Resultados de la búsqueda
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Observations on the diet of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR Statistical Subarea 88.1)
Abstract: The diet of Antarctic toothfish Dissostichus mawsoni captured by bottom longline in the ... fishing seasons. Fish sampled in 2001 were caught in 317-2154 m depths and ranged in length from 58–190 cm ... total length (TL) while fish sampled in 2002 were caught in 815-1623 m depths and ranged in length from ... 62–197 cm TL. A high proportion of stomachs sampled were empty (34% in 2001 and 49% in 2002) and the ...
Meeting Document : WG-FSA-02/15 : Autor(es): J.M. Fenaughty, D.W. Stevens and S.M. Hanchet (New Zealand)
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Antarctic neritic krill Euphausia chrystallorophias: spatio-temporal distribution, growth and grazing rates
Abstract: Dynamics of distribution, growth, life span and feeding were studied in the endemic ... Antarctic euphausiid Euphausia crystallorophias in the central part of the Indian sector of the Southern ... Ocean during the austral summer, from 1977 to 1990, and in the Lazarev Sea during the summer 1990/91 ... . Both larvae and adult E.crystallorophias were found in abundance in shelf waters of 100-500 m depth ...
Meeting Document : WG-Joint-94/10 : Autor(es): E.A. Pakhomov (Ukraine) and R. Perissinotto (South Africa)
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INVESTIGATING LENGTH AT MATURITY OF ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) BASED ON SCIENTIFIC OBSERVERS’ DATA
Abstract: Through generalised linear models, the gonadosomatic index of Antarctic toothfish in ... observers’ staging data were highlighted and GSI is recommended as a better indicator of maturity status in ... vitellogenic fish with low GSI values, in some cases below 1%. In most studies there was little if any ... difference in the GSI values of fish at different maturity stages. However these studies were carried out on ...
Meeting Document : WG-FSA-08/48 : Autor(es): S. Mormede, S. Parker and P. Grimes (New Zealand)
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Dynamics of Notothenia rossii rossii size-age structure on the Kerguelen Islands shelf
Islands shelf in the period from 1970 to 1991, dynamics of size- age structure of marbled rockcod ... the data collected in the joint Soviet-French expedition on board RTMA Orlinoye in May-Jine 1991 were ... used to characterise the age composition. It was determined that in the initial years of exploitation ... a result of fisheries, the share of the fish spawning for the first time increased considerably in ...
Meeting Document : WG-FSA-94/04 : Autor(es): P.B. Tankevich (Ukraine)
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e-cc-vii-aH.pdf
... ON OBSERVATION AND INSPECTION In accordance with the recommendation of the Sixth Meeting of the ... provisions pursuant to Article XXIV of the Convention to verify compliance with measures in effect under the ... and inspectors referred to in Article XXIV of the Convention. (a) Designated observers and ... . (d) Observers and inspectors shall be able to communicate in the language of the Flag State of the
application/pdf attached to:SCOI-88
Meeting Report : SCOI-88
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Temperature-dependent growth of Thysanoessa macrura: inter-annual and spatial variability
which vary in space and time. Because species specific responses in growth rates to environmental ... variability may affect populations through changes in reproductive potential, measuring spatial and temporal ... variability in growth rates of highly abundant zooplankton is critical to predict the impact of climate change ... apart to estimate growth rates of one the most euphausiids in the Southern Ocean, Thysanoessa macrura ...
Meeting Document : WG-EMM-13/39 : Autor(es): R.M. Driscoll, C.S. Reiss and B.T. Hentschel (USA)
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e-sc-xi-a8.pdf
... Requirement of Predators 1. Krill Escapement In the past there has been some confusion concerning the ... of the ad hoc discount factor d in its calculation of krill yield which, by implication, takes some ... account of the amount of krill needed to escape from the fishery in order to meet predator demands. WG ... -Krill has noted that such demands would to a large extent be implicitly assumed in the krill natural
application/pdf attached to:WG-KRILL/CEMP-92
Meeting Report : WG-KRILL/CEMP-92
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e-cc-xv-a4.pdf
... Chairman noted that in adopting its own agenda, the Commission had referred a new matter ‘Proposed ... funds towards the removal costs. Although the Secretariat has not yet had a full year in its new ... interviewing the best candidates in November with a view to making a final decision at that time. The ... acceptance of the financial statements as presented in CCAMLR-XV/3. The Committee noted that 121 the
application/pdf attached to:SCAF-96
Meeting Report : SCAF-96
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e-cc-vii-aE.pdf
... acquisition and disposal of assets by the Commission during the year ending 31 December 1987 have been in ... statements by the Auditor. 5. The Committee agreed that in accordance with Financial Regulation 12.1, the ... Secretariat for its management of the appropriations, noting that significant savings had been achieved in ... from an error in currency conversion. The Chilean contribution is now paid in full. The Argentine
application/pdf attached to:SCAF-88
Meeting Report : SCAF-88
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A three-frequency method to determine the abundance and the size of two euphausiid species (Euphausia superba and Euphausia crystallorophias)
role in the Ross Sea pelagic ecosystem (Marr, 1962; Azzali et al., 1999). To estimate the abundance of ... obtain information about the mean size (length) of the organisms in each aggregation. In principle the ... , and directly from net samplings. The mean size of the crustaceans can be estimated from “in situ ... catches. Unfortunately the precision and credibility of this method are often insufficient when applied in ...
Meeting Document : WG-EMM-01/63 : Autor(es): M. Azzali, J. Kalinowksi, G. Lanciani and I. Leonori (Italy)