Resultados de la búsqueda
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Longliners, black-browed albatross mortality and bait scavenging in the Falkland Islands: what is the relationship?
-system (demersal) longline setting operations, and a range of environmental and operational variables ... . Logistic regression highlighted that a complex range of environmental and operational variables and black ... , examined over a relatively short time period with minimal environmental variation, the rate of black-browed ... a range of variables influence mortality, until targeted experimental studies are conducted, we ...
Meeting Document : WG-FSA-03/92 : Autor(es): T.A. Reid and B.J. Sullivan (United Kingdom)
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PROGRESS REPORT (2008-2009) ON THE ACTION PLAN AIMED AT REDUCING SEABIRD BY-CATCH IN THE FRENCH EEZs IN STATISTICAL DIVISION 58.5.1 AND SUBAREA 58.6
bird mortality. The aim of this paper is to provide a progress report on the resources employed by ... France since the initiation of the plan to limit bird mortality, and to present a brief report on by ... a recommendation made to France during CCAMLR-XXVII to “urgently submit a strategic plan to ...
Meeting Document : SC-CAMLR-XXVIII/11 : Autor(es): Delegation of France
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Albatross mortality and associated bait loss in the Japanese longline fishery in the Southern Ocean
Abstract: A conservative calculation of the number of albatrosses killed annually on Japanese ... fishery alone exceeding $A 7 million. If all fish species and the total longlining effort were considered ... , it would be many millions of dollars greater. Apart from a concern for albatrosses, Japan's ... longline fishermen would also benefit by using the solutions offered. It is suggested that a 70% reduction ...
Meeting Document : WG-IMALF-94/06 : Autor(es): Brothers, N. 1991. Biol. Conservation, 55: 255-268.
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POTENTIAL REQUIREMENTS FOR SCIENTIFIC DATA FROM THE KRILL FISHERY
Abstract: CCAMLR has agreed that there is a requirement for systematic observation from the krill ... vessels. The number of observer days as a proportion of the number of days fished varied between c10 ... produce a sufficiently precise length frequency distribution and would free up time for other priority ... tasks of observers. Suggestions are provided for a revision of the Scientific Observer Manual for ...
Meeting Document : WG-EMM-08/45 : Autor(es): Secretariat
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Determination of local density of Dissostichus eleginoides in Subarea 48.3 - CCAMLR protocol local depletion experiment Ihn Sung 66 - January 1994
Abstract: A long lining stock depletion trial was undertaken by the Korean longliner Ihn Sung 66 ... is applied using a specialized Catch and Effort Data Analysis computer package (CEDA) to calculate ... the local stock estimate. The initial population size was estimated to be 2914 fish. Assuming a ... fishable area of 50 nm2 this represented a density of 0.5kg/nm2 Suggestions are made for the design of ...
Meeting Document : WG-FSA-94/22 : Autor(es): C. Jones and G. Parkes (United Kingdom)
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Tracer trajectories from the western shelf of South Georgia: ship displacement data
the west of South Georgia. The data were collected over a six-week period during 1986. A distance ... is complex with no simple flow field. These data include a lot of complex process interactions ... . Particles getting onto the shelf become retained with little escape after a run of 100 days. Some of the ...
Meeting Document : WS-Flux-94/10 : Autor(es): E.J. Murphy, I. Everson and C. Goss (United Kingdom)
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Peak mortality of krill, fished with midwater trawls and feasible criteria of krill trawls ecological safety
Abstract: The mathematical model of a fishery object contact against a mesh, while escaping ... through a trawl chafer, is presented. Based on it t the equations are provided to calculate the object ... fleet group. Mathematical model is illustrated by a numeric example from the krill fishery. Thus, the ...
Meeting Document : WG-KRILL-93/34 : Autor(es): Yu. V. Kadilnikov (Russia)
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Variants of the ASPM assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity which attempt to reconcile CPUE and catch-at-length data
availability as resource abundance drops. The other permits annual fluctuations about a deterministic stock ... -recruitment relationship. A fit of the first variant yields the biologically implausible result of a decrease ... the resource. Author(s): Brandão, A., Butterworth, D.S. Title: Variants of the ASPM assessment of ...
Meeting Document : WG-FSA-SAM-04/12 : Autor(es): Brandão, A., Butterworth, D.S.
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Abundance, distribution, energy density and trophic position of euphausiids during winter 2012: preliminary results from the first US AMLR Winter Survey
Abstract: The US AMLR Program has established a 5 year winter oceanographic and biological ... euphausiids in a changing ecosystem. Oceanographic sampling includes hydrographic measurements as well as ... zooplankton taxa are also collected. Here we present preliminary results of a first 8 day shakedown cruise ... water column properties. Future years will include more detailed sampling using a multi-net tucker trawl ...
Meeting Document : WG-EMM-13/40 : Autor(es): C. Reiss and C. Jones (USA)
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Proposals on improving the governance and control of fishing vessels operating in the Southern Ocean
Abstract: There are a number of actions that CCAMLR and its members should implement to improve ... improving ecosystem-based management and environmental protection. These actions include a mandatory ... requirement for ice-strengthening for fishing vessels, a two-tier system of training for vessels crews and ... incident. Additionally, CCAMLR should make a commitment to engage fully in the extension of the Polar Code ...
Meeting Document : CCAMLR-XXXIII/BG/22 Rev. 1 : Autor(es): Submitted by ASOC