Resultados de la búsqueda
-
Assessing the power to detect systematic change in Adélie penguin foraging trip duration
Paper Title: Assessing the power to detect systematic change in Adélie penguin foraging trip ... duration Abstract / Description: Models of variability in Adélie penguin foraging trip durations were ... . While foraging trip duration is considered to be sensitive to changes in food availability over time ... ice cover as a covariate to explain between-year variation in trip duration increased the power to ... ASSESSING THE POWER TO DETECT SYSTEMATIC CHANGE IN ADÉLIE PENGUIN FORAGING TRIP DURATION C. Southwell, J ... difference and slope. While foraging trip duration is considered to be sensitive to changes in food ... %. The strategy of including ice cover as a covariate to explain between-year variation in trip duration ... to changes in prey availability are seen as ‘good’ characteristics of foraging trip ясельной ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 201–215 : Autor(es): Southwell, C., J. Clarke and L.M. Emmerson
-
A declining trend in the abundance of Notothenia rossii marmorata and Notothenia gibberifrons observed in fjords in two sites in the South Shetland Islands
to the catches of N. neglecta. A similar declining trend had been reported in the 1960s and 1970s for ... Paper Title: A declining trend in the abundance of Notothenia rossii marmorata and Notothenia ... gibberifrons observed in fjords in two sites in the South Shetland Islands Abstract / Description: A declining ... trend observed in the abundance of Notothenia rossii marmorata and Notothenia gibberifrons in fjords in ... . neglecta. A similar declining trend had been reported in the 1960s and 1970s for neighbouring sites in the ... WG-FSA-90/14 A DECLINING TREND IN THE ABUNDANCE OF ... NOTOTHENIA ROSSII MARMORATA AND NOTOTHENIA GIBBERIFRONS OBSERVED IN FJORDS IN TWO SITES IN THE SOUTH ... SHETLAND ISLANDS E. Barrera-Oro and E. Marschofr Abstract A declining trend observed in the abundance ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 263–274 : Autor(es): Barrera-Oro, E. and E. Marschoff
-
By-catch, growth and feeding of Antarctic juvenile fish taken in krill (Euphausia superba Dana) fisheries in the South Georgia area, in 1992
Paper Title: By-catch, growth and feeding of Antarctic juvenile fish taken in krill (Euphausia ... superba Dana) fisheries in the South Georgia area, in 1992 Abstract / Description: This paper discusses ... an investigation of juvenile Antarctic fish caught during krill fishing by the FV Grigory Kovtun in ... the area around South Georgia from May to July 1992. Two species were predominant in the by-catches ... FEEDING OF ANTARCTIC JUVENILE FISH TAKEN IN KRILL (EUPHAUSIA SUPERBA DANA) FISHERIES IN THE SOUTH GEORGIA ... AREA, IN 1992 E.A. Pakh~mov',~ and S.A. Pankratovl 'Southern Scientific Research Institute of ... caught during krill fishing by the FV Grigoy Kovtun in the area around South Georgia from May to July ... 1992. Two species were predominant in the by-catches: Charnpsocephalus gunnari and Nototheniops ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 129–142 : Autor(es): Pakhomov, E.A. and S.A. Pankratov
-
Analysis of changes in biomass of fish stocks in the South Georgia area in 1976/77-1986/87
Paper Title: Analysis of changes in biomass of fish stocks in the South Georgia area in 1976/77 ... -1986/87 Abstract / Description: The swept area method was used to estimate biomass density changes in ... georgianus, Notothenia gibberifrons and Notothenia rossii marmorata) in the South Georgia area in the seasons ... 1976/77-1986/87. In most of the seasons analysed, the estimates covered a near-bottom layer in about 1 ... CHANGES IN BIOMASS OF FISH STOCKS IN THE SOUTH GEORGIA AREA IN 1976/77-1986/87 M. Mucha and W ... . Slosarczyk (Poland) Abstract The swept area method was used to estimate biomass density changes in the ... ~eorgianus, Notothenia gibberifrons and Notothenia ross1i marmorata) in the South Georgia area in the ... seasons 1976;77-1986/87. In most of the seasons analysed, the estimates covered a near-bottom layer in ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 185-211 : Autor(es): Mucha, M. and W. Ślósarczyk
-
Large-scale peculiarities of phytocenosis species composition in the surface layer in the Antarctic Atlantic and Indian Ocean sectors
Weddell Gyre. In the eastern Weddell Gyre a great change in the composition of phytoplankton species was ... Paper Title: Large-scale peculiarities of phytocenosis species composition in the surface layer ... in the Antarctic Atlantic and Indian Ocean sectors Abstract / Description: In surface phytoplankton ... registered. Variability in phytoplankton species composition occurred mainly in the Antarctic Convergence ... the distribution of the south peripheral waters and the centre of the Weddell Gyre. In the eastern ... phytoplankton biomass was lower. In the eastern part of the Weddell Gyre where, as it is known, the system ... in phytoplankton biomass was observed (eastern part of tack Ill, tacks IV and V, see Figures 4 to 6 ... PHYTOCENOSIS SPECIES COMPOSITION IN THE SURFACE LAYER IN THE ANTARCTIC ATLANTIC AND INDIAN OCEAN SECTORS ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 201-214 : Autor(es): Makarov, R.R. and K.P. Fedorov
-
A review of data on abundance, trends in abundance, habitat use and diet of ice-breeding seals in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop)
