Search results
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The importance of fish in the diet of the south polar skua Catharacta maccormicki at the South Shetland Islands, Antarctica
., Casaux, R. Title: The importance of fish in the diet of the south polar skua Catharacta maccormicki at ... Abstract: Twenty eight stomach contents of the South Polar Skua Catharacta maccormicki were ... collected throughout the breeding season at Half-moon Island, South Shetland Islands, Antarctica. The ... analysis of the samples indicated that fish were the most frequent prey (100%) and also predominated in ...
Meeting Document : WG-EMM-96/32 : Author(s): Montalti, D., Coria, N., Soave, G., Casaux, R.
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Biology, population dynamics and preliminary assessment of the long-term yield of Macrourus caml by-caught by the Australian fishery at Heard Island and the McDonald Islands (CCAMLR Division 58.5.2)
term sustainable yield of M. caml at HIMI using the Generalised Yield Model. On the basis of this ... long-term yield of Macrourus caml by-caught by the Australian fishery at Heard Island and the McDonald ... Abstract: Grenadiers (Macrourus spp.) are a common by-catch of the Australian fisheries in ... in Division 58.5.2, and likely to one of the most common grenadier by-caught. Sufficient data was ...
Meeting Document : WG-FSA-15/63 : Author(s): J. Dell, D. Maschette, E. Woodcock and D. Welsford (Australia)
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STRONG EFFECTS OF ENVIRONMENTAL CONDITIONS ON REPRODUCTIVE SUCCESS OF PENGUINS AT KING GEORGE ISLAND
ON REPRODUCTIVE SUCCESS OF PENGUINS AT KING GEORGE ISLAND Approval: Approved ... Abstract: Generalized linear and additive models suggest that large proportions of inter-annual ... variability in the reproductive success of Adélie, gentoo, and chinstrap penguins can be explained by simple ... ice extent measured during the winter prior to breeding also appears to be an important predictor of ...
Meeting Document : WG-EMM-09/43 : Author(s): J. Hinke, C. Reiss and W. Trivelpiece (USA)
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PRELIMINARY ESTIMATION OF PENGUIN BREEDING ABUNDANCE AT SPATIAL-SCALES OF RELEVANCE TO CCAMLR: INCORPORATING UNCERTAINTY IN COUNT DATA
workshop, and the underlying basis of new estimation procedures presented to the workshop. At an SSMU level ... . Ramm (CCAMLR Secretariat) Title: PRELIMINARY ESTIMATION OF PENGUIN BREEDING ABUNDANCE AT SPATIAL ... Abstract: One recommendation from the Predator Survey workshop was the undertaking of some ... estimation of SSMU-specific gentoo and Adélie breeding abundance in Area 48, and similar analyses of east ...
Meeting Document : WG-EMM-08/53 : Author(s): H. Lynch, R. Naveen (USA), J. McKinlay, C. Southwell (Australia), P. Trathan (United Kingdom), W. Trivelpiece, S. Trivelpiece (USA) and D. Ramm (CCAMLR Secretariat)
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MaxEnt reconstructions of krill distribution and estimates of krill density from acoustic surveys at South Georgia 1996–2000
Abstract: We present Maximum Entropy (MaxEnt) reconstructions of krill distribution and estimates ... of mean krill density within two survey boxes of dimensions 80 km x 100 km to the north east and ... north west of South Georgia. The reconstructions are generated from acoustic line transect survey data ... gathered in the boxes in austral summers 1996 – 2000. Krill densities had previously been determined at ...
Meeting Document : WG-EMM-02/36 : Author(s): M.H. Wafy, A.S. Brierley, S.F. Gull and J.L. Watkins (United Kingdom)
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A candidate process for managing the krill fishery at a local scale for krill predators, particularly in the early phases of the development of the krill fishery
the krill fishery at a local scale for krill predators, particularly in the early phases of the ... management system can be made operational in the early phases of a fishery in a local area, which can then be ... strength in a given year to determine an adjustment of the long-term annual catch for the area in the ... following year. This decision rule is designed to keep the probabilities of low reproductive performance by ...
Meeting Document : WG-EMM-15/55 Rev. 1 : Author(s): A. Constable, S. Kawaguchi, C. Southwell, L. Emmerson, W. de la Mare, P. Ziegler, D. Welsford and J. Melbourne-Thomas (Australia)
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DISTRIBUTION OF KRILL AT THRESHOLD DENSITIES SUITABLE FOR FISHING IN THE ATLANTIC SECTOR: ANALYSIS OF THE 2000 SYNOPTIC SURVEY DATA
(United Kingdom) Title: DISTRIBUTION OF KRILL AT THRESHOLD DENSITIES SUITABLE FOR FISHING IN THE ATLANTIC ... shelf SSMUs in terms of the frequency of 1nm integration units with krill densities above and below a ... range of threshold values. 2. In general pelagic SSMUs had markedly lower frequencies of fishable ... integration units where the threshold density for fishing was set at 100 gm2 following Kasatkina (2003). 3 ...
Meeting Document : WG-EMM-08/16 : Author(s): S. Hill and D. Agnew (United Kingdom)
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DEVELOPMENT OF A SPATIALLY EXPLICIT AGE-STRUCTURED STATISTICAL CATCH-AT-AGE POPULATION DYNAMICS MODEL FOR MODELLING MOVEMENT OF ANTARCTIC TOOTHFISH IN THE ROSS SEA
AGE-STRUCTURED STATISTICAL CATCH-AT-AGE POPULATION DYNAMICS MODEL FOR MODELLING MOVEMENT OF ANTARCTIC ... Abstract: We present a generalised spatially explicit Bayesian statistical catch-at-age ... a preliminary development version of this model to Antarctic toothfish in the Ross Sea as an age and ... numbers of areas, and is implemented as a discrete time-step state-space model that represents a cohort ...
Meeting Document : WG-SAM-08/14 : Author(s): A. Dunn and S. Rasmussen (New Zealand)
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Analysis of the data at the international exploratory toothfish fishery in the northern part of the Ross Sea (SSRUs 881 B, C and G).
): Delegation of the Russian Federation Title: Analysis of the data at the international exploratory toothfish ... Abstract: Analysis of the data from tooth fish fishery in the northern part of the Ross Sea (SSRU ... 88.1 B, C and G) revealed that the current approach to analyze longline fishery data in the presence of ... fishery in the northern part of the Ross Sea (SSRUs 881 B, C and G). Approval: Approved Secretariat ...
Meeting Document : WG-SAM-16/26 Rev. 1 : Author(s): Delegation of the Russian Federation
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Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia
the particular distribution of tag releases and recapture effort at South Georgia is likely to lead to ... –recapture estimate of toothfish population size at South Georgia Approval: Approved ... Abstract: This paper investigates the influence of mixing of fish, and the uneven distribution of ... linear model of the South Georgia toothfish fishery, simulating fish movements within this system and ...
Meeting Document : WG-FSA-SAM-05/6 Rev. 1 : Author(s): D.J. Agnew, G.P. Kirkwood, J. Pearce and J. Clark (United Kingdom)