Resultados de la búsqueda
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Fishery Report: Dissostichus eleginoides (TOP) Crozet Island inside the French EEZ (Subarea 58.6)
, with a mode at approximately 70–80 cm at the beginning of the series, and 55–80 cm in recent seasons ... Appendix L Fishery Report: Dissostichus eleginoides (TOP) Crozet Island inside the French EEZ ... (Subarea 58.6) CONTENTS Page 1. Details of the fishery ... of the longline fishery ....................................................... 4 4. Stock ...
Document : Site Section: Publications
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BEACH DEBRIS SURVEY AT CAPE SHIRREFF, LIVINGSTON ISLAND, DURING THE ANTARCTIC SEASON 1996/97
removed from the animals after being immobilized with a piece of net obtained from the stranded garbage ... Abstract: During the Antarctic season 1996/97 a beach debris survey was carried out on the ... plastic pieces to avoid that tllis material may enter the CEMP Site during storms and windy weather. As it ... occurred in all previous seasons with monitoring activities, plastic was the principal item (1517 pieces ...
Meeting Document : CCAMLR-XVI/BG/35 : Autor(es): Delegation of Chile
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Killer whale (Orcinus orca) and sperm whale (Physeter macrocephalus) interactions with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic
with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic Abstract ... 169 to 2 150 m. Most effort was concentrated along the 1 000 m depth contour. Sperm whales were the ... most abundant marine mammal observed in the vicinity of vessels when lines were being hauled, being ... present during 24% of hauling observations. Killer whales, the second most frequently sighted cetacean ... the mid-point between the start and end positions, were plotted for the selected voyages using GIS ... with the vessels, temporal patterns and the effect on catch rates. After the 2000 season, in order to ... occasions that killer whale interactions became less frequent after sunset, but this was not always the ... ) INTERACTIONS WITH LONGLINE VESSELS IN THE PATAGONIAN TOOTHFISH FISHERY AT SOUTH GEORGIA, SOUTH ATLANTIC M.G ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 111–126 : Autor(es): Purves, M.G., D.J. Agnew, E. Balguerías, C.A. Moreno and B. Watkins
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Distribution and relative abundance of Antarctic toothfish (Dissostichus mawsoni) on the Ross Sea shelf
the Ross Sea shelf Abstract / Description: This paper summarises knowledge of the distribution and ... relative abundance of Antarctic toothfish (Dissostichus mawsoni) on the Ross Sea shelf (defined here as the ... continental shelf out to the edge of the shelf break at about 600–800 m depth). The focus is on D. mawsoni ... catches from the shelf, as this area is likely to have the greatest overlap between D. mawsoni and ... end positions of the set as recorded in C2 data. Results Ross Sea fishery Details of the ... 38 52.7 1.39 0.53 1 An additional New Zealand vessel completed three sets at the end of the season ... location was changed by several kilometres after the 2000 fishing season due to changes in fast-ice ... toothfish catches seen at McMurdo Sound after the fishing location had changed. Testa et al. (1985) showed ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 33–51 : Autor(es): Hanchet, S.M., S. Mormede and A. Dunn
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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 ... paper summarises Chilean catch data for 1991. Special emphasis is given to the analysis of haul-by-haul ... data and its use in studying small-scale spatial distribution of catches. The results show that krill ... -per-day was 108 tonnes, a maximum of 160 tonnes was obtained at the end of the season. A total of 419 ... both variables "dies out" after five hauls, suggesting that on average the vessel move away from a ... patch after five hauls. This result was independent of the area fished, suggesting that although there ... WG-KRILL-9l/39 CHILEAN KRILL FISHERY: ANALYSIS OF THE ...