Paper Title: A review of data on abundance, trends in abundance, habitat use and diet of ice ... -breeding seals in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop) Abstract ... / Description: The development of models of marine ecosystems in the Southern Ocean is becoming increasingly ... . Collating data from disparate sources, and understanding biases or uncertainties inherent in those data, are ... study of the struc- ture and function of the pack-ice ecosystem in the eastern Ross Sea, Antarctica ... Science, Vol. 19 (2012): 49–74 49 A REVIEW OF DATA ON ABUNDANCE, TRENDS IN ABUNDANCE, HABITAT USE AND ... DIET OF ICE-BREEDING SEALS IN THE SOUTHERN OCEAN C. Southwell* Australian Antarctic Division ... of models of marine ecosystems in the Southern Ocean is becoming increasingly important as a means ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 49–74 : Autor(es): Southwell, C., J. Bengtson, M. Bester, A.S. Blix, H. Bornemann, P. Boveng and M. Cameron, J. Forcada, J. Laake, E. Nordøy, J. Plötz, T. Rogers, D. Southwell, D. Steinhage, B.S. Stewart and P. Trathan
-
Factors affecting the incidental mortality of seabirds in the Dissostichus eleginoides fishery in the southwest Atlantic (Subarea 48.3, 1995 season)
Paper Title: Factors affecting the incidental mortality of seabirds in the Dissostichus ... eleginoides fishery in the southwest Atlantic (Subarea 48.3, 1995 season) Abstract / Description: This paper ... Patagonian toothfish (Dissostichus eleginoides) in Subarea 48.3 during the 1995 season. The data was obtained ... in vessels' analyses of catch of birds per unit effort (BPUE), as well as of the haul-by-haul ... THE INCIDENTAL MORTALITY OF SEABIRDS IN THE DISSOSTICHUS ELEGlNOlDES FISHERY IN THE SOUTHWEST ... Chilean vessels fishing for Patagonian toothfish (Dissostichus eleginoides) in Subarea 48.3 during the ... hook size were important sources of variation, both in vessels' analyses of catch of birds per unit ... operate in areas close to the Antarctic (Gales, 1993; Brothers, 1991; The decline observed in the ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 79–91 : Autor(es): Moreno, C.A., P.S. Rubilar, E. Marschoff and L. Benzaquen
-
Otolith and body size relationships in bigeye grenadier (Macrourus holotrachys) in CCAMLR Subarea 48.3
Paper Title: Otolith and body size relationships in bigeye grenadier (Macrourus holotrachys) in ... holotrachys) caught as by-catch in the Patagonian toothfi sh (Dissostichus eleginoides) fishery in Subarea ... less accurate estimates of fish length. Seasonal variations in fish mass with reproductive condition ... in such studies should be representative of the size range consumed by predators. File: 09morley ... Science, Vol. 9 (2002): 133–143 133 OTOLITH AND BODY SIZE RELATIONSHIPS IN BIGEYE GRENADIER (MACROURUS ... HOLOTRACHYS) IN CCAMLR SUBAREA 48.3 S. Morley and M. Belchier British Antarctic Survey High Cross ... otoliths from bigeye grenadier (Macrourus holotrachys) caught as by-catch in the Patagonian toothfi sh ... (Dissostichus eleginoides) fi shery in Subarea 48.3 was measured and weighed, and the usefulness of otoliths as ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 133–143 : Autor(es): Morley, S. and M. Belchier
-
Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, South Shetland Islands, after commercial fishing in the area
Paper Title: Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons ... and Notothenia coriiceps at Potter Cove, South Shetland Islands, after commercial fishing in the area ... continued at Potter Cove from 1991 to 1999, and at Harmony Cove, Nelson Island, in the austral summer of ... 1995/96. Still evident is the decline in trammel-net catches of fjord-dwelling Notothenia rossii and ... started at the end of the 1960s. The fishery was developed mainly in offshore waters around South ... CCAMLR Science, Vol. 7 (2000): 43-52 TRENDS IN RELATIVE ... , SOUTH SHETLAND ISLANDS, AFTER COMMERCIAL FISHING IN THE AREA E.R. Barrera-Oro*, E.R. Marschoff and ... , Nelson Island, in the austral summer of 1995/96. Still evident is the decline in trammel-net catches of ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 43–52 : Autor(es): Barrera-Oro, E.R., E.R. Marschoff and R.J. Casaux
-
Defining smaller-scale management units to further develop the ecosystem approach in managing large-scale pelagic krill fisheries in Antarctica
Paper Title: Defining smaller-scale management units to further develop the ecosystem approach in ... managing large-scale pelagic krill fisheries in Antarctica Abstract / Description: This paper discusses ... ecosystem but should be sufficiently independent for fishing in that unit not to inadvertently affect ... predators being monitored in other units. The South Atlantic region (Area 48) is used to illustrate how to ... relatively unimportant in the fi shery. The differentiation between the eastern and western parts of South ... APPROACH IN MANAGING LARGE-SCALE PELAGIC KRILL FISHERIES IN ANTARCTICA A.J. Constable and S. Nicol ... independent for fi shing in that unit not to inadvertently affect predators being monitored in other units ... krill, in other harvesting units. The manner in which predator units can be used to help the CCAMLR ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 117–131 : Autor(es): Constable, A.J. and S. Nicol