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1. A simulation study of the method of deriving natural mortality rate using data for Champsocephalus gunnari in Subarea 48.3

   Paper Title:  A simulation study of the method of deriving natural mortality rate using data for ... Champsocephalus gunnari in Subarea 48.3 Abstract / Description:  A method of determining the rate of natural ... mortality, based on the construction of a regression between the rate of annual fishing mortality ... (determined by VPA) and fishing effort is described. The intersect of this regression must be equal to zero if ... represented in the catch beginning from age ar is: ak F y = L Wa,y x F a,y a=a/ where Wa,y are weight ... WG-FSA-91/2S A SIMULATION STUDY OF THE METHOD OF ... and R.S. Dorovskikh* * Abstract A method of determining the rate of natural mortality, based on ... the construction of a regression between the rate of annual fishing mortality (determined by VPA ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 69–83 : Автор(ы): Gasyukov, P.S. and R.S. Dorovskikh

2. Information Note for the Spatial Management Workshop and WG-EMM

   This information note covers the following meetings to be held at the British Antarctic Survey ... Group on Ecosystem Monitoring and Management (WG-EMM) from 9 to 13 July 2018. Venue The CCAMLR Spatial ... Management Workshop and the CCAMLR Working Group on Ecosystem Monitoring and Management will both be held in ... the Aurora Innovation Centre at the British Antarctic Survey, High Cross, Madingley Road, Cambridge ...

   Page : Site Section: Meetings

3. Whales: Trophic modelling of the Ross Sea

   Description / Abstract:  A supporting document to the CCAMLR Science paper: M.H. Pinkerton, J.M ... . Bradford-Grieve and S.M. Hanchet.  2010.  A balanced model of the food web of the Ross Sea, Antarctica ... the numerator represents the increase in biomass of the population while in the study area after ... accounting for mortality loss. This increase in biomass is exported at the end of the summer when the whales ... mortality for males and females, and use values at the lower end of those found by Olesiuk et al. (1990) of ... modelling of the Ross Sea M.H. Pinkerton1, J. Bradford-Grieve1, P.M. Sagar2 1 National Institute of ...

   Document : Site Section: Publications

4. Fishes: Trophic modelling of the Ross Sea

   Description / Abstract:  A supporting document to the CCAMLR Science paper: M.H. Pinkerton, J.M ... . Bradford-Grieve and S.M. Hanchet.  2010.  A balanced model of the food web of the Ross Sea, Antarctica ... data are available yet. Table 1. List of fishes from the Ross Sea as defined in this report (after ... km to the north off Cape Adare after 3.3 years at liberty, three were recaptured more than 1000 m to ... altogether after 18 years at liberty (Dunn et al. 2007d). Of the six large- scale movements of fish tagged ... 1 Fishes: Trophic modelling of the ...

   Document : Site Section: Publications

5. Assessing the power to detect systematic change in Adélie penguin foraging trip duration

   Paper Title:  Assessing the power to detect systematic change in Adélie penguin foraging trip ... variation was known to occur. Variability among trips and penguins was greater in the crèche stage, but ... variability among years was greater in the guard stage. Estimates of variability were used to explore the ... greater in the crèche stage than the guard stage. The gain obtained by increasing the number of penguins ... ‘ramp’ change in which there is a constant rate of increase for a number of years, after which the ... the guard and crèche stages respectively, (ii) an impact after a years causes either a step, ramp or ... model This model assumes a proportional increase in foraging trip duration in the years after an ... rate of change of P% (i.e. the proportionate increase, p = P/100) after an impact, the statistic t ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 201–215 : Автор(ы): Southwell, C., J. Clarke and L.M. Emmerson

6. By-catch, growth and feeding of Antarctic juvenile fish taken in krill (Euphausia superba Dana) fisheries in the South Georgia area, in 1992

   superba Dana) fisheries in the South Georgia area, in 1992 Abstract / Description:  This paper discusses ... an investigation of juvenile Antarctic fish caught during krill fishing by the FV Grigory Kovtun in ... the area around South Georgia from May to July 1992. Two species were predominant in the by-catches ... : Champsocephalus gunnari and Nototheniops larseni. The frequency of occurrence of juvenile fish was 18.2% when all ... stomachs were measured (euphausiids: from the tip of the rostrum to the end of telson) and weighed. The ... ., 1978; North and Ward, 1990). After leaving the fjords, they change their diet to E. superba ... FEEDING OF ANTARCTIC JUVENILE FISH TAKEN IN KRILL (EUPHAUSIA SUPERBA DANA) FISHERIES IN THE SOUTH GEORGIA ... caught during krill fishing by the FV Grigoy Kovtun in the area around South Georgia from May to July ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 129–142 : Автор(ы): Pakhomov, E.A. and S.A. Pankratov

