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Modelling variability and estimating power to detect change in Adélie penguin fledgling weights
Paper Title: Modelling variability and estimating power to detect change in Adélie penguin ... fledgling weights Abstract / Description: Statistical models of variation in Adélie penguin fledgling ... weight data were used to examine the power to detect a change in fledgling weights after an impact. The ... the number of birds weighed in each five-day period from 50 to 30 without substantial loss of power ... la puissance de détection. Si cela était réalisable, ces conclusions pourraient s’avérer des plus ... variation des données de poids de jeunes manchots Adélie en mue ont servi à examiner la puissance de ... cinq jours, correspondant à la période de pointe moyenne de la première mue et que le poids des ... jeunes en mue est susceptible de répondre à la disponibilité des ressources en tant que changement en ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 191–200 : Автор(ы): Emmerson, L.M., C. Southwell and J. Clarke
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Analysis of variability of krill size and fish by-catch in the Japanese krill fishery based on scientific observer data
Paper Title: Analysis of variability of krill size and fish by-catch in the Japanese krill ... and haul) based on a state–space model, separating biological process error in the population dynamics ... from fishery process as observation error. In both krill length and by-catch fish number, the ... variability in the size structure of the krill population, which is presumably derived from large variability ... are shown in Figure 1 (krill length) and Figure 2 (number of by-catch fish). A summary de- scription ... In the Antarctic, there is much concern about the impact of climate change on biodiversity, species ... variability on the calculation of sustainable yield be undertaken (SC-CAMLR, 2010). In order to allow the ... surveys using scientific research vessels in the Antarctic has a range of practical and economic ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 31–47 : Автор(ы): Okuda, T. and M. Kiyota
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Estimates of fish stock biomass around South Georgia in January/February 1985
Paper Title: Estimates of fish stock biomass around South Georgia in January/February 1985 ... Abstract / Description: Catch data from a bottom trawl survey in January/February 1985 have been used to ... reduction in stock size to 10 – 20% of that estimated before the onset of heavy fishing. In C. gunnari the ... CCAMLR in 1984 are discussed. Their effect on a recovery of the stocks seems, however, doubtful. File ... . ESTIMATIONS DE LA BIOMASSE DE POISSONS AUTOUR DE LA GEORGIE DU SUD EN JANVIER/FEVRIER 1985 Resume Les ... donnees de prises a partir d'une etude par chalut de fond en janvier/fevrier 1985 ont servi a evaluer la ... biomasse, autour de la Georgie du sud, des especes suivantes exploitees sur le plan commercial: Notothenia ... aceratus et Pseudochamichthys georgianus. Vu la netite base de donnees et le peu de renseignements compar ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 1-32 : Автор(ы): Kock, K.-H.
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Statistical power to detect changes in growth rates of Antarctic fur seal pups
Paper Title: Statistical power to detect changes in growth rates of Antarctic fur seal pups ... changes (between years) in pup growth rates, the loss of power associated with obtaining weight samples on ... only three dates in a season, and potential means of increasing the power of the CCAMLR Ecosystem ... Monitoring Program Standard Method C1 (B). Using estimates of variance in pup weights obtained at Seal Island ... femelles de 1'lIe Seal. Si la periode de pesee est limitee a environ 60 jours, une legere augmentation ... pesos de los cachorros fue 2.336, el promedio para las hembras en la Isla Seal. Si el periodo para ... crecimiento), en la habilidad para detectar los cambios. AI igual que Figura 1, el in dice de nulidad de ... annees) dans les taux de croissances des jeunes, la perte d'efficacite liee au fait que les ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 399–409 : Автор(ы): Boveng, P., J.L. Bengtson and M.E. Goebel
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Composition and characteristics of ichthyofauna in pelagic waters of South Georgia (Subarea 48.3)
Paper Title: Composition and characteristics of ichthyofauna in pelagic waters of South Georgia ... trawl census surveys conducted in Subarea 48.3. From 1984 to 1990 daily sampling stations aimed at ... ichthyocenosis in the subarea consisted of pelagic fishes (mainly Myctophidae), distributed at a depth range of ... 250 to 300 m, as well as demersal fishes in the pelagic stage of their life cycle. Catches contained ... pelagiques, stratifiees au hasard et menees dans la sous-zone 48.3. De 1984-1990, des echantillonnages ... verticales de quelques-unes des especes les plus abondantes. L'etude porte sur la distribution horizontale ... et la composition en longueurs des poissons, ainsi que sur une comparaison de la distribution du ... krill et des juveniles de Champsocephalus gunnari. La composante pelagique de l'ichtyocoenose de la ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 125–164 : Автор(ы): Frolkina, G.A., M.P. Konstantinova and I.A Trunov
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Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and South Orkneys
Paper Title: Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and ... . Krill catches in these zones are shown to have a consistent pattern in Subarea 48.1 but an unpredictable ... distribution in Subarea 48.2, probably as a result of more variable hydrographic conditions. About 50% of the ... catch in Subarea 48.1 from December to March was taken within 40 km of the coast, and 90% within 80 km ... . Dans ces zones, les captures de kriU presentent une tendance reguliere dans la sous-zone 48.1 mais ... hydrographiques plus variables. 50% environ de la capture de la sous-zone 48.1 de decembre a mars avait ete ... effectuee a moins de 40 km de la cote, et 90% a moins de 80 km de 1988 a 1990. En 1987 et 1988, de decembre ... a mars, 75% de la capture de la sous-zone 48.2 provenait d'un rayon de 80 km autour des colonies ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 287–303 : Автор(ы): Agnew, D.J.
