Search results

1. Low breeding success of the Adélie penguin at Béchervaise Island in the 1998/99 season

   ( A P M S ) . Los promedios de la duracibn de 10s viajes de alimentaci6n se calcularon en base a1 promedio de cada ... . Los asteriscos indican temporadas malas. El exit0 reproductor se calcula cuando dos tercios de 10s ... . Los datos fueron recopilados por el sistema de seguimiento automatic0 de pingiiinos ... el promedio de 10s viajes individuales y el porcentaje de viajes de mas de 48 h de duracion. Los ... (Pygoscelis adeliae) at  Béchervaise Island during 1998/99, a season of low breeding success. Fifty-six ... percent of nests with eggs failed during the three weeks following first hatch. A breeding success of 0.43 ... reduced feeding frequency. These findings contrast with observations made in 1994/95 (a season in which ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 151–167 : Author(s): Irvine, L.G., J.R. Clarke and K.R. Kerry

2. Modelling and decision making as part of the CCAMLR management regime

   del ecosistema marine antartico, hacia los requisitos del Articulo II de la CCRVMA. Se han ... la abundancia de los depredadores en el sistema. Modelo teorico multi-especifico de simulacion de ... ETAPAS DE TIEMPO LIMITACIONES DATOS - 317 - Investigar los posibles mecanismos que influencian ... E PROPOSlTO Calculo de los niveles deseables de pesca estructurado por edad CcHculo de los los ... / Description:  This paper outlines a stylised scheme designed to address the multi-objective decision ... horizons, time steps, constraints and data) were identified in an attempt to provide a blueprint for the ... formulation of a suitable decision-making protocol for management purposes. File:  16-Miller.pdf ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 295-322 : Author(s): Miller, D.G.M.

3. Analysis of haul data from the South Georgia krill fishery

   pueden ser de utilidad para 10s fines de ordenacion, y por lo tanto un analisis adicional mas detallado ... el tiempo que se requiere para cada etapa de las operaciones pesqueras. En general el tiempo ... pesqueras. Las medidas confirman que la pesqueria de kril en Georgia del Sur se concentraba ... geograficamente en un area reducida de Georgia del Sur indica que 10s indices que se basan en las pesquerias ... 1994 and 1996 were examined and a range of descriptive measurements reflecting the fishery operation ... focused, operating in a limited area along the shelf edge on the northern coast of the island. Each day ... existed between years, with 1995 being a better season than either 1994 or 1996. Aspects of mesoscale ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 9–30 : Author(s): Trathan, P.N., I. Everson, E.J. Murphy and G.B. Parkes

4. A von Bertalanffy growth model for toothfish at Heard Island fitted to length-at-age data and compared to observed growth from mark–recapture studies

   parámetros de VB obtenidas de los datos de talla por edad y la versión de Fabens (1965) del modelo de ... por intervalo de tallas en la probabilidad del muestreo. La curva de VB ajustada a los datos de talla ... (MLP) para el muestreo VP y defi niendo las probabilidades relativas de los intervalos de tallas ... crecimiento de VB. Las fórmulas desarrolladas para ajustar el sesgo de los valores pronosticados por el ... Paper Title:  A von Bertalanffy growth model for toothfish at Heard Island fitted to length-at-age ... using a von Bertalanffy (VB) growth model taking into account response-biased sampling of fish that were ... used length-bin sampling involving a fixed sample size per bin. Estimation of the VB parameters used a ... selectivity alone. This was due to the feature of the selectivity function of a sharp decline from ‘full ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 43–66 : Author(s): Candy, S.G., A.J. Constable, T. Lamb and R. Williams

5. Factors affecting the incidental mortality of seabirds in the Dissostichus eleginoides fishery in the southwest Atlantic (Subarea 48.3, 1995 season)

   (Dissostichus eleginoides) en la Subarea 48.3, en la temporada de pesca de 1995. Los datos tienen su origen en ... observada en barcos con (N = 7) y sin (N = 6) l' ineas espantapajaros. Los valores corresponden a1 promedio ... D. eleginoides en la Subarea 48.3, entre marzo y mayo de 1995. Figura 3: Relacion entre el tamafio del anzuelo ... B ~ I ~ O P K Y IIPYCOB. Resumen En este trabajo se examina la mortalidad incidental de aves marinas registrada ... %.  A total of 56 seabirds captured during hauling operations and released alive was also recorded ... . aequinoctialis (8.9%). A study of the variables affecting incidental mortality shows that the distance from land ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 79–91 : Author(s): Moreno, C.A., P.S. Rubilar, E. Marschoff and L. Benzaquen

