Search results
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ACCURACY OF BENTHIC INVERTEBRATE BY-CATCH IDENTIFICATION BY OBSERVERS OPERATING IN THE HEARD ISLAND AND MCDONALD ISLANDS PATAGONIAN TOOTHFISH LONGLINE FISHERY
Abstract: As a means of testing the accuracy of observer identifications and to provide ... to Heard Island and McDonald Islands (HIMI) for onshore verification by taxonomists at the Australian ... Antarctic Division (AAD). Observers displayed a high level of accuracy (89%) in the identification of ... longline invertebrate by-catch. Common taxonomic errors included the misclassification of stylasterids ...
Meeting Document : WG-FSA-09/23 : Author(s): T. Hibberd (Australia)
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Conditions for the precise measurement of fish target strength in situ
reverberation volume which contributes echo formation at a certain instant and the other is the percentage of ... Abstract: Conditions for precise measurement of in situ fish target strength (TS) are empirically ... studied and two indexes are introduced for this purpose. One is the number of fish in the effective ... the multiple echoes which is derived from a residual of the single echo extraction. With the decrease ...
Meeting Document : WG-Krill-94/35 : Author(s): K. Sawada and M. Furusawa (Japan), N.J. Williamson (USA)
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Tendencias de la biomasa de Dissostichus eleginoides (Smitt, 1898) en la Subarea 48.3 (1992–1997)
Abstract: The stock assesment of Dissostichus eleginoides from the subarea 48.3, between the ... the catch at age data. The model was tunned by the standarized CPUE. For this last process GLlM was ... used and for the aplication of SPA the non-lineal function of Solver in Excel was used. The results ... show descent trends in Total, Fishable and the Spawning Biomass. This last part of the population is ...
Meeting Document : WG-FSA-97/43 : Author(s): Moreno, C.A., Rubilar, P.S., Zuleta, A., Young, Z.
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POTENTIAL PHENOLOGICAL RESPONSES TO ENVIRONMENTAL VARIABILITY AND CHANGE FOR ADÉLIE PENGUINS
phenophases of the breeding cycle and describe shifts in Adélie penguin breeding phenology reported at ... Abstract: Phenological changes are touted to be an early indication of species response to ... environmental change and have been reported for a range of species around the globe. In Antarctica, there is a ... clear indication of phenological changes for the Adélie penguin (Pygoscelis adeliae) with contrasting ...
Meeting Document : WG-EMM-11/33 : Author(s): L. Emmerson and C. Southwell (Australia)
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Peculiarities of spatial-temporal variability of oceanological conditions in the Weddell Sea region in the context of the development of a stock hypothesis for Antarctic toothfish (Dissostichus mawsoni) in Area 48
nature of these data at all stages of the toothfish life. Otherwise, the results may be insufficiently ... Abstract: A significant spatial-temporal variability of the oceanological environmental ... conditions influencing the formation of biological productivity zone in Subareas 48.5 and 48.6 is revealed ... . Analysis of available information for the development of the stock hypothesis for Antarctic toothfish stock ...
Meeting Document : WS-SM-18/11 : Author(s): V. Shnar and S. Kasatkina
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CCAMLR Scientific Scholarship Scheme – Previous Recipients
(Argentina) Papers: Abundance estimation of Adélie penguins colony at Esperanza/Hope Bay WG-EMM-13/43 ... Evaluation of populations of chinstrap and gentoo penguins at Cierva Cove (ASPA N° 132). Is this site an ... Subarea 48.2 WG-EMM-14/04 Breeding and post-breeding foraging locations of Adélie penguins at Hope Bay ... 2023–2024: Mr Mauricio Mardones (Chile) – population dynamics and exploitation status of Antarctic ...
Page : Site Section: Science
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Insights from the study of the last intact neritic marine ecosystem
Southern Ocean and other portions of the World Ocean, remains at least for now, intact. If its whales ... , after compiling information from 19 subregions, on how the exploited shelf ecosystems of the North ... be structured by predation. Analysis has shown, however, that some portions of the Ross Sea follow ... , bottom-up structuring likely would prevail. Author(s): D. Ainley Title: Insights from the study of the ...
Meeting Document : WG-EMM-07/P3 : Author(s): D. Ainley
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Modifications to the Generalised Yield Model: updated input of recruitment time series data and annual fishing selectivity functions
series from survey data for each value of natural mortality used in the assessments, whenever it is ... altered over the range of uncertainty in M factored into the assessment process. Data from outputs from ... , endeavouring to predetermine the recruitment series with an average value of M is no longer necessary for ... sections for each year at which the selectivity is altered. Author(s): A.J. Constable (Australia) Title ...
Meeting Document : WG-FSA-01/74 : Author(s): A.J. Constable (Australia)
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Standardised estimates of D. eleginoides catches per effort in Subarea 48.3 using information for 1985/86–1990/91 seasons
Abstract: A brief description of hawl-by-hawl data sets from Ukrainian commercial vessels fishing ... summer months off the eastern South Georgia and at Shag Rocks. The length frequency modes amounted to 95 ... -100 cm, which exceeded modes for the latest years of fishery. Using the generalized additive model the ... approximately similar, while in 1996-99 it decreased sharply. It is shown that significance of such factors as a ...
Meeting Document : WG-FSA-00/33 : Author(s): P. Gasiukov (Russia) and V. Bibik (Ukraine)
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Proposals for the governance and control of fishing vessels and fishing support vessels operating in the Southern Ocean
Abstract: There are a number of steps that CCAMLR and its members can take to improve the ... governance and control of fishing vessels in the Southern Ocean and thereby enhance safety, ecosystem-based ... -strengthening and obtaining IMO numbers for all vessels, reports on all vessel incidents, and notification of ... at the earliest opportunity. CCAMLR Members should also support efforts to bring the new Cape Town ...
Meeting Document : CCAMLR-XXXII/BG/18 : Author(s): Submitted by ASOC