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1. Estimation of natural mortality using catch-at-age and aged mark-recapture data: a multi-cohort simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation.

   Paper Title:  Estimation of natural mortality using catch-at-age and aged mark-recapture data: a ... , using multiple cohorts and multiple years of catch-at-age and aged mark-recapture data was tested using ... number of recaptures-at-age and model the population numbersat- age by annual difference equations ... of 500 000. Simulations which passed catch-at-age numbers to the estimation algorithm after ... Science, Vol. 18 (2011): 1–27 Estimation of natural mortality using CatCh-at-agE and agEd mark ... multiple cohorts and multiple years of catch-at-age and aged mark-recapture data was tested using ... number of recaptures-at-age and model the population numbers- at-age by annual difference equations ... size and the age-at-maturity ogive. Hence, obtaining as accurate an estimate of M as possi- ble, along ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 1–27 : Автор(ы): Candy, S.G.

2. 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 ... of D. mawsoni shows that once development begins, oocytes grow and accumulate at the cortical alveoli ... least a 6–12 month period, resulting in a developed group of oocytes accumulating at the final ... spawn at a younger age with an A 50% of 12.8 years (95% CI 11.9–14.0) or 120.4 cm (95% CI 114.8–126.7 ... - AND AGE-AT-SPAWNING OF ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN THE ROSS SEA S.J. Parker ... developed group of oocytes accumulating at the final maturation stage by approximately May each year. The ... 133.2 cm (95% CI 130.9–135.7) by length. On average, males spawn at a younger age with an A50% of 12.8 ... ; Piyanova, 2008). A histologically based assessment of male age-at-spawning can extend the period in which ...

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

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

   Paper Title:  Depth distribution and spawning pattern of Dissostichus eleginoides at South Georgia ... significant pattern of changing mean length at depth with month was detected, suggesting movement of animals ... both up and down slope at particular times of year. Months with a high mean length at depth are May and ... August, and with a low mean length at depth- April and July. Examination of maturity data suggests that ... AND SPAWNING PATTERN OF DISSOSTICHUS ELEGINOIDES AT SOUTH GEORGIA D.J. hgnew Renewable Resources ... length. A statistically significant pattern of changing mean length at depth with month was detected ... , suggesting movement of animals both up and down slope at particular times of year. Months with a high mean ... length at depth are May and August, and with a low mean length at depth - April and July. Examination of ...

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

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

   Potter Cove Abstract / Description:  The long-term monitoring program of demersal fish at inshore sites ... of the South Shetland Islands has continued at Potter Cove from 2000 to 2006, extending a continuous ... sampling period of 24 years which began in 1983, and at Harmony Cove in the summers of 2001to 2003. The ... early 1980s, while those of G. gibberifrons have further declined and remain close to zero. At Harmony ... , Argentina Abstract The long-term monitoring program of demersal fi sh at inshore sites of the South ... of 24 years which began in 1983, and at Harmony Cove in the summers of 2001 to 2003. The decline in ... 1980s, while those of G. gibberifrons have further declined and remain close to zero. At Harmony Cove ... continuous sampling period of 24 years which began in 1983, and from 2001 to 2003 at Harmony Cove (HC). By ...

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

5. 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.)

   intrinsic population growth rate is positive. In 1982, at Stranger Point, a sharp decrease of the female ... component of the population was observed (r=-56.54%). The recovery of the population at Stranger Point, and ... the global increase at Península Valdés, indicate the good condition of these populations. File:  21 ... Paper Title:  Observations on haul-out patterns and trends in the breeding populations of southern ... PATTERNS AND TRENDS IN THE BREEDING POPULATIONS OF SOUTHERN ELEPHANT SEAL AT PENINSULA VALDES (PATAGONIA ... population_at Stranger Point, and the global increase at Peninsula Valdes, indicate the good condition of ... PATTERNS AND TRENDS IN THE BREEDING POPULATIONS OF SOUTHERN ELEPHANT SEAL AT PENINSULA VALDES ... two different places. One of them was located at 25 de Mayo I. (King George) (1980-1986 except for ...

