Résultats de la recherche
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Distribution and relative abundance of juvenile icefish (Champsocephalus gunnari) from a trawl survey of the South Georgia shelf in June–July 1985
) from a trawl survey of the South Georgia shelf in June–July 1985 Abstract / Description: A trawl ... survey of the distribution and relative abundance of juvenile icefish (Champsocephalus gunnari) in South ... Georgia waters was carried out in June–July 1985. Shelf and slope areas extending from the 12 nautical ... highest in the west, south and south-east shelf areas and the greatest abundance was found in shallow ... vertical opening was 6 m. The area covered in 30 minutes was 0.004416 square miles. Fishing operations ... ABUNDANCE OF JUVENILE ICEFISH (CHAMPSOCEPHALUS GUNNARI) FROM A TRAWL SURVEY OF THE SOUTH GEORGIA SHELF IN ... the distribution and relative abundance of juvenile icefish (Chamsocephalus gunnari) in South ... Georgia waters was carried out in June-July 1985. Shelf and slope areas extending from the 12 Nautical ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 55-63 : Auteur(s): Boronin, V.A., G.P. Zakharov and V.P. Shopov
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By-catch of fish in longline catches off the Kerguelen Islands (Division 58.5.1) during the 1995/96 season
Paper Title: By-catch of fish in longline catches off the Kerguelen Islands (Division 58.5.1 ... they could be of interest commercially if longline fishing operations expand in this part of the ... Southern Ocean in the future. File: 13duhamel-etal.pdf ... BY-CATCH OF FISH IN LONGLINE CATCHES OFF THE KERGUELEN ISLANDS (DIVISION 58.5.1) DURING THE 1995196 ... fishing operations expand in this part of the Southern Ocean in the future. Resume Les captures ... eleginoides) which was previously only fished by trawling. Fishing took place in the deep waters of the ... shelf break where sub-adult and adult fish (mainly 50 to 120 cm in total length) aggregate. Longline ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 175–193 : Auteur(s): Duhamel, G., P. Pruvost and D. Capdeville
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Soviet proposals for a program of ecosystem monitoring in the Commonwealth Sea and Prydz Bay
Paper Title: Soviet proposals for a program of ecosystem monitoring in the Commonwealth Sea and ... Monitoring Program in the Prydz Bay area is proposed. Major components of the program are observations of ... is necessary to have data collected every year for the spring, summer, and autumn seasons and, in ... ECOSYSTEM MONITORING IN THE COMMONWEALTH SEA AND PRYDZ BAY U.S.S.R. Abstract A general framework for ... a joint international CCAMLR Ecosystem Monitoring Program in the Prydz Bay area is proposed. Major ... - SOVIET PROPOSALS FOR A PROGRAM OF ECOSYSTEM MONITORING IN THE COMMONWEALTH SEA AND PRYDZ BAY One of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 355-362 : Auteur(s): USSR
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Patterns and processes in the distribution and dynamics of Antarctic krill
Paper Title: Patterns and processes in the distribution and dynamics of Antarctic krill Abstract ... critical processes to be added. An analysis of spatial distribution of krill in the Bransfield Strait area ... SC-CAMLR-VII/BG/20 PATTERNS AND PROCESSES IN THE ... explain fluorescence spatial distribution (at least in the 2-20 km length scales of the Weber et al ... added. An analysis of spatial distribution of krill in the Bransfield Strait area reveals that purely ... concentraciones a pequena escala. 1 . INTRODUCTION Among the important questions being addressed in ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 281–299 : Auteur(s): Levin, S.A., A. Morin and T.M. Powell
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Prey monitoring surveys: a discussion of the characteristics necessary in prey surveys
Paper Title: Prey monitoring surveys: a discussion of the characteristics necessary in prey ... distribution to relate to changes in predator demography. The paper discusses the constraints imposed on such ... during year Approx one month in summer unspecified duration during year. Main survey in Spring and ... DISCUSSION OF THE CHARACTERISTICS NECESSARY IN PREY SURVEYS I. Everson (United Kingdom) Abstract The ... CCAMLR Ecosystem Monitoring Programme requires information on prey distribution to relate to changes in ... CHARACTERISTICS NECESSARY IN PREY SURVEYS Inigo Everson British Antarctic Survey Natural Environment ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 377-391 : Auteur(s): Everson, I.
