Search results
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Research currently being undertaken by the Republic of South Africa on "dependent and related species" within the Antarctic marine ecosystem
~,e,nch Institut(? of the Universit~ of' Pretoria SP@nd UF' to three mont.h~; each Year in the Antarctic ... then several Pro,iects have been completed and a number <0re st i I I in Pros1·es-s. Re~;earctl Priorities ... -111 111onltorin!:I of these seal POPUiation~ tlnou!:lh an intensive te!i"-Elin!:I Pro'!:lram111e ... on seabirds within the SotJth African National Antat'ctic Pro9ramme is carried out b::i the Percy ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 59-77 : Author(s): South Africa
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Homogeneity of Adélie penguins as krill samplers
of penguins due to factors like sex, age, weight, etc. REFERENCES BLISS, C.J. 1967. Statistics in Biology ... 41.60 32.16 2 66 23/1/90 40.48 26.84 2 70 31/1/90 43.79 20.32 3 19 09/1/90 39.07 13.19 3 27 31/1/90 ... 39.98 27.10 4 30 09/1/90 42.65 14.75 4 25 19/1/90 32.11 31.78 5 41 18/1/90 40.02 15.18 5 39 24 ... /1/90 29.09 19.62 6 66 05/1/90 41.30 26.93 6 73 29/1/90 40.34 17.07 7 42 07/1/90 44.67 21.47 7 63 ... significantly different from zero (F = 0.093; P = 0.54).This finding supports the argument for using individual ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 253–257 : Author(s): Marschoff, E. and B. Gonzalez
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Differentiation of independent populations of Antarctic krill
population structure is needed to establish sound management of krill fisheries. A short review is undertaken ... . On the basis of the review, it is suggested that there is probably one composite population of E. superba ... of krill population structure is needed to establish sound management of krill fisheries. A short review ... circulation. On the basis of the review, it is suggested that there is probably one composite population ... to establish sound management 'of krill fisheries. A short review is undertaken of recent studies in genetic ... and morphophysiological variability of krill and Antarctic water circulation. On the basis of the review ... - DIFFERENTIATION OF INDEPENDENT POPULATIONS OF THE ANTARCTIC KRILL In recent years, several countries (Poland ... and in the waters of the coastal current between the zero meridian and 30 o E. The larvae hatched in the Weddell ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 275-281 : Author(s): USSR
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Hook selectivity in the longline fishery of Dissostichus eleginoides (Nototheniidae) off the Chilean coast
on Chilean fisheries of the Patagonian toothfish, Dissostichus eleginoides is reviewed in order to study ... , Dissostichus eleginoides is reviewed in order to study selectivity of different types and sizes of hooks used ... ~-------------------------------------------- 40 30 20 10 0 40 50 40 30 20 10 500-2000 m (Females) 50 60 70 80 500-2000 ... m ( Moles) 90 .. = hook size 3 & 4 [Z] = hook size 14/0 I 100 1 10 1 20 130 1 40 150 1 60 1 70 1 80 ... lorsqu'on augmente la taille des hame90ns droits (de 4 a 3, par ex.) ou lorsqu'on passe d'hame90ns droits ... 130 140 150 50 60 70 80 90 100 110 120 130 140 12 14 12 10 1001-2000 1001-2000 n=62 10 n=55 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 107–119 : Author(s): Moreno, C.A.
