Sound at the tip ... of the Southern Ocean since the 1950s. Science, 295: 1275–1277. Grassle, J.F. and L.S. Morse ... Antarctic Peninsula region (Solomon et al., 2007). Details of the underlying drivers of climate change are ... properties of the marine system are especially important for CCAMLR and include, inter alia, changes in ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 139–151 : Autor(es): Trathan, P.N., S.M. Grant, V. Siegel and K.-H. Kock