Résultats de la recherche
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Information on the status of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in the lower South Shetland Islands, derived from the 2000–2006 monitoring program at Potter Cove
Paper Title: Information on the status of fjord Notothenia rossii, Gobionotothen gibberifrons and ... Potter Cove Abstract / Description: The long-term monitoring program of demersal fish at inshore sites ... of the South Shetland Islands has continued at Potter Cove from 2000 to 2006, extending a continuous ... sampling period of 24 years which began in 1983, and at Harmony Cove in the summers of 2001to 2003. The ... , Vol. 14 (2007): 83–87 83 INFORMATION ON THE STATUS OF FJORD NOTOTHENIA ROSSII, GOBIONOTOTHEN ... , Argentina Abstract The long-term monitoring program of demersal fi sh at inshore sites of the South ... of 24 years which began in 1983, and at Harmony Cove in the summers of 2001 to 2003. The decline in ... trammel net catches of fjord Notothenia rossii and Gobionotothen gibberifrons in relation to the non ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 83–87 : Auteur(s): Barrera-Oro, E.R. and E.R. Marschoff
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Patagonian toothfish in international waters of the Southwest Indian Ocean (Statistical Area 51)
Paper Title: Patagonian toothfish in international waters of the Southwest Indian Ocean ... , following commercial fishing procedures, in a restricted area south of Madagascar and north of Prince Edward ... and Marion Islands and the Crozet Islands, outside EEZs and CCAMLR waters. A total of 57 hauls was ... from 53 to 1 158 kg. The northward distribution of D. eleginoides is closely related to the extension ... (2005): 207–214 207 PATAGONIAN TOOTHFISH IN INTERNATIONAL WATERS OF THE SOUTHWEST INDIAN OCEAN ... , in a restricted area south of Madagascar and north of Prince Edward and Marion Islands and the ... Crozet Islands, outside EEZs and CCAMLR waters. A total of 57 hauls was made at depths between 360 and 1 ... northward distribution of D. eleginoides is closely related to the extension of the Sub-Antarctic Front ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 207–214 : Auteur(s): López Abellán, L.J
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Sensitivity investigation of the SDWBA Antarctic krill target strength model to fatness, material contrast and orientation
Paper Title: Sensitivity investigation of the SDWBA Antarctic krill target strength model to ... model is recognised as state-of-the-art in predicting acoustic target strength (TS) from fluid-like ... TS of Antarctic krill (Euphausia superba) for use in the acoustic echo-integration method. In this ... lengths are explored via a sensitivity analysis of some important parameters: number of stochastic ... Although zooplankton are small organisms and their echoes weak, they are discernible scat- terers of ... sound within specific frequency ranges. Acoustic estimates of zooplankton abundance can be made ... rigorously if the scattering as a function of size and frequency for an individual (i.e. target strength ... (TS)) is known. TS of an aquatic organ- ism can either be measured directly (in situ or ex situ) or ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 97–122 : Auteur(s): Calise, L. and G. Skaret
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A fine-scale model of the overlap between penguin foraging demands and the krill fishery in the South Shetland Islands and Antarctic Peninsula
Paper Title: A fine-scale model of the overlap between penguin foraging demands and the krill ... using the total catch of krill taken within 100 km of penguin colonies in their breeding season ... (December to March) as an index of overlap between the potential foraging areas of penguins and the ... distribution of the krill fishery in Subarea 48.1 (South Shetland Islands). As this index has proven unsuitable ... MODEL OF TlHE OVERLAP BETWEEN PENGUIN FORAGING DEMANDS AND THE KRILL FISHERY IN THE SOUTH SHETLAND ... , Australia Abstract CCAMLR has been using the total catch of krill taken within 100 km of penguin ... colonies in their breeding season (December to March) as an index of overlap between the potential ... foraging areas of penguins and the distribution of the krill fishery in Subarea 48.1 (South Shetland ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 99–110 : Auteur(s): Agnew, D.J. and G. Phegan
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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 ... / Description: This paper describes the results of fishing a single krill aggregation with a commercial trawl ... more large krill (35-58 mm) than catches of the research trawl (30-54 mm). The maximum difference in ... trawl catches krill length composition hardly varied at all. Statistical analysis of catches showed that ... CCAMLR Science, Vol. 4 (1997): 161-169 SELECTIVITY OF ... COMMERCIAL AND RESEARCH TRAWLS IN RELATION TO KRILL S.M. Kasatkina Atlantic Research Institute of Marine ... This paper describes the results of fishing a single krill aggregation with a commercial trawl RT 72 ... large krill (35-58 mm) than catches of the research trawl (30-54 mm). The maximum difference in mean ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 161–169 : Auteur(s): Kasatkina, S.M
