Resultados de la búsqueda

1. Refinements to the strategy for managing depleted fish stocks based on CCAMLR objectives

   minimum population level posited to ensure stable recruitment is equated with GNAI. (3) The effects of ... with the concepts (1), (2) and (3) above. A further factor to be taken into consideration in some ... first fishing = 3 years (knife-edge) Age at first spawning = 3 years (knife-edge) Pooled age-class ... = 10 years Table 2: Fishing mortality rates consistent with each of the three criteria for managing ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 467–475 : Autor(es): de la Mare, W.K. and A. Constable

2. Otolith and body size relationships in the mackerel icefish (Champsocephalus gunnari)

   the other years (by transformed otolith length gave predicted fish some 4 cm at c. 60 cm) with ... length. log,,-transformed data from all years with no restriction on range. The equation for all years ... all years with no restriction on range. The equation is: loglOWf = -0.0177 + 4.57 log10 L, (SEs ... onpeneneHa HX ~ @ @ ~ K T U B H O C T ~ B n p e ~ c ~ a 3 a ~ ~ n AnHHbI H MaccbI pb16. Ass n o ~ a 3 a ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 117–123 : Autor(es): Everson, I., B. Bendall and A. Murray

3. Age determination of Champsocephalus gunnari Lönnberg, 1905 (Channichthyidae) taken in the South Georgia area in 1990

   /86 year classes. The first small peak corresponds with the strong 1988 year class. File:  17 ... 9+ were present in catches. Two peaks in size composition correspond with fish of the 1987 and 1985 ... , February 1990. Age in Years Variations in Overall Length (cm) Number of Specimens 1+ 2+ 3+ 4+ 5 ... Georgia area in February 1990. Juvenile. TL=16.5 cm. Age 1+ years. 17 February 1990. Figure 3 ... (9 II-lII). TL=29 cm. W=130 g. Age 3+years. 22 February 1990. 290 Figure 2: Vertebrae of C ... size composition correspond with fish of the 1987 and 1985/86 year classes. The first small peak ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 285–293 : Autor(es): Kochkin, P.N.

4. Simulation of recovery rates of fish stocks in the South Georgia and Kerguelen Islands areas

   average, with the past observations. The simulations may prove useful in comparing observed performance of ... of 2 in about five years; however, the recovery is only 1.7 times the initial size with F = 0.76 ... = 0.72 and by 6 for F = 0.36 at the end of the 20 years simulated. 3. Summary of Trends 3.1 South ... * 2 11 11 1 Maximum increase factor 2 Time to reach maximum--years 3 Time to reach 2X increase ... increase factor 2 Time to reach maximum--years 3 Time to reach 2X increase--years * Ne increase Table ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 229-298 : Autor(es): Hennemuth, R.C., K.D. Bisack and G. Duhamel

5. Feeding patterns of nine species of Antarctic fish and assessment of their daily food consumption

   Trematomus eulepidotus- planktivorous species with euphausiids, mainly Euphausia superba, being the staple ... forms of polychaetes, with Euphausia superba also comprising a considerable portion of its diet; (iii ... (Grawford, McLeave as cited in Targett, 1981; Montgomery et al., 1989). In accordance with equation (3) the ... species with euphausiids, mainly Euphausia superba, being the staple food; (ii) Trematomus centronotus ... - a benthophage feeding mainly on amphipods, mobile and sedentary forms of polychaetes, with ... time of T90 (evacuation time): (3) Evacuation time is from two to five days for Antarctic fish ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 321–333 : Autor(es): Pakhomov, Y.A. and V.B. Tseitlin

6. Optimization of survey sampling design in the detection of interannual variability and prey size selectivity in the diet of penguins

   . Restrictions have been fixed in accordance with the recommendations of the fourth meeting of WG-CEMP: minimum ... confidence intervals respectively: = 2.63 ~ 3 = 25.03 :::; 26 A 10% change in the mean of two years ... in accordance with the recommendations of the fourth meeting of WG-CEMP: minimum interannual ... of Ad6lie penguins from Bahfa Esperanza was made using a nested ANOV A design with data grouped by ... ), comparison between years results naturally in a new level added at the top. Exact F tests are obtained ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 551–559 : Autor(es): Marschoff, E. and B. Gonzalez

7. Distribution, morphology and ecology of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) in the Ross Sea region

   . whitsoni caught with depth. Catches of females of both species exceeded that of males (especially for M ... species are euryphagous predators and scavengers, with evidence of piscivory and both benthic and pelagic ... analysis, trophic level was estimated at 4.4–4.5 (M. caml) and 4.1–4.3 (M. whitsoni), consistent with one ... of 1 were assigned as immature; fish with gonad stage 3–5 were taken as sexually mature, and fish ... only 26% of M. whitsoni had stage 3 gonads. For M. caml, the proportions of fish caught with various ... (CCAMLR Subareas 88.1 and 88.2) began in 1997 and is managed by CCAMLR with a spe- cific requirement to ... , Family Macrouridae) are the main by-catch in the toothfish fishery in the Ross Sea region, with a catch ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 37–61 : Autor(es): Pinkerton, M.H., P. McMillan, J. Forman, P. Marriott, P. Horn, S. Bury and J. Brown

8. Discrimination of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) using otolith morphometrics

   , was recognised in 2010 with the identification of a new species, M. caml. Grenadier are the main by ... outside of the otolith each year (Figure 5). While M. whitsoni approaches full size at about 17 years ... and morphology with somatic growth and age in young-of-the-year bluefin tuna. J. Fish Biol., 68 (6 ... with the identification of a new species, M. caml. Grenadier are the main by-catch in the toothfish ... - sequently Marriott et al. (2006) augmented this dataset with 149 aged otoliths (59 male, 64 female, 26 ...

   Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 15–28 : Autor(es): Pinkerton, M.H., C. Ó Maolagáin, J. Forman and P. Marriott

9. Surveys of breeding penguins and other seabirds in the South Shetland Islands, Antarctica, January-February 1987*

   to have been about 40% overall increase in the chinstrap population in the last 20-30 years, about ... -30 years, about three-fourths of the difference between our counts and previous ones is due to more ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 449-451 : Autor(es): Shuford, W.D. and L.B. Spear

10. Areas of seabed within the 500 m isobath around Elephant Island (Subarea 48.1)

    AHa B npenenax 50-M~TPOB~IX ~ 3 0 6 a ~ A 0 rny611~b1 100 M, a TaKme B npenenax 100-M~TPOB~IX ... selected Program in the early 1980s. Refinements to d e p t h r anges a r e crucial for t h e des ... . Depth strata have been summed for the whole shelf area and are presented in Table 2 in comparison with ...

    Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 131–135 : Autor(es): Kock, K.-H. and U. Harm

Páginas