Résultats de la recherche
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Changes in the fish biomass around Elephant Island (Subarea 48.1) from 1976 to 1996
Paper Title: Changes in the fish biomass around Elephant Island (Subarea 48.1) from 1976 to 1996 ... Abstract / Description: Finfish stocks in the Antarctic Peninsula region (Subarea 48.1) were exploited ... from 1978/79 to 1988/89, with most of the commercial harvesting taking place in the first two years of ... the fishery. Results of bottom trawl surveys conducted by Germany in the vicinity of Elephant Island ... CCAMLR Science, Vol. 5 (1998): 165-189 CHANGES IN THE ... Finfish stocks in the Antarctic Peninsula region (Subarea 48.1) were exploited from 1978/79 to 1988/89 ... , with most of the commercial harvesting taking place in the first two years of the fishery. Results of ... bottom trawl surveys conducted by Germany in the vicinity of Elephant Island in the 1980s showed that ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 165–189 : Auteur(s): Kock, K.-H
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A stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region incorporating multi-year mark-recapture data
Paper Title: A stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross ... longline fishery for Antarctic toothfish (Dissostichus mawsoni) has been carried out in the Ross Sea region ... hence a multi-year mark-recapture tagging program was initiated by New Zealand fishing vessels in 2001 ... , and tagging has been an ongoing requirement for all vessels fishing in the fishery since 2004 ... (1960), Hoenig (1983) and Punt et al. (2005). Catch-at-age data between 1998 and 2005 in the north ... distribution is circumpolar, although D. mawsoni have a more southern distribution and are found in latitudes ... south of the Antarctic Con- vergence (Gon and Heemstra, 1990). Finfish fisheries in Antarctic waters ... (CCAMLR). To date, the main fishery for Antarctic toothfish in the high seas of the CAMLR Conven- tion ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 39–62 : Auteur(s): Mormede, S., A. Dunn and S.M. Hanchet
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Surveys of breeding penguins and other seabirds in the South Shetland Islands, Antarctica, January-February 1987*
Paper Title: Surveys of breeding penguins and other seabirds in the South Shetland Islands ... Living Resources Program in 1987 provided data on the number, size, and location of penguin and Antarctic ... blue-eyed shag colonies and the breeding status of other seabirds in the South Shetland Islands ... penguin in the study area, is about 2.5 times greater than the previous estimate. Although there appears ... BREEDING PENGUINS AND OTHER SEABIRDS IN THE SOUTH SHETLAND ISLANDS, ANTARCTICA, JANUARY-FEBRUARY 1987 ... Living Resources Program in 1987 provided data on the number, size, and location of penguin and ... Antarctic blue-eyed shag colonies and the breeding status of other seabirds in the South Shetland Islands ... most abundant penguin in the study area, is about 2.5 times greater than the previous estimate ...
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
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Preliminary results of a bottom trawl survey around Elephant Island in October and December 1987
Paper Title: Preliminary results of a bottom trawl survey around Elephant Island in October and ... Polarstern in October and December 1987. Preliminary results indicate rather stable stock compositions in ... Chaenocephalus aceratus, Notothenia gibberifrons and N. neglecta at least since February 1985. In N. rossii the ... proportion of larger (= older) fish in the catches increased. Composition of the catches of C. gunnari ... SURVEY AROUND ELEPHANT ISLAND IN OCTOBER AND DECEMBER 1987 K.-H. Kock Abstract A total of 40 ... bottom trawl hauls was carried out onboard RV Po/arstern in October and December 1987. Preliminary ... results indicate rather stable stock compositions in Chaenocepha/us aceratus, Notothenia gibberifrons ... and N. neg/ecta at least since February 1985. In N. rossii the proportion of larger (= older) fish in ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 185-200 : Auteur(s): Kock, K.-H.
