Résultats de la recherche

1. A preliminary investigation of the possible effects of rhizocephalan parasitism on the management of the crab fishery around South Georgia

   levels of infection by a rhizocephalan barnacle have been found in the population of the crab Paralomis ... spinosissima, which has been harvested by a new fishery around South Georgia (Subarea 48.3) since 1992. One of ... possible implications of parasitism for management are investigated by considering a population model that ... Relatively high levels of infection by a rhizocephalan barnacle have been found in the population of the ... crab Paralomis spinosissima, which has been harvested by a new fishery around South Georgia (Subarea ... stock management. The possible implications of parasitism for management are investigated by ... INTRODUCTION The first fishing trip targeting crabs in Subarea 48.3, by the FV Pro Surveyor, presented in ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 175–192 : Auteur(s): Basson, M

2. Feeding and food intake of Electrona carlsbergi (Tåning, 1932) Myctophidae

   by various methods was from 3.7 to 5.6% of fish body weight. The amount of food consumed by E ... carlsbergi feeds mainly on copepods. Daily food intake estimated by various methods was from 3.7 to 5.6% of ... fish body weight. The amount of food consumed by E. carlsbergi during the year in the waters to the ... data give a fairly complete picture of species composition of food consumed by E. carlsbergi ... fullness the derived value was divided by the sum of weights of the examined fish. Altogether 914 fish ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 411–416 : Auteur(s): Gerasimova, O.V.

3. Chilean krill fishery: analysis of the 1991 season

   paper summarises Chilean catch data for 1991. Special emphasis is given to the analysis of haul-by-haul ... fishing in Subarea 48.1 is particularly intense near CEMP sites. Other ways of using of haul-by-haul data ... : Species of fish found as by-catch during krill fishing in Subarea 48.1 (1991 season). Data from ... -by-haul data and its use in studying small-scale spatial distribution of catches. The results show ... haul-by-haul data are suggested. Resume Le present document recapitule les donnees de capture ... objective of CCAMLR, by definition, is the conservation of the Antarctic marine living resources. KriU is ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 273–287 : Auteur(s): Marín, V.H., A. Mujica and P. Eberhard

4. Estimates of circumpolar abundance of Antarctic krill based on recent acoustic density measurements

   estimates and others can be explained by a number of factors such as: an underestimation of the range or the ... of the demand for krill by predators. Even if these low krill biomass estimates are correct, regional ... target strength which has effectively underestimated the krill biomass by a factor of three, so the new ... where krill are to be found and where the major concentrations lie, and this has been confirmed by ... explained by a number of factors such as: an underestimation of the range or the acoustic biomass estimates ... krill by predators. Even if these low krill biomass estimates are correct, regional and total ... effectively underestimated the krill biomass by a factor of three, so the new survey of the South Atlantic in ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 87–99 : Auteur(s): Nicol, S., A.J. Constable and T. Pauly

5. Depth distribution and spawning pattern of Dissostichus eleginoides at South Georgia

   eleginoides) were examined using data from approximately 7000 fish sampled by observers from the 1998 fishery ... females move up slope to meet at breeding areas defined by slope position (between 800 and 1200 m depth ... ) and not by geographical position. Pre-spawning animals appear to be distributed all around the South ... water, and are concentrated to the northeast of Shag Rocks. Few spent fish were found around South ... by 0.5" of latitude. While maturity stage 5 animals are found around South Georgia, the highest ... toothfish (Dissostichus eleginoides) were examined using data from approximately 7000 fish sampled by ... males move down slope and females move up slope to meet at breeding areas defined by slope position ... (between 800 and 1200 m depth) and not by geographical position. Pre-spawning animals appear to be ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 19–36 : Auteur(s): Agnew, D.J., L. Heaps, C. Jones, A. Watson, K. Berkieta and J. Pearce

