Search results
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Protecting young fish and spawning aggregations of Champsocephalus gunnari in Subarea 48.3 (South Georgia): a review
in Subarea 48.3 (South Georgia): a review Abstract / Description: The need to protect young fish ... , and a proposed new closed season from 1 March to 31 May. File: 04parkes.pdf ... The need to protect young fish and spawning aggregations in fisheries generally, and specifically ... , including minimum mesh size and fish size, and a proposed new closed season from 1 March to 31 May. ... The need to protect young fish and spawning aggregations in fisheries generally, and specifically ... , including minimum mesh size and fish size, and a proposed new closed season from 1 March to 31 May. La ... poisson incluse, et la fermeture eventuelle de la saison du ler mars au 31 mai ... propuesta para clausurar la temporada de pesca durante el periodo del 10 de marzo a1 31 de mayo. Keywords ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 75–86 : Author(s): Parkes, G.B
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Midwater trawl catchability as an aspect of a quantitative assessment of krill biomass conducted using a trawl census survey
by high relative error. A standard method for conducting krill trawl census surveys needs to be developed ... characterised by high relative error. A standard method for conducting krill trawl census surveys needs ... for conducting krill trawl census surveys needs to be developed. Mathematical modelling fishing trawls as well ... needs to be developed, including the selection of an optimal midwater trawl construction and operating ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 257–272 : Author(s): Kasatkina, S.M.
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Statistical problems in krill stock hydroacoustic assessments
the population is fixed in space, relative to the sampling interval. There remain several unsatisfied needs ... the population is fixed in space, relative to the sampling interval. There remain several unsatisfied needs ... interval. There remain several unsatisfied needs for improvements in sampling design and tests ... needs to be considered. In some senses, the collective actions of individuals of a species may produce ... 2. GENERAL STATUS AND NEEDS The first issue is that of large statistical variances. Hydroacoustic surveys ... of such stratification greater. The tendency to consider many zooplankton as weak swimmers needs to be more carefully ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 301–309 : Author(s): Macaulay, M.C.
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A simulation study of krill fishing by an individual Japanese trawler
of the requisite data may not be practical. Other approaches (e.g. research vessel surveys) need to be considered ... to such changes), and because such indices are relatively imprecise. Priority needs to be given to improving ... of the requisite data may not be practical. Other approaches (e.g. research vessel surveys) need to be considered ... to such changes), and because such indices are relatively imprecise. Priority needs to be given to improving ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 1–108 : Author(s): Butterworth, D.S.
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Defining smaller-scale management units to further develop the ecosystem approach in managing large-scale pelagic krill fisheries in Antarctica
’ needs when managing the fishery for Antarctic krill. It provides a theoretical foundation ... units to take account of predators’ needs when managing the fishery for Antarctic krill ... management units to take account of predators’ needs when managing the fi shery for Antarctic krill ... INTRODUCTION The ecosystem approach to managing fi sheries in the Southern Ocean requires that the needs ... sheries within this framework, but is yet to develop strategies for directly taking account of the needs ... recognised the need to subdivide this into smaller areas to avoid localised effects on predators (Con ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 117–131 : Author(s): Constable, A.J. and S. Nicol
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Homogeneity of Adélie penguins as krill samplers
commercial catches and predator needs. Unfortunately, the analysis of length distributions obtained from ... 41.60 32.16 2 66 23/1/90 40.48 26.84 2 70 31/1/90 43.79 20.32 3 19 09/1/90 39.07 13.19 3 27 31/1/90 ... 39.98 27.10 4 30 09/1/90 42.65 14.75 4 25 19/1/90 32.11 31.78 5 41 18/1/90 40.02 15.18 5 39 24 ... 23/1/90 37.66 64.44 8 32 12/1/90 41.46 23.15 8 31 02/2/90 40.27 19.49 9 60 13/1/90 39.79 22.46 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 253–257 : Author(s): Marschoff, E. and B. Gonzalez
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Joint Polish/American hydroacoustic survey of Elephant Island and the vicinity of King George Island, 1988
not been done in a consistent or systematic manner and needs to be addressed to validate the results ... directly respond to identified CCAMLR data needs and will be closely coordinated with us and other nations ... February 1988. The survey of Elephant Island began on 22 January and ended on 31 January. The survey ... of King George Island and Bransfield Strait began on 31 January and was completed on 5 February ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 357–377 : Author(s): Macaulay, M.C.
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Preliminary report on biological observations and exploratory fishing data collected in the South Georgia area during the 1985/86 cruise of MT Carina
length groups: 7–22/23, 22–31 and 31–49 cm. Weight/length ratios were calculated for all five species ... . N. gibberifrons was also represented by three length groups: 7–22/23, 22–31 and 31–49 cm. Weight ... . N. gibberifrons was also represented by three length groups: 7-22/23, 22-31 and 31-49 cm. Weight/length ratios ... : 7-22/23, 22-31 et 31~49 cm. La relation poids/longueur a ete calculee pour toutes les cinq especes ... . N. qibberifrons tambien estuvo represent ado por tres grupos de tamafio: 7-22/23, 22-31 Y 31-49 cm. Se calcularon ... : 7 -2 2/23 CM, 22-31 CM H 31-49 CM. EWIU SbIt1HCJIeHhI SeJIHt1HHbI OTHOIIIeHH5I BeCa K AJIHHe AJI5I BCeX ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 65-97 : Author(s): Kreft, K. and J. Szynaka
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Significant conservation benefits obtained from the use of a new fishing gear in the Chilean Patagonian toothfish fishery
. The operation of the new system also needs less crew than the traditional Spanish syste, which requires 12 ... this matter is one that needs further study to consider this aspect of the Chilean longline. conclusion ... fishery for sablefish, Anaplopoma fim- bria, in the Gulf of Alaska: research needs and approaches ... y aves marinas. Informe final proyecto FIP 2001-31: 199 pp. (www.fip.cl). Moreno, C.A., J.A. Arata ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 79–91 : Author(s): Moreno, C.A., R. Castro, L.J. Mújica and P. Reyes
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CCAMLR ecosystem monitoring and a feedback management procedure for krill
interactiva para esta pesquerfa. 1. INTRODUCTION The need to establish conservation measures ... remain available to meet the needs of predators. Also, the Commission agreed that feedback management ... . This paper examines some of the issues that need to be addressed by the Scientific Committee in evaluating ... that is considered acceptable (i.e., for which no management action is required) needs to be specified. Second ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 345–350 : Author(s): Constable, A.J.