Resultados de la búsqueda
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Defining smaller-scale management units to further develop the ecosystem approach in managing large-scale pelagic krill fisheries in Antarctica
managing large-scale pelagic krill fisheries in Antarctica Abstract / Description: This paper discusses ... predators’ needs when managing the fishery for Antarctic krill. It provides a theoretical foundation for ... fisheries on prey species, notably krill, in other harvesting units. The manner in which predator units can ... local populations of krill and the potential foraging densities of predators from within a harvesting ... APPROACH IN MANAGING LARGE-SCALE PELAGIC KRILL FISHERIES IN ANTARCTICA A.J. Constable and S. Nicol ... management units to take account of predators’ needs when managing the fi shery for Antarctic krill. It ... krill, in other harvesting units. The manner in which predator units can be used to help the CCAMLR ... general, the early acquisition of information on the distribution of local populations of krill and the ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 117–131 : Autor(es): Constable, A.J. and S. Nicol
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Status of krill target strength
Paper Title: Status of krill target strength Abstract / Description: Empirical estimates for the ... target strength of krill are extracted from publications. These are confined to measurements on ... recommendations are made for future, improved determinations of krill target strength. Based on the comparisons ... . Foote1, D. Chu2 and T.K. Stanton2 Abstract Empirical estimates for the target strength of krill are ... for future, improved determinations of krill target strength. Based on the comparisons, general ... acoustique du krill sont extraites des publications. Elles sont limitees aux mesures des concentrations ... la reponse acoustique du krill a l'avenir. Basees sur les comparaisons, les courbes generales de ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 101–126 : Autor(es): Foote, K.G., D. Chu and T.K. Stanton
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The sensitivity of multiple output statistics to input parameters in a krill–predator–fishery ecosystem dynamics model
Paper Title: The sensitivity of multiple output statistics to input parameters in a krill ... within CCAMLR to evaluate options for managing the Antarctic krill fishery in the Scotia Sea and southern ... recruitment through pre-recruit mortality. A parameter mediating the effect of a forcing function on krill ... provide advice to CCAMLR on the spatial allocation of the Antarctic krill catch limit for the Scotia Sea ... to represent the krill stock, its predators and fishery within the small-scale management units ... , 2005, 2006, 2007a). These uncertainties concern the movement of krill between areas and the ... sensitivity of predator reproduction to variations in krill abundance. The alternative scenarios were an ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 97–118 : Autor(es): Hill, S.L. and J. Matthews
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Spatial distribution of management measures, Antarctic krill catch and Southern Ocean bioregions: implications for conservation planning
Paper Title: Spatial distribution of management measures, Antarctic krill catch and Southern ... between habitat (bioregion), existing spatial management and Antarctic krill catch in the Southern Ocean ... distribution of catch within the open fraction. For example, only 26% of the total area open to krill fishing ... ): 1–19 1 SPATIAL DISTRIBUTION OF MANAGEMENT MEASURES, ANTARCTIC KRILL CATCH AND SOUTHERN OCEAN ... ), existing spatial management and Antarctic krill catch in the Southern Ocean. The analysis required ... within the open fraction. For example, only 26% of the main area open to krill fishing has been fished ... bioregionalisa- tion as an indicator of habitat, and catch data for Antarctic krill, Euphausia superba ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 1–19 : Autor(es): Grant, S.M., S.L. Hill and P.T. Fretwell
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Methodological guidelines on the assessment of trawl catchability of krill by means of statistical modelling
Paper Title: Methodological guidelines on the assessment of trawl catchability of krill by means ... the relative effectiveness of krill fishing gear by means of statistical modelling. The Monte-Carlo ... krill fishing. However, on its own the Monte-Carlo method does not provide a complete solution to the ... for the process of entrapment of krill by the net; this permits the rigorous mathematical formulation ... THE ASSESSMENT OF TRAWL CATCHABILITY OF KRILL BY MEANS OF STATISTICAL MODELLING Z.I.Kizner (U. S ... of krill fishing gear by means of statistical modelling. The Monte-Carlo method, which is described ... stochastic systems, including the assessment of the effectiveness of trawl nets used in krill fishing ... process of entrapment of krill by the net; this permits the rigorous mathematical formulation of the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 195-222 : Autor(es): Kizner, Z.I.
