Результаты поиска
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Effects of sea-ice extent and krill or salp dominance on the Antarctic food web
trophic levels in the Antarctic marine food web. The pelagic tunicate Salpa thompsoni can also be ... important during spring and summer through the formation of extensive and dense blooms. Although salps are ... chlorophyll-a that indicate that there is a degree of competition between krill and salps. Our analysis of the ... decreased frequency of winters with extensive sea-ice development over the last five decades. Our data ...
Meeting Document : WG-EMM-97/73 : Автор(ы): Hewitt, R., Trivelpiece, S., Fraser, W., Holm-Hansen, O., Siegel, V., Trivelpiece, W., Loeb, V.
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Distribution and abundance of larval fishes collected in the western Bransfield Strait region, 1986–87
samples collected in the western Bransfield Strait region during four RACER program cruises, December ... , and Trematomus scotti, numerically dominated the total catch. Two typically abundant species in this ... differences appear to be responsible for substantial shifts in species abundance relations between the two ... types of net hauls. Gear differences, the restricted geographical coverage, and between year variability ...
Meeting Document : SC-CAMLR-VIII/BG/36 : Автор(ы): Delegation of USA
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Intra-annual variability in the abundance of Antarctic krill (Euphausia superba) at South Georgia, 2002–2005: within-year variation provides a new framework for interpreting previous ‘annual’ krill density estimates
kHz) were deployed on moorings on- and off-shelf to the northwest of South Georgia to measure ... (mean = 89.5 g m-2 SD 64.2). A simple polynomial regression model with time as the independent variable ... explained 71% of the observed week-week variation. Mooring estimates of krill abundance were not ... periods suggesting that the mooring point estimates had relevance in a wider spatial context (ship surveys ...
Meeting Document : WG-EMM-06/25 : Автор(ы): R.A. Saunders, J.L. Watkins, K. Reid, E.J. Murphy, P. Enderlein, D.G. Bone and A.S. Brierley (United Kingdom)
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Review of the Admiralty Bay Antarctic Specially Managed Area Management Plan (ASMA No. 1)
Specially Managed Area (ASMA), under Annex 5 of the Protocol to the Antarctic Treaty on Environmental ... adopted by the ATCPs at ATCM XX (Utrecht, 1996). The document presented here is a revision of the former ... Management Plan, as required at ATCM XX. Author(s): Delegations of Brazil and Poland Title: Review of the ...
Meeting Document : WG-EMM-05/8 : Автор(ы): Delegations of Brazil and Poland
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Distribution, demography and discard mortality of crabs caught as by-catch in an experimental pot fishery for toothfish in the South Atlantic
were also noted in depth distribution of the sexes and the size of crabs. Depth, soak time and area ... P. formosa) were males above the legal size limit and could therefore be retained. All other crabs ... -immersion experiments indicated that on the vessel which emptied pots directly onto the factory conveyor ... belt 85% – 90% of crabs would survive discarding, whereas on the vessel where crabs were emptied down a ...
Meeting Document : WG-FSA-01/32 : Автор(ы): M.G. Purves (South Africa), D.J. Agnew, G. Moreno, C. Yau and G. Pilling (United Kingdom)
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Parameters for the stochastic krill dynamics model (SKDM): selectivity and maturity
Abstract: The parameters used to model gear selectivity and maturity at length in the SKDM were ... derived from data available at the CCAMLR Data Centre or in documents submitted to past meetings of the ... Scientific Committee. In the SKDM, if l50 for selectivity and maturity is to be sampled from a uniform ... the stochastic krill dynamics model (SKDM): selectivity and maturity Approval: Approved ...
Meeting Document : WG-Krill-94/04 : Автор(ы): D.J. Agnew (Secretariat)
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Research plan for the exploratory fishery for Dissostichus spp. in Subarea 48.6 in 2013/14
Abstract: South Africa has notified its intention to participate in the exploratory fishery for ... Dissostichus spp. in Subarea 48.6 in 2013/14. The research plan details the objectives, rationale and ... progress report on the research fishing in Subarea 48.6 in 2012/13 was submitted jointly by Japan and South ... Africa (see WG-SAM-13/05). Author(s): Submitted by the Secretariat on behalf of South Africa Title ...
Meeting Document : WG-SAM-13/11 : Автор(ы): Submitted by the Secretariat on behalf of South Africa
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Reviewing the need for bottle test for specified longline gear configurations
Abstract: During the SISO review several questions were raised about the need for continued use ... update (and simplify) the seabird mitigation elements of these measures. The changes that are proposed do ... not seek to change any of the practical and highly effective measures currently in place. Author(s ... ): Secretariat Title: Reviewing the need for bottle test for specified longline gear configurations Approval ...
Meeting Document : WG-FSA-14/24 : Автор(ы): Secretariat
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Summary of scientific observer data collected in finfish fisheries in the CAMLR Convention Area during 2016
Abstract: This paper summarises the data collected by Scientific Observers operating in the ... Convention Area on board longline and finfish trawl vessels during the 2016 season (based on data received by ... the Secretariat up to 19 September 2016). Information on observer coverage, incidental mortality ... (including the implementation of mitigation related CMs), tagging, and fish sampling is presented. Author(s ...
Meeting Document : WG-FSA-16/01 : Автор(ы): CCAMLR Secretariat
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Proposal for multi-Member research on the Dissostichus mawsoni exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) from 2018/19 to 2021/22
rules remain to be determined for these Divisions. WG-FSA-16/29 outlined the first multi-member ... toothfish exploratory fishery research plan up to 2017/18 for East Antarctica, which the Scientific ... Committee agreed was appropriate to achieve the research objectives (SC-CAMLR-XXXV, para. 3.244). Subsequent ... to the identification of vulnerable marine ecosystem (VME) indicator species (Maschette et al. 2017 ...
Meeting Document : WG-FSA-18/59 : Автор(ы): Delegations of Australia, France, Japan, Republic of Korea and Spain
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