Search results
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Effects of different harvesting strategies on the stock of Antarctic icefish Champsocephalus gunnari around South Georgia
Champsocephalus gunnari have been simulated for a period of 30 years. These were- diffierent levels of constant ... have been simulated for a period of 30 years. These were - diffierent levels of constant fishing ... of F 3 or 6 years after a good recruitment,- pulse fishing at an interval of 3 years with no fishing in between ... year class. An increaseof F, however, should not occur before 4 years after a good recruitment ...
Meeting Document : SC-CAMLR-VIII/BG/47 : Author(s): Delegation of Federal Republic of Germany
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Effects of different harvesting strategies on the mackerel icefish Champsocephalus gunnari around South Georgia
on the mackerel icefish (Champsocephalus gunnari) have been simulated for a period of 30 years. These were ... ) have been simulated for a period of 30 years. These were: different levels of constant fishing ... with F increasing three or five years after a good recruitment; pulse fishing at an interval of three years ... to the strength of the incoming year class. An increase of F, however, should not occur earlier than four years ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 77–100 : Author(s): Köster, F.W. and K.-H. Kock
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UPDATED KRILL RECRUITMENT DATA FOR THE ELEPHANT ISLAND REGION OF THE SOUTH SHETLAND ISLANDS, ANTARCTICA; 2002-2008
derived from the CMIX procedure, and were also derived as a proportion of the <30 mm length class ... , with low recruitment occurring during the intervening years. Significant differences in the proportional ... recruitment indices occurred between legs within years indicative of the changing pattern of krill within ... the CMIX procedure, and were also derived as a proportion of the <30 mm length class for day and night ...
Meeting Document : WG-EMM-08/41 : Author(s): C. Reiss (USA)
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Revised estimates of seabed areas within the 500 m isobath of the South Orkney Islands (Subarea 48.2) and consequences for standing stock biomass estimates of nine species of finfish
increased from 5%-30% for eight species and decreased 20% for one. Author(s): C.D. Jones (USA) Title ... estimates are about 1,424 (20%) nautical miles larger in area within the 50-500 m isobaths than Everson’s ... 1,424 (20%) nautical miles larger in area within the 50-500 m isobaths than Everson’s estimates, though ... estimated biomass. Of the nine species examined, the point estimate of total biomass increased from 5%-30 ...
Meeting Document : WG-FSA-99/33 : Author(s): C.D. Jones (USA)
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Assessment and tag program adaption methods for exploratory fisheries in the CAMLR Convention Area: an example application for Division 58.4.3a
abundance estimator, is defined whereby catch limits and tagging rates can be adjusted together to define ... tagging levels that will produce an expected abundance estimate in the following year of a given precision ... be adjusted together to define tagging levels that will produce an expected abundance estimate ... in the following year of a given precision whilst ensuring the sustainable exploitation of the stock as per ... ) is employed and, from a fish- eries context it relates, in any given year/season, the number of animals ... % of K (in this case), not its status relative to 20% of K in the final year of projection. One might then expect ... whereby catch limits and tagging rates can be adjusted together to define tagging levels ... that will produce an expected abundance estimate in the following year of a given precision whilst ensuring ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 101–113 : Author(s): Hillary, R.M
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e-cc-xvi-a5.pdf
... . 1.47 Chile drew the attention of the Committee to Articles 19 and 20 of the 1995 Straddling Stocks ... by Members in accordance with Articles X and XXII of the Convention’ and 1(v) ‘Improvements to the System ... by Members in Accordance with Articles X and XXII of the Convention 1.4 At its 1996 meeting, the Commission ... in SCOI-97/6. 125 1.7 Last year the Commission also expressed its deep concern over the increasing ... ’. A summary of sightings was given in SCOI-97/6. 125 1.7 Last year the Commission also expressed ... Article X of the Convention and recommended that the existing procedures of transmitting the CCAMLR ... Committee to Articles 19 and 20 of the 1995 Straddling Stocks Agreement which contain provision for ... in Article XXIV of the Convention. CCAMLR-XVI/16 presents analysis conducted by Chile of the relevant
application/pdf attached to:SCOI-97
Meeting Report : SCOI-97
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Pursuit of polynyas in the Antarctic peninsula area
observations. A typical polynya existed off the tip of the Peninsula in 1987 and 1991. In the such years, sea ... ice cover developed extensively. Inversely, the years of the narrow sea ice cover were 1988, 1989,1990 ... and 1993. In the such years, polynyas did not existed. The typical polynya (nearly 500 x 200 km) in 1987 ... was pursed from beginning on August 1 to end on October 20. The shape of the polynya changed remarkably ...
Meeting Document : WG-EMM-97/69 : Author(s): Kimura, N., Shibazaki, K., Matsumura, S., Naganobu, M., Okada, Y.
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Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.2
it was concluded that the Year-of-the-Skate had been a success overall and had met its objectives to enhance data ... -05). The precautionary catch limit for Dissostichus spp. was 70 tonnes, of which no more than 30 ... in CM 33-03. The fishing season was from 1 December 2010 to 30 November 2011. Environmental ... A catch limit for Dissostichus spp.: 30 tonnes; final reported catch: 0 tonnes – whole fishery catch ...
Document : Site Section: Publications
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Evaluation on the performance of echosounder on a fishing vessel using maximum seabed backscattering
and 2018) collected at a relatively fixed location with bottom depth around 200 m were used to evaluate ... analysis indicated that there was no significant difference among years at both frequencies. Author ... vessel to estimate Antarctic krill biomass. Acoustic data from three surveys (2015, 2016 and 2018 ... indicated that there was no significant difference among years at both frequencies. ...
Meeting Document : SG-ASAM-18/06 : Author(s): X. Wang, X. Yu and X. Zhao
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A rationale for conservation areas within Antarctic waters
: The application of potential conservation measures listed in Article IX 2 of the Convention requires ... resources’ (Article IX 2 (b)). In order to select meaningful boundaries for such areas, first priority has ... The application of potential conservation measures listed in Article IX 2 of the Convention ... of Antarctic marine living resources’ (Article IX 2 (b)). In order to select meaningful boundaries ... of potential conservation measures listed in Article IX 2 of the Convention requires "the designation ... " (Article IX 2 (b)). In order to select meaningful boundaries for such areas, first priority has been ... potentielles enumerees a l'Article IX 2 de la Convention necessite "la designation de secteurs et de sous ... -secteurs selon la repartitiondes populations de res sources marines vivantes de l'Antarctique" (Article ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 513-535 : Author(s): Chittleborough, R.G.