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Target strength studies on Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea
Paper Title: Target strength studies on Antarctic silverfish (Pleuragramma antarcticum) in the ... Bay) at 38, 120 and 200 kHz in May 2007 and in February 2009. Overall ex situ TS–TL relationships were ... TL(cm) –73.74; (N = 16). Nine in situ acoustic trawl experiments targeted at juveniles and post ... -larvae of P. antarcticum with a total length from 13 to 70 mm, were conducted in the southeast of the ... in the TS–TL regression line (|Rcr| for the nine tri- als was 0.666; Table 7 in Crow et al., 1960 ... sTrengTh sTudies on anTarcTic silverfish (Pleuragramma antarcticum) in The ross sea M. Azzali, I ... 110 to 202.5 mm were measured ex situ (Ancona Bay) at 38, 120 and 200 kHz in May 2007 and in February ... = 34.75Log TL(cm) –84.20 (N = 19); TS200 = 26.71Log TL(cm) –73.74; (N = 16). Nine in situ acoustic trawl ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 75–104 : Auteur(s): Azzali, M., I. Leonori, I. Biagiotti, A. De Felice, M. Angiolillo, M. Bottaro and M. Vacchi
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Comparative feeding ecology of Patagonian toothfish (Dissostichus eleginoides) in the southwestern Atlantic
Paper Title: Comparative feeding ecology of Patagonian toothfish (Dissostichus eleginoides) in ... eleginoides) was investigated in two offshore regions in the southwestern Atlantic: on the Argentinian ... principal fish species in the diet of D. eleginoides on the Argentinian continental shelf were nototheniids ... (Zoarcidae, Moridae, Bathydraconidae, Channichthyidae) and on Decapoda, while juveniles in coastal waters ... FEEDING ECOLOGY OF PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) IN THE SOUTHWESTERN ATLANTIC S.B ... investigated in two offshore regions in the southwestern Atlantic: on the Argentinian continental shelf/slope ... species in the diet of D. elegii~oidcs on the Argentinian contine~~tal shelf were nototheniids (e.g ... , Bathydraconidae, Channichthyidae) and on Decapoda, while juveniles in coastal waters consumed lcrill and, in ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 105–124 : Auteur(s): García de la Rosa, S.B., F. Sánchez and D. Figueroa
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The Soviet krill fishery in the Atlantic Sector of the Antarctic from 1977 to 1991: fishing effort distribution and interannual patterns
Paper Title: The Soviet krill fishery in the Atlantic Sector of the Antarctic from 1977 to 1991 ... fishery in the Atlantic Sector of the Antarctic from 1977 to 1992 are discussed. The total fishing effort ... from 1977 to 1991 was 50 086 vessel-days fished, in Subareas 48.3 (45% of the total for the period ... ), 48.2 (36%) and 48.1 (19%). Three distinct patterns in the distribution of monthly fishing effort ... , 1960). In the southern hemisphere the positive values of the latitudinal and longitudinal gradients ... . 10 (2003): 1–13 THE SOVIET KRILL FISHERY IN THE ATLANTIC SECTOR OF THE ANTARCTIC FROM 1977 TO 1991 ... Abstract Data on the Soviet krill fi shery in the Atlantic Sector of the Antarctic from 1977 to 1992 are ... discussed. The total fi shing effort from 1977 to 1991 was 50 086 vessel-days fi shed, in Subareas 48.3 ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 1–13 : Auteur(s): Litvinov, F.F., V.A. Sushin, G.A. Chernega and O.A. Berezhinsky
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Selectivity of commercial and research trawls in relation to krill
Paper Title: Selectivity of commercial and research trawls in relation to krill Abstract ... more large krill (35-58 mm) than catches of the research trawl (30-54 mm). The maximum difference in ... mean length in catches made by both trawls was ∆L = 6.2 mm. Statistically significant variability in ... krill length composition was observed between catches made by the research trawl, while in commercial ... COMMERCIAL AND RESEARCH TRAWLS IN RELATION TO KRILL S.M. Kasatkina Atlantic Research Institute of Marine ... large krill (35-58 mm) than catches of the research trawl (30-54 mm). The maximum difference in mean ... length in catches made by both trawls was AL = 6.2 mm. Statistically significant variability in krill ... length composition was observed between catches made by the research trawl, while in commercial trawl ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 161–169 : Auteur(s): Kasatkina, S.M
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Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)
Paper Title: Evidence to support the annual formation of growth zones in otoliths of Antarctic ... annually in the otoliths of this species. However, no evidence to validate this assumption has previously ... been presented. In the current work, otoliths from four distinct juvenile length-frequency modes were ... in each consecutive mode. This indicates that the modes represented year classes and that one ... (2003): 125–138 125 EVIDENCE TO SUPPORT THE ANNUAL FORMATION OF GROWTH ZONES IN OTOLITHS OF ... that one translucent zone is formed annually in the otoliths of this species. However, no evidence to ... validate this assumption has previously been presented. In the current work, otoliths from four distinct ... consistent within modes, and increased by one in each consecutive mode. This indicates that the modes ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 125–138 : Auteur(s): Horn, P.L., C.P. Sutton and A.L. DeVries
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Common fish by-catch species in CCAMLR krill fisheries
Description / Abstract: This simple guide is designed to assist in the identification of fish by ... -catch in the krill fisheries to appropriate taxonomic levels. The identification sheets are based on the ... information provided in WG-EMM 07/32 (A guide to identification of fishes caught along with the Antarctic ... that have occurred as by-catch in the krill fishery, as well as three family-specific keys. It is ... -catch species in CCAMLR krill fisheries http://www.ccamlr.org/ mailto:ccamlr@ccamlr.org 1 ... Introduction This simple guide is designed to assist in the identification of fish by-catch in the krill ... in WG-EMM 07/32 (A guide to identification of fishes caught along with the Antarctic krill, T. Iwami ... occurred as by-catch in the krill fishery, as well as three family-specific keys. It is intended to ...
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