Résultats de la recherche
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Estimates of fish stock biomass around South Georgia in January/February 1985
Paper Title: Estimates of fish stock biomass around South Georgia in January/February 1985 ... estimate stock sizes of the commercially exploited Notothenia rossii, N. guntheri, N. gibberifrons ... around South Georgia. Due to the small data base and the scarcity of comparative information the state of ... , Ch. aceratus and Ps. georgianus have been considerably affected by the fishery. Stock sizes of N ... of the Antarctic (from 1962 to 1983 inclusive). Selected papers presented to the Scientific ... /BG/12 1985 ESTIMATES OF FISH STOCK BIOMASS AROUND SOUTH GEORGIA IN JANUARY/FEBRUARY 1985 ... sizes of the commercially exploited Notothenia rossii, N. guntheri, N. gibberifrons, Dissostichus ... Georgia. Due to the small data base and the scarcity of comparative information the state of N. guntheri ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 1-32 : Auteur(s): Kock, K.-H.
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Differences in distribution and population structure of krill (Euphausia superba) between penguin and fur seal foraging areas near Seal Island
Paper Title: Differences in distribution and population structure of krill (Euphausia superba ... studies of krill-eating predators (penguins and female fur seals) near Seal Island were conducted to ... in inshore regions where krill frequently occurred but higher density areas of krill (~250 g/m 2 ... occurred only occasionally but in large aggregations (surface length about 2 to 3 km) of higher densities ... predators' foraging behaviour. This paper presents preliminary results of those objectives described in ... ground of Subarea 48.1 during 1990/91 austral season. In: Selected Scientific Papers, 1992 (SC-CAMLR-SSP ... POPULATION STRUCTURE OF KRILL (EUPHAUSIA SUPERBA) BETWEEN PENGUIN AND FUR SEAL FORAGING AREAS NEAR SEAL ... Shipboard tracking studies of krill-eating predators (penguins and female fur seals) near Seal Island were ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 273–285 : Auteur(s): Ichii, T., H. Ishii, J.L. Bengtson, P. Boveng, J.K. Jansen and M. Naganobu
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Distribution of the Soviet krill fishing fleet in the South Orkneys area (Subarea 48.2) during 1989/90
Paper Title: Distribution of the Soviet krill fishing fleet in the South Orkneys area (Subarea ... 48.2) during 1989/90 Abstract / Description: The results of an analysis of haul-by-haul catch ... statistics from the Soviet krill fishing fleet during the 1989/90 season (sample of 3 614 hauls for the ... fishing ground off the northwestern tip of Coronation Island. CPUE showed variability with a minimum in ... monitoring and management of the ecosystem. In this paper, data are presented on the distribution of the ... CCAMLR Science, Vol. 5 (1998): 51-62 DISTRIBUTION OF ... . Sushin Atlantic Research Institute of Marine Fisheries and Oceanography (AtlantNIRO) 5 Dmitry Donskoy ... St. Kaliningrad 236000, Russia Abstract The results of an analysis of haul-by-haul catch ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 51–62 : Auteur(s): Sushin, V.A
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Distribution and abundance of Macrourus carinatus on BANZARE Bank in the southern Indian Ocean
Paper Title: Distribution and abundance of Macrourus carinatus on BANZARE Bank in the southern ... Indian Ocean Abstract / Description: This paper provides an assessment of the distribution and abundance ... of Macrourus carinatus on BANZARE Bank in the southern Indian Ocean (Divisions 58.4.1 and 58.4.3 ... ) based on results from a trawl survey in 1999. This is the first quantitative assessment of M. carinatus ... 7050 Tasmania, Australia Abstract This paper provides an assessment of the distribution and ... sustainable yields according to CCAMLR's decision rules. This paper provides a brief review of available ... biomass or density of M. carilzatus in the Southern Ocean available in the literature. This paper ... DISTRIBUTION AND ABUNDANCE OF MACROURUS CARINATUS ON BANZARE BANK IN THE SOUTHERN INDIAN OCEAN E.M. van Wijk ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 171–178 : Auteur(s): van Wijk, E.M., A.J. Constable, R. Williams and T. Lamb
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Age determination of Notothenia gibberifrons from the South Shetland Islands, Antarctic Peninsula subarea (Subarea 48.1)
Paper Title: Age determination of Notothenia gibberifrons from the South Shetland Islands ... Potter Cove, 25 De Mayo/King George I.). Samples consisted of small and medium sized fish (total length ... scale readings gave a result of one year more. This could arise from the difficulty in differentiating ... previously for specimens of South Bay, Palmer Archipelago. Possible reasons for these differences are ... species. Up to now several papers have been published on the age and growth of N. gibberifrons. Kock et ... of this paper is to contribute new data on age and length of N. gibberifrons from the South Shetland ... , sagittal otoliths and scales of Potter Cove specimens were extracted, cleaned, dried and stored in paper ... WG-FSA-88/15 AGE DETERMINATION OF NOTOTHENIA ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 143-160 : Auteur(s): Barrera-Oro, E.
