Résultats de la recherche
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Validation of sink rates of longlines measured using two different methods
Paper Title: Validation of sink rates of longlines measured using two different methods Abstract ... / Description: Sink rates of integrated weight longlines (lines with 50 g.m –1 lead integrated into two strands ... of the ground line – IW-50 lines) were measured during commercial fishing operations using two ... , for measuring sink rates to shallow depths when instant readings were required. TDRs can be used to ... temperature where they soaked for at least 30 minutes before being deployed. Since the TDRs may hang on the ... deployment of an instrument about 30 s before it passed through the setting chute. The observer positioned ... depths, average sink rates of the TDRs were obtained for four target depths: 2, 5, 10 and 20 m. It was ... 0.239 ± 0.016 m.s–1 to 20 m and were thus 30% slower than those measured to 20 m (Table 1). This ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 179–187 : Auteur(s): Wienecke, B. and G. Robertson
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The winter distribution of Adélie and chinstrap penguins from two breeding colonies in the South Shetland Islands of Antarctica
five chinstrap and six Adélie penguins from two breeding colonies in the South Shetland Islands ... penguins from a breeding site in Admiralty Bay, King George Island (62° 10’ S, 58° 30’ W) were instrumented ... with satellite tags in early March 2000, following their annual molt; similarly, two birds were tagged ... ). All five chinstrap penguins were tracked for a minimum of three months each, while one bird was ...
Meeting Document : WG-EMM-02/55 : Auteur(s): S.G. Trivelpiece and W.Z. Trivelpiece (USA)
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Two records of seabird entanglement at Casey, Antarctica
Author(s): Delegation of Australia Title: Two records of seabird entanglement at Casey ...
Meeting Document : SC-CAMLR-IX/BG/20 : Auteur(s): Delegation of Australia
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Density estimation of Antarctic krill (Euphausia superba) around South Shetland Island and Elephant Island (Subarea 48.1) using two frequencies with 38 and 120 kHz
software for swarm identification) and interval method based on distribution of (a) total krill AT and (b ... Elephant Island peripheries and the west and north of the South Shetland Island, was estimated using an ... acoustics survey. Acoustic data were collected using two frequencies with 38 and 120 kHz from March 8 to 15 ... . Han, W. Oh, D. An and K. Lee Title: Density estimation of Antarctic krill (Euphausia superba) around ...
Meeting Document : SG-ASAM-2019/03 Rev. 1 : Auteur(s): S. Choi, S. Chung, I. Han, W. Oh, D. An and K. Lee
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Analyse des menaces potentielles de la pêche pour les objectifs de l'AMP proposée pour la région de la mer de Ross
des paragraphes b et c de l'Article II 3). La pêche peut également menacer les objectifs ...
Meeting Document : SC-CAMLR-IM-I/09 : Auteur(s): Delegations of New Zealand and the USA
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Winter distribution of chinstrap penguins from two breeding sites in the South Shetland Islands of Antarctica
annual molt; similarly, two birds were tagged at their breeding site on Cape Shirreff, Livingston Island ... that 4 of the birds instrumented in the 2000 winter, two from each colony, foraged largely on the shelf ... eight chinstrap penguins known to breed at one of two colonies in the South Shetland Islands, Antarctic ... (620 28’ S, 600 46’ W). Chinstrap penguins were tracked successfully for one to six months following ...
Meeting Document : WG-EMM-06/17 : Auteur(s): W.Z. Trivelpiece, S. Buckelew, C. Reiss and S.G. Trivelpiece (USA)
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Fish in the diet of the blue-eyed shag Phalacrocorax atriceps at the South Shetland Islands: six years of monitoring studies
collected at two localities of the South Shetland Islands. The comments are mainly focused on Gobionotothen ... gibberifrons and Notothenia rossii, species of particular interest for CCAMLR. Notothenia rossii appeared in ... trends but, overall, the contribution of these two species to the diet of the Blue-eyed Shag remains low ... Abstract: In this document we inform on the results of six years monitoring changes in the diet ...
Meeting Document : WG-EMM-96/31 : Auteur(s): Barrera-Oro, E., Casaux, R.
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Fishing ground selection in the Antarctic krill fishery: trends in patterns across years, seasons and nations
of high krill density observed by scientific surveys, and possible reasons for this mismatch are ... further discussed. A revised format for data submission is suggested in order to accommodate possible ... years, seasons and nations Abstract / Description: Patterns of fishing ground selection were ... remained relatively constant in Subareas 48.2 (March–May) and 48.3 (June–August). In 25 years of krill ... Science, 3: 13–30. Hewitt, R.P., D.A. Demer and J.H. Emery. 2003. An eight-year cycle in krill biomass ... seasons and calendar years: CCAMLR fishing seasons start on 1 December and end on 30 November. For ... period. All data points were assigned to SSMUs (Figure 1). For the 10 n mile x 10 n mile or 30 n mile x ... , beginning operations late in the 1999/2000 fish- ing season. For the first two seasons, it only oper- ated ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 117–141 : Auteur(s): Kawaguchi, S., S. Nicol, K. Taki and M. Naganobu
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Analysis of the Chilean operation in the Antarctic krill fishery, years 2017/18
-2018), which was mainly destined towards testing its fishing systems and new equipment installed for ... by the Chilean krill fishing ship Antarctic Endeavour throughout its first year of operation (2017 ... Document Release Consent: No Delegation responsibility for releasing documents: Chile ... captured krill are recorded per trip and Subarea. Additionally, information is given on the yield obtained ...
Meeting Document : WG-EMM-2019/09 : Auteur(s): P.M. Arana and R. Rolleri
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A three-frequency method to determine the abundance and the size of two euphausiid species (Euphausia superba and Euphausia crystallorophias)
the austral summer, in absence of darkness. There are two methods for “in situ” target strength ... problems, since the first Italian expedition to the Ross Sea (1989-90), a two – frequency method for the ... abundance of the two populations can be estimated by single-frequency acoustics, using the standard echo ... an echo coming from an isolated organism, with no interference from noise or other targets. It means ...
Meeting Document : WG-EMM-01/63 : Auteur(s): M. Azzali, J. Kalinowksi, G. Lanciani and I. Leonori (Italy)