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Krill fishing in the Scotia Sea in relation to bathymetry, including the detailed distribution around South Georgia
Paper Title: Krill fishing in the Scotia Sea in relation to bathymetry, including the detailed ... distribution around South Georgia Abstract / Description: Analyses of the distribution of krill fishing based ... results are discussed in relation to the ecology of krill and the fishery's interaction with local ... CCAMLR Science, Vol. 4 (1997): 1-17 KRILL FISHING IN ... Cambridge CB3 OET, United Kingdom Abstract Analyses of the distribution of krill fishing based on fine ... valleys. The results are discussed in relation to the ecology of krill and the fishery's interaction with ... local predator colonies. Resume Les analyses de la repartition de la p@che de krill fondees sur des ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 1–17 : Autor(es): Murphy, E.J., P.N. Trathan, I. Everson, G. Parkes and F.H.J. Daunt
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Variations in echosounder calibration with temperature, and some possible implications for acoustic surveys of krill biomass
implications for acoustic surveys of krill biomass Abstract / Description: Accurate estimation of krill ... is calibrated regularly at South Georgia before and after krill surveys there, and exhibits temporal ... -reported by 2.8 dB, leading in turn to an under-estimation of krill biomass by 52.5%. Every effort should ... OF KRILL BIOMASS A.S. Brierley, C. Goss, J.L. Watkins and P. Woodroffe British Antarctic Survey ... Abstract Accurate estimation of krill biomass by acoustic techniques is dependent on a number of factors ... after krill surveys there, and exhibits temporal stability in system gain settings. Between Antarctic ... under-estimation of krill biomass by 52.5%. Every effort should therefore be made to ensure that ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 273–281 : Autor(es): Brierley, A.S., C. Goss, J.L. Watkins and P. Woodroffe
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Sensitivity investigation of the SDWBA Antarctic krill target strength model to fatness, material contrast and orientation
Paper Title: Sensitivity investigation of the SDWBA Antarctic krill target strength model to ... TS of Antarctic krill (Euphausia superba) for use in the acoustic echo-integration method. In this ... variability of krill in the area of investigation. In a multifrequency context, the girth–length relationship ... INVESTIGATION OF THE SDWBA ANTARCTIC KRILL TARGET STRENGTH MODEL TO FATNESS, MATERIAL CONTRASTS AND ... predict the TS of Antarctic krill (Euphausia superba) for use in the acoustic echointegration method ... seasonal variability of krill in the area of investigation. In a multifrequency context, the girth–length ... improved package. Keywords: Antarctic krill, multifrequency acoustics, target strength, SDWBA model ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 97–122 : Autor(es): Calise, L. and G. Skaret
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Analysis of haul data from the South Georgia krill fishery
Paper Title: Analysis of haul data from the South Georgia krill fishery Abstract / Description ... : Data from individual hauls carried out by vessels operating in the South Georgia krill fishery between ... were produced. The measurements emphasise that the krill fishery at South Georgia was geographically ... DATA FROM THE SOUTH GEORGIA KRILL FISHERY P.N. Trathan, I. Everson and E.J. Murphy British Antarctic ... out by vessels operating in the South Georgia krill fishery between 1994 and 1996 were examined and a ... emphasise that the krill fishery at South Georgia was geographically focused, operating in a limited area ... ayant pi3che le krill pres de la Georgie du Sud entre 1994 et 1996 et presentation d'une serie de ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 9–30 : Autor(es): Trathan, P.N., I. Everson, E.J. Murphy and G.B. Parkes
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Chilean krill fishery: analysis of the 1991 season
Paper Title: Chilean krill fishery: analysis of the 1991 season Abstract / Description: This ... data and its use in studying small-scale spatial distribution of catches. The results show that krill ... WG-KRILL-9l/39 CHILEAN KRILL FISHERY: ANALYSIS OF THE ... fina. Los resultados muestran que la pesca de krill en la Subarea 48.1 es intensa cerca de las ... . 2. GENERAL CHARACTERISTICS OF THE CHILEAN FISHERY The Chilean krill fishery has operated, except ... subarea (Figure 1). The catch is used in the production of feed either as frozen krill or meal. For that ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 273–287 : Autor(es): Marín, V.H., A. Mujica and P. Eberhard