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Variations in condition indices of mackerel icefish at South Georgia from 1972 to 1997
80-Jan 81 No sample (Feb 81 normal) Nov 82 Nov 83-Jan 84 Nov-Dec 85 No sample Sept 87 June 90 ... , in peak years yielding a total catch of over 100 000 tonnes (Kock, 1992). They feed predominantly ... they may account for 20% of the total mass (Kock, 1992; Everson et al., 1996). Arising from this, we ... recognise that this is a very simplified view, however it is based on t l ~ e extensive review by Love ... predominantly on krill. An index of condition which uses the ratio of the measured total mass to the estimated ... in krill availability. Condition index provides a useful proxy for krill density and is likely to be ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 119–132 : Author(s): Everson, I. and K.-H. Kock
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Survey of Antarctic fur seals in the South Shetland Islands, Antarctica, during the 1986/87 austral summer
pinnipeds were tallied by species, with no differentiation made between age and sex classes except for fur ... over the past 80 years, with the first post-exploitation record of successful pup production being ... b 3aHl1MaT b CTapble 3ane)KKl1 - nocne KOMMepqeCKOH :llKCnJlyaTa/.{l1l1 Bl1~a B XIX BeKe. EbInO ... 3apel'l1CTpl1pOBaHO ABeHa~/.{aT b m;eHHblx 3ane)KeK; 0 HeKOTopblX 113 Hl1X paHee He co06m;anoc b. KpYllHeHume ... sites for combined fur seal and penguin monitoring activities, as part of the CCAMLR Ecosystem ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 427-440 : Author(s): Bengtson, J.L., L.M. Ferm, T.J. Härkönen, E.G. Schaner and B.S. Stewart
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Biomass of myctophids in the Atlantic sector of the Southern Ocean as estimated by acoustic surveys
'S and between 20°30' and 26°30'W was surveyed from 20 February to 2 March. Secondly, the area with coordinates ... 51°30' to 55°00'S and 8°00' to 18°30' (Figure 7) was surveyed from 20 March to 2 April ... 3X03anHCH ,l(HCKpeTHbiX CTatf MHKTO
H,l( (49°00' IO.W., 41 °30' 3 . .l(.), 22 ,l(eKa6pSI 1987 ... WG-FSA-90/19 BIOMASS OF MYCTOPHIDS IN THE ATLANTIC ... Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 417–431 : Author(s): Filin, A.A., K.V. Gorchinsky and V.M. Kiseleva
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Target strengths of krill at 136 and 20 kHz
Paper Title: Target strengths of krill at 136 and 20 kHz Abstract / Description: Estimation ... the mean single-krill target strengths range from-71 to-77 dB at 20 kHz. Trawl hydroacoustic method ... Target strengths of krill at 136 and 20 kHz ... lengths from 43 to 47 mm the mean single-krill target strengths range from -71 to -77 dB at 20 kHz. Trawl ... : • frequency 20 kHz: aluminium, diameter 120 mm, TS = -30.92 dB • frequency 30 kHz: brass, diameter 100 mm, TS ... :20 1.3 -74.3 -75.4 53.9 3.9 1.19 20:30 0.14 -77.5 -69.0 54.2 5.7 1.23 Maude Rise area (February ... Encaged krill 136 TS = 0.39L - 86.50 (4) 0.87 Encaged krill 20 TS = 1.27L - 131.30 (5) 0.84 Trawl ... % 24 21 18 15 I2 . 9 6 3 0 10 20 30 40- 50 Figure 1. Krilllength composition. South ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 141–157 : Author(s): Kasatkina, S.M.
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Histological study on the ovarian development of mackerel icefish (Champsocephalus gunnari) from the South Georgia Islands
and 20 to 1 050 g respectively. The age groups of the specimens ranged from two to five years ... , estimated from the age/length key presented in Barrera-Oro et al. (1994a). The ovaries were first fixed ... , 2985. Stockholm, Sweden: 357-372. Barrera-Oro, E.R., E.R. Marschoff and R.J. Casaux. 1994a. Age ... U I L I P O K O M C ~ O J I ~ ~ Y ~ M O $ ~ MaKpo~K~nki~e~Kofi IIIKaJIe (T.e. Ha6nlone~kie HeBOOPYXeHHbIM ma30M). n e p ~ b l e Macchi ... identified, and these are similar to those described for other species. A gonad maturation scale for studies ... described macroscopically for various species of Channichthyidae. Stage six includes ovaries undergoing ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 35–49 : Author(s): Macchi, G.J. and E.R. Barrera-Oro
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Krill biomass assessment in Statistical Area 48 from the RV AtlantNIRO data - Autumn 1989/90
1989/90 Abstract / Description: A krill biomass census survey was carried out at two fishing grounds ... Krill biomass assessment in Statistical Area 48 from the RV AtlantNIRO data - Autumn 1989/90 ... WG-KRILL-90/21 KRILL BIOMASS ASSESSMENT IN STATISTICAL ... AREA 48 FROM THE RV ATLANTNIRO DATA - AUTUMN 1989/90 A.C. Fedotov* * Abstract A krill biomass ... consisting of two parts; the northern (55° to 600 S; 32° to 18°W) and southern (60° to 67°S; 20° to 18 ... was 60 miles by latitude and longitude and during the second survey it was 30 miles by latitude and 40 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 115–121 : Author(s): Fedotov, A.C.