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Distribution and size of Antarctic krill (Euphausia superba Dana) in Polish commercial catches taken in the Atlantic sector of the Southern Ocean from 1997 to 1999
Paper Title: Distribution and size of Antarctic krill (Euphausia superba Dana) in Polish ... commercial catches taken in the Atlantic sector of the Southern Ocean from 1997 to 1999 Abstract ... / Description: The distribution and internal structure of commercial krill concentrations were investigated in ... the areas of the South Shetland, Elephant, South Georgia and South Orkney Islands in the spring and ... in one concentration can be as dense as 30 000 specimens per m-3 of water (Hamner et al., 1983 ... observed in the South Orkneys area. It must be emphasised that in the years immediately pre- ceding these ... February to April in all areas and years. However, density decreased after this period. The monthly ... it was recorded in April in each of the three consequent years of this study. Vertical Migration ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 83–105 : Автор(ы): Jackowski, E
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Seasonal and inter-annual variability in the distribution of Electrona carlsbergi in the southern Polar Front area (the area to the north of South Georgia is used as an example)
Paper Title: Seasonal and inter-annual variability in the distribution of Electrona carlsbergi in ... / Description: From 1987 to 1989 VNIRO (USSR) conducted six trawl and acoustic surveys in the area to the north ... inter-annual variability in distribution, density and biomass of the most abundant species of myctophids ... , Electrona carlsbergi, are analyzed and summarized in this paper. The species is also known to form large ... in this area on board RV Vozrozhdenie. They worked for almost two years from October 1987 to June ... time, E. carlsbergi concentrations were most frequently recorded in the eastern sector of the area (30 ... -acoustic surveys, carried out in different seasons and years, showed that at any given moment from 0.5 to ... ). \ , \ , .\ .. ' ;.! \ \ .' \ ------\ \. \ \ \ Figure 10: Echocharts of E. carlsbergi concentrations in the evening (19:00 to 20:00) at depths of 40 to ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 337–367 : Автор(ы): Kozlov, A.N., K.V. Shust and A.V. Zemsky
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A review of data on abundance, trends in abundance, habitat use and diet of ice-breeding seals in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop)
Paper Title: A review of data on abundance, trends in abundance, habitat use and diet of ice ... -breeding seals in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop) Abstract ... / Description: The development of models of marine ecosystems in the Southern Ocean is becoming increasingly ... . Collating data from disparate sources, and understanding biases or uncertainties inherent in those data, are ... in ear- lier surveys). Shipboard survey methods were the same as those used in previous years. The ... previous years appears in Erickson and Hanson (1990), as summarised below. The main features of the ... seals, the proportion of seals underwater around so- lar midday in the summer months is between 20 ... pack-ice in winter for periods of up to 30 days, but returned to the stable fast-ice to haul out ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 49–74 : Автор(ы): Southwell, C., J. Bengtson, M. Bester, A.S. Blix, H. Bornemann, P. Boveng and M. Cameron, J. Forcada, J. Laake, E. Nordøy, J. Plötz, T. Rogers, D. Southwell, D. Steinhage, B.S. Stewart and P. Trathan
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CPUE indices used in Soviet krill fishery statistics from 1977 to 1992 and their possible utility for evaluation of relative changes in krill biomass
Paper Title: CPUE indices used in Soviet krill fishery statistics from 1977 to 1992 and their ... possible utility for evaluation of relative changes in krill biomass Abstract / Description: Key catch-per ... -unit-effort (CPUE) indices used in Soviet krill fishery statistics, as well as the main sources of data ... fluctuations in haul duration due to the different fishing strategies used when targeting krill intended for ... 0 2 4 6 8 10 12 14 16 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Catch per vessel ... be 20% or more (Anon., 2001). Another, much smaller, peak in Figure 5 is associated with 8–12 hauls ... 1986 to 1991 (RIF statistics). 0 5 10 15 20 25 30 35 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ... . 71 52 88 1 51 7 0. 20 66 14 0. 66 49 94 30 1 - - - - - - 24 . Su ba re ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 165–177 : Автор(ы): Litvinov, F.F., A.Z. Sundakov and V.I. Arkhipov
