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Preliminary study on nesting Adélie penguins disturbance by unmanned aerial vehicles
observation periods were compared. No differences were found between the control group and overflights by ... Paper Title: Preliminary study on nesting Adélie penguins disturbance by unmanned aerial vehicles ... potential effects of wildlife disturbance by fixed-wing UAVs are investigated. In austral summer 2014/15 ... on each type of behaviour and number of different types of behaviour displayed by one bird during the ... were compared. No differences were found between the control group and overflights by electric UAVs ... Science, Vol. 23 (2016): 1–16 1 Preliminary study on nesting Adélie penguins disturbance by unmanned ... wildlife disturbance by fixed-wing UAVs are investigated. In austral summer 2014/15, UAV overflights were ... behaviour and number of different types of behaviour displayed by one bird during the observation periods ...
Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 1–16 : Autor(es): Korczak-Abshire, M., A. Kidawa, A. Zmarz, R. Storvold, S.R. Karlsen, M. Rodzewicz, K. Chwedorzewska and A. Znój
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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 ... 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 ... per day. In May to June, N. larseni juveniles were represented by fingerlings (mean length of 42.4 to ... CCAMLR Science. Vol. 1: 129-142 BY-CATCH, GROWTH AND ... 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 ... juveniles were represented by fingerlings (mean length of 42.4 to 47.4 mm) and yearlings (72.5 to 73.7 mm ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 129–142 : Autor(es): Pakhomov, E.A. and S.A. Pankratov
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Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia
Paper Title: Estimating the impact of depredation by killer whales and sperm whales on longline ... caused by killer whales (Orcinus orca) and sperm whales (Physeter macrocephalus) around South Georgia ... toothfish, usually depressing CPUE by about 50%. Sperm whales occur in smaller pod sizes, normally between 1 ... and 4 animals, and have a relatively lower impact on catches, depressing CPUE by up to 20%. Sperm ... Estimating thE impact of dEprEdation by killEr whalEs and spErm whalEs on longlinE fishing for toothfish ... longliners between 2003 and 2009 were analysed to look at the levels of depredation caused by killer whales ... CPUE by about 50%. Sperm whales occur in smaller pod sizes, normally between 1 and 4 animals, and have ... a relatively lower impact on catches, depressing CPUE by up to 20%. Sperm whales have been more ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 163–178 : Autor(es): Moir Clark, J. and D.J. Agnew
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By-catch of fish in longline catches off the Kerguelen Islands (Division 58.5.1) during the 1995/96 season
Paper Title: By-catch of fish in longline catches off the Kerguelen Islands (Division 58.5.1 ... ) during the 1995/96 season Abstract / Description: By-catches of fish taken during a commercial fishing ... geographical distributions of the most common by-catch species. The size of some by-catch species shows that ... . irrasa and the morid Antimora rostrata were dominant. The others were mainly shelf-dwelling species found ... BY-CATCH OF FISH IN LONGLINE CATCHES OFF THE KERGUELEN ISLANDS (DIVISION 58.5.1) DURING THE 1995196 ... d'ichtyologie generale et appliquee 43 rue Cuvier, 75231 Paris Cedex 05, France Abstract By-catches of fish ... index was used to show bathymetric and geographical distributions of the most common by-catch species ... . The size of some by-catch species shows that they could be of interest commercially if longline ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 175–193 : Autor(es): Duhamel, G., P. Pruvost and D. Capdeville
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The choice of procedure for deciding when to close fisheries regulated by CCAMLR: a simulation model
Paper Title: The choice of procedure for deciding when to close fisheries regulated by CCAMLR: a ... deciding the closure date for fisheries monitored by the Secretariat of CCAMLR, have been difficult to ... implement because of the variation in catch rates shown by the fisheries. Non-fluctuating random and ... is received by the Secretariat. The probability of large over-shoots of the TAC is reduced if ... were greater than the T AC in 1990 by 1 % and the method was found to be unworkable in 1991. In this ... TO CLOSE FISHERIES REGULATED BY CCAMLR: A SIMULATION MODEL DJ. Agnew* Abstract The methods ... , described in CCAMLR Conservation Measures, used for deciding the closure date for fisheries monitored by ... shown by the fisheries. Non-fluctuating random and fluctuating random catch histories are simulated and ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 81–97 : Autor(es): Agnew, D.J.
