Résultats de la recherche

1. Analysis and modelling of the Soviet Southern Ocean krill fleet, II: Estimating the number of concentrations and analytical justification for search data

   ). They were not collected with the intent of this estimation, so that additional assumptions are needed ... be skewed, with a long tail, rather than uniform as assumed previously. The difficulty in drawing a ... divided into three types: (i) True search for a new concentration. In this case, the fleet leaves the ... overall search will be random (e.g. Washburn 1981 for justification). (ii) Direct movement to a new ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 283–322 : Auteur(s): Mangel, M.

2. The ecosystem approach to managing fisheries: achieving conservation objectives for predators of fished species

   for each predator (number of new recruits) in the trial with Diet 1 for Predator 1 is shown in ... showing primary interactions with fished species along with other marine mammals and birds (based on data ... (Mange1 et al., 1996). Since its inception, CCAMLR has grappled with the problems of applying an ... effects of the fishery on this ecosystem are show11 with dashed lines and italicised symbols. Arrows ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 37–64 : Auteur(s): Constable, A.J

3. Brief report of the joint Soviet-Australian expedition of the USSR FRV Professor Mesyatsev to the Australian fishing zone around the territory of Heard and McDonald Islands, May-August, 1987

   photoelectric calorimeter with microprocessor KPhK-2MP. - 79 - zooplankton samples were taken from various ... ). Ichthyoplankton collections were made with a drifting PNS-1 net. 3. The bottom was sampled at some shallower ... (New) According to our hydrographic survey Bank 3 is almost entirely in the French Fishing Zone ... , with the exception of the Southern slope and it is located further to the west than the previously ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 75-103 : Auteur(s): Gherasimchook, V.V., V.N. Brodin, A.V. Kljausov, I.B. Russelo, P.V. Tishkov and N.B. Zaremba

4. A von Bertalanffy growth model for toothfish at Heard Island fitted to length-at-age data and compared to observed growth from mark–recapture studies

   assuming normal errors with constant coefficient of variation using iteratively weighted least squares ... using VP maximum likelihood (MLP) with length-bin relative probabilities defined using fishing ... , the mean trend in observed AGR values with release length compared with those obtained using IWLS ... , ignoring VP sampling and assuming normal errors with constant coeffi cient of variation using iteratively ... the VB curve fi tted using VP maximum likelihood (MLP) with length-bin relative probabilities defi ... were closer to, but still substantially higher than, the mean trend in observed AGR values with ... release length compared with those obtained using IWLS-estimated parameters. A young-age adjustment (less ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 43–66 : Auteur(s): Candy, S.G., A.J. Constable, T. Lamb and R. Williams

5. Acoustic estimates of krill biomass in the Elephant Island area: 1981–1993

   years 1981 to 1993 (with the exception of 1982 and 1986). Estimates for 1981 to 1991 are based on ... vicinity of Elephant Island are presented for the years 1981 to 1993 (with the exception of 1982 and 1986 ... . (1991) to adjust the new definition of krill target strength at 120 kHz to 50 kHz, and predicted lower ... estimates (Demer and Hewitt, submitted). In addition, calibrations conducted with standard spheres ... may have increased the error associated with these estimates. Figure 1 describes a time series of ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 1–5 : Auteur(s): Hewitt, R.P. and D.A. Demer

6. Status of the Polish FIBEX acoustic data from the West Atlantic

   density estimates reported in BIOMASS (1986) and those based on new TS estimates (SC-CAMLR, 1991a ... cruises, with acoustic integration data relating to time, rather than distance steamed. The acoustic ... the BIOMASS Data Centre. These data were stored with data relating to distance steamed and did not ... C is (BTOMASS, 1991). an equipment constant (20 dB). MVBS values with time and positional data ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 125–132 : Auteur(s): Trathan, P.N., J. Kalinowski and I. Everson

7. Spawning locations of mackerel icefish at South Georgia

   ) within CCAMLR Subarea 48.3 (South Georgia and Shag Rocks) is assessed. This is considered alongside new ... alongside new data from commercial fisheries and research surveys. It is concluded that there is strong ... along with a few specimens of the Batliydraconid Poraclznn~iclztl?ys georgiatzus and the channichthyid ... ) reported a catch of 4 000 C, giinnari in a single haul. With the exception of eight small specimens (67 ... results from these observations with recent studies to provide a clearer insight into C. g ~ ~ i z ~ ~ n ...

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

8. Is the attempt to estimate the biomass of Antarctic fish from a multi-species survey appropriate for all targeted species? Notothenia rossii in the Atlantic Ocean sector – revisited

   survey combined with a number of identification hauls might be the most promising approach to estimating ... confused with other species to a large extent. Since then, no new attempts have been found in published ... abundance of the species, it is suggested that an acoustic survey combined with a number of identifi cation ... . To estimate the biomass of a range of species with similar precision, one has to assume that the ... Elephant Island. Catches of the species have been small (<50 kg/ 30 min) with the exception of one or two ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 141–153 : Auteur(s): Kock, K.-H., M. Belchier and C.D. Jones

9. Book review: Fish and Fish Resources of the Antarctic

   Antarctic Marine Living Resources, under the guidance of the intergovernmental Commission also known as ... for the future harvesting of fish stocks based on the fisheries potential of areas with high ... of areas with high fish productivity and to allocate areas according to the numerical dominance of ... with high abundance and population biomass are represen- tatives of only two local families ... - with the same composition of commercial indicator species - was approximately two times higher. The ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 165–168 : Auteur(s): Shust, K.V

10. Fishing intensity of the Soviet fleet in krill fisheries in the southern Atlantic (Subareas 48.2 and 48.3)

    many predators such as baleen whales, numerous fi sh, seal, penguin and fl ying bird species. At the ... Statistical Area 48 with the Soviet fl eet operating in Subareas 48.2 and 48.3 making up more than 95% of ... represented maximum possible values, which were in line with the objective of evaluating the peak impact of ... conditions, it extended around the island group with an emphasis on the western end. The Soviet fi shing fl ...

    Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 15–35 : Auteur(s): Kasatkina, S.M. and V.F. Ivanova

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