Résultats de la recherche
-
Biomass of myctophids in the Atlantic sector of the Southern Ocean as estimated by acoustic surveys
concentrations of myctophids as long bands or spots (isolated schools) with a height of up to 30 m (Figures 1 ... concentrations of myctophids in the form of elongated strips were found in the waters of the Frontal Zone ... 47° and 56°S and between 8° and 44°W in the period 30 January to 10 April. The bulk of the biomass ... surveyed in two stages. Firstly, the area from 51 °30' to 56°00'S and between 20°30' and 26°30'W was ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 417–431 : Auteur(s): Filin, A.A., K.V. Gorchinsky and V.M. Kiseleva
-
Australian research on Antarctic bird and seal diets
Davis Station (68°30'S:77°50'E), in the south-eastern corner of the Prydz Bay Priority Area of CEMP ... from these studies. 2. SUMMARY OF FINDINGS 2.1 Adelie Penguin Location: Davis Station (68°30'S ... ): Euphausia crystallorophias 4 4 Euphausia superba 2 4 Fish 28 Amphipods 4 Location: Davis Station (68°30 ... .36±1 .83 Location: Davis Station (68°30'S: 77°50'E) Ti me: January to February 1984; October 1984 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 231-249 : Auteur(s): Williams, R.
-
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
° – 30 ° Fa lk la nd Is la nd s/ Is la s M al vi na s S ou th G eo rg ia E le ph an t ... Elephant Island. Catches of the species have been small (<50 kg/ 30 min) with the exception of one or two ... hauls yielding 500–1 000 kg/30 min or more (Balguerías, 1989; Everson, 1997; Everson et al., 1991 ... . Trawling time was, with few exceptions, 30 min (period during which the net was on the bottom). Hauls of ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 141–153 : Auteur(s): Kock, K.-H., M. Belchier and C.D. Jones
-
Results of a longline survey on seamounts in the southeast Atlantic and in Subarea 48.6 and Division 58.4.4
); and (iii) Ob Bank (52"30'S, 41°30'E) and Lena Bank (53"0OrS, 44'15'E) (Division 58.4.4). A total ... Lepidonotothen larseizii Raja faaf Lithodidae Date 27/10/97 28/10/97 30/10/97 30/10/97 31/10/97 1/11 ... 0107 1814 1903 1917 1944 1832 1844 Date 28/10/97 29/10/97 30/10/97 31/10/97 1/11/97 2/11/97 ... seafloor (set 14). The results also corroborate the tendency of D. eleginoides to form aggregations, as ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 99–116 : Auteur(s): López Abellán, L.J. and J.F. González Jiménez
-
Catch per unit effort (CPUE) data from the early years of commercail krill fishing operations in the Atlantic sector of the Antarctic
Expedition 1977/78 of the Federal Republic of Germany. Arch. FisclzWiss., 30: 1-119. Kawaguchi, S., T ... hours for the split-year (1 July to 30 June); (iii) mean monthly catch/hour for the split-year ... 1 102 191 2 861 198 126 6 418 360 419 7 795 566 213 5 611 277 30 A similar situation was ... areas compared to oceanic areas. Commercial krill aggregations in the shelf zone usually form and ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 31–50 : Auteur(s): Siegel, V., V. Sushin and U. Damm
-
Discrimination of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) using otolith morphometrics
knowl- edge gaps. Otoliths form M. whitsoni and M. caml cannot be distinguished from simple observation ... and can live to at least 27 years, M. caml takes more than 30 years Table 4: Discriminant analysis ... species and sex, grouped into ten equal-width bins (centre value of bin shown on x-axis). 60 50 40 30 ... – male M. whitsoni – female M. caml – male M. caml – female 60 50 40 30 20 10 0 N um be r o ...
Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 15–28 : Auteur(s): Pinkerton, M.H., C. Ó Maolagáin, J. Forman and P. Marriott
-
Fishing intensity of the Soviet fleet in krill fisheries in the southern Atlantic (Subareas 48.2 and 48.3)
was 30%. In April 1988 the fi shery took 19.7% of the available krill within the fi shing area. This ... 48.2 did not exceed 19.8 ± 4.8% at the same assumption of 30% bias of the fl eet operation area ... intensity 36.4 ± 6.7% was observed in July 1989, when a large number of vessels (25–30 trawlers) operated ... 5 ± 0 .0 16 5. 5 Ju ne 6. 8 19 5 65 2 87 7 0. 11 5 ± 0 .0 30 0 ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 15–35 : Auteur(s): Kasatkina, S.M. and V.F. Ivanova
-
Selectivity of standard Polish commercial trawl codends on Antarctic fishing grounds
asegurar la selectividad a un nivel aceptable parece ser posible aplicando un tejido con las mallas ... an arithmetic mean from 30 random mesh measurements. The frequency of measurements was the following ... 8 6 4 5 5 2 Trawling time (h) total 2035 18 00 1000 1450 10 30 3 50 per haul 234 300 230 258 206 ... 3.3 2.8 2.2 2.9 2.5 2.3 Mesh size During use Wet After 3 h After 15 h After 30 h 91.2 90.0 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 107-142 : Auteur(s): Zaucha, J.
-
An assessment of CCAMLR measures employed to mitigate seabird mortality in longlining operations for Dissostichus eleginoides around South Georgia
britannique a et6 place a bord d'un palangrier chilien, le Cisne Verde, pechant dans la sous-zone 48.3 de la ... . For sampling units, the mother line was divided into lengths of 30 coils using sequences of three ... marked connecting lines. At the start of hauling, four 30-coil lengths were randomly selected for ... . Setting operations with a streamer line were randomly allocated to 15 of the 30 nights planned for the ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 217–230 : Auteur(s): Ashford, J.R. and J.P. Croxall
-
A declining trend in the abundance of Notothenia rossii marmorata and Notothenia gibberifrons observed in fjords in two sites in the South Shetland Islands
70, en localidades cercanas, en las islas Shetland del Sur. Este fen6meno puede ser interpretado ... series at Potter Cove (1983). Around Half Moon I., the proportion of N. rossii marmorata obtained by ... . The data series obtained at Potter Cove seems to start after the onset of a declining trend (Figure 2 ... 64° 62° ~ ..... t>-'f-.~ \)~ s«..t>- ~\,~~{) r:,~~ .,~~ r:,Ov .~ p. ~ .~ • .'\/J \r ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 263–274 : Auteur(s): Barrera-Oro, E. and E. Marschoff