Résultats de la recherche
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Longline sink rates of an autoline vessel, and notes on seabird interactions
, direct observations at sea indicated that weights did have an effect on line sink for 20–40 m either side ... cinerea) accounted for 90% of the observed incidental catch; of which 90% were foul hooked rather than ... , and relative proportion of each species present. A large proportion of the seabirds present at any one ... benefit because of ineffective range, and the mono-colour vision. Author(s): N.W.McL. Smith (New Zealand ...
Meeting Document : WG-FSA-01/44 : Auteur(s): N.W.McL. Smith (New Zealand)
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Improvements to the multiple-frequency method for in situ target strength measurements
% of multiple targets while allowing 90% of the resolvable single-targets to be measured Author(s ... synchronized signals from two or more adjacent split-beam transducers of different frequencies which are not ... range resolution of one or more of the frequencies. These improvements are demonstrated through ... transducer. Tolerances for matching target positions at two or more frequencies were determined to be ±0.5 m ...
Meeting Document : WG-EMM-99/38 : Auteur(s): D.A. Demer (USA) and M.A. Soule (South Africa)
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Proposal for a longline survey on toothfish in Statistical Subarea 48.6 in 2017/18
and acoustic techniques. The proposed research is pertinent to issues raised by the Scientific ... . This initial year will be used for exploration with particular emphasis on tagging efforts and habitat ... collaborating members. In 2018 a new Norwegian fishing vessel will be available, equipped with advanced ... South Africa. In future years the aim is to expand the investigation and involve additional ...
Meeting Document : WG-FSA-17/61 Rev. 1 : Auteur(s): Delegation of Norway
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Products for human consumption from krill (Euphausia superba)
months at-30°C and one month at-20°C. Dried krill of good quality could be prepared by blanching krill in ... fish burger, it gave a bitter after taste at 10% level and bitter taste at 20% level or above. The ... swelling property of the fish wafer was affected by the incorporation of krill mince. Author(s): J. Joseph ...
Meeting Document : WG-EMM-98/41 : Auteur(s): J. Joseph, V. Muraleedharan, R. Thankamma and C.N. Ravishankar (India)
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The foraging range of Adelie penguins – implications for CEMP and interactions with the krill fishery
continental shelf. Observations at Casey and Dumont D039;Urville from one season suggest such an overlap may ... not occur at these sites in normal ice years. It is suggested that an understanding of the potential ... a decision is taken to establish new CEMP sites. Author(s): Rodary, D., Thomson, R., Tremont, R ... ., Lawless, R., Gardner, H., Wienecke, B., Clarke, J.R., Kerry, K.R., Corsolini, S., Eberhard, S. Title: The ...
Meeting Document : WG-EMM-96/69 : Auteur(s): Rodary, D., Thomson, R., Tremont, R., Lawless, R., Gardner, H., Wienecke, B., Clarke, J.R., Kerry, K.R., Corsolini, S., Eberhard, S.
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Population change in gentoo penguins Pygoscelis papua at South Georgia: potential roles of adult survival, recruitment and deferred breeding
one year, and for part of the differences in two other years, when mortality rates must also have been ... years were associated with reduced availability of krill, one with very cold winter and spring ... higher. In the remaining year, when the increase in population greatly exceeded the preceding decrease ... variations introduced by good and bad years (as classified on the basis of breeding success). There is ...
Meeting Document : WG-CEMP-93/08 : Auteur(s): J.P. Croxall and P. Rothery (United Kingdom)
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La pêche à la légine australe (Dissostichus eleginoides) à Kerguelen (secteur Indien de l'océan Austral)
Islands zone for 20 years, firstly with trawlers and more recently with longliners. It is the oldest ... australe (Dissostichus eleginoides) à Kerguelen (secteur Indien de l039;océan Austral) Approval ... fishing vessels. Author(s): C. Lord, G. Duhamel et P. Pruvost (France) Title: La pêche à la légine ...
Meeting Document : WG-FSA-05/27 : Auteur(s): C. Lord, G. Duhamel et P. Pruvost (France)
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Downward adjustments to local catch limits for the krill fishery in Subarea 48.1
limits is only one component of the overall FBM strategy we are proposing for Subarea 48.1. Author(s ... adjustments to local catch limits as one component of a larger strategy for feedback management (FBM) of the ... adult survival rates are greater than 90%. We then fitted a Bayesian model to estimates of cohort ... strength and observations on breeding phenology for Adélie, chinstrap, and gentoo penguins. Mean age at ...
Meeting Document : WG-EMM-16/46 : Auteur(s): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries
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Report on the effectiveness of integrated weight (fast sinking) longlines in reducing the mortality of white-chinned petrels and sooty shearwaters in autoline longline fisheries
sooty shearwaters (Puffinus griseus) killed by unweighted longlines (UW; mean sink rate to 20 m depth ... for each pair of magazines or lines by counting dead birds during line hauling. In 2002 80 white ... -chinned petrels were caught on UW lines compared to one white-chinned petrel on IW; the reduction in ... : 0.11 m/s) and longlines containing 50 g lead/m integrated weight (IW; mean sink rate: 0.24 m/s) was ...
Meeting Document : WG-FSA-04/72 : Auteur(s): G. Robertson (Australia), N. Smith (New Zealand), B. Wienecke and S. Candy (Australia)
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Fishing of the Patagonian toothfish (Dissostichus eleginoides) by the Chilean fleet (1991/92) in the Subarea 48.3 (South Georgia Island) and proposed TAC for the 1991/1993 season
the location of the hauls two separate fishing grounds could be clearly distinguished: the first one ... , the fleet caught around 80% of the TAC set for this subarea. The catch and effort data and the ... at the north of South Georgia Island, including Black and Shag rocks, and the second one at the South ... using two methodological approaches: pseudo-cohort analysis and DeLury’s method. The total catch ...
Meeting Document : WG-FSA-92/24 : Auteur(s): P.A. Espina, M.A. Araya and V.V. Meniconi (Chile)