Résultats de la recherche
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Is the attempt to estimate the biomass of Antarctic fish from a multi-species survey appropriate for all targeted species? Notothenia rossii in the Atlantic Ocean sector – revisited
Paper Title: Is the attempt to estimate the biomass of Antarctic fish from a multi-species survey ... was one of the first conservation measures adopted by CCAMLR. Fish biomass within a CCAMLR subarea or ... . rossii, at the same time. These surveys are conducted under the assumption that the target fish species ... . 1994. Fish stock assessment survey in Subarea 48.3. Document WG-FSA- 94/18. CCAMLR, Hobart, Australia ... Science, Vol. 11 (2004): 141–153 141 IS THE ATTEMPT TO ESTIMATE THE BIOMASS OF ANTARCTIC FISH FROM A ... adopted by CCAMLR. Fish biomass within a CCAMLR subarea or part of a subarea is commonly estimated from ... on catch data from scientifi c surveys conducted around South Georgia (Figure 1) in 1985 (Kock ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 141–153 : Auteur(s): Kock, K.-H., M. Belchier and C.D. Jones
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Analysis of results from demersal fish surveys at South Georgia, undertaken by the United Kingdom and the USSR, January and February 1990
Paper Title: Analysis of results from demersal fish surveys at South Georgia, undertaken by the ... discussions and analyses of the data from a survey from MV Hill Cove in January 1990 and RV Akademik Knipovich ... WG-FSA-90/13 ANALYSIS OF RESULTS FROM DEMERSAL FISH ... analyses of the data from a survey from MV Hill Cove in January 1990 and RV Akademik Knipovich in ... stock existant de Champsocephalus gunnari. Ce document decrit les differentes manieres selon lesquelles ... biomass estimates for the major fish stocks at South Georgia. Dr Shust reported that the Akademik ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 223–254 : Auteur(s): (Report of a Joint UK/USSR Workshop, 23 to 27 July 1990)
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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 ... Statistical Division 58.5.1) Abstract / Description: ‘POKER 2006’, a bottom trawl fish biomass survey, was ... value (124 000 tonnes). The fish biomass was distributed between the shelf and the deep sea. However ... ; the data on the latter are new. Data on the geographic and bathymetric distribution of the species ... considerable amount of time since the previous survey (1987/88), no exist- ing data on fish species ... the plots of additional depth contour data from longline fish- ing cruises were used for the ... provided new data on fish distribution. In particular, new aggrega- tions of species have been discovered ... , ABUNDANCE AND DISTRIBUTION OF FISH IN THE KERGUELEN ISLANDS EEZ (CCAMLR STATISTICAL DIVISION 58.5.1) G ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 1–32 : Auteur(s): Duhamel, G. and M. Hautecoeur
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Ageing two myctophid fishes using otolith from king and macaroni penguins in the Marion Island and its implication to feeding preference of penguins on those myctophids
inconsistent. Moreover, the data on trophic relationship between penguins and myctophid fishes are scarce, so ... that otolith section can be used to discriminate the fish species. The coefficient of variation (CV ... Document Release Consent: No Delegation responsibility for releasing documents: China ... Abstract: Myctophids apparently represent the second largest (after krill) and most widely ...
Meeting Document : WG-FSA-18/74 : Auteur(s): M. Duan, G.P. Zhu, A. Makhado and L. Wei
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A review of the trophic role of mesopelagic fish of the family Myctophidae in the Southern Ocean ecosystem
Paper Title: A review of the trophic role of mesopelagic fish of the family Myctophidae in the ... myctophids demonstrate that this group of mesopelagic fish plays a significant role in the community of ... TROPHIC ROLE OF MESOPELAGIC FISH OF THE FAMILY MYCTOPHIDAE IN THE SOUTHERN OCEAN ECOSYSTEM A.N. Koz.10 ... demonstrate that this group of mesopelagic fish plays a significant role in the community of Southern Ocean ... volume of data which is currently assisting not only in determining the main ecological characteristics ... position of mesopelagic fish in the trophic structure of the Southern Ocean, as well as to identify and ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 71–77 : Auteur(s): Kozlov, A.N
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Conditions for the precise measurement of fish target strength in situ
Abstract: Conditions for precise measurement of in situ fish target strength (TS) are empirically ... studied and two indexes are introduced for this purpose. One is the number of fish in the effective ... values TS measurement will be successful. The effectiveness of both indexes is confirmed by the data set ... obtained from one large same fish school in the eastern shelf of Bering sea during the intership ...
Meeting Document : WG-Krill-94/35 : Auteur(s): K. Sawada and M. Furusawa (Japan), N.J. Williamson (USA)
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Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longlines
Paper Title: Comparison of two methods to assess fish losses due to depredation by killer whales ... depredation occurs on fish in the marine environment. This is the case for killer whales (Orcinus orca) and ... to 2013), accounting for spatial variations of depredation levels. In the first method, fishing data ... when assessing fish stocks, fishery economics and/or conservation of odontocetes. File: Gasco et ... landed fish biomass data both in the absence and the presence of odon- tocetes were not available in all ... quotas (Roche et al., 2007). Like in most other fisheries, fish stocks tar- geted by longlining (and ... used in other locations or fisheries to assess depreda- tion levels when targeted fish species are ... related biological data from the French Southern Ocean fisheries monitoring scientific programs. Muséum ...
Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 1–14 : Auteur(s): Gasco, N., P. Tixier, G. Duhamel and C. Guinet
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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 ... around South Georgia. Due to the small data base and the scarcity of comparative information the state of ... /BG/12 1985 ESTIMATES OF FISH STOCK BIOMASS AROUND SOUTH GEORGIA IN JANUARY/FEBRUARY 1985 ... Abstract Catch data from a bottom trawl survey in January/February 1985 have been used to estimate stock ... Georgia. Due to the small data base and the scarcity of comparative information the state of N. guntheri ... Published information on fish biomass in the Southern Ocean is still very limited, The "swep t area ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 1-32 : Auteur(s): Kock, K.-H.
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Fish stock assessment survey in Subarea 48.3
Paper Title: Fish stock assessment survey in Subarea 48.3 Abstract / Description: A demersal ... fish survey in the vicinity of South Georgia, CCAMLR Subarea 48.3, is described. Details are given of ... ). An age/length key was prepared using age data derived from otoliths. Unfortunately, no fish of ... therefore adjusted the age/length key prepared from the raw data by allocating fish of length 18 and 19 cm ... . Document WG-FSA-91/29. Hobart, Australia: CCAMLR. PARKES, G. 1991a. The UK fish stock assessment survey ... . Representative length and age distributions from random stratified demersal fish surveys. Document WG-FSA-91/19 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 25–67 : Auteur(s): Everson, I., G. Parkes, K.-H. Kock, S. Campbell, Z. Cielniaszek and J. Szlakowski
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Some notes on by-catch of fishes and salps caught by the fishery vessel Niitaka Maru in the vicinity of the South Shetland Islands (January to February 1999)
Abstract: Scientific observations on fishes and salps incidentally caught during commercial krill ... fisheries by F/V Niitaka Maru were made from 3 January to 4 February 1999 in the vicinity of the South ... hauls and those estimated value was 20 to 3560 ind./t of krill. By-catch fishes fed on Thysanoessa ... macrura and Euphausia superba was not found in their stomachs. Abundance of salps in krill catches could ...
Meeting Document : WG-EMM-00/54 : Auteur(s): T. Iwami, S. Kawaguchi and M. Naganobu (Japan)