Search results
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Alternative methods for determining subarea or local area catch limits for krill in Statistical Area 48
Statistical Area 48 Abstract / Description: CCAMLR Conservation Measure 32/X sets a 1.5 million tonne ... implementation is low. Therefore, we consider the following trade-off to be important: choosing a biologically ... explicit alternative and delaying implementation, or choosing a biologically unrealistic alternative and ... implementing a management scheme immediately. We recognise that other trade-offs may be equally important ... * Abstract CCAMLR Conservation Measure 32/X sets a 1.5 million tonne precautionary catch limit on krill ... is low. Therefore, we consider the following tradeoff to be important: choosing a biologically ... explicit alternative and delaying implementation, or choosing a biologically unrealistic alternative and ... implementing a management scheme immediately. We recognise that other tradeoffs may be equally important ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 237–249 : Author(s): Watters, G. and R.P. Hewitt
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Target strength studies on Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea
-larvae of P. antarcticum with a total length from 13 to 70 mm, were conducted in the southeast of the ... consistently from those of post-larvae and juveniles. However, a simple model derived from the geometrical and ... both ex situ and in situ with a mean difference <1.5 dB, although the differences between the ... relationships. In the authors’ opinion the model could be used to give a first indication of the absolute ... . Leonori, I. Biagiotti, A. De Felice Istituto di Scienze Marine ISMAR-CNR Sezione Pesca Marittima ... experiments targeted at juveniles and post-larvae of P. antarcticum with a total length from 13 to 70 mm ... , a simple model derived from the geometrical and acoustic characteristics of different parts of ... from 38 to 200 kHz, can predict the experimental TS measured both ex situ and in situ with a mean ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 75–104 : Author(s): Azzali, M., I. Leonori, I. Biagiotti, A. De Felice, M. Angiolillo, M. Bottaro and M. Vacchi
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Modelling and decision making as part of the CCAMLR management regime
/ Description: This paper outlines a stylised scheme designed to address the multi-objective decision ... horizons, time steps, constraints and data) were identified in an attempt to provide a blueprint for the ... formulation of a suitable decision-making protocol for management purposes. File: 16-Miller.pdf ... outlines a stylised scheme designed to address the multi-objective decision environment essential for the ... data) were identified in an attempt to provide a blueprint for the development of suitable ... simulations of important Antarctic marine ecosystem interactions and to facilitate the formulation of a ... prise de decisions a objectifs multiples necessaire aI' amenagement efficace de l' ecosysteme marin de ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 295-322 : Author(s): Miller, D.G.M.
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Management and assessment options for the crab fishery around South Georgia
/ Description: A new fishery for the lithodid crab, Paralomis spinosissima, started in Subarea 48.3 in 1992 ... for a conservative approach to management. Such an approach includes the use of catch/effort controls ... design. One of the main aims in designing a management plan is to allow the fishery to develop at a rate ... Prince's Gardens London SW7 INA, UK Abstract A new fishery for the lithodid crab, Paralomis ... Convention point to the need for a conservative approach to management. Such an approach includes the use of ... given to their design. One of the main aims in designing a management plan is to allow the fishery to ... develop at a rate compatible with the expansion of the information base available for assessment ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 193–202 : Author(s): Basson, M. and D.D. Hoggarth
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Can toothfish catches be used to predict the presence of vulnerable benthic invertebrate taxa?
rates and benthic invertebrate catch rates at the scale of a longline segment, ~1 200 m. Analysis of the ... predicting Antarctic toothfish (Dissostichus mawsoni) catch at the scale of a longline segment. This supports ... catch at the scale of a longline set, ~7 km. Further studies at intermediate scales (10–100 km) would be ... distributions, showing a high degree of spatial overlap with the fishery. File: 06parker-smith.pdf ... to correlate toothfish catch rates and benthic invertebrate catch rates at the scale of a longline ... of a longline segment. This supports conclusions of previous work finding no relationship between ... aggregate VME indicator taxa weight and toothfish catch at the scale of a longline set, ~7 km. Further ... VME indicator taxa have regionally concentrated distributions, showing a high degree of spatial ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 87–96 : Author(s): Parker, S.J. and M.H. Smith
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Discrimination of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) using otolith morphometrics
, was recognised in 2010 with the identification of a new species, M. caml. Grenadier are the main by ... -frequency and relative importance of grenadiers as prey to toothfish, a method of distinguishing between ... otoliths of the two species was sought. Based on 220 M. whitsoni and 307 M. caml otoliths, a linear ... excellent discrimination between the two species (92% success). A method was also developed to discriminate ... (CCAMLR Subareas 88.1 and 88.2) (Stevenson et al., 2014). A by-catch of 10 tonnes of grenadiers was ... (Stevenson et al., 2014). Grenadiers are also a major prey species of Ant- arctic toothfish in the region ... potential for a ‘predation release’ of grenadiers as the number of toothfish reduces due to fishing ... Year Census of Antarctic Marine Life (IPY- CAML) voyage in 2008 led to the identification of a new ...
Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 15–28 : Author(s): Pinkerton, M.H., C. Ó Maolagáin, J. Forman and P. Marriott
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The Kerguelen database
Paper Title: The Kerguelen database Abstract / Description: A database for fishery statistics ... 1984/85 fishing season, the data from 25 445 trawls had been entered into the database. A graphical ... representation of these data is presented for several parameters including a distribution of the fishing effort ... - Abstract A database for fishery statistics and biological WG-CFSA-86/3 data for the Kerguelen EEZ has ... trawls had been entered into the database. A graphical representation of these data is presented for ... several parameters including a distribution of the fishing effort, position of individual trawls, total ... de statistiques de la peche dans la ZEE des lIes Kerguelen est en usage en France depuis 1979. A la ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 23-54 : Author(s): Duhamel, G.
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Diet study of Antarctic toothfish caught in the east Antarctic based on stomach content, fatty acid and stable isotope analyses
toothfish stomachs. Stomach content analyses showed that Antarctic toothfish fed primarily on fish and to a ... icefish, Arctozenus risso, Macrourus spp., and Gymnodraco acuticeps, indicating a trophic connection ... , indicating a higher trophic position. This is the first study to provide information on the diet of Antarctic ... and a regional comparison of their dietary composition by the collection and subsequent biomarker ... a lesser extent squid. FA profiles in muscle tissues of Antarctic toothfish were Park et al. 30 ... ecological risk of overfishing. Antarctic toothfish has been known to occupy a higher trophic position than ... population size could be a crucial cascading force in the food web of the Southern Ocean (Jo et al., 2013 ... (Kock, 2001; Pinkerton and Bradford-Grieve, 2014). For a sustainable fisheries management in the ...
Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 29–44 : Author(s): Park, H.J. , I. Yeon, E. Han, Y.J. Lee, S.M. Hanchet, G.W. Baeck, Y. Kwon, S.G. Choi, D.W. Lee and C.K. Kang*
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Feeding patterns of nine species of Antarctic fish and assessment of their daily food consumption
were taken from the depth range 300 to 350 m and a total of 1 165 stomachs were collected and analysed ... food; (ii) Trematomus centronotus- a benthophage feeding mainly on amphipods, mobile and sedentary ... forms of polychaetes, with Euphausia superba also comprising a considerable portion of its diet; (iii ... ) Trematomus hansoni- a euryphage; (iv) Dissostichus mawsoni, Cygnodraco mawsoni, Gymnodraco acuticeps ... ARCTIC FISH AND ASSESSMENT OF THEIR DAILY FOOD CONSUMPTION Ye. A. Pakhomov and V. B. Tseitlin ... and a total of 1 165 stomachs were collected and analysed. The species studied were classified into ... - a benthophage feeding mainly on amphipods, mobile and sedentary forms of polychaetes, with ... Euphausia superba also comprising a considerable portion of its diet; (iii) Trematomus hansoni - a ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 321–333 : Author(s): Pakhomov, Y.A. and V.B. Tseitlin
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Preliminary report on biological observations and exploratory fishing data collected in the South Georgia area during the 1985/86 cruise of MT Carina
in the South Georgia area during the 1985/86 cruise of MT Carina Abstract / Description: A fish ... survey in South Georgia waters was undertaken from November 1985 to January 1986 as a part of the on ... mesh sizes (47 and 60 mm) were used with a bottom trawl of 32 m head rope. Catch data were collected in ... determinations. The total catch with 60 mm mesh size codends was 1305.4 tons with a mean CPUE of 1822 kg/hour. C ... /1986 CRUISE OF MT CARINA K. Kreft, J. Szynaka Poland Abstract A fish survey in South Georgia ... waters was undertaken from November 1985 to January 1986 as a part of the on-going fish stock ... mm) were used with a bottom trawl of 32 m headrope. Catch data were collected "in 249 hauls using ... age determinations. The total catch with 60 mm mesh size codends was 1305.4 tons with a mean CPUE of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 65-97 : Author(s): Kreft, K. and J. Szynaka