Résultats de la recherche

1. A fine-scale model of the overlap between penguin foraging demands and the krill fishery in the South Shetland Islands and Antarctic Peninsula

   Paper Title:  A fine-scale model of the overlap between penguin foraging demands and the krill ... fishery in the South Shetland Islands and Antarctic Peninsula Abstract / Description:  CCAMLR has been ... using the total catch of krill taken within 100 km of penguin colonies in their breeding season ... (December to March) as an index of overlap between the potential foraging areas of penguins and the ... is no information on foraging angles at other sites in Subarea 48.1. However, studies in the Ross ... that gentoo penguins forage within 17 km of their site in Admiralty Bay, King George Island, and ... breeding sites during the summer (see for example, SC-CAMLR, 1989). Agnew (1992) found that the pattern ... foraging distances used in the model are rather shorter than those reported from study sites outside ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 99–110 : Auteur(s): Agnew, D.J. and G. Phegan

2. A review of the diet and at-sea distribution of penguins breeding within the CAMLR Convention Area (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   Paper Title:  A review of the diet and at-sea distribution of penguins breeding within the CAMLR ... Convention Area (submitted to the 2008 Joint CCAMLR-IWC Workshop) Abstract / Description:  Managing fisheries ... in an ecologically sensitive manner demands that catches do not depress stocks within the foraging ... bioenergetics models that estimate the amount of prey consumed by predators are required to inform such policy ... in estimates of diet composition across the region. Quantifying diet composition at each site is ... world, and that there is no need to recover the tag in order to obtain the data. This makes PTTs ... (1986) collected 151 droppings at the ice edge 100 km from the Amanda Bay colony from August to ... the breeding colony at Cape Boothby, Steffanson Bay and Casey Bay, where small but stable areas of ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 75–114 : Auteur(s): Ratcliffe, N. and P. Trathan

3. Is the attempt to estimate the biomass of Antarctic fish from a multi-species survey appropriate for all targeted species? Notothenia rossii in the Atlantic Ocean sector – revisited

   Paper Title:  Is the attempt to estimate the biomass of Antarctic fish from a multi-species survey ... appropriate for all targeted species? Notothenia rossii in the Atlantic Ocean sector – revisited Abstract ... / Description:  Notothenia rossii was the fi rst target species in Southern Ocean fi sheries. The species was ... already heavily fished at the beginning of the 1970s. The closure of the fishery for this species in 1985 ... Introduction The directed fi shery for Notothenia rossii was prohibited by CCAMLR in 1985. No exploitation on ... Bay onto the shelf. Much larger concentrations of fi sh have been observed regularly in rather ... offshore extension of Cumberland Bay onto the shelf. Underwater topography at this location resembles ... number of years was the extension of Cumberland Bay onto the shelf. Large catches were taken there in ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 141–153 : Auteur(s): Kock, K.-H., M. Belchier and C.D. Jones

4. Information on the status of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in the lower South Shetland Islands, derived from the 2000–2006 monitoring program at Potter Cove

   studying the offshore populations in a similar period. No recovery of the stocks of N. rossii and G ... Potter Cove Abstract / Description:  The long-term monitoring program of demersal fish at inshore sites ... Paper Title:  Information on the status of fjord Notothenia rossii, Gobionotothen gibberifrons and ... Notothenia coriiceps in the lower South Shetland Islands, derived from the 2000–2006 monitoring program at ... the offshore populations in a similar period. No recovery of the stocks of N. rossii and G ... . gibberifrons remain close to zero. No recovery of the stocks of N. rossii and G. gibberifrons has been ... , Argentina Abstract The long-term monitoring program of demersal fi sh at inshore sites of the South ... late 1970s (Barrera-Oro et al., 2000). Monitoring of fi sh in inshore sites in the South Shetland ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 83–87 : Auteur(s): Barrera-Oro, E.R. and E.R. Marschoff

5. 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 ... revealed no trace of fish and catches in the 11 trawls were low. Catches ranged from several kg to 300 ... - 75 - SC-CAMLR-VI/BG/16 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 V.V. Gherasimchook, V.N.- Brodin, A.V ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 75-103 : Auteur(s): Gherasimchook, V.V., V.N. Brodin, A.V. Kljausov, I.B. Russelo, P.V. Tishkov and N.B. Zaremba

