Search results
-
Seasonal and inter-annual variability in the distribution of Electrona carlsbergi in the southern Polar Front area (the area to the north of South Georgia is used as an example)
resultats des campagnes ont montre que la distribution et le comportement dIE. carlsbergi sont etroitement ... Paper Title: Seasonal and inter-annual variability in the distribution of Electrona carlsbergi in ... the southern Polar Front area (the area to the north of South Georgia is used as an example) Abstract ... of South Georgia Is between 49° to 54°S and 25° to 40°W. The area is within the Polar Frontal Zone ... inter-annual variability in distribution, density and biomass of the most abundant species of myctophids ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 337–367 : Author(s): Kozlov, A.N., K.V. Shust and A.V. Zemsky
-
Simulation of recovery rates of fish stocks in the South Georgia and Kerguelen Islands areas
Paper Title: Simulation of recovery rates of fish stocks in the South Georgia and Kerguelen ... Islands areas Abstract / Description: The benefits of conservation measures are generally based on the ... rebuilding of the depleted stocks and improvement in yields. It is desirable that such measures be based on ... the expected rate of recovery relative to rates of fishing. A simulation model based on a ... ) SIMULATION OF RECOVERY RATES OF FISH STOCKS IN THE SOUTH GEORGIA AND KERGUELEN ISLANDS AREAS R.C ... . Hennemuth, K.D. Bisack and G. Duhamel (USA, France) Abstract The benefits of conservation measures are ... generally based on the rebuilding of the depleted stocks and improvement in yields. It is desirable that ... such measures be based on the expected rate of recovery relative to rates of fishing. A simulation ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 229-298 : Author(s): Hennemuth, R.C., K.D. Bisack and G. Duhamel
-
Analysis of changes in biomass of fish stocks in the South Georgia area in 1976/77-1986/87
. Season L~onth Vessel Place of caoture Depth Swept Ho.of Gear Horizontal Soeed of /Division No.af- range ... Paper Title: Analysis of changes in biomass of fish stocks in the South Georgia area in 1976/77 ... the stocks of five fish species (Champsocephalus gunnari, Chaenocephalus aceratus, Pseudochaenichthys ... 1976/77-1986/87. In most of the seasons analysed, the estimates covered a near-bottom layer in about 1 ... /6 of the area of the island shelf. Assessment results point to considerable variations in fish ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 185-211 : Author(s): Mucha, M. and W. Ślósarczyk
-
Midwater trawl catchability as an aspect of a quantitative assessment of krill biomass conducted using a trawl census survey
Paper Title: Midwater trawl catchability as an aspect of a quantitative assessment of krill ... variable which depends on both the behavioural and distributional characteristics of the target species and ... trawl parameters. Reliability of biomass assessments will improve with better knowledge of trawl ... catchability and krill distribution patterns. A comparative analysis of trawl catchability for commercial ... OF A QUANTIT ATIVE ASSESSMENT OF KRILL BIOMASS CONDUCTED USING A TRAWL CENSUS SURVEY S.M ... distributional characteristics of the target species and trawl parameters. Reliability of biomass assessments ... will improve with better knowledge of trawl catch ability and krill distribution patterns. A ... comparative analysis of trawl catchability for commercial midwater trawls and small research trawls, in this ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 257–272 : Author(s): Kasatkina, S.M.