   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

6. Distribution of fish larvae at South Georgia: horizontal, vertical, and temporal distribution and early life history relevant to monitoring year-class strength and recruitment

   Paper Title:  Distribution of fish larvae at South Georgia: horizontal, vertical, and temporal ... / Description:  Four studies on the early life history stages of Antarctic fish at South Georgia are reported ... top 2 m layer at certain times of day. In both seasons some species showed daily vertical migration ... . The findings are discussed in relation to surveys for sampling the early stages of fish at South ... - 105 - WG-FSA-87/16 DISTRIBUTION OF FISH LARVAE AT ... the early life history stages of Antarctic fish at South Georgia are reported. In winter and summer ... at certain times of day. In both seasons some species showed daily vertical migration. The ... findings are discussed in relation to surveys for sampling the early stages of fish at South Georgia, with ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 105-141 : Автор(ы): North, A.W.

7. Spawning locations of mackerel icefish at South Georgia

   Paper Title:  Spawning locations of mackerel icefish at South Georgia Abstract / Description ... inshore spawning at South Georgia during April within and close to the bays on the north side of the ... be at a very much lower intensity than inshore. There is some evidence of spawning at Shag Rocks ... :  Historical information on the distribution of spawning and larval mackerel icefish (Champsocephalus gunnari ... LOCATIONS OF MACKEREL ICEFISH AT SOUTH GEORGIA I. Eversonm, A.W. North, A. Paul, R. Cooper and N.C ... evidence of inshore spawning at South Georgia during April within and close to the bays on the north side ... appears to be at a very much lower intensity than inshore. There is some evidence of spawning at Shag ... Georgia and Shag Rocks. Commercial fishing has taken place over much of the shelf at depths to around ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 107–118 : Автор(ы): Everson, I., A.W. North, A. Paul, R. Cooper, N.C. McWilliam and K.-H. Kock

8. Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, South Shetland Islands, after commercial fishing in the area

   Abstract / Description:  Monitoring of demersal fish at inshore sites of the South Shetland Islands has ... continued at Potter Cove from 1991 to 1999, and at Harmony Cove, Nelson Island, in the austral summer of ... Paper Title:  Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons ... and Notothenia coriiceps at Potter Cove, South Shetland Islands, after commercial fishing in the area ... ABUNDANCE OF FJORD NOTOTHENIA ROSSII, GOBIONOTOTHEN GIBBERIFRONS AND NOTOTHENIA CORIICEPS AT POTTER COVE ... Gallardo 470, C1405DJR Buenos Aires, Argentina Abstract Monitoring of demersal fish at inshore sites of ... started at the end of the 1960s. The fishery was developed mainly in offshore waters around South ... N. rossii and G. gibberifrons inhabit neritic waters. This part of the population was studied at ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 43–52 : Автор(ы): Barrera-Oro, E.R., E.R. Marschoff and R.J. Casaux

9. Target strengths of krill at 136 and 20 kHz

   Paper Title:  Target strengths of krill at 136 and 20 kHz Abstract / Description:  Estimation of ... . Ensonification of encaged live krill. For aggregations with mean lengths from 45 to 50 mm the mean single-krill ... target strengths range from-68 to-69 dB at 136 kHz. For aggregations with mean lengths from 43 to 47 mm ... the mean single-krill target strengths range from-71 to-77 dB at 20 kHz. Trawl hydroacoustic method ... WG-KRILL-91/29 TARGET STRENGTHS OF KRILL AT 136 AND 20 ... Strength Estimation of Encaged Krill (1) Measurements were taken from a vessel standing at anchor where ... • hydroacoustic transducer (magnetostrictive) • width of directional diagram at 3 dB - 11 ° x 28°. Operating ... • hydroacoustic transducer (piezoceramic) • width of directional diagram at 3 dB - 10°. The cage was cubic in ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 141–157 : Автор(ы): Kasatkina, S.M.

10. Acoustic estimates of krill density at South Georgia, 1981 to 1998

    Paper Title:  Acoustic estimates of krill density at South Georgia, 1981 to 1998 Abstract ... / Description:  Acoustic estimates of densities of Antarctic krill, Euphausia superba, at South Georgia during ... 11 austral summers between 1981 and 1998 are presented. Krill density at the island fluctuated widely ... 1994 austral summer seasons were characterised by particularly low densities of krill (upper 95 ... OF KRILL DENSITY AT SOUTH GEORGIA, 1981 TO 1998 A.S. Brierley, J.L. Watkins, C. Goss, M.T ... Kingdom Abstract Acoustic estimates of densities of Antarctic krill, Euphausia superba, at South ... environment around the island. This paper presents the best estimates of krill density at South Georgia ... pelagic ecosystem at South Georgia. MATERIALS AND METHODS A summary of acoustic survey details for all ...

    Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 47–57 : Автор(ы): Brierley, A.S., J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson

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