6. The role of fish as predators of krill (Euphausia superba) and other pelagic resources in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   instance, no robust estimates of food consumption by mesopelagic fish can be provided for the vast areas of ... Paper Title:  The role of fish as predators of krill (Euphausia superba) and other pelagic ... resources in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop) Abstract / Description ... :  Krill forms an important part of the diet of many Antarctic fish species. An understanding of the role ... instance, no robust estimates of food consumption by mesopelagic fish can be provided for the vast areas ... shelf, the number of fish migrating into the Scotia Arc region diminished rapidly. No blue whiting had ... Antarctic Peninsula. No euphausiids were found in their stomachs (Geiger et al., 2000). The main diet of B ... ., 2006). Biomass in the first years of exploitation No pre-exploitation biomass estimates existed for ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 115–169 : Auteur(s): Kock, K.-H., E. Barrera-Oro, M. Belchier, M.A. Collins, G. Duhamel, S. Hanchet, L. Pshenichnov, D. Welsford and R. Williams

7. The error of the biomass estimate as a function of survey parameters and the statistics of a density field of krill aggregations

   Paper Title:  The error of the biomass estimate as a function of survey parameters and the ... the dependence of relative sampling error in a biomass estimate (from a survey) on the statistical ... characteristics of the fish concentration density field and on parameters of the survey itself, have been derived ... with the help of mathematical statistics and methods of calculus of probabilities. The biomass estimate ... survey stations are usually installed far- between, thuB, by the order of mag~tude grid steps are no ... track at a distance no more "" than R. That is why, when replacing expression hxj; A(~j)/2 by the ... - 213 - SC-CAMLR-VI/BG/39 THE ERROR OF THE BIOMASS ... ESTIMATE AS A FUNCTION OF SURVEY PARAMETERS AND THE STATISTICS OF A DENSITY FIELD OF KRILL AGGREGATIONS ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 213-228 : Auteur(s): Kizner, Z.I.

8. The influence of bait quality on the sink rate of bait used in the Japanese longline tuna fishing industry: an experimental approach

   Paper Title:  The influence of bait quality on the sink rate of bait used in the Japanese longline ... determine the effects of bait size (large versus small) and bait condition (frozen versus thawed) on the ... sink rate of five species of bait used in the Japanese longline tuna fishery in Tasmanian waters. The ... , condition) were statistically significant, the most powerful effect was due to bait condition: thawed bait ... baits or portions of whole bait on hooks lighter than the comparatively large Japanese hooks if no ... generously provided by the longline vessel owner Mr Saito and his fishing master Mr Oyama (Fukuyo Maru No ... CCAMLR Science, Vol. 2 (1995): 123-129 THE INFLUENCE OF ... BAIT QUALITY ON THE SINK RATE OF BAIT USED IN THE JAPANESE LONGLINE TUNA FISHING INDLISTRY: AN ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 123–129 : Auteur(s): Brothers, N., A. Foster and G. Robertson

9. The Patagonian toothfish (Dissostichus eleginoides) fishery in the Kerguelen Islands (Indian Ocean sector of the Southern Ocean)

   Paper Title:  The Patagonian toothfish (Dissostichus eleginoides) fishery in the Kerguelen Islands ... (Indian Ocean sector of the Southern Ocean) Abstract / Description:  Patagonian toothfish (Dissostichus ... eleginoides) have been fished in the Kerguelen Islands zone for 20 years, firstly with trawlers and more ... recently with longliners. This is the oldest fishery targeting D. eleginoides in the Indian Ocean sector of ... ). For the factorial variable ‘bathymetry’, the open sea is taken as the reference point. There is no ... the trawler, CPUE is highest in spring (no sig- nificant difference with autumn), slightly lower in ... there is no significant geographically depend- ant size difference. discussion These are the first ... no evidence of the presence of genetically different D. eleginoides populations between the ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 1–25 : Auteur(s): Lord, C., G. Duhamel and P. Pruvost

10. Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey

    Paper Title:  Further computations of the consequences of setting the annual krill catch limit to ... a fixed fraction of the estimate of krill biomass from a survey Abstract / Description:  Butterworth ... et al. (1992) put forward an extension of the harvesting model of Beddington and Cooke (1983) to ... relate potential krill yield to a pre-exploitation survey estimate of krill biomass. In this paper, the ... . If Butterworth et al. no solution is possible for F, 5 1.5, then F, is set to 1.5 yr.' and the ... THE CONSEQUENCES OF SETTING THE ANNUAL KRILL CATCH LIMIT TO A FIXED FRACTION OF THE ESTIMATE OF ... the harvesting model of Beddington and Cooke (1983) to relate potential krill yield to a pre ... -exploitation survey estimate of krill biomass. In this paper, the approach is extended further so as to ...

    Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 81–106 : Auteur(s): Butterworth, D.S., G.R. Gluckman, R.B. Thomson, S. Chalis, K. Hiramatsu and D.J. Agnew

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