Resultados de la búsqueda
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Solutions to seabird by-catch in Alaska’s demersal longline fisheries
fishery for Pacific cod. We conducted tests over two years to account for inter-annual variation and allow ... Abstract: This research program compared seabird bycatch mitigation strategies over 2 years (1999 ... years, regions, and fleets (88% to 100% relative to controls with no deterrent), despite the fact that ... we saw orders of magnitude variation in bycatch across years and in the case of the sablefish fishery ...
Meeting Document : WG-FSA-01/35 : Autor(es): E.F. Melvin, J.K. Parrish, K.S. Dietrich and O.S. Hamel (USA)
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An assessment of toothfish in Subarea 48.3 using CASAL
, the estimated long term yield is 4910 t for the baseline two-fleet assessment, while for the one-fleet ... model was selected to best represent the fishery and the available data sources. This incorporated two ... in the two fleet assessment. This alternative assessment produced worse fits to the catch length ... ). For the baseline assessment incorporating two fleets, the 2005 vulnerable biomass was estimated to be ...
Meeting Document : WG-FSA-05/16 : Autor(es): R.M. Hillary, G.P. Kirkwood and D.J. Agnew (United Kingdom)
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Microincrement analysis in otoliths of Notothenia rossii fingerlings from the South Shetland Islands to estimate early life history timings and to validate annulus formation
date of capture showed two main periods of larval hatching separated by 5-6 months, one in late summer ... distribution of fish sampled in spring 2010 showed the simultaneous presence of two different cohorts ... other nototheniids within similar size range. Based on the early life events associated with the two ... hatching periods in N. rossii, two main types of life cycles are hypothesised for South Shetland Islands ...
Meeting Document : WG-FSA-12/04 : Autor(es): E. Barrera-Oro (Argentina) and M. La Mesa (Italy)
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Temporal variation in Antarctic sea-ice: analysis of a long-term fast-ice record from the South Orkney Islands
recent years this cyclicity has broken down and fast-ice duration has been greater than expected ... Antarctic continent with a period of approximately 7-9 years. Analysis of atmospheric and oceanic ... ecological change. Author(s): Symon, C., Murphy, E.J., Priddle, J., Clarke, A. Title: Temporal variation in ...
Meeting Document : WG-EMM-95/80 : Autor(es): Symon, C., Murphy, E.J., Priddle, J., Clarke, A.
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Important marine mammal areas (IMMAs) – scientific protocol
workshops whose objective is to identify and delimit habitats that are considered important for one or more ... particular attention in terms of conservation. Author(s): S. Gallon, P. Marras-Aït Razouk and Y. Ropert ...
Meeting Document : WG-EMM-2019/80 : Autor(es): S. Gallon, P. Marras-Aït Razouk and Y. Ropert-Coudert
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MITIGATION OF SEABIRD CAPTURES DURING HAULING IN CCAMLR LONGLINE FISHERIES
Abstract: In recent years there has been an increased focus on reducing ‘residual’ seabird ... suggests that there are two key aspects of effective BED, firstly that they provide a deterrent to birds ... incorporates the two key functional characteristics required to reduce seabird captures during the haul ... . Author(s): E. Reid, B. Sullivan (BirdLife International), K. Reid (Secretariat) and J. Clark (United ...
Meeting Document : WG-IMAF-09/14 : Autor(es): E. Reid, B. Sullivan (BirdLife International), K. Reid (Secretariat) and J. Clark (United Kingdom)
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Approaches to data collection and analysis for detecting and quantifying functional overlap at the scale of the individual vessell
Abstract: Summary Over the past years, the subject of whether there is a functional overlap ... Groups. Specifically, these discussions centre around two key issues: a) whether there are potential ... , considers what types of scientific questions can be answered with the two approaches to data collection and ... the development of a robustly designed data collection programme. Author(s): M. Söffker and N. Gasco ...
Meeting Document : WG-EMM-18/33 : Autor(es): M. Söffker and N. Gasco
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Determining toothfish otolith structure using oxytetracycline at South Georgia – a preliminary report
results are presented here. Two fish marked with strontium-chloride (SrCl2) during the 2002 trawl survey ... . Author(s): M.G. Purves, M. Belchier, D.J. Agnew, G. Moreno and T.R. Marlow (United Kingdom) Title ... 2002 were injected with oxytetracycline (OTC) to mark the otoliths for age validation purposes. The ...
Meeting Document : WG-FSA-03/80 : Autor(es): M.G. Purves, M. Belchier, D.J. Agnew, G. Moreno and T.R. Marlow (United Kingdom)
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Beached marine debris surveys and incidences of seabird/marine mammal entanglements and hydrocarbon soiling at Bird Island and King Edward Point, South Georgia, and Signy Island, South Orkneys, 2009/10
previous years, and for the first time we also report data collected at King Edward Point, South Georgia ... Bird Island. One Antarctic fur seal entanglement was observed at King Edward Point (involving fishing ... albatrosses. No incidences of hydrocarbon soiling were observed at Bird Island or Signy Island and one oiled ... the long-term mean for debris associated with most seabird species. Author(s): Delegation of the ...
Meeting Document : SC-CAMLR-XXIX/BG/10 : Autor(es): Delegation of the United Kingdom
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Results of phase I of the Russian research program for toothfish fishery in Subarea 88.3 during the 2010/11 season
onboard longliner Sparta (company “Morskoi Voron”). In total, 20 trotline sets at different depths have ... . All toothfish catches and by-catch were subjected to biological analysis. 30 toothfish individuals of ... distribution of toothfish, and its feeding in Subarea 88.3 B-D were obtained. Author(s): Delegation of Russia ... of fish of catches. Material sampled included 240 otoliths for age determination, 53 samples for ...
Meeting Document : WG-FSA-11/36 : Autor(es): Delegation of Russia