Résultats de la recherche
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Analysis of albatross and petrel distribution within the CCAMLR Convention Area: results from the Global Procellariiform Tracking Database
Paper Title: Analysis of albatross and petrel distribution within the CCAMLR Convention Area ... , unreported and unregulated (IUU) fishing. This paper presents an analysis of the distribution of albatrosses ... successful measures to reduce the incidental mortality of seabirds in most of the fisheries within its ... jurisdiction, and has done so through area-specific risk assessments linked to mandatory use of measures to ... ) fishing. This paper presents an analysis of the distribution of albatrosses and petrels in the CCAMLR ... International, 2004b). The contributors of the data used in the analyses for this paper are listed in the ... Convention Area. This paper is the product of such an analysis, with the benefit of new data that have been ... distribution of adults during the non-breeding period. For this reason, this paper restricts itself ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 143–174 : Auteur(s): BirdLife International (prepared by C. Small and F. Taylor)
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Distribution, morphology and ecology of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) in the Ross Sea region
Paper Title: Distribution, morphology and ecology of Macrourus whitsoni and M. caml (Gadiformes ... identification of a new species of Southern Ocean grenadier, Macrourus caml, which had hitherto been identified ... as M. whitsoni. The first comparison of the distribution and ecology of the two species of Macrourus ... in the Ross Sea region is presented. The number of rays in the left pelvic fin and number of rows of ... stomachs, its wet mass recorded to the nearest 0.01 g after removal of surface water by blotting paper. A ... Fishing for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region of the Southern Ocean ... minimise the effect of fishing on associated species and the overall ecosystem. Grenadiers (Gadiformes ... of 10 tonnes reported in 1998 which increased to 480 tonnes in 2005 (Hanchet et al., 2008a ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 37–61 : Auteur(s): Pinkerton, M.H., P. McMillan, J. Forman, P. Marriott, P. Horn, S. Bury and J. Brown
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The utilization of seabird censuses for krill monitoring
Paper Title: The utilization of seabird censuses for krill monitoring Abstract / Description ... : The possibility of using bird observations made at sea as a means of monitoring krill in the Antarctic ... Ocean is explored. No variation source directly linked with krill was identified by means of ... correspondence analysis. Contour plotting, profile analysis and tests for equality of covariance matrices proved ... present paper is the result of exploring the possibility of using bird observations made at sea, for the ... analysis of other factors not included in the present paper because of the insufficient number of ... - 393 - THE UTILIZATION OF SEABIRD CENSUSES FOR KRILL ... possibility of using bird observations made at sea as a means of monitoring krill in the Antarctic ocean is ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 393-425 : Auteur(s): Marschoff, E.R., J.G. Visbeek and L.R. Fontana
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Patterns and processes in the distribution and dynamics of Antarctic krill
Paper Title: Patterns and processes in the distribution and dynamics of Antarctic krill Abstract ... / Description: A general framework is presented to develop, test and integrate component models of the ... distribution and dynamics of Antarctic krill population at various spatial and temporal scales. We suggest that ... models of increasing complexity be developed iteratively for variability and patchiness of krill ... Kohkichi KAWASAKI. 1988. Acoustic data analysis and models of krill spatial distribution. Background paper ... DISTRIBUTION AND DYNAMICS OF ANTARCTIC KRILL S.A. Levin, A. Morin and T.M. Powell Abstract A general ... framework is presented to develop, test and integrate component models of the distribution and dynamics of ... Antarctic krill population at various spatial and temporal scales. We suggest that models of increasing ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 281–299 : Auteur(s): Levin, S.A., A. Morin and T.M. Powell
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Guidelines for the preparation of hydroacoustic survey reports on krill
Paper Title: Guidelines for the preparation of hydroacoustic survey reports on krill Abstract ... / Description: The proposed guidelines provide an opportunity to perform comparative analyses and checks of ... results obtained during echometric surveys of fish and krill, and to establish a data bank of these ... surveys. The unification of echometric survey data is aimed at increasing the effectiveness of research on ... PREPARATION OF HYDROACOUSTIC SURVEY REPORTS ON KRILL I.L.Kalikhman (U.S.S.R.) Abstract The proposed ... guidelines provide an opportunity to perform comparative analyses and checks of results obtained during ... echometric surveys of fish and krill, and to establish a data bank of these surveys. The unification of ... echometric survey data is aimed at increasing the effectiveness of research on the· quantitative assessment ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 165-193 : Auteur(s): Kalikhman, I.L.
