Resultados de la búsqueda
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Unnatural selection of Antarctic toothfish in the Ross Sea, Antarctica
Abstract: The current management strategy of the Ross Sea Antarctic toothfish fishery in an MSY ... growth rate of smaller fish. The literature is reviewed to reveal why this strategy has failed in the ... effects of removing large fish but such fisheries, in a process called longevity overfishing, has ... , J.T. Eastman and M. Massaro Title: Unnatural selection of Antarctic toothfish in the Ross Sea ...
Meeting Document : WG-FSA-12/P05 : Autor(es): D.G. Ainley, C.M. Brooks, J.T. Eastman and M. Massaro
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Preliminary assessment of Subarea 48.3 mackerel icefish, Champsocephalus gunnari, based on the January 2013 survey
Abstract: A bootstrap procedure was applied to estimate the demersal biomass of mackerel icefish ... fishing season. Application of the CCAMLR rule, which ensures 75% biomass escapement after a two year ... projection period, yielded total allowable catch limit advice of 4635 tonnes for 2013/14 and 2659 tonnes for ... 2014/15. Author(s): C. Darby and T. Earl (United Kingdom) Title: Preliminary assessment of Subarea ...
Meeting Document : WG-FSA-13/27 : Autor(es): C. Darby and T. Earl (United Kingdom)
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Special features of the current krill fishery dynamics in the Southern Atlantic (Subareas 48.1, 48.2 and 48.3) during 2008-2014
in this paper. Author(s): S. Kasatkina and P. Gasyukov (Russia) Title: Special features of the ... Abstract: The current state of the krill fishery in the Area 48 during 2008- 2014 was analyzed in ... terms of catches, CPUE, catch per haul, fishing efforts (hours fished) and fishing vessel locations for ... traditional and continuous fishing methods. The CCAMLR fishery statistics was used. Summarized results of this ...
Meeting Document : WG-EMM-15/26 : Autor(es): S. Kasatkina and P. Gasyukov (Russia)
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Ross Sea region Marine Protected Area: Reporting, Periodic Review and Period of Designation Elements
might review the extent to which the objectives of the RSRMPA are still relevant and are being achieved ... ; and the period of designation for the RSRMPA. Author(s): Delegations of the USA and New Zealand Title ... : Ross Sea region Marine Protected Area: Reporting, Periodic Review and Period of Designation Elements ... Abstract: This paper describes the following elements associated with the proposal for a Marine ...
Meeting Document : CCAMLR-XXXIV/BG/39 : Autor(es): Delegations of the USA and New Zealand
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Start date of the CCAMLR fishing season for Antarctic krill
start at a time of year that is based upon ecological events, rather than upon a date that is convenient ... for management. We review data on the breeding phenology of predators, and use data from the CCAMLR ... Statistical Bulletin (Version 28) to explore whether there are times of year that would reduce the potential ... S. Hill Title: Start date of the CCAMLR fishing season for Antarctic krill Microsoft Word File ...
Meeting Document : WG-EMM-16/16 : Autor(es): P. Trathan and S. Hill
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Preliminary assessment of mackerel icefish Champsocephalus gunnari in Subarea 48.3 – Based on the 2019 Groundfish Survey
Abstract: A stratified bootstrap of icefish catch density based on the UK 2019 demersal fish ... survey catch rate data indicated a biomass of 53,124 tonnes (lower one sided 5th percentile: 32,399 ... CCAMLR harvest control rule lead to catch limits (TAC) of 3,225 tonnes for 2019/20 and 2,132 tonnes for ... 2020/21. Author(s): T. Earl Title: Preliminary assessment of mackerel icefish Champsocephalus gunnari ...
Meeting Document : WG-FSA-2019/30 : Autor(es): T. Earl
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Foraging range and at-sea locations of female Antarctic fur seals, Cape Shirreff, Livingston Island, from 1999–2002
from their colony to feeding areas hours to days offshore, returning periodically to suckle. Outside of ... survival but that of her young. As such, a fundamental component to understanding the survival and ... reproductive success of fur seals is to identify habitat preferences. Our objective was to characterize the ... distribution and range of foraging females rearing pups at Cape Shirreff, Livingston Island, Antarctica. We ...
Meeting Document : WG-EMM-02/53 : Autor(es): M.E. Goebel, S.N. Sexton and D.P. Costa (USA)
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ENVIRONMENTAL FORCING AND SOUTHERN OCEAN MARINE PREDATOR POPULATIONS: EFFECTS OF CLIMATE CHANGE AND VARIABILITY
various ways, including alterations to climate and weather patterns across a variety of time-scales that ... include changes to the long interdecadal background signals such as the development of the El Niño ... best predictor of biological responses over longer time-scales. Around the Southern Ocean, marine ... Atlantic, failure of Antarctic krill recruitment will inevitably foreshadow recruitment failures in a range ...
Meeting Document : WG-EMM-08/P06 : Autor(es): P.N. Trathan, J. Forcada and E.J. Murphy
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Distribution and abundance of larval fishes collected in the western Bransfield Strait region, 1986–87
types of net hauls. Gear differences, the restricted geographical coverage, and between year variability ... vicinity of Gerlache Strait and island shelf areas; larvae were infrequently collected in Drake Passage ... but low compared to that of Notothenia gibberifrons (0.12 mm day-1). Author(s): Delegation of USA ... Title: Distribution and abundance of larval fishes collected in the western Bransfield Strait region ...
Meeting Document : SC-CAMLR-VIII/BG/36 : Autor(es): Delegation of USA
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Comparison of age readings by two otolith preparation techniques and readers
in interpretation of otolith banding patterns. Results suggest broad agreement in ages determined by ... and in interpretation of the break and burn preparation method to warrant further coordination and ... . This experiment highlights the importance of monitoring and comparing ageing protocols within and ... paired age difference statistically equal to zero, overall CV less than 10%, and slope of regression ...
Meeting Document : WG-FSA-14/53 : Autor(es): S.J. Parker (New Zealand), A.F. Petrov (Russia), C.P. Sutton (New Zealand) and E.N. Kuznetsova (Russia)