Résultats de la recherche

1. Changes in biomass of eight species of finfish around the South Orkney Islands (Subarea 48.2) from three bottom trawl surveys

   , nposeneHHbrMki B +e~pane 1985 r. a x~sape-aespane 199 1 r. Pacc~a~pasan~cb cnenymwee BL?A~I: Gobionototlzen ... within a few years (Figure 1). Catches increased slightly in the mid-1980s, primarily as a result of ... other than fish (benthos and other by-catch) were removed. Baskets were Jones et a1 Table 1 ... individual centimetre group and sex were weighed (accuracy to 1 g) over the whole length range in order to ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 53–74 : Auteur(s): Jones, C.D., K.-H. Kock and E. Balguerías

2. Midwater trawl catchability in relation to krill and possible ways of assessing gross catch

   MO,lleJIH C npaKTHKotl. AHaJIH3 3<1>eKTHBHOCTH pa3HorJIy6HHHorO TpaJIa npH 06JIOBe KPHJISI ... es posible aumentarla. 1. IN1RODUCTION Krill is an important element in the Antarctic ecosystem ... located, metres. (1) Total catchability (P) is the probability that a complex sequence of events will ... netting. 89 where KB Q G Wy K =~=1-Q. B Q+G Wy (3) - the rate of krill passing through the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 87–113 : Auteur(s): Zimarev, Yu.V., S.M. Kasatkina and Yu.P. Frolov

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

   menos que uno estuviese dispuesto a utilizar una tasa de error Tipo 1 mucho menos estricta y bastante ... = = + + + + + for i = 1,2,…,a; j = 1,2,…,ni; k = 1,2; m = 1,2,…,rijk (1) where: fijkm is the duration of ... the mth foraging trip for the kth member (k = 1 for female, 2 for male) of the jth pair in the ith ... period. There was no evidence for a trend. Hence variance estimation was based on equation (1). This ...

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

4. Length-based assessments revisited – why stock status and fishing mortality of long-lived species such as toothfish cannot be inferred from length-frequency data alone

   estimated as: ( ) ( ) ( )log logZl KN L lα ¥= + - (1) where Nl is the numbers at length l, and K and L ... general settings see Table 1). The life-history parameters for the Patagonian toothfish population were ... selectivity functions represent- ing combined gear efficiency and fish availability (Figure 1). The first ... grow out of the selected length 61 Length-based assessments revisited Table 1: Input parameters ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 57–73 : Auteur(s): Ziegler, P.E., D.C. Welsford and A.J. Constable

5. Sea-surface temperature and krill catches around South Georgia in December–February 1989–1991 and 1999–2001

   hydrology buoy stations in the area. The SST maps have a spatial resolution of 1° x 1° and a temperature ... scale (isotherms) of 1°C. The weekly SST maps were used to plot maps of monthly mean SST, SST ... South Georgia. The mean SST distribution in January 2001 (Figure 1) indicates a strong horizontal ... 2001 the mean SST on the northern shelf of South Georgia declined by approximately 1–2°C compared to ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 165–174 : Auteur(s): Vanyushin, G.P

6. Selectivity parameters for Notothenia gibberifrons Lönnberg, 1905 and Champsocephalus gunnari Lönnberg, 1905 obtained during “8611 ANTARCTICA [ANTARTIDA]” expedition

   , fueron de 2.87 para Notothenia gibberifrons y 3.10 para Champsocephalus gunnari. 87 1 ... durante toda la campana fue del tipo semipelagico (figura 1), caracterizado por su gran abertura vertical ... ). 90 Ajuste a una logistica. Los datos observados se ajustaron a una logistica de ecuacion: P 1 ... 1 + e-(a+bL) siendo P la proporcion de individuos de talla L retenidos por el copo. Metodo de ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 87-105 : Auteur(s): Balguerías, E.

7. Preliminary appraisal of Antarctic fish selection by the 32/36 bottom trawl combined with various codends

   - 1 - SC-CAMLR-V/BG/29 PRELIMINARY APPRAISAL OF ... semejante alas mallas de corona de cinta. Pe310Me 1)bIJ1I1 onpeAeJIeHbl CeJIeKTI1BHble cnoc06HOCTl1 ... the codend of trawls used for fishing in the Antarctic. 1. GENERAL INFORMATION ABOUT THE CRUISE AND ... : 1. South Georgia, i.e. fishing grounds on the shelf of South Georgia and Shag Rocks, 2. South ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 1-48 : Auteur(s): Zaucha, J.

8. Assessment of krill flux factors in waters of South Orkney Islands during summer 1996

   / ~ ? ) m pacxoaa B O A ~ I (M~/c) qepe3 1 MHnm rpaHMUbI IIOJIllTOHa. n o ~ a 3 a ~ b I pe3ynbTaTbI ... b 1 , T ~ K M no HanpaBneHMm ee nepeaoca. O C O ~ ~ H H O C T E I pacnonomeHm nonMroHa B none O ... . been focused o n Subareas 48.1 a n d 48.3 (South Assessment of Krill Flux Factors i l ! ! l 1 ... l South Georgia Is ! I i l i l i l I l l l 8 l South Shetland Is j ! 1 l - - - - -- l ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 195–204 : Auteur(s): Kasatkina, S.M., V.N. Shnar, M.I. Polischuk, A.M. Abramov and V.A. Sushin

9. Hook selectivity in the longline fishery of Dissostichus eleginoides (Nototheniidae) off the Chilean coast

   . 1. INTRODUCTION Exploratory fishing for the Patagonian toothfish (Dissostichus eleginoides, Smith ... depths greater than 1 000 m, and obtained first catches of commercial interest for the fishery. After ... Argentinean-Patagonian zone and from the Antarctic (Figure 1). In front of the coast of Chile adult fish ... ) in the VIII Region of Chilean waters. They used three horizontallonglines of 1 500 hooks each, with ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 107–119 : Auteur(s): Moreno, C.A.

10. Distribution, biomass and characteristics of the Euphausia superba fishery around South Georgia (Subarea 48.3)

    poder disponer de evaluaciones de biomasa mas fiables. 125 1. IN1RODUCflON The South Georgia ... fishery which always ceases operations in spring (Table 1). Aggregations build up again with the onset ... . Since the catch ability coefficient was difficult to calculate it was taken to be equal to 1. The ... (Figures 1 to 7) showing where it took place and areas where abundance of krill was found to be greatest ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 123–147 : Auteur(s): Latogursky, V.I., R.R. Makarov and L.G. Maklygin