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Changes in the fish biomass around Elephant Island (Subarea 48.1) from 1976 to 1996
Paper Title: Changes in the fish biomass around Elephant Island (Subarea 48.1) from 1976 to 1996 ... Abstract / Description: Finfish stocks in the Antarctic Peninsula region (Subarea 48.1) were exploited ... from 1978/79 to 1988/89, with most of the commercial harvesting taking place in the first two years of ... the fishery. Results of bottom trawl surveys conducted by Germany in the vicinity of Elephant Island ... did not have the benefit of in situ trawl monitoring equipment (see Williams and de la Mare, 1995 ... 'Anthrtida 86111, Biologia pesquera. In: Resultados de la Campaiia 'Anthrtida 8611'. Publicaciones ... especies capturadas durante la campafia 'Anthrtida 8611'. In: Actas del Segundo Simposia Espafiol de ... . de la Mare. 1995. Fish distribution and biomass in the Heard Island Zone (Division 58.5.2). CCAMLR ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 165–189 : Автор(ы): Kock, K.-H
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Catch per unit effort and proportional recruitment indices from Japanese krill fishery data in Subarea 48.1
fishery data in Subarea 48.1 Abstract / Description: Proportional recruitment indices and CPUE in Subarea ... . CPUE (catch/towing volume) in the Livingston Island area showed a decreasing trend during the study ... period. The use of different fishing strategies in response to a demand for higher product quality and a ... general decrease in krill density in the study area were considered as possible reasons for this. On the ... secteur de I'ile Livingston montre une tendance 2 la baisse pendant ia periode d'etude. I1 semble que ... class in the stock (de la Mare, 1994). Length of age 2+ groups were identified according to the length ... . Resume Calcul des indices de recrutement proportionnel et de la CPUE dans la sous-zone 48.1 (region de ... la peninsule Antarctique) de 1980 B 1996 d'apres les donnees provenant des carnets de bord des ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 47–63 : Автор(ы): Kawaguchi, S., T. Ichii and M. Naganobu
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Biomass, abundance and distribution of fish in the Kerguelen Islands EEZ (CCAMLR Statistical Division 58.5.1)
Paper Title: Biomass, abundance and distribution of fish in the Kerguelen Islands EEZ (CCAMLR ... conducted from September to October 2006 in the northern part of the Kerguelen Plateau (CCAMLR Statistical ... Division 58.5.1). The swept-area method was used in the depth range from 100 to 1 000 m with 207 random ... , their biomass during the period between the two surveys. In addition to the commercial species ... , 1995), in particular for C. gunnari (de la Mare et al., 1998) and by-catch species of the trawl ... ), Ministère de l’Agriculture et de la Pêche and the French ship owners involved in the Southern Ocean ... Inst. Zool. Leningrad, 127: 38–68 (in Russian). Constable A.J., R. Williams and W.K. de la Mare ... de la biomasse de poissons « POKER 2006 », a été réalisée par chalutages de fond de septembre à ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 1–32 : Автор(ы): Duhamel, G. and M. Hautecoeur
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An iterative model to construct an age/length key to assess the age composition of a new fishery for Dissostichus eleginoides in Chilean waters
new fishery for Dissostichus eleginoides in Chilean waters Abstract / Description: Traditional ... frecuencia de longitud y matriz de clasificacion P(i/j). Si la especie no sufre alteraciones importantes en ... de la captura de Merluccius australis. En prensa. WESTRHEIM, S.J. and RICKER, W.E. 1978. Bias in ... CLA VE EDAD-LONGITUD PARA ESTIMAR LA COMPOSICION DE LA CAPTURA POR EDAD EN LA PESQUERIA INCIPIENTE ... using traditional methods. Resume La mortalite naturelle (M) de Dissostichus eZeginoides a ete ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 11–20 : Автор(ы): Robotham, V. H. and Z. Young U.
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