6. Editorial

   derived from acoustic data, details of the krill and fish by-catch taken in the krill fishery and a novel ... -based decision-making by CCAMLR. One of the most striking changes over the past 30 years is the increase ... undoubtedly driven by the need to publish (or be damned), however, quite often authors refer to their findings ... being ‘important to CCAMLR’ yet those papers do not get submitted for consideration by CCAMLR. I would ... acoustic data, details of the krill and fish by-catch taken in the krill fishery and a novel paper looking ... decision-making by CCAMLR. One of the most striking changes over the past 30 years is the increase in the ... driven by the need to publish (or be damned), however, quite often authors refer to their findings being ... ‘important to CCAMLR’ yet those papers do not get submitted for consideration by CCAMLR. I would urge all ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 167 : Auteur(s): Editors

7. Surface water circulation in krill fishing areas near the South Shetland Islands

   Abstract / Description:  This paper describes tracks followed by six surface drifting buoys that were ... measurements demonstrated that the oceanographic regime in these waters is not well described by geostrophic ... distribution of krill catches taken in the area by Japanese vessels during the period from 1981 to 1994. It is ... . Between these counter-flowing currents a shear current was found in the slope region. The direct current ... oceanic region between these island groups were found to be in association with the currents revealed by ... This paper describes tracks followed by six surface drifting buoys that were deployed in shelf and ... demonstrated that the oceanographic regime in these waters is not well described by geostrophic calculations ... of krill catches taken in the area by Japanese vessels during the period from 1981 to 1994. It is ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 125–136 : Auteur(s): Ichii, T. and M. Naganobu

8. Interactions of Patagonian toothfish fisheries with killer and sperm whales in the Crozet Islands Exclusive Economic Zone: an assessment of depredation levels and insights on possible mitigation strategies

   Patagonian toothfish (Dissostichus eleginoides) longline fishery is exposed to high levels of depredation by ... Patagonian toothfish were lost due to depredation by killer whales and both killer and sperm whales. Killer ... 000 m) provided higher yield and were significantly less impacted by depredation than longer lines ... whales were found to be responsible for the largest part of this loss (>75%), while sperm whales had a ... Patagonian toothfish (Dissostichus eleginoides) longline fishery is exposed to high levels of depredation by ... Patagonian toothfish were lost due to depredation by killer whales and both killer and sperm whales. Killer ... m) provided higher yield and were significantly less impacted by depredation than longer lines ... concerns the removal of fish from lines or from nets by marine mammals (Donoghue et al., 2002 ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 179–195 : Auteur(s): Tixier, P., N. Gasco, G. Duhamel, M. Viviant, M. Authier and C. Guinet

9. Results of a longline survey on seamounts in the southeast Atlantic and in Subarea 48.6 and Division 58.4.4

   the isobaths and in depths down to 1 500-2 000 m. Numerically, catches were dominated by Patagonian ... genus Macrourus were the second most abundant taxon (248 individuals). The total catch by weight was ... although this trend may be confounded by the presence of local seabed features, and juvenile fish in nearby ... 1 500-2 000 m. Numerically, catches were dominated by Patagonian toothfish (Dissostichus ... second most abundant taxon (248 individuals). The total catch by weight was 21.430 tonnes, of which D ... confounded by the presence of local seabed features, and juvenile fish in nearby shallow water. The sex ... eleginoides, by-catch, seamounts, Subarea 48.6, Division 58.4.4, CCAMLR INTRODUCTION A bottom longline ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 99–116 : Auteur(s): López Abellán, L.J. and J.F. González Jiménez

10. Results of Soviet investigations of the distribution and ecology of pelagic squids (Oegopsida) in the Southern Ocean

    total of 326 squid specimens were collected at 124 stations with sampling by midwater nets. 125 ... was increased by two or three dozen specimens mostly identified as the little-studied Alluroteuthis ... Ocean. They belong to 9 families (13 genera). The pelagic squids are very seldom caught by fishing nets ... description is also suggested for M. hamiltoni, the data on which come only from beaks found in sperm whale ... -1977 a total of 326 squid specimens were collected at 124 stations with sampling by 1nidwater nets ... ) the collection was increased by two or three dozen specimens mostly identified as the little-studied ... Southern Ocean. They belong to 9 families (13 genera). The pelagic squids are very seldom caught by ... caught by fishing gear and the ma.in material available for examination by specialists is represented ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 79-111 : Auteur(s): Lubimova, T.G.

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