Résultats de la recherche
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Progress report of the CEMP Special Fund project to develop an image processing software tool for analysis of camera network monitoring data
Abstract: We provide a brief update on the progress of our CEMP Special Fund project ‘Developing ... initiated with support from the CEMP Fund in 2015/16. A software programmer has been engaged and is ... community. We expect to complete a package of software and post-processing code by early 2018. Author(s): C ...
Meeting Document : WG-EMM-17/10 : Auteur(s): C. Southwell, L. Emmerson, K. Newbery, J. Hinke, G. Watters, M. Santos, G. Milinevsky, M. Korczak-Abshire, N. Ratcliffe and P. Trathan
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Enhancing CCAMLR performance
Abstract: CCAMLR has a history of leadership in conservation and management, yet the outcomes of ... proposals and discussions on the issues. Key actions for CCAMLR from ASOC’s perspective are to create a ... measures in the krill fishery, and to support the implementation of a climate change response work plan ...
Meeting Document : CCAMLR-XXXVI/BG/28 : Auteur(s): Submitted by ASOC
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Update on software development for analysing nest camera images through the CEMP Special Fund
Abstract: We provide a brief update on the software developed for assessing nest camera images ... project for completion towards the end of 2018. Author(s): C. Southwell, H. Achurch, J. Cusick, A. Lashko ... , K. Newbery, A. Sikka and L. Emmerson Title: Update on software development for analysing nest ...
Meeting Document : WG-EMM-18/28 : Auteur(s): C. Southwell, H. Achurch, J. Cusick, A. Lashko, K. Newbery, A. Sikka and L. Emmerson
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Progress update on Antarctic toothfish inter-connectivity project
Abstract: Here we provide a progress update on the Antarctic toothfish genetic connectivity ... project (WS-DmPH-18/08). A total of 4237 tissue samples have been made available for this project from ... ): D. Maschette, A. Polanowsk, B. Deagle, D.C. Welsford and P. Ziegler Title: Progress update on ...
Meeting Document : WG-FSA-18/64 : Auteur(s): D. Maschette, A. Polanowsk, B. Deagle, D.C. Welsford and P. Ziegler
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Comparison of estimators of effective sample size for catch-at-age and catch-at-length data using simulated data from the Dirichlet-multinomial Distribution
a multinomial likelihood when there is extra-multinomial heterogeneity in age class or length class ... (D-M) distribution with marginal class probabilities generated using a simple age-structured model ... , including a method based on a conditional profile maximum likelihood estimate of the D-M dispersion ... incorporates process error in addition to haul-level heterogeneity while giving a marginal variance ...
Meeting Document : WG-SAM-07/7 : Auteur(s): S.G. Candy (Australia)
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Seasonal and interannual variability of krill, salp and other zooplankton populations in the northwest Antarctic Peninsula region: summer 2001 in relation to the Long-Term AMLR Data Set
Island region during 18-30 January 2001 (Survey A, 101 stations) and 12 February-12 March 2001 (Survey D ... , 96 stations). Krill, salps and other zooplankton were collected at each station using a 180 cm Isaacs ... February-March reflected normal seasonal spawning in 2000/2001. This is the third year in a row that ... stage indicated a curtailed production season. A dramatic 60% abundance decrease between the two surveys ...
Meeting Document : WG-EMM-01/45 : Auteur(s): V. Loeb (USA)
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COMPARISON OF THE PRECISION OF DIRECT VERSUS AGE LENGTH KEY METHODS OF ESTIMATING CATCH-AT-AGE PROPORTIONS
Abstract: Catch-at-age proportions can be estimated directly using a simple random sample (SRS ... to the SRS of ages, which have also been measured for length (the age-length sample), a large SRS ... otoliths removed until a fixed number of fish in each length bin have been obtained and further sampling ... age-length sample compared to a SRS scheme. Formulae for the precision of the estimates of proportion ...
Meeting Document : WG-FSA-09/22 Rev. 1 : Auteur(s): S.G. Candy (Australia)
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Estimating nest-level phenology and reproductive success of colonial seabirds using time-lapse cameras
. 2. We describe a method to estimate nest-level breeding phenology and reproductive success of ... and is estimated by fitting a smoothing spline to daily nest attendance data, identifying candidate ... . The method was validated with concurrent direct observations for each species and then applied to a ... and direct observations. Estimates of reproductive success were identical. Applying the method to a ...
Meeting Document : WG-EMM-18/P01 : Auteur(s): J.T. Hinke, A. Barbosa, L.M. Emmerson, T. Hart, M.A Juáres, M. Korczak-Abshire, G. Milinevsky, M. Santos, P.N. Trathan, G.M. Watters and C. Southwell
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SC-CAMLR work on Climate Change (Paper XP19 to CEP–SC-CAMLR Workshop 2016)
, in a timely manner, the ‘best scientific evidence available’ on three issues Risks of climate change ... the agenda of SC-CAMLR in 2008. A constant theme since then has been to develop a risk assessment ... developing a ‘state of environment’ report. Most work in SC-CAMLR has been within the Working Group on ... change on Antarctic krill and its habitats, along with a proposal to manage ocean areas adjacent to the ...
Meeting Document : WG-EMM-16/71 : Auteur(s): A. Constable
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RECENT POPULATION ESTIMATES AND TRENDS IN NUMBERS OF ALBATROSSES AND GIANT PETRELS BREEDING AT THE SUB-ANTARCTIC PRINCE EDWARD ISLANDS
Edward Island, mirroring a decrease of roughly 2% per year at Marion Island from 1998 to 2005, a decline ... Prince Edward Island in 2008, possibly as a result of better coverage compared to 2001. Dark-mantled ... a negative trend from the early 1980s, whereas lightmantled sooty albatrosses P. palpebrata have ...
Meeting Document : WG-EMM-10/P4 : Auteur(s): P.G. Ryan, M.G.W. Jones, B.M. Dyer, L. Upfold and R.J.M. Crawford