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Status of krill target strength
Paper Title: Status of krill target strength Abstract / Description: Empirical estimates for the ... target strength of krill are extracted from publications. These are confined to measurements on ... aggregations of live euphausiids and should not be affected by a frequent cause of bias in single-animal ... -cylinder scattering model assuming specific sets of physical and orientational parameters, for which there ... thresholding. The organisation of this paper is the following. The quantities of target strength, back ... WG-KRll.L-92/11 STATUS OF KRILLTARGET STRENGTH K.G ... . Foote1, D. Chu2 and T.K. Stanton2 Abstract Empirical estimates for the target strength of krill are ... extracted from publications. These are confined to measurements on aggregations of live euphausiids and ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 101–126 : Auteur(s): Foote, K.G., D. Chu and T.K. Stanton
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Variations in echosounder calibration with temperature, and some possible implications for acoustic surveys of krill biomass
implications for acoustic surveys of krill biomass Abstract / Description: Accurate estimation of krill ... biomass by acoustic techniques is dependent on a number of factors of which one of the most fundamental is ... S v transducer gains at South Georgia (sea temperature at depth of transducer = 2.3 o C) were on ... were taken of the differences in gain settings, then integrated 120 kHz echo signals would be under ... OF KRILL BIOMASS A.S. Brierley, C. Goss, J.L. Watkins and P. Woodroffe British Antarctic Survey ... Abstract Accurate estimation of krill biomass by acoustic techniques is dependent on a number of factors ... of which one of the most fundamental is accurate echosounder calibration. The Simrad EK500 ... (sea temperature at depth of transducer = 2.3'C) were on average 1.4 dB less than in European waters ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 273–281 : Auteur(s): Brierley, A.S., C. Goss, J.L. Watkins and P. Woodroffe
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Evaluating the impact of multi-year research catch limits on overfished toothfish populations
Paper Title: Evaluating the impact of multi-year research catch limits on overfished toothfish ... populations Abstract / Description: In stocks that have been depleted by overfishing, the benefit of ... may contribute to delaying or preventing the recovery of such stocks. Through simulating a Patagonian ... toothfish (Dissostichus eleginoides) stock that has been subjected to varying levels of overfishing and ... . Selected Scientific Papers, 1990 (SC-CAMLR-SSP/7). CCAMLR, Hobart, Australia: 467–475. Delegation of ... ; they were considered to be below 20% of median spawning stock biomass prior to fishing (SSB0). For ... example, very high levels of illegal, un- regulated and unreported (IUU) fishing on Ob and Lena Banks ... (estimated to have caught 7 086 tonnes of Patagonian toothfish (Dissostichus eleginoides) between 1996 and ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 47–55 : Auteur(s): Welsford, D.C
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The foraging range of Adélie penguins – implications for CEMP and interactions with the krill fishery
Paper Title: The foraging range of Adélie penguins – implications for CEMP and interactions with ... the krill fishery Abstract / Description: This paper presents a summary of the foraging locations of ... coast of eastern Antarctica between 55 o E (Enderby Land) and 175 o E (Ross Sea). Adélie penguins ... , Euphausia superba. Locations of penguins on foraging trips were compared with historical records of fine ... paper presents a summary of the foraging locations of Adelie penguins, determined by satellite tracking ... OF ADELIE PENGUINS - IMPLICATIONS FOR CEMP AND INTERACTIONS WITH THE KRILL FISHERY K.R. Kerry, J.R ... . Thomson Department of Zoology, University of Cape Town Rondeboscl~ 7700, South Africa Abstract This ... , at seven widely-spaced breeding colonies along the coast of eastern Antarctica between 55"E (Enderby ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 75–87 : Auteur(s): Kerry, K.R., J.R. Clarke, S. Eberhard, H. Gardner, R.M. Lawless, S. Corsolini, S. Focardi, E. Franchi, D. Rodary and R. Thomson
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Can we use discriminant function analysis to sex penguins prior to calculating an index of a morphometric characteristic?
index of a morphometric characteristic? Abstract / Description: In sexually dimorphic species ... discriminant analysis can be used to determine the sex of individuals, it is only able to correctly sex a ... certain proportion of birds. Two overlapping normal distributions are used to show that there is a ... using discriminant analysis. When discriminant functions are able to correctly determine the sex of ... to combine males and females for the calculation of an index. This paper evaluates the suggestion ... part of this paper that using a discriminant function that correctly identifies the sex of >80% of ... discriminant analysis of morphometric measurements. Selected Scientific Papers, 1990 (SC-CAMLR-SSP/7). CCAMLR ... TO SEX PENGUINS PRIOR TO CALCULATING AN INDEX OF A MORPHOMETRIC CHARACTERISTIC? D.J. Agnew ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 259–272 : Auteur(s): Agnew, D.J.