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CPUE indices used in Soviet krill fishery statistics from 1977 to 1992 and their possible utility for evaluation of relative changes in krill biomass
possible utility for evaluation of relative changes in krill biomass Abstract / Description: Key catch-per ... -unit-effort (CPUE) indices used in Soviet krill fishery statistics, as well as the main sources of data ... -days fished (CVDF), catch per extended vessel-days fished (CEVDF) and catch per hour of trawling (CHT ... ). A relatively high correlation between mean monthly values of CVDF and CEVDF, and CVDF and CHT was ... AND THEIR POSSIBLE UTILITY FOR EVALUATION OF RELATIVE CHANGES IN KRILL BIOMASS F.F. Litvinov , A.Z ... well as the main sources of data and primary data for their calculations, were examined. The main ... ) and catch per hour of trawling (CHT). A relatively high correlation between mean monthly values of ... quite low as a result of signifi cant fl uctuations in haul duration due to the different fi shing ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 165–177 : Auteur(s): Litvinov, F.F., A.Z. Sundakov and V.I. Arkhipov
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An assessment of the exploratory fishery for Dissostichus spp. on BANZARE Bank (CCAMLR Division 58.4.3b) based on fine-scale catch and effort data
Paper Title: An assessment of the exploratory fishery for Dissostichus spp. on BANZARE Bank ... CCAMLR Scientific Committee expressed concern as to the status of the stock on which the exploratory ... Dissostichus spp. fishery on BANZARE Bank (CCAMLR Division 58.4.3b) was based. This paper presents a summary of ... fine-scale catch and effort data held by CCAMLR for BANZARE Bank, as well as descriptive analyses of ... Assessment of the explorAtory fishery for Dissostichus spp. on BAnZAre BAnk (CCAmlr Division 58.4.3b) BAseD ... Department of the Environment, Water, Heritage and the Arts Australian Antarctic Division 203 Channel ... CCAMLR Scientific Committee expressed concern as to the status of the stock on which the exploratory ... of fine-scale catch and effort data held by CCAMLR for BANZARE Bank, as well as descriptive analyses ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 55–78 : Auteur(s): McKinlay, J.P., D.C. Welsford, A.J. Constable and G.B. Nowara
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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 ... ; 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 ... in 2002 (CCAMLR, 2002). The relationship of the stock on Ob and Lena Banks to other stocks in the ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 47–55 : Auteur(s): Welsford, D.C
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Potential impacts of bottom trawling on benthic communities in Prydz Bay, Antarctica
Paper Title: Potential impacts of bottom trawling on benthic communities in Prydz Bay, Antarctica ... Abstract / Description: This paper presents data on benthos retrieved in bottom trawls during a survey of ... examine a potential impact of bottom trawling on benthic communities in this region. The benthos was ... examined in trawls at 14 of the 22 random stations providing representative samples from different areas in ... SC-CAMLR-X/BG/19 POTENTIAL IMPACTS OF BOTTOM TRAWLING ... data on benthos retrieved in bottom trawls during a survey of demersal finfish species in Prydz Bay by ... Australia in the 1990/91 season. The data collected are used to examine a potential impact of bottom ... trawling on benthic communities in this region. The benthos was examined in trawls at 14 of the 22 random ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 403–410 : Auteur(s): Constable, A.J.
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An assessment of the mackerel icefish (Champsocephalus gunnari) off Heard Island
Paper Title: An assessment of the mackerel icefish (Champsocephalus gunnari) off Heard Island ... Abstract / Description: Assessments of the abundance and potential yield of the mackerel icefish ... (Champsocephalus gunnari) populations at Heard Island are developed from the results of four scientific surveys ... conducted in 1990, 1992, 1993 and 1997. The assessments include estimates of all the parameters required ... ASSESSMENT OF THE MACKEREL ICEFISH (CHAMPSOCEPHALUS GUNNARI) OFF HEARD ISLAND W.K. de la Mare, R. Williams ... , Australia *Correspondence should be addressed to A.J. Constable Abstract Assessments of the abundance ... and potential yield of the mackerel icefish (Clzanzpsocephalus guiznari) populations at Heard Island ... are developed from the results of four scientific surveys conducted in 1990,1992,1993 and 1997. The ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 79–101 : Auteur(s): de la Mare, W.K., R. Williams and A.J. Constable