Résultats de la recherche
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Foraging partitioning between giant petrels Macronectes spp. and its relationship with breeding population changes at Bird Island, South Georgia
Abstract: We tracked by satellite the foraging trips of males and females of the two sibling ... species of giant petrels, Macronectes halli and M.giganteus, breeding sympatrically at Bird Island (South ... Georgia, Antarctica), during the incubation period (November-December). Size of the activity range as well ... coast. Overall, however, foraging ecology of both species seems very similar. Inter-specific competition ...
Meeting Document : WG-FSA-99/39 : Auteur(s): J. González-Solís, J.P. Croxall and A.G. Wood (United Kingdom)
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DRAFT SOFTWARE USER GUIDE FOR: ICESCAPE: INTEGRATING COUNT EFFORT BY SEASONALLY CORRECTING ANIMAL POPULATION ESTIMATES
(2004) for Antarctic land-breeding predators. The software, which was developed as a suite of routines ... to standardise estimates of breeding populations derived from count data collected under variable ... accessing breeding sites often lead to counts of land-breeding predators being taken at suboptimal times in ... for availability standardises counts to a common reference point of breeding chronology, and is ...
Meeting Document : WG-SAM-09/16 : Auteur(s): J. McKinlay, C. Southwell and R. Trebilco (Australia)
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Reports on abundance and biological information on toothfish in Divisions 58.4.4 a and 58.4.4b by the Shinsei Maru No. 3 in the 2009/10 season
decision in the 28th CCAMLR Meeting of the Commission (28th CCAMLR report paragraph 4.43). This report ... described the results preliminarily during the survey in four SSRUs of Ob Lena Bank. The catch amounted the ... total allowable catch of 60 tonnes in 94 longline sets, which corresponded to 83 % to the total ... the total samples in SSRUs. Mean CPUEs of D. eleginoides for 71 hauls where only Trot line system was ...
Meeting Document : WG-FSA-10/46 : Auteur(s): K. Taki, M. Kiyota and T. Ichii (Japan)
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Preliminary reports on abundance and biological information on toothfish in Divisions 58.4.4a and 58.4.4b by Shinsei Maru No. 3 in the 2009/10 season
decision in the 28th CCAMLR Meeting of the Commission (28th CCAMLR report paragraph 4.43). This report ... described the results preliminarily during the survey in four SSRUs of Ob Lena Bank. The catch amounted the ... total allowable catch of 60 tonnes in 94 longline sets, which corresponded to 83 % to the total ... the total samples in SSRUs. Mean CPUEs of D. eleginoides for 71 hauls where only Trot line system was ...
Meeting Document : WG-SAM-10/14 : Auteur(s): K. Taki, M. Kiyota and T. Ichii (Japan)
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Annual Report from SCAR to CCAMLR
Abstract: This Background Paper reports on the various activities conducted by SCAR that are of ... Programmes (SRPs) of relevance to CCAMLR activities are under development: Antarctic Ecosystems: Adaptations ... , Thresholds and Resilience (AntETR), State of the Antarctic Ecosystem (AntEco) and Antarctic Climate in the ... 21st Century (AntClim21). As the SRP of most direct relevance to CCAMLR, AntEco has a CCAMLR ...
Meeting Document : CCAMLR-XXX/BG/15 : Auteur(s): Submitted by SCAR
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Revised research plan for toothfish in Division 58.4.4 a & b by Shinsei maru No. 3 in 2013/14
Abstract: We revised stock status assessments of D. eleginoides in SSRUs C and D using ... stock sizes of D. eleginoides in SSRU D is estimated only by using CPUE comparison with the stock size ... of a total of 50 tonnes in SSRUs C and D for the 2013/14 as in the 2012/13, thereafter, the phase of ... the survey will be moved from effort limited to catch limited. Author(s): Delegation of Japan Title ...
Meeting Document : WG-FSA-13/36 : Auteur(s): Delegation of Japan
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Revised research plan for the exploratory longline fishery for Dissostichus spp. in 2015/16 in Division 58.4.3a
to progress on the robustness of the CASAL assessment. The biomass in division 58.4.3a was estimated ... during WG-FSA 2014 using the Petersen estimator at 386 tonnes. In the absence of an assessment using the ... CCAMLR decision rules, the re-estimation of the geometric mean of Petersen biomass estimates is used as ... the estimate of biomass for this division in 2015. Given this analysis estimated biomass at 419 tonnes ...
Meeting Document : WG-FSA-15/78 : Auteur(s): A. Rélot-Stirnemann (France)
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CEMP indices: sea ice data
Abstract: The position of the sea ice edge around the Antarctic continent was digitised into ... MAPINFO GIS software from the Joint Ice Centre weekly charts of sea ice distribution. The digitised images ... were then used to calculate the distance of the ice edge from CEMP sites throughout the year. These ... data are used to construct several of the indices associated with CEMP Environmental Monitoring Method ...
Meeting Document : WG-CEMP-93/15 : Auteur(s): Secretariat
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Beach litter accumulation at sub-Antarctic Marion Island – 1998/99
Abstract: As part of an ongoing study on Subantarctic Marion Island, we report on beach litter ... accunmulation for the year May 1998- April 1999. The amount of debris found in both annual and monthly ... and proportion of styrofoam items. Plastic items were most numerous this season, while styrofoam ... effect and high turnover rate, highlights the dangers of single annual surveys. Author(s): Delegation of ...
Meeting Document : CCAMLR-XVIII/BG/22 : Auteur(s): Delegation of South Africa
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Seabird by-catch in the Patagonian toothfish longline fishery at the Prince Edward Islands: 1997–1998
observers aboard all 11 sanctioned fishing trips, representing a fishing effort of 4.3 million hooks. This ... is 13% more than the number of hooks reported set in 1996-97, but total effort probably declined ... during 1997-98 as a result of a decrease in the number of unsanctioned vessels operating in the area ... . Observers reported 498 birds of five species killed. White-chinned Petrels Procellaria aequinoctialis ...
Meeting Document : WG-FSA-98/42 : Auteur(s): P.G. Ryan and M.G. Purves (South Africa)