7. Observation of seabirds in the Southern Ocean in 1988/89

   Paper Title:  Observation of seabirds in the Southern Ocean in 1988/89 Abstract / Description ... :  This paper examines the numerical and species distribution of birds in the sub-Antarctic area of the ... Southern Ocean to the south of 60°S. Thirty minute observations were made daily during daylight hours at 8 ... ports of call. Maps summarize the distribution of 14 bird species as well as of the individual species ... visibility, type of precipitation and ice cover, which have a direct impact on bird behaviour. At the end of ... (Figure 8) after which it was sporadically sighted in Prydz Bay and in the area of Mirny Station (Figure ... WG-CEMP-90/33 OBSERVATION OF SEABIRDS IN THE SOUTHERN ... OCEAN IN 1988/89 A.V. Vagin and V.V. Popov* * Abstract This paper examines the numerical and ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 521–542 : Автор(ы): Vagin, A.V. and V.V. Popov

8. Observations on haul-out patterns and trends in the breeding populations of southern elephant seal at Península Valdés (Patagonia) and Stranger Point (25 de Mayo - King George I.)

   Paper Title:  Observations on haul-out patterns and trends in the breeding populations of southern ... de Mayo-King George I. were studied during the breeding season from 1979 to 1987. Two main objectives ... were taken into consideration: haul-out pattern and the female population trend. In both places, the ... intrinsic population growth rate is positive. In 1982, at Stranger Point, a sharp decrease of the female ... second one was included because after the breeding season, females from Peninsula Valdes go to the ... the basis of a single census, at Stranger Point this should be carried out after the 30/10 (27/10 ... plus the 3-days rank), and at Peninsula Valdes after the 5/10 (30/9 plus 5-days rank). Here the ... places after the breeding season have been confirmed with male of elephant seal from Kerguelen to ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 453-463 : Автор(ы): Vergani, D.F., M.N. Lewis and Z.B. Stanganelli

9. Length- and age-at-spawning of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea

   Paper Title:  Length- and age-at-spawning of Antarctic toothfish (Dissostichus mawsoni) in the ... -at-spawning for female and male Antarctic toothfish (Dissostichus mawsoni) from fish sampled in the ... Ross Sea spanning the 2000–2009 fishing seasons. A characterisation of the oocyte developmental cycle ... of D. mawsoni shows that once development begins, oocytes grow and accumulate at the cortical alveoli ... ovaries of fish sam- pled after the spawning season (hindcasting). This evidence consists of post ... Kellermann (1991), samples with the most advanced oocyte stage of cortical alveoli (end of the primary ... difference is a result of three factors: (i) females generally begin developing when older; (ii) the female ... small fish that begin vitellogenesis later. The potential bias in hindcasting is that if remnant ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 53–73 : Автор(ы): Parker, S.J. and P.J. Grimes

10. Estimating unaccounted fishing mortality in the Ross Sea region and Amundsen Sea (CCAMLR Subareas 88.1 and 88.2) bottom longline fisheries targeting Antarctic toothfish

    Paper Title:  Estimating unaccounted fishing mortality in the Ross Sea region and Amundsen Sea ... counted in estimates of total fishing removals or otherwise accounted for in stock assessment models. The ... mortality resulting from the loss of sections of bottom longline gear in the Ross Sea region and Subarea ... average 208 tonnes of Antarctic toothfish mortality may be unaccounted for annually. While the current ... that these hooks were unlikely to cause further fish mortality after being lost. The following ... : Total number of hooks set before grooming, number of hooks on those sets retained after the grooming ... procedure and the proportion of data remaining after grooming by gear type. Gear Before After Proportion ... Table 1: Total number of hooks set before grooming, number of hooks on those sets retained after the ...

    Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 17–30 : Автор(ы): Webber, D.N. and S.J. Parker

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