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
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The use of analysis of penguin stomach contents in simultaneous study of prey and predator parameters
Paper Title: The use of analysis of penguin stomach contents in simultaneous study of prey and ... sensitive to the statistical assumptions made during the analysis of data. The nested ANOVA method is ... proposed as being the correct approach for analysis because lack of independence between krill specimens ... found in the stomach of a given penguin prevents the pooling of krill lengths from different samples ... WG-CEMP-89/16 THE USE OF ANALYSIS OF PENGUIN STOMACH ... Size selectivity of krill by penguins is shown to be highly sensitive to the statistical assumptions ... made during the analysis of data. The nested ANOVA method is proposed as being the correct approach ... for analysis because lack of independence between krill specimens found in the stomach of a given ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 367–375 : Autor(es): Marschoff, E. and B. González
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Fatty acid and stable isotope analyses to infer diet of Antarctic toothfish caught in the southern Ross Sea
in the southern Ross Sea Abstract / Description: To infer important prey resources for Antarctic ... toothfish (Dissostichus mawsoni) in the southern Ross Sea, their lipid composition was determined and ... compared to lipid profiles of fish and invertebrate species taken as by-catch in the fishery or collected ... from the stomachs of toothfish. Stable carbon and nitrogen isotope ratios were also determined to ... at 1 000 m. Survey area was in the south of SSRUs 881J and L (after Hanchet et al., 2012). 60 °S ... the six stations which could not be completed due to bad weather and time constraints at the end of ... the survey (after Hanchet et al., 2012). 170°00'E 175°00'E ... was added to the mixture. Enough voltexing was undertaken after capping under nitrogen, and then the ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 21–36 : Autor(es): Jo, H.-S., I. Yeon, C. Lim, S.M. Hanchet, D.-W. Lee and C.-K. Kang
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Spatially explicit population dynamics models for Antarctic toothfish in the Ross Sea region
Paper Title: Spatially explicit population dynamics models for Antarctic toothfish in the Ross ... Sea region Abstract / Description: Population modelling software was developed that captures the ... dynamics of spatial heterogeneity of the population along with age structure, movement and reproductive ... models were developed for the Antarctic toothfish (Dissostichus mawsoni) population in the Ross Sea ... (i,j) for category k at age l at the end of the 100th year of the second initialisation phase, and ... a3 the respective value at the end of the 101st year. (Note that perfect con- vergence would result ... proportional to the number in each age and category of untagged fish in each cell, after applying double ... here represented the model that when fitted had the lowest objective function value, after taking ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 19–37 : Autor(es): Mormede, S., A. Dunn, S. Hanchet and S. Parker
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Towards the development of a management plan for mackerel icefish (Champsocephalus gunnari) in Subarea 48.3
Paper Title: Towards the development of a management plan for mackerel icefish (Champsocephalus ... gunnari) in Subarea 48.3 Abstract / Description: Management of the mackerel icefish (Champsocephalus ... gunnari) at South Georgia is complicated by the likelihood of substantial periodic variations in natural ... outlines a scheme which would use information from studies on krill and predators undertaken as part of the ... the ratio of the median stock biomass after exploitation to the median stock biomass in the absence ... median level at the end of the run. Detailed examination of stock trajectories indicated that most of ... median SSB at the end of the 10-year fishing period is 75% of the median in the absence of exploitation ... CCAMLR Science, Vol. 5 (1998): 63-77 TOWARDS THE ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 63–77 : Autor(es): Agnew, D.J., I. Everson, G.P. Kirkwood and G.B. Parkes
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An impact assessment framework for bottom fishing methods in the CAMLR Convention Area
Paper Title: An impact assessment framework for bottom fishing methods in the CAMLR Convention ... Area Abstract / Description: This paper presents a methodological framework to estimate the likely ... cumulative impact on fragile benthic organisms from bottom fishing activity. The approach has been designed ... preliminary assessment of bottom fishing impacts for the 2008/09 toothfish longline fishery. This paper ... likely to be dif- ficult to discern after the fact. The need to make decisions in such a data- poor ... end of the line) and calculation of the backbone footprint based on actual length. Considerations ... single year after which the area was not revis- ited. In contrast, core areas are repeatedly targeted ... backbone after the line has settled on the sea floor. Research to test this assumption, e.g. using ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 195–210 : Autor(es): Sharp, B.R., S.J. Parker and N. Smith