Search results
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Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic Peninsula region
reached only a factor of 1:1.6. Krill mortality was calculated by linearized catch curve analysis ... was calculated by linearized catch curve analysis and resulted a rate of Z = 0.88 (1989/90) and Z = 0.96 (1987/88 ... was calculated by linearized catch curve analysis and resulted a rate of Z = 0.88 (1989/90) and Z = 0.96 (1987 ... of zero catches beyond the distribution range - but inside the survey area were included ... a real impression on the variability of biomass density within the distribution limits of the species ... period in time. Working with these 'pseudo-cohort' data we can apply the linearized catch curve equation ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 159–176 : Author(s): Siegel, V.
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USING ECOSYSTEM STRUCTURE TO IDENTIFY FINER-SCALE SSMUS FOR OCEANIC AREAS IN SUBAREAS 48.1 TO 48.3
studies, and from the concentration of krill catches in limited parts of the oceanic SSMUs. A more ... studies, and from the concentration of krill catches in limited parts of the oceanic SSMUs. A more ... subdivision of catches that allows CCAMLR to achieve its objectives for both the fishery and the ecosystem ... . This requires a framework of spatial areas over which catches can be subdivided. WG-EMM has devised an initial ...
Meeting Document : WG-EMM-11/18 : Author(s): S.L. Hill and J. Silk (UK)
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e-sc-xxvii-a12.pdf
... Fishery by-catch......................................................................... 47 Fish ... by-catch ......................................................................... 47 Incidental ... (d) competition (e) spatial utilisation. 4 (v) Catch – (a) biomass/numbers taken (b) size structure ... of inter-/intra-specific competition in these models. 5 1.26 Catch data will have been reported ... Fishery by-catch......................................................................... 47 Fish by ... -catch ......................................................................... 47 Incidental ... ) competition (e) spatial utilisation. 4 (v) Catch – (a) biomass/numbers taken (b) size structure in ... the nature and extent of inter-/intra-specific competition in these models. 5 1.26 Catch data
application/pdf attached to:CCAMLR-IWC-WS-08Meeting Report : CCAMLR-IWC-WS-08
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SC-CAMLR-XI
Proposal to allocate krill precautionary limit within foraging range of land-based predators Delegation ...
Meeting
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Meeting of Antarctic experts comes to a close
to ensure that catches remain sustainable. The Commission agreed precautionary catch limits for all ... agreed precautionary catch limits for all toothfish fisheries in the Convention Area. Research ... into account predators and the krill life cycle to ensure that catches remain sustainable. The Commission ...
Page : Site Section: The Organisation
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e-cc-v.pdf
... (Statistical Subarea 48.3), the Commission shall, at its 1987 Meeting, adopt limitations on catch ... , or equivalent measures, binding for the 1987/88 season. Such limitations of catch or equivalent measures ... in Statistical Area 48. There was divergence in views, in particular, over limitations of catch in Subarea 48.3 ... . Members carrying out fisheries in this area took the position that any such limitations of catch ... Commission recognised that both incidental catch during fishing operations and accidental entanglement in or ... Catch 42. To assess and monitor incidental mortality of birds and marine mammals in fishing operations ... its 1987 Meeting, adopt limitations on catch, or equivalent measures, binding for the 1987/88 season ... . Such limitations of catch or equivalent measures shall be based upon the advice of the Scientific
application/pdf attached to:CCAMLR-VMeeting Report : CCAMLR-V
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WG-FSA-07
. Pierre (New Zealand) WG-FSA-07/19 Experience with seabird by-catch limits in a trial of longline fishing ... -FSA-07/10 Rev. 5 Estimation of IUU catches of toothfish inside the Convention Area during the 2006/07 ... /13 Autoliners and seabird by-catch: do line setters increase the sink rate of integrated weight ... for further trials aimed at reducing Macrourus spp. by catch on autoliners targeting D. eleginoides ...
Meeting
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Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longlines
6 525 longline sets were used to calculate the difference between catch-per-unit-effort (CPUE) of non ... only be implemented when a sufficient level of by-catch species occurs, provides comparable results ... to range from 27.3% to 29.1% of the total catch (landed and depredated), which is one of the highest among ... between catch-per-unit-effort (CPUE) of non-depredated and depredated lines. When killer whales and sperm ... . In the first method, fishing data from 6 525 longline sets were used to calculate the difference between catch ... Patagonian toothfish. This approach, which can only be implemented when a sufficient level of by-catch ... methods, depredation rates were estimated to range from 27.3% to 29.1% of the total catch (landed ... of depredated fish is part of the total catch and is often disregarded when defining quotas (Roche et al ...
Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 1–14 : Author(s): Gasco, N., P. Tixier, G. Duhamel and C. Guinet
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Longline sink rates of an autoline vessel, and notes on seabird interactions
) accounted for 90% of the observed incidental catch; of which 90% were foul hooked rather than having ... ) behaviour, and steaming (offal) behaviour. A night vision scope was trialed and found to be of limited ... ) accounted for 90% of the observed incidental catch; of which 90% were foul hooked rather than having ... ) behaviour, and steaming (offal) behaviour. A night vision scope was trialed and found to be of limited ...
Meeting Document : WG-FSA-01/44 : Author(s): N.W.McL. Smith (New Zealand)
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SC-CAMLR-XXXIII
of Germany SC-CAMLR-XXXIII/09 Assignment of research catch limits for effort-limited research proposals ... in fisheries with pre-existing non-zero catch limits Delegation of New Zealand SC-CAMLR-XXXIII/10 Update ... ) Secretariat CCAMLR-XXXIII/BG/15 Rev. 1 Information on levels of seabird by-catch in fisheries adjacent ... and unregulated (IUU) fishing in the CAMLR Convention Area Secretariat SC-CAMLR-XXXIII/BG/01 Catches ...
Meeting