Résultats de la recherche

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

   specify growth, mortality, age-dependent selectivity and seasonal patterns in fishing mortality. Results ... ) 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 ... one-year projection, the exit numbers in each age class are assigned to the next highest age class ... numbers in each age class over one year. The number in each age class satisfies the differential ... age structure is projected forward one year so that So is estimated over the same period as the ...

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

2. Notothenia (P.) guntheri stock status and TAC estimation in the area of Shag Rocks (Subarea 48.3)

   (Subarea 48.3) Abstract / Description:  Data on age composition of catches and fishing efforts for 1979/80 ... 1987/88; (c) Fishing intensity in the predicted period is F 0.1. In the first two cases TAC is 12.3 ... commercially taken age groups (2-4 years); (b) Fishing intensity in the predicted period is at the level of ... 160 thousand tonnes when the Gamma method was used (actual values of first and second age groups ... on age composition of catches and fishing efforts for 1979/80-1987/88 were used to analyse N ... ; ( c ) Fishing intensity in the predicted period is FO.1• In the first two cases TAG is 12.3-12.7 ... /80-1987/88 ont ete utilisees pour analyser I'etat des stocks de N. guntheri. Sur la base de ces ... no npOMhICJIOBOMY YCMJIMIO 3a 1979/80-1987/88 OhIJIM MCnOJIb30BaHbI ,l(JI.H MCCJIe,l(OBaHM.H ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 53-68 : Auteur(s): Shust, K. and R. Borodin

3. Champsocephalus gunnari stock status in the South Georgia area

   intensity was F 0.1. In the first two cases TAC=25-30 thousand tonnes and stock size does not change. For ... / Description:  ata of age composition and fishing effort for 1976/77-1987/88 were used to analyse stock status ... recruitment was taken at the lowest possible level for all these years (400 million specimens). Catch-per-unit ... was FO.1• In the first two cases TAC=2S-30 thousand tonnes and stock size does not change. For the ... C12ellHHH: B0312acT 2 90 2 20 2 60 3 60 1980/81 1981/82 1982/83 1983/84 17,02 5,87 25,97 98,63 71,49 ... les deux premiers cas, la T AC=25-30 mille tonnes et la taille du stock ne change pas. Dans le ... ,llByX CJIY'-Ia51X OllY=25-30 TbIC. T., H BeJIH'-IHHa 3anaca He H3MeH51eTC51. B TpeTbeM CJIy'-Iae OllY ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 1-18 : Auteur(s): Borodin, R. and P. Kochkin

4. Spatial distribution of management measures, Antarctic krill catch and Southern Ocean bioregions: implications for conservation planning

   season, 64% of the CAMLR Convention Area was open to fishing for at least one species. There were ... with similar distributions across the Convention Area. 0 5 10 15 20 25 30 35 0 2 4 6 8 10 12 ... biore- gion defined on the basis of long-term (up to 30 years) averages of time series (Grant et al ... = 620 000) 40 X X S 30 X X Rest of subarea 0 X X 48.5 Whole subarea X X X X 48.6 A X 200c X X B ... conservation planning (SCP) (Margules and Pressey, 2000; Pressey et al., 2007; Ardron et al., 2010) as one ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 1–19 : Auteur(s): Grant, S.M., S.L. Hill and P.T. Fretwell

5. Seasonal and inter-annual variability in the distribution of Electrona carlsbergi in the southern Polar Front area (the area to the north of South Georgia is used as an example)

   concentrations throughout the year. Results of surveys showed that the distribution and behaviour of E ... year is related to parameters of spatial and vertical distribution of fish. Interannual variability of ... of South Georgia Is between 49° to 54°S and 25° to 40°W. The area is within the Polar Frontal Zone ... 18 to 20 December, 1988 676 11278 9 - 80 16.7 * density range * * mean value 343 w t _ 40 ... in this area on board RV Vozrozhdenie. They worked for almost two years from October 1987 to June ... the southern border of the PFZ between 40° and 36°W, 30° and 25°W and 49° and 53°S (Figures 1 to 5) E ... WG-FSA-90/35 SEASONAL AND INTER· ANNUAL VARIABILITY IN ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 337–367 : Auteur(s): Kozlov, A.N., K.V. Shust and A.V. Zemsky

6. The choice of procedure for deciding when to close fisheries regulated by CCAMLR: a simulation model

   ; and • when the cumulative catch is 90% (Conservation Measure 17/VIII) or 80% (Conservation Measure ... AC. Two models were used: • Type I catch - random catch rates where C is the catch rate for one ... +-, _""---'-, _....---..,-_-.-----.,_--,-. _~,--..::;::. ~L'i"=-, ---,-E--j 40 50 60 70 80 90 "10 of T AC required for a decision Figure 4: Model 1 ... (TOTCAT1.GT.REMAIN) GOTO 30 TOTCAT2=TOTCAT1 95 20 CONTINUE IENDDAY=-l GO TO 40 C find proportion ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 81–97 : Auteur(s): Agnew, D.J.

7. An impact assessment framework for bottom fishing methods in the CAMLR Convention Area

   °W 150 80° S 75° S 70° S 65° S 60° S 600-1800 200-600 60-200 20-60 7-20 2-7 NZ fishing effort ... Se a fi sh er y (S ub ar ea s 88 .1 a nd 8 8. 2, 1 99 7– 20 08 ). A f ul l im ... 60° S 65° S 70° S 75° S 80° S 203 Impact assessment framework for bottom fishing methods 6.3 ... history of the Ross Sea fishery. The assessment was carried out in two parts: first in a two-day ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 195–210 : Auteur(s): Sharp, B.R., S.J. Parker and N. Smith

8. Geographical differences in the condition, reproductive development, sex ratio and length distribution of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR Subarea 88.1)

   South shelf North South break South shelf 100 90 80 70 60 50 40 30 20 10 0 North South break ... explanations. One possibility is two (or more) distinct recruited cohorts, spawning at different periods in ... two identifiable spawning fish, that spawning females have high GSI values (in the range of 20 and ... with a 30 cm range over maturity (i.e. 85–115 cm TL). This equates to 50% maturity at about age 9. As ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 27–45 : Auteur(s): Fenaughty, J.M

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 ... Memorandum NMFS Antarctic Marine Living Resources Program (AMLR)) File:  20-Shuford-and-Spear.pdf ... a jugula ire ait augmente globalement d'a peu pres 40% au cours des dernieres 20-30 annees ... 20-30 anos, aproximadamente tres cuartas partes de la diferencia entre nuestros recuentos y los ... rro rrpeAblAYlI\l1M OlleHKaM. XOTH, KaK Ka)KeTCH, 3a rrOCJIeAHl1e 20-30 JIeT o611\ee KOJII1QeCTBO ... -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 : Auteur(s): Shuford, W.D. and L.B. Spear

10. Differentiation of independent populations of Antarctic krill

    circulation. On the basis of the review, it is suggested that there is probably one composite population of E ... present, at least six stable cyclonic water circulations can be found and at least two or three of them ... find three large-scale circulations - two in the Atlantic and one in the Pacific sector. According to ... review, it is suggested that there is probably one composite population of E. superba in the Southern ... least six stable cyclonic water circulations can be found and at least two or three of them may be ... given to two questions : the existence in the Southern Ocean of stable large-scale water ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 275-281 : Auteur(s): USSR

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