Resultados de la búsqueda
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Line weights of constant mass (and sink rates) for Spanish system Patagonian toothfish longline vessels
Paper Title: Line weights of constant mass (and sink rates) for Spanish system Patagonian ... with seabirds. The weights typically used are collections of rocks enclosed in netting bags. During ... become progressively lighter, requiring ongoing repair. This problem can be solved by use of ... relationship between the sink rates of longlines equipped with bags of rocks (4, 6 and 8 kg) and those with ... modified version of the former method to avoid fish loss by toothed whales) were tested in the experiment ... Fuego is a 53.6 m Japanese-built (1972) tuna vessel con- verted to the Spanish system of fishing. In ... compared to loss of rocks from the bags. Each 8.5 kg weight typically comprises sev- eral rocks of ... WEIGHTS OF CONSTANT MASS (AND SINK RATES) FOR SPANISH-SYSTEM PATAGONIAN TOOTHFISH LONGLINE VESSELS G ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 93–106 : Autor(es): Robertson, G., C.A. Moreno, E. Gutiérrez, S.G. Candy, E.F. Melvin and J.P. Seco Pon
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Fitting Euphausia superba into Southern Ocean food-web models: a review of data sources and their limitations
Paper Title: Fitting Euphausia superba into Southern Ocean food-web models: a review of data ... include krill in food-web models and to guide modellers to key sources of data. It describes the strengths ... of each method of sampling krill, i.e. with nets (for historical time series, demographic information ... . Temporally, the intense (order of magnitude) interannual variability in krill population size within the ... aspects of krill biology have been reviewed (e.g. Marr, 1962; Miller and Hampton, 1989; Quetin et al ... et al., 2010). Analy- ses of large-scale composites of net data (e.g. Marr, 1962; Mackintosh, 1973 ... the southwest (SW) Atlan- tic sector with 75% of the population in the 0–90°W sector (Marr, 1962 ... to be two ‘populations’ of krill, one in the ACC and another in the East Wind Drift, much closer to ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 219–245 : Autor(es): A. Atkinson, S. Nicol, S. Kawaguchi, E. Pakhomov, L. Quetin, R. Ross, S. Hill, C. Reiss, V. Siegel, G. Tarling (submitted to the 2008 Joint CCAMLR-IWC Workshop)
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Distribution and relative abundance of Antarctic toothfish (Dissostichus mawsoni) on the Ross Sea shelf
Paper Title: Distribution and relative abundance of Antarctic toothfish (Dissostichus mawsoni) on ... the Ross Sea shelf Abstract / Description: This paper summarises knowledge of the distribution and ... relative abundance of Antarctic toothfish (Dissostichus mawsoni) on the Ross Sea shelf (defined here as the ... continental shelf out to the edge of the shelf break at about 600–800 m depth). The focus is on D. mawsoni ... word ‘season’ refers to the period from December to May, the months of fish- ing in the middle of the ... the area of deep water immediately to the north and east of Ross Island and adjacent to the Ross Ice ... DISTRIBUTION AND RELATIVE ABUNDANCE OF ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) ON THE ROSS SEA SHELF S.M ... . Hanchet National Institute of Water and Atmospheric Research (NIWA) Ltd PO Box 893 Nelson, New ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 33–51 : Autor(es): Hanchet, S.M., S. Mormede and A. Dunn
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Interaction of marine mammals with the longline fishery around the Kerguelen Islands (Division 58.5.1) during the 1995/96 cruise
). These seals are responsible for the loss of 0.75 % of toothfish during the longline sets in which ... Paper Title: Interaction of marine mammals with the longline fishery around the Kerguelen Islands ... longliners fishing for Patagonian toothfish (Dissostichus eleginoides) to the west of the Kerguelen Islands ... interaction occurred, as against 2.2 % of fish lost from the hooks during line hauling. File ... occurred with the Antarctic fur seal (Auctocephalus gazella). These seals are responsible for the loss of ... INTERACTION OF MARINE MAMMALS WITH THE LONGLINE FISHERY AROUND THE KERGUELEN ISLANDS (DIVISION 58.5.1 ... (Dissosfichus eleginoides) to the west of the Kerguelen Islands during the 1995/96 cruise and marine mammals ... 0.75 % of toothfish during the longline sets in which interaction occurred, as against 2.2 % of fish ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 171–174 : Autor(es): Capdeville, D
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Marine mammals and demersal longline fishery interactions in Crozet and Kerguelen Exclusive Economic Zones: an assessment of depredation levels
Exclusive Economic Zones: an assessment of depredation levels Abstract / Description: Interactions between ... whales. These two species, alone or in co-occurrence with each other, were observed in 71% of the 1 308 ... two species, alone or in co-occurrence with each other, were observed in 54% of the 6 262 longlines ... monitored. Interactions were observed in all fishing areas. The effect of depredation was assessed by ... 11 to 19) (Figures 1a and 1b). In this paper, depredation is defi ned as the loss of longline ... presence of killer whales and sperm whales resulted in a mean loss of fi sh of 22 ± 21%, 12 ± 27% and 42 ... . This cor- responds to a loss of one-third (333 tonnes) of the total declared catch (991 tonnes) due to ... rst time that the loss of Patagonian toothfi sh due to sperm whales and killer whales has been ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 67–82 : Autor(es): Roche, C., C. Guinet, N. Gasco and G. Duhamel