6. By-catch of fishes captured by the krill fishing vessel Chiyo Maru No. 2 in Statistical Area 58 (January to March 1995)

   para las observaciones de peces en la captura incidental. Los datos de captura secundaria del Chiyo ... captura incidental son amplios lo que sugiere que, en el futuro, se debieran muestrear m5s arrastres para ... kril. Los signos de interrogaci6n identifican las lagunas en la informacion y la palabra 'unclear' se ... de peces por hora de arrastre. Los intervalos de confianza de las estimaciones del promedio de la ... Statistical Area 58 (January to March 1995) Abstract / Description:  Armstrong (1995) presented a final report ... . Unfortunately, Armstrong's fish by-catch data were not presented in a standardised manner. This paper ... presents a brief re-analysis of the by-catch data collected on board the Chiyo Maru No. 2; means and ... Chiyo Maru No. 2 did not provide a clear picture of the reiationship between haul-specific fish by-catch ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 111–123 : Author(s): Watters, G

7. Areal and seasonal extent of sea-ice cover off the northwestern side of the Antarctic Peninsula: 1979 to 1996

   during years between periods of extensive ice cover decreased during the second half of the time series ... the second half of the time series. Maximum ice cover during the periods of extensive ice cover did ... mitad de la serie cronologica en los afios transcurridos entre 10s periodos de cubierta maxima de hielo ... cubieita de hielo en varios afios, lo que concuerda con la descripcion de Stamme john y Smith (1996) de la ... cubierta de hielo del Mar de Bellingshausen. En las primaveras de 1985,1990 y 1994 se dieron periodos ... . Se ha podido comprobar una gran variabilidad en el inicio, duration, extension y persistencia-de la ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 65–73 : Author(s): Hewitt, R

8. e-sc-xxi.pdf

   ... updated versions of the observer logbook forms and a cruise report format were placed on the CCAMLR ... to the time series of data available, and that there were no apparent differences between subareas within ... noted that the species profile and time-series data on C. gunnari, developed as part of the work of WG ... would be long-term time series of data on standing stock and indices such as condition index ... agreed to include a subitem on ‘Data Access’ under ‘Other Business’. With this change, the Agenda was ... vessels fishing for krill in Subarea 48.3. One international observer was present on board a ‘pot ... In March 2002 updated versions of the observer logbook forms and a cruise report format were placed ... international observer from Ukraine on board a US voyage in Area 48 submitted data from a krill fishery. An application/pdf attached to:SC-CAMLR-XXI

   Meeting Report : SC-CAMLR-XXI

9. Analysis and modelling of the Soviet Southern Ocean krill fleet, II: Estimating the number of concentrations and analytical justification for search data

   . Resumen En este documento, muestro como la informaci6n recopilada rutinariamente por los navlos de ... ) en una regi6n dada del oceano Austral. 283 284 Calculos de muestras se realizan usando datos ... investigaci6n puede usarse para estimar el numero de concentraciones de krill (Butterworth, 1988; Mangel, 1988 ... subrayan la necesidad de mantener un diario de navegaci6n ademas de un cuaderno de pesca para hacer ... of concentrations of krill (Butterworth, 1988; Mangel, 1988) in a given region of the Southern Ocean ... 1980s. These examples highlight the need for a navigational log as well as a fishing log in order to ... make accurate inferences. In the appendix, a method for correcting for the bias in the detection of ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 283–322 : Author(s): Mangel, M.

10. Long-term monitoring of krill recruitment and abundance indices in the Elephant Island area (Antarctic Peninsula)

    -calculated applying the delta distribution approach introduced by de la Mare (1994a). The high interannual ... approach introduced by de la Mare (1994a). The high interannual variability of krill recruitment ... Siegel, V., W. de la Mare and V. Loeb ... seuils de signification ajustes sont a' = 0,0039 pour a = 0,05 et a' = 0,0081 pour a = 0,lO. Tableau ... del kril en el area de la isla Elefante, para evaluar si 6sta (60'-62O30'S y 53"-57'30'W) es ... reclutamiento del kril. Se comparan 10s resultados para Siegel et al. ejemplares de uno y dos afios de ... estadisticamente significativas de la densidad del kril en el period0 comprendido entre 1977 y 1994, mediante el ...

    Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 19–35 : Author(s): Siegel, V., W. de la Mare and V. Loeb

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