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Selectivity of standard Polish commercial trawl codends on Antarctic fishing grounds
Paper Title: Selectivity of standard Polish commercial trawl codends on Antarctic fishing grounds ... Abstract / Description: Selectivity studies were carried out for two types of steelon codends used in ... commercial fishery, with a nominal mesh size A = 80 mm and A = 100 mm, made of double twines with a thickness ... of 4.2 mm. The studies covered 6 major fish species. It appears from the study that Antarctic icefish ... SC-CAMLR-VII/8G/11 SELECTIVITY OF STANDARD POLISH ... carried out for two types of steelon codends used in commercial fishery, with a nominal mesh size A = 80 ... mm and A = 100 mm, made of double twines with a thickness of 4.2 mm. The studies covered 6 major ... subject to selection during trawling, although the effectiveness of this process - especially in the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 107-142 : Auteur(s): Zaucha, J.
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Acoustic data analysis and models of krill spatial distribution
Paper Title: Acoustic data analysis and models of krill spatial distribution Abstract ... descriptors of krill spatial aggregation: power spectra for krill biomass fluctuations in space, semivariogram ... (spatial autocorrelation of krill biomass) and the frequency distribution of krill biomass estimate. The ... wavenumber spectrum resembles a white noise at scales of 2-20 km, although at scales smaller than 1 km the ... OF KRILL SPATIAL DISTRIBUTION A. Morin, A. Okubo and K. Kawasaki Abstract Acoustic data ... obtained on 4-5 January 1987 aboard the RN ProfesSor Siedlecki were used in three descriptors of krill ... autocorrelation of krill biomass) and the frequency distribution of krill biomass estimate. The wavenumber ... spectrum resembles a white noise at scales of 2-20 km, although at scales smaller than 1 .km the spectrum ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 311–329 : Auteur(s): Morin, A., A. Okubo and K. Kawasaki
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Results of fish stock assessment survey, South Georgia region, November - December 1986
Paper Title: Results of fish stock assessment survey, South Georgia region, November- December ... 1986 Abstract / Description: Biomasses and length compositions of eight stocks from South Georgia are ... described based on results of a stratified random bottom trawl survey. A total of 124 tows were undertaken ... . Biomass was estimated based on stratified swept-area calculations. Estimates of biomass of Notothenia ... future involvement and contribution. - 146 - The objective of this paper is to evaluate the current ... - 143 - SC-CAMLR-VI/BG/12 Rev.1 RESULTS OF FISH STOCK ... Biomasses and length compositions of eight stocks from South Georgia are described based on results of a ... stratified random bottom trawl survey. A total of 124 tows was undertaken between 29 November and 17 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 143-183 : Auteur(s): Gabriel, W.L.
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Estimation of natural mortality using catch-at-age and aged mark-recapture data: a multi-cohort simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation.
Paper Title: Estimation of natural mortality using catch-at-age and aged mark-recapture data: a ... , using multiple cohorts and multiple years of catch-at-age and aged mark-recapture data was tested using ... simulation. Alternative fishing selectivity functions of age of dome-shaped versus sigmoidally shaped were ... number of recaptures-at-age and model the population numbersat- age by annual difference equations ... Science, Vol. 18 (2011): 1–27 Estimation of natural mortality using CatCh-at-agE and agEd mark ... Equations vErsus a nEw mortality Equation S.G. Candy Australian Antarctic Division Department of ... multiple cohorts and multiple years of catch-at-age and aged mark-recapture data was tested using ... simulation. Alternative fishing selectivity functions of age of dome-shaped versus sigmoidally shaped were ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 1–27 : Auteur(s): Candy, S.G.
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Can toothfish catches be used to predict the presence of vulnerable benthic invertebrate taxa?
Paper Title: Can toothfish catches be used to predict the presence of vulnerable benthic ... invertebrate taxa? Abstract / Description: Accurate estimation of the impact of bottom fishing on vulnerable ... marine ecosystems (VMEs) requires knowledge of the distribution of those communities relative to the ... locations. This study used the catch of the six most common vulnerable invertebrate taxa reported by ... also provided helpful discussions on this paper. The paper was also improved by the comments of two ... CCAMLR is charged with assessing the poten- tial impact of fishing activities on vulnerable marine ... ecosystems (VMEs) within the Convention Area (CCAMLR, 2007; UNGA, 2007). However, the distributions of ... describing the dis- tribution of VME indicator taxa1 in the Ross Sea region outside the spatial footprint of ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 87–96 : Auteur(s): Parker, S.J. and M.H. Smith