Résultats de la recherche
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Bias in the estimation of krill yield from using a deterministic formulation of the median unexploited spawning biomass
needs to be estimated prior to each trial in order for it to be based on the parameters for that trial ... uncertainty. CCAMLR Science, 3: 31-54. Many thanks to Geoff Kirkwood for his SC-CAMLR. 1994. Report ofthe ... . Consequently, the median pre-exploitation biomass needs to be estimated prior to each trial in order for it to ... trials. Consequently, the median pre-exploitation biomass needs to be estimated prior to each trial in ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 1–8 : Auteur(s): Constable, A.J. and W.K. de la Mare
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Homogeneity of Adélie penguins as krill samplers
12/1/90 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 ... 44.67 21.47 7 63 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 ... commercial catches and predator needs. Unfortunately, the analysis of length distributions obtained from ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 253–257 : Auteur(s): Marschoff, E. and B. Gonzalez
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Statistical problems in krill stock hydroacoustic assessments
needs for improvements in sampling design and tests for systematic trends in survey data collected from ... sampling interval. There remain several unsatisfied needs for improvements in sampling design and tests ... migratory behaviour needs to be considered. In some senses, the collective actions of individuals of a ... a). 303 2. GENERAL STATUS AND NEEDS The first issue is that of large statistical variances ... swimmers needs to be more carefully analyzed and verified. The problem of a mobile population moving ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 301–309 : Auteur(s): Macaulay, M.C.
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Joint Polish/American hydroacoustic survey of Elephant Island and the vicinity of King George Island, 1988
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. Additional special studies were done ... systematic manner and needs to be addressed to validate the results of any survey effort and to assist with ... prey as well as monitor distribution. These topics directly respond to identified CCAMLR data needs ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 357–377 : Auteur(s): Macaulay, M.C.
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Significant conservation benefits obtained from the use of a new fishing gear in the Chilean Patagonian toothfish fishery
. Informe final proyecto FIP 2001-31: 199 pp. (www.fip.cl). Moreno, C.A., J.A. Arata, P. Rubilar, R. Hucke ... for black-browed albatrosses breeding at the Ildefonso Archipelago, Chile. Polar Biol. 31 (2): 153 ... used for a long time. The operation of the new system also needs less crew than the traditional ... Diego Ramírez Archipelago this matter is one that needs further study to consider this aspect of the ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 79–91 : Auteur(s): Moreno, C.A., R. Castro, L.J. Mújica and P. Reyes
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Antarctic krill and ecosystem management – from Seattle to Siena
of MSY arises from the need to account for interactions between exploited stocks and other species ... foresaw the need to consider and monitor the effects of krill fi shing on krill stocks directly. Such ... interests of precaution, there was still suffi cient urgency attached to the need to manage krill ... attached to, and other considerations associated with, the need for krill management measures specifi ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 175–212 : Auteur(s): Miller, D.G.M
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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 on the ... . This paper examines some of the issues that need to be addressed by the Scientific Committee in ... need to be addressed. In summary, two important issues need to be addressed by WG-CEMP and WG-Krill ... Committee and Commission will need to examine other methods for protecting land- and sea-based predators ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 345–350 : Auteur(s): Constable, A.J.
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Consideration of major issues in ecosystem monitoring and management
Ocean resources and highlights the need for information on harvested and dependent species, their ... requirements of an ecosystem approach to the management of Southern Ocean resources and highlights the need ... large areas in search of food, should the need arise. In essence, their foraging is assumed to be ... spatial and temporal foraging behaviour. Spatially we need to consider both horizontal (geographical ... parameters. The CEMP parameters need to be considered independently in order to gain the maximum value ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 213–232 : Auteur(s): Everson, I
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A generalised model for evaluating yield and the long-term status of fish stocks under conditions of uncertainty
CCAMLR Science, Vol. 3 (1996): 31-54 A GENERALISED ... AHTKOMa. 31.n KpHTepklci OrpaHMYPiBalQT BePORTHOCTb MCTOUeHRR ~ e p e c ~ y ~ o ~ e f i 6cio~accb1 HHXe ... was thought to obviate the need for estimating the pre-explo i ta t ion s t a t u s of t h e popu ... , eliminating the need to project the stock forward one generation. In this formulation, each age class is ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 31–54 : Auteur(s): Constable, A. and W.K. de la Mare
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Utilising data from ecosystem monitoring for managing fisheries: development of statistical summaries of indices arising from the CCAMLR Ecosystem Monitoring Program
divergence need to be determined. Finally, steps for the further development of the CEMP indices are ... theory is given in Mardia et al., 1979). From the data we need to estimate the covariance matrix. If ... following characteristics of the dataset may need to apply. If all the parameters are highly correlated ... parameters need to be present for the full time series and the remainder should be present for not less ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 101–117 : Auteur(s): de la Mare, W.K. and A.J. Constable