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Variations in echosounder calibration with temperature, and some possible implications for acoustic surveys of krill biomass
Paper Title: Variations in echosounder calibration with temperature, and some possible ... stability in system gain settings. Between Antarctic seasons this echosounder has also been calibrated in ... those applied in the Antarctic, even after adjustments have been made to account for differences in ... significant differences in volume backscattering (S v) and target strength (TS) transducer gains were detected ... transducers to the calibration sphere (approximately 20 m) was 2.3"C at Stromness and 11.2"C in Uggdalseidet ... VARIATIONS IN ECHOSOUNDER CALIBRATION WITH TEMPERATURE, AND SOME POSSIBLE IMPLICATIONS FOR ACOUSTIC SURVEYS ... after krill surveys there, and exhibits temporal stability in system gain settings. Between Antarctic ... seasons this echosounder has also been calibrated in temperate European waters. Under these warmer ...
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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By-catch of fishes captured by the krill fishing vessel Chiyo Maru No. 2 in Statistical Area 58 (January to March 1995)
Paper Title: By-catch of fishes captured by the krill fishing vessel Chiyo Maru No. 2 in ... . Unfortunately, Armstrong's fish by-catch data were not presented in a standardised manner. This paper ... variances are calculated from the delta distribution. In numbers, an average of about 14 fish were caught ... per tome of krill, and an average of about 25 fish were caught per hour of towing. In weight, an ... 'unknown myctophids' occurred in 20% of the hauls sampled for by-catch (Table 1). Other fish species ... FISHES CAPTURED BY THE KRILL FISHING VESSEL CHIYO MARU NO. 2 IN STATISTICAL AREA 58 (JANUARY TO MARCH ... fish by-catch data were not presented in a standardised manner. This paper presents a brief re ... from the delta distribution. In numbers, an average of about 14 fish were caught per tome of krill ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 111–123 : Auteur(s): Watters, G
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Myctophids in the diet of Antarctic predators
Paper Title: Myctophids in the diet of Antarctic predators Abstract / Description: The aim of ... , whales, fish and squids) in order to help evaluate the importance of myctophids in their diets. This ... review covers publications for the period since 1984-85 to the present. In total, over 50 publications ... found in the diet of one species of squid, 18 species of fish (Nototheniidae- eight, Channichthyidae ... year-round studies. Most of earlier studies which reported myctophids in the diet of predators ... SC-CAMLR-X/BG/6 MYCTOPHIDS IN THE DIET OF ANTARCTIC ... diet of various top predators (birds, seals, whales, fish and squids) in order to help evaluate the ... importance of myctophids in their diets. This review covers publications for the period since 1984-85 to the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 335–368 : Auteur(s): Sabourenkov, E.
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Can we satisfactorily estimate variation in krill abundance?
to year variation in krill abundance it is important that this be quantified and separated from ... Paper Title: Can we satisfactorily estimate variation in krill abundance? Abstract / Description ... per unit effort (CPUE) has traditionally been used in demersal fisheries assessments as an estimator ... ) does not provide a realistic index of krill abundance. Recognising that there is a large natural year ... SATISFACTORILY ESTIMATE VARIATION IN KRILL ABUNDANCE?* I. Everson1 (United Kingdom) Abstract Knowledge of ... effort (CPUE) has traditionally been used in demersal fisheries assessments as an estimator of ... provide a realistic index of krill abundance. Recognising that there is a large natural year to year ... variation in hill abundance it is important that this be quantified and separated from fishery induced ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 375-376 : Auteur(s): Everson, I.
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Reproduction of the mackerel icefish (Champsocephalus gunnari) and its implications for fisheries management in the Atlantic sector of the Southern Ocean
March to the end of each year's meeting of CCAMLR which is usually held in late October or early ... for fisheries management in the Atlantic sector of the Southern Ocean Abstract / Description ... been reviewed and discussed in the light of existing conservation measures. Length at first spawning is ... Islands and in the South Shetland Islands/Antarctic Peninsula region. Around South Georgia spawning takes ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 51–68 : Auteur(s): Kock, K.-H.