-
A simulation study of the method of deriving natural mortality rate using data for Champsocephalus gunnari in Subarea 48.3
Paper Title: A simulation study of the method of deriving natural mortality rate using data for ... Champsocephalus gunnari in Subarea 48.3 Abstract / Description: A method of determining the rate of natural ... mortality, based on the construction of a regression between the rate of annual fishing mortality ... (determined by VPA) and fishing effort is described. The intersect of this regression must be equal to zero if ... WG-FSA-91/2S A SIMULATION STUDY OF THE METHOD OF ... and R.S. Dorovskikh* * Abstract A method of determining the rate of natural mortality, based on ... the construction of a regression between the rate of annual fishing mortality (determined by VPA ... ) and fishing effort, is described. The intersect of this regression must be equal to zero if the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 69–83 : Author(s): Gasyukov, P.S. and R.S. Dorovskikh
-
Experimental evaluation of the effectiveness of weighting regimes in reducing seabird by-catch in the longline toothfish fishery around South Georgia
T C C T T C T C C T T C C T T C C T T C No.of Weights 2 1 1 2 2 1 2 1 2 3 3 2 2 3 3 2 2 3 3 2 Hooks Set Observed ... Paper Title: Experimental evaluation of the effectiveness of weighting regimes in reducing ... of experiments was carried out in February 1999 at South Georgia (Subarea 48.3) to examine the ... effects of different weighting regimes on the incidental mortality of birds caught on longlines fishing ... for toothfish (Dissostichus spp.). Three regimes were examined, with weights of 4.25, 8.5 and 12.75 kg ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 119–131 : Author(s): Agnew, D.J., A.D. Black, J.P. Croxall and G.B. Parkes
-
A preliminary assessment of the stock of the ommastrephid squid Martialia hyadesi in the Scotia Sea based on data from predators
Paper Title: A preliminary assessment of the stock of the ommastrephid squid Martialia hyadesi in ... target species. It is likely, therefore, that exploitation of the sub-Antarctic ommastrephid species ... Martialia hyadesi; will be attempted in the future. This squid is an important component of the diet of ... several species of albatross and the southern elephant seal and is probably taken in significant ... SC-CAMLR-IX/BG/13 A PRELIMINARY ASSESSMENT OF THE STOCK ... OF THE OMMASTREPHID SQUID MARTIALIA BY ADESI IN THE SCOTIA SEA BASED ON DATA FROM PREDATORS· P.G ... exploitation of the sub-Antarctic ommastrephid species Martialia hyadesi will be attempted in the future. This ... squid is an important component of the diet of several species of albatross and the southern elephant ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 479–480 : Author(s): Rodhouse, P.G.
-
Validation of sink rates of longlines measured using two different methods
Paper Title: Validation of sink rates of longlines measured using two different methods Abstract ... / Description: Sink rates of integrated weight longlines (lines with 50 g.m –1 lead integrated into two strands ... of the ground line – IW-50 lines) were measured during commercial fishing operations using two ... methods: electronic time depth recorders (TDRs) and pieces of string of known length wrapped around empty ... . 11 (2004): 179–187 179 VALIDATION OF SINK RATES OF LONGLINES MEASURED USING TWO DIFFERENT METHODS ... , Australia Email – barbara.wienecke@aad.gov.au Abstract Sink rates of integrated weight longlines (lines ... with 50 g.m–1 lead integrated into two strands of the ground line – IW-50 lines) were measured during ... commercial fi shing operations using two methods: electronic time depth recorders (TDRs) and pieces of ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 179–187 : Author(s): Wienecke, B. and G. Robertson
-
Population genetic structure of Patagonian toothfish in the West Indian Ocean sector of the Southern Ocean
Paper Title: Population genetic structure of Patagonian toothfish in the West Indian Ocean sector ... of the Southern Ocean Abstract / Description: Molecular markers were used to investigate the stock ... structure of Patagonian toothfish (Dissostichus eleginoides) in the West Indian Ocean sector of the Southern ... Ocean. Four collections of D. eleginoides from Kerguelen (n = 1), Crozet (n = 1) and Prince Edward and ... (2004): 21–32 21 POPULATION GENETIC STRUCTURE OF PATAGONIAN TOOTHFISH IN THE WEST INDIAN OCEAN ... SECTOR OF THE SOUTHERN OCEAN S.A. Appleyard CSIRO Marine Research GPO Box 1538, Hobart 7001 Tasmania ... , Australia Abstract Molecular markers were used to investigate the stock structure of Patagonian toothfi sh ... (Dissostichus eleginoides) in the West Indian Ocean sector of the Southern Ocean. Four collections of D ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 21–32 : Author(s): Appleyard, S.A., R. Williams and R.D. Ward
-
A generalised model for evaluating yield and the long-term status of fish stocks under conditions of uncertainty
Paper Title: A generalised model for evaluating yield and the long-term status of fish stocks ... under conditions of uncertainty Abstract / Description: This paper presents a general fish stock ... projection model for assessing the long-term annual yield which satisfies objectives for the maintenance of ... period and set a further constraint on the long-term status of the stock relative to the pre-exploitation ... MODEL FOR EVALUATING YIELD AND THE LONG-TERM STATUS OF FISH STOCKS UNDER CONDITIONS OF UNCERTAINTY ... A.J. Constable School of Aquatic Science and Natural Resources Management Deakin University P.O ... projection model for assessing the long-term annual yield which satisfies objectives for the maintenance of ... period and set a further constraint on the long-term status of the stock relative to the pre ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 31–54 : Author(s): Constable, A. and W.K. de la Mare