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The foraging range of Adélie penguins – implications for CEMP and interactions with the krill fishery
Paper Title: The foraging range of Adélie penguins – implications for CEMP and interactions with ... the krill fishery Abstract / Description: This paper presents a summary of the foraging locations of ... coast of eastern Antarctica between 55 o E (Enderby Land) and 175 o E (Ross Sea). Adélie penguins ... , Euphausia superba. Locations of penguins on foraging trips were compared with historical records of fine ... 30 km) between 1972 and 1994. They are taken as indicating the consistent presence of harvestable ... Monolith, to the east of Mawson, birds tended to move in a northeasterly direction, but once out near the ... either side of Edmonson Point extends north-south and the Adelie penguins there must forage to the east ... of the colony. This contrasts with all other sites where the coast runs east-west. The continental ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 75–87 : Autor(es): Kerry, K.R., J.R. Clarke, S. Eberhard, H. Gardner, R.M. Lawless, S. Corsolini, S. Focardi, E. Franchi, D. Rodary and R. Thomson
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Movement and growth of tagged Dissostichus eleginoides around South Georgia and Shag Rocks (Subarea 48.3)
Paper Title: Movement and growth of tagged Dissostichus eleginoides around South Georgia and Shag ... (Dissostichus eleginoides) tagging program to investigate the spatial and temporal movement of fish and to ... date of injection and release. To date, 51 fish have been recaptured, mostly around Shag Rocks where ... there is greatest fishing activity. Most of the fish recaptured to date were tagged and released during ... tagged and released by observers around the northwest, north and east of Shag Rocks as well as west ... , north and east of South Georgia (Table 1). On board the same vessel, a further 44 toothfi sh were ... tagged in January 2001 east of Shag Rocks where most fi sh were deemed too small for processing and ... . Disadvantages Long delay from tagging to recruitment of fish into fishery increases potential for tag loss ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 101–111 : Autor(es): Marlow, T.R., D.J. Agnew, M.G. Purves and I. Everson
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Reproductive performance of seabirds and seals at South Georgia and Signy Island, South Orkney Islands, 1976-1987: implications for Southern Ocean monitoring studies
some or all of breeding population size, breeding success, foraging trip duration and offspring growth ... Paper Title: Reproductive performance of seabirds and seals at South Georgia and Signy Island ... / Description: Aspects of the reproductive performance over the last decade of black-browed, grey-headed and ... reviewed. Breeding success of the wandering albatross, which breeds in winter and eats fish and squid, has ... success, foraging trip duration and offspring growth rate. 1977-78 and 1983-84 were summers of ... ) REPRODUCTIVE PERFORMANCE OF SEABIRDS AND SEALS AT SOUTH GEORGIA AND SIGNY ISLAND, SOUTH ORKNEY ISLANDS, 1976 ... and P. Rotheryl (United Kingdom) Abstract Aspects of the reproductive performance over the last ... decade of Black-browed, Grey-headed and Wandering Albatrosses, Gentoo and Macaroni Penguins and ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 445-447 : Autor(es): Croxall, J.P., T.S. McCann, P.A. Prince and P. Rothery
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The foraging range of Adélie penguins at Béchervaise Island, Mac. Robertson Land, Antarctica, and its overlap with the krill fishery
Paper Title: The foraging range of Adélie penguins at Béchervaise Island, Mac. Robertson Land ... , Antarctica, and its overlap with the krill fishery Abstract / Description: The foraging ranges of six female ... point. Birds feeding chicks also made journeys of one to two days ranging up to 12 km after 17 January ... when the sea became ice free to the coast. Concentrations of krill, Euphausia superba, which have in ... the bird using a VelcroTM patch and cable ties which were glued to the middle of the bird's back; the ... Table 1: Details of each foraging trip by Ad€lie penguins as determined by satellite tracking. The ... 67.0° long foraging trip after travelled north of continental shelf flrst incubation shift before PIT ... WG-CEMP-92/36 THE FORAGING RANGE OF ADELIE PENGUINS AT ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 337–344 : Autor(es): Kerry, K.R., J.R. Clarke and G.D. Else
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Sensitivity analysis for parameters of predatory species CCAMLR Ecosystem Monitoring Program
Paper Title: Sensitivity analysis for parameters of predatory species CCAMLR Ecosystem Monitoring ... Program Abstract / Description: Following the request of the Scientific Committee of CCAMLR to conduct ... such a treatment of data obtained at the Magnetic Island Adélie penguin colony in Prydz Bay in the 1987 ... arrival at breeding colonies; duration of first incubation shift; duration of adult foraging trips ... the foraging trip of the incubating bird's partner. The CEMP Standard Methods Sheets (CCAMLR, 1988 ... female of 26 pairs, and male only at an additional 31 nests, at the Turner colony. At the East colony ... considered sensitive to the availability of food during the foraging trip. The CCAMLR Standard Methods ... sites were visited daily and the attendance of either adult of the pair recorded. Foraging trip length ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 411–432 : Autor(es): Whitehead, M.D.