Resultados de la búsqueda
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Exploratory analysis of acoustic data from the Ross Sea
conducting acoustic surveys for toothfish and rattails in the Ross Sea. Acoustic data were collected using a ... files), the file was corrupted (1 file), or the longline was lost so there were no corresponding catch ... . All line recordings were in water over 1000 m deep. Because of the spreading of the acoustic beam, the ... . Two types of pelagic layers were present in most acoustic recordings: a dense shallow layer between 30 ...
Meeting Document : WG-FSA-SAM 03/9 : Autor(es): R.L. O’Driscoll and G.J. Macaulay (New Zealand)
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Report on attendance at the Sixth Meeting of the Committee for Environmental Protection Under the Madrid Protocol
Abstract: This report outlines the participation of the SC-CAMLR Chair in the Sixth Meeting of ... (with those organizations) to seek a common approach as to how special protection for species in the ... Protected Species in the Antarctic marine environment could be addressed”. However, the CEP did not agree to ... Conservation of Antarctic Seals in the case of seals, or other organizations where appropriate”. (b) The CEP’s ...
Meeting Document : CCAMLR-XXII/BG/11 : Autor(es): Chair of the CCAMLR Scientific Committee
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SUMMARY OF VME NOTIFICATIONS MADE UNDER CONSERVATION MEASURES 22-06 AND 22-07
marine ecosystems (VMEs) are described in Conservation Measures (CM). Notifications are made under CM 22 ... -07 in the case of encounters with potential VMEs during the course of bottom fishing, and under CM 22 ... -06 in other cases such as during research surveys. Notifications are held in the Secretariat’s VME ... arising from research surveys (CM 22-06): 17 notifications in Subarea 48.1; 13 notifications in Subarea ...
Meeting Document : WG-EMM-11/07 : Autor(es): Secretariat
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Preliminary assessment of the exploratory fishery for Dissostichus spp. on BANZARE Bank (Division 58.4.3b), based on the analysis of fine-scale catch and effort data
Abstract: In 2006 the CCAMLR scientific committee noted several features of exploratory ... Dissostichus fisheries in the southern Indian Ocean (58.4) which gave cause for concern as to the status of the ... resource in this area, and the lack of a scientific basis for setting catch limits in these areas (SC-CAMLR ... XXV, paragraphs 4.184-4.192). In its management advice for this and other exploratory fisheries, the ...
Meeting Document : WG-FSA-07/44 : Autor(es): J.P. McKinlay, D.C. Welsford, A.J. Constable and G.B. Nowara (Australia)
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ON THE STRATOSPHERE OZONE DISTRIBUTION ASYMMETRY POSSIBLE IMPACT ON KRILL BASED ECOSYSTEM
considerable zonal asymmetry in total ozone distribution over Antarctica due to the planetary waves in a polar ... stratosphere is observed last decades. As was shown by authors earlier in the latitudinal interval of 55-75°S ... in Antarctic spring months (Sep-Nov) the minimum of quasi-stationary wave (QSW) in total ozone ... productive krill population region, and QSW maximum- in the Ross Sea area and Australian sector. We expect ...
Meeting Document : WG-EMM-09/36 : Autor(es): G. Milinevsky (Ukraine)
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Summary of VME notifications made under Conservation Measures 22-06 and 22-07
Abstract: In accordance with conservation measures (CM) in force, Members are required to notify ... ). Notifications are made either under CM 22-07 in the case of encounters with potential VMEs during the course of ... bottom fishing, or under CM 22-06 in other cases such as during research surveys. The Secretariat ... received a total of 30 notifications of encounters with VMEs in 2008/09 arising from research surveys (CM ...
Meeting Document : WG-EMM-10/07 : Autor(es): Secretariat
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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)