Результаты поиска

1. UPDATED PRELIMINARY RESULTS OF AN ECOLOGICAL RISK ASSESSMENT FOR SEABIRDS AND MARINE MAMMALS WITH RISK OF FISHERIES INTERACTIONS

   Abstract:  We examined a methodology for assessing potential risk of interactions between ... fisheries and species of special interest (seabirds and marine mammals) by applying a Productivity ... -Susceptibility Analysis to a data set of species distribution, biological information and fishing effort. This ... type of Level Two Ecological Risk Assessment (ERA) has been used across fishery management regimes to ...

   Meeting Document : WG-FSA-08/51 : Автор(ы): S. Waugh, D. Filippi, N. Walker (New Zealand) and D.S. Kirby

2. Analysis of krill fishery operations in Subarea 48.1: spatial-time distribution of CPUE and fishing efforts

   values of standardized CPUE indices in the Subarea 48.1 for the last 25 years. We continue to investigate ... krill fishery data for understanding reasons of this ‘high CPUE’ regime. The authors present the ... analysis of spatial- temporal variability of krill fishery based on CPUE trends, trawling duration, catch ... the changes in fishing methods but is result of the influence of changing environment. Impact of ...

   Meeting Document : WG-EMM-14/21 : Автор(ы): S. Kasatkina and P. Gasyukov (Russia)

3. The reliability of VHF telemetry data for measuring attendance patterns of marine predators: a comparison with Time Depth Recorder data

   patterns of otariid seals. These data have been used in a wide variety of ways, from characterizing the ... reproductive and foraging ecology of these species to inferring ecosystem changes based on variation in ... attendance patterns. Yet the accuracy of VHF data has never been appropriately evaluated. Our study compares ... -collected Time-and-Depth Recorder (TDR) data used as the ‘true’ measurement of time spent onshore. Within ...

   Meeting Document : WG-EMM-15/P05 : Автор(ы): A.D. Lowther, H. Ahonen, G. Hofmeyr, W.C. Oosthuizen, P.J. Nico De Bruyn, C. Lydersen and K. Kovacs

4. Spatio–temporal dynamics of Antarctic krill fishery: identification of fishing hotspots

   of the greatest fishery in Antarctic waters. Management of the fishery is based on a precautionary ... and temporal pattern of the fishery is only described in meso to macro scales (>>10 4 km 2 ... ). Here we present a novel analysis to identified fishing grounds, using statistical analysis of hotspots ... , in this case, fishing hotspots (FH), combined with a temporal analysis to assess persistence of these ...

   Meeting Document : WG-EMM-16/52 : Автор(ы): F. Santa Cruz, B. Ernst and J.A. Arata

5. The effect of abiotic factors on the reproduction of seabirds on the Argentine Islands

   the Ukrainian Antarctic station "Academik Vernadsky". The most numerous breeding colony of ... among the newborn penguins on the Galindez Is caused by starvation. The number of residential nests ... decreased almost three times. Underwater surveys conducted by us in this period in the area of Galindez Is ...   witness about the presence of large amount of krill, which wasn’t available for all the species of sea ...

   Meeting Document : WG-EMM-16/59 : Автор(ы): І.V. Dykyy

6. Results of 2016 pop-off satellite archival tagging of Antarctic toothfish in the Ross Sea region

   southern shelf (SSRUs 88.1M,J,L) and northern seamount (SSRUs 88.1B,C) areas of the Ross Sea region. The ... available types of PSAT tags, and to develop methods to support research and monitoring of the Ross Sea ... region Marine Protected Area. All fish were tagged as part of research longline efforts under CM 24-01 ... after the 2015/16 toothfish fishing season had ended. A total of 10 PSAT tags from two manufacturers ...

   Meeting Document : WG-SAM-17/33 : Автор(ы): C.D. Jones and S.J. Parker

7. ASSESSMENT OF SPATIAL-TEMPORAL DYNAMICS OF STANDARDIZED CPUE FOR KRILL FISHERY IN THE AREA 48

   Abstract:  The spatial-temporal dynamics of standardized abundance indices of krill in Area 48 ... yesteryear the authors revealed “diagnostics specificity” of GLMM tuning for CPUE standardization: many hauls ... normal distribution. In this study the approaches to improve the diagnostics of GLLM tuning by using ... aggregated haul-by-haul data are shown. The trends of CPUE spatial-temporal variability and the factors ...

   Meeting Document : WG-EMM-11/28 : Автор(ы): S.M. Kasatkina and P.S. Gasyukov (Russia)

8. ANALYSIS OF VARIABILITY OF KRILL SIZE AND FISH BY-CATCH IN JAPANESE KRILL FISHERY BASED ON SCIENTIFIC OBSERVER DATA

   Abstract:  To investigate spatio-temporal variability of krill body length and number of bycatch ... hierarchical Bayesian model. The model was composed of multistage cluster units (i.e., years, subarea, vessels ... variability of krill population structure and a difficulty in predicting krill population dynamics. Variances ... of krill length and bycatch fish number by sampling stages were calculated by the multistage sampling ...

   Meeting Document : WG-EMM-11/39 : Автор(ы): T. Okuda and M. Kiyota (Japan)

9. Summary and update of tagging of Patagonian toothfish at Heard and Macquarie Islands

   Macquarie Islands are presented, along with a summary of results since the beginning of the programme ... . Results from the programme of archival tagging of toothfish are also presented. Author(s):  Delegation of ... Australia Title:  Summary and update of tagging of Patagonian toothfish at Heard and Macquarie Islands ...

   Meeting Document : WG-FSA-03/70 : Автор(ы): Delegation of Australia

10. Notes on the use of virtual population analysis for stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1990/91 and 1991/92 seasons

    Abstract:  Following on from the apparent failure to satisfactorily assess the status of the C ... , dominated in recent years by the 1987 year class (1 year olds in 1988), was quite robust, despite the use of ... various combinations of survey and cpue indices for tuning. According to the VPA the population in 1991/92 ... was composed of a large proportion of 5 year olds, which was not observed during the survey on ...

    Meeting Document : WG-FSA-92/27 : Автор(ы): G. Parkes (United Kingdom)

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