Résultats de la recherche

1. A description of fishing gear and procedures of setting and hauling of trot and Spanish system for toothfish in a scientific research plan in the Division 58.4.1 of Insung No. 3

   Research plan for INSUNG No.3 during the season 2012/2013. Through comparing Trot and Spanish fishing gears ... Figure 14 Float Buoy 3.14 APAREJO Box It consists of 20 hooks and used only for the setting of ... buoy line ( it is take time 30~40 minutes at the depth of 2000m) 2) Lift anchor and two 70kg ... coil up buoy line ( it is take time 30~40 minutes the depth of 2000m) 2) Lift anchor and two 70kg ... trot-line system can cause very low impact on VMEs and seabirds.  It takes about 30 minutes to ...

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2. Towards the development of a management plan for mackerel icefish (Champsocephalus gunnari) in Subarea 48.3

   for an interim approach to the setting of precautionary catch limits for this fishery. An approach ... Paper Title:  Towards the development of a management plan for mackerel icefish (Champsocephalus ... and research surveys leading to estimates of stock biomass. An extension of this scheme would use ... required for C. gunnari. File:  05agnew-etal.pdf ... the time the stock is only depleted for one or two years. This behaviour is a direct result of the ... therefore a need for an interim approach to the setting of precautionary catch limits for this fishery. An ... scarcity. Management Plan for C. gunnari in Subarea 48.3 C . gunnari may therefore encounter two ... Sequence of Sampling, Analytical and Decision-making Processes The outline of an approach for using ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 63–77 : Auteur(s): Agnew, D.J., I. Everson, G.P. Kirkwood and G.B. Parkes

3. Seabird interactions with trawl and longline fisheries for Dissostichus eleginoides and Champsocephalus gunnari

   Paper Title:  Seabird interactions with trawl and longline fisheries for Dissostichus eleginoides ... incidental mortality were observed during commercial trawling operations for Patagonian toothfish ... (Dissostichus eleginoides) in the 1994/95 season near Macquarie Island and Kerguelen Island. Longlining for D ... . eleginoides and trawling for mackerel icefish (Champsocephalus gunnari) were also observed at Kerguelen. Many ... Division 58.5.1 during longline fishery for D. eleginoides in the vicinity of the 1994/95 season with two ... 12 February 1995 with only two short breaks of less than one day each. The vessel made an average ... ) followed the ship for the final two weeks of fishing. Other species, such as the wandering albatross ... during four trawls in particular meteorological conditions. For two trawls, the ship's speed relative ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 93–99 : Auteur(s): Williams, R. and D. Capdeville

4. A generalised model for evaluating yield and the long-term status of fish stocks under conditions of uncertainty

   known catch history and thus allow assessments of yield to be made for existing fisheries. An example is ... Paper Title:  A generalised model for evaluating yield and the long-term status of fish stocks ... projection model for assessing the long-term annual yield which satisfies objectives for the maintenance of ... biomass. The model provides a flexible method for assessing the influence of different patterns of growth ... of growth during the year); an age-selectivity function, a(a) (allows for a fishery that targets ... ) 1.21 I 0 10 20 30 40 50 60 Length (mm) Selectivity (b) 1.6 1 1 0 2 4 6 Age (years) Relative ... Uncertainty (a) Run 1 Biomass (thousand tonnes) Recruits (millions) 0 10 20 30 40 50 Years (b) Run 2 ... existing fisheries. An example is presented for the Patagonian toothfish, Dissostichus eleginoides, around ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 31–54 : Auteur(s): Constable, A. and W.K. de la Mare

5. Line weights of constant mass (and sink rates) for Spanish system Patagonian toothfish longline vessels

   shaped steel weights weighing 5 kg would be an appropriate substitute for 8.5 kg rock weights ... no maintenance. An experiment was conducted on a Spanish-system longline vessel to determine the ... Paper Title:  Line weights of constant mass (and sink rates) for Spanish system Patagonian ... hydrodynamically shaped (e.g. torpedo-shaped) steel weights, which are smaller for equivalent weight, and require ... , which are smaller for equivalent weight, and require no maintenance. An experiment was conducted on a ... depth (see below for the reasons for the choice of these two depths), the parametric spline model was ... ) was higher, suggesting that 5 kg steel weights would be an appropriate substitute for 8.5 kg rock ... with 5 kg steel weights attached will not result in an increased risk to seabirds. These two ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 93–106 : Auteur(s): Robertson, G., C.A. Moreno, E. Gutiérrez, S.G. Candy, E.F. Melvin and J.P. Seco Pon

6. Draft Rules for a Decisive Conference

   for the preservation of , the Antarctic environment. The year 1959 was a new and important ... ., _;:,, Doc. IT. A. IS consequently, determine the need for an appropiate regime tending basically to their ... the subject of our present meeting and embraces a special concern for developments in an area which ... establishment of a base on the South Orkney i s lands on 22 February 1904 . For forty years Argentina was the ...

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7. Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.2

   . Conservation Measure 25-02 applies to this fishery and in recent years has been linked to an exemption for ... measures 30. The limits on the exploratory fishery for Dissostichus spp. in Division 58.4.2 are defined ... last year that the relative merits of the different views on harvest strategies for toothfish in new ... fishery for Dissostichus spp. in Division 58.4.2 changed to an exploratory longline fishery. 2. In 2008 ...

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8. 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

   appropriate for all targeted species? Notothenia rossii in the Atlantic Ocean sector – revisited Abstract ... already heavily fished at the beginning of the 1970s. The closure of the fishery for this species in 1985 ... to provide more accurate estimates of the abundance of the species, it is suggested that an acoustic ... properly in the almost 20 years since the fi shery was closed. Two alternatives to the approach generally ... Elephant Island. Catches of the species have been small (<50 kg/ 30 min) with the exception of one or two ... ). Consequently, biomass estimates obtained for N. rossii have in general been low. Due to one or two large ... less than 20 min duration were disregarded. All survey data are held in the CCAMLR database. For ...

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

9. Seabird interactions with longlining operations for Dissostichus eleginoides around South Georgia, April to May 1994

   albatrosses. The average mortality rate for the 20 sets was 0.48 birds/1 000 hooks and maximum mortality 3.12 ... Paper Title:  Seabird interactions with longlining operations for Dissostichus eleginoides around ... South Georgia, April to May 1994 Abstract / Description:  Longlining operations for Dissostichus ... eleginoides off South Georgia were assessed for incidental mortality and interactions with seabirds. Twenty ... each species in the vicinity of the ship was recorded every 30 minutes. Of the 20 sets for which ... line was used for approximately six of the 20 sets and a noise-emitting scarer, based on regular or ... albatrosses. The average mortality rate for the 20 sets was 0.48 birds/l 000 hooks and maximum mortality ... of the line, delimited by the marker buoys. For two of the four sections, all strikes and dives for ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 111–121 : Auteur(s): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno

10. Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.2

    .: 30 tonnes; final reported catch: 0 tonnes – whole fishery catch limit for Dissostichus spp.: 70 ... the longline CPUE in the two areas had not been incorporated into the assessment. For the purposes ... correct for a longline fishery, and that this leads to an increase in the uncertainty of the analysis ... . was 70 tonnes, and catch limits for each SSRU was as follows: A – 30 tonnes; B – 0 tonnes; C – 0 ...

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