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Size and density of krill layers fished by a Japanese trawler in the waters north of Livingston Island in January 1988
Paper Title: Size and density of krill layers fished by a Japanese trawler in the waters north of ... the northern waters of Livingston Island were determined during the co-operative survey carried out by ... were 3.25 km, 13.3 m and 228.0 g wet weight/m 2, respectively. The krill layers fished by the trawler ... ones found by research vessels. Towed length and thickness of layers were underestimated because the ... BY A JAPANESE TRAWLER IN THE WATERS NORTH OF L1VINGSTON ISLAND IN JANUARY 1988 Y. Endo and Y ... Island were determined during the co-operative survey carried out by RV Kaiyo Maru and a Japanese ... wet weightlm2, respectively. The krill layers fished by the trawler during the co-operative survey ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 339–345 : Autor(es): Endo, Y. and Y. Shimadzu
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By-catch of fish in the krill fishery
Paper Title: By-catch of fish in the krill fishery Abstract / Description: Observations are ... reported of icefish being taken as by-catch during krill fishing operations from a research vessel. The ... results indicate that the by-catch of fish in the commercial krill fishery may be significant in some ... taken as by-catch during krill fishing operations from a research vessel. The results indicate that the ... by-catch of fish in the commercial krill fishery may be significant in some areas of the South ... netting. The fishery operates by aimed tows at krill swarms which have been located using echosounders ... . Recently concern has been expressed that the fishery may be taking a significant by-catch of fish with the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 381–401 : Autor(es): Everson, I., A. Neyelov and Y.B. Permitin
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Integrating Count Effort by Seasonally Correcting Animal Population Estimates (ICESCAPE): a method for estimating abundance and its uncertainty from count data using Adélie penguins as a case study
Paper Title: Integrating Count Effort by Seasonally Correcting Animal Population Estimates ... function of sampling availability. ICESCAPE (Integrating Count Effort by Seasonally Correcting Animal ... final adjusted estimates. Adjustment for availability bias is achieved by applying an adjustment factor ... -specific estimates to be aggregated to achieve region-scale population estimates. By way of illustration ... IntegratIng Count effort by SeaSonally CorreCtIng anImal PoPulatIon eStImateS (ICeSCaPe): a method for ... function of sampling availability. ICESCAPE (Integrating Count Effort by Seasonally Correcting Animal ... through to the final adjusted estimates. Adjustment for availability bias is achieved by applying an ... -specific estimates to be aggregated to achieve region-scale population estimates. By way of illustration ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 213–227 : Autor(es): McKinlay, J., C. Southwell and R. Trebilco
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Methodological guidelines on the assessment of trawl catchability of krill by means of statistical modelling
Paper Title: Methodological guidelines on the assessment of trawl catchability of krill by means ... the relative effectiveness of krill fishing gear by means of statistical modelling. The Monte-Carlo ... method, which is described in the works by Metropolis, N., Ulam, S. (1949) and Sobol, I.M. (1978), is ... for the process of entrapment of krill by the net; this permits the rigorous mathematical formulation ... THE ASSESSMENT OF TRAWL CATCHABILITY OF KRILL BY MEANS OF STATISTICAL MODELLING Z.I.Kizner (U. S ... of krill fishing gear by means of statistical modelling. The Monte-Carlo method, which is described ... in the works by Metropolis, N., Ulam, S. (1949) and Sobol, I. M. (1978), is used as a basis. The ... process of entrapment of krill by the net; this permits the rigorous mathematical formulation of the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 195-222 : Autor(es): Kizner, Z.I.
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Analysis of results from demersal fish surveys at South Georgia, undertaken by the United Kingdom and the USSR, January and February 1990
Paper Title: Analysis of results from demersal fish surveys at South Georgia, undertaken by the ... in February 1990 around South Georgia. Both surveys were characterized by large numbers of small ... these large hauls were considered in the analysis. No ideal method was found for incorporating the large ... SURVEYS AT SOUTH GEORGIA, UNDERTAKEN BY THE UNITED KINGDOM AND THE USSR, JANUARY AND FEBRUARY 1990 ... February 1990 around South Georgia. Both surveys were characterized by large numbers of small hauls ... provided by Irina Kirillova and Alan Parfitt. The Convener welcomed participants and outlined the ... . DESCRIPTION OF SURVEYS Both surveys had been undertaken in accordance with the design submitted by Dr ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 223–254 : Autor(es): (Report of a Joint UK/USSR Workshop, 23 to 27 July 1990)