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Characteristics of krill aggregations in the South Sandwich Islands subarea in January–February 2000
Paper Title: Characteristics of krill aggregations in the South Sandwich Islands subarea in ... February 2000 it was observed that krill was present in non-aggregated and scattered forms, as well as in ... swarms. Differences between spatial distribution patterns of different krill aggregation forms in ... characteristics of some 2 400 krill swarms detected in the study area were sized acoustically and are described in ... were dominant in the zones of high density (over 20 g m-2) observed there. Vertical Distribution of ... le 1 : Pr in ci pa l p ar am et er s of th e m id w at er tr aw l P T 7 2/ 30 8 ... recent years (March 1983 and March–April 1990). A comparison of krill distri- bution patterns in ... 59°S 60°S 61°S 200 g m-2 20 g m-2 2 g m-2 0.2 g m-2 31°W 30°W 29°W ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 145–164 : Автор(ы): Kasatkina, S.M., A.P. Malyshko, V.N. Shnar and O.A. Berezhinsky
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Optimization of survey sampling design in the detection of interannual variability and prey size selectivity in the diet of penguins
Paper Title: Optimization of survey sampling design in the detection of interannual variability ... and prey size selectivity in the diet of penguins Abstract / Description: Based on the preliminary ... results of a survey of prey size in Adélie penguins, sampling designs intended for the detection of inter ... -annual variations in mean prey size and penguin size-related selectivity were analyzed in order to find ... ), comparison between years results naturally in a new level added at the top. Exact F tests are obtained ... penguins sampled each day, c?oCY is the variance component of "dates-in-years" group, nD is the number ... confidence intervals respectively: = 2.63 ~ 3 = 25.03 :::; 26 A 10% change in the mean of two years ... interval for ai resulted in n=16. This value defines the size of sub-samples at the year level assuring ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 551–559 : Автор(ы): Marschoff, E. and B. Gonzalez
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Experimental evaluation of the effectiveness of weighting regimes in reducing seabird by-catch in the longline toothfish fishery around South Georgia
Paper Title: Experimental evaluation of the effectiveness of weighting regimes in reducing ... seabird by-catch in the longline toothfish fishery around South Georgia Abstract / Description: A series ... of experiments was carried out in February 1999 at South Georgia (Subarea 48.3) to examine the ... attached at 40 m intervals on a Spanish-rigged longline. There was a significant reduction in bird ... required by the conservation measure (6 kg at 20 m intervals) was derived from a study of bird strikes in ... which has participated in the longline fishery around South Georgia for the past several years, and ... EVALUATION OF THE EFFECTIVENESS OF WEIGHTING REGIMES IN REDUCING SEABIRD BY-CATCH IN THE LONGLINE ... Abstract A series of experiments was carried out in February 1999 at South Georgia (Subarea 48.3) to ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 119–131 : Автор(ы): Agnew, D.J., A.D. Black, J.P. Croxall and G.B. Parkes
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Preliminary results of research activities of RV Evrika in the Scotia Sea in January-March 1988
Paper Title: Preliminary results of research activities of RV Evrika in the Scotia Sea in January ... -March 1988 Abstract / Description: In 1987/88 a multi-disciplinary survey was conducted of the Scotia ... South Georgia in particular were surveyed twice. Research activities are part of the program implemented ... in areas of the Atlantic Sector of the Southern Ocean identified for monitoring by CCAMLR. During the ... '~'-- ---''''''~ Geostrophic circulation on the surface in relation to 1 000 decibar (20 January-9 March 1988). 'I 14 ... fill· 30' Distribution of primary production (mg C/m-2/d-1) in the photosynthetic layer ... Euphausia superba (g/1 000 m-3 ) in the layer of 0-100 m (20 January-9 March 1988). Figure 7: t:5 VI ... ACTIVITIES OF RV EVRIKA IN THE SCOTIA SEA IN JANUARY-MARCH 1988 L.1. Maklygin , A.S. Fedorov, V.N. Shnar ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 215-229 : Автор(ы): Maklygin, L.I., A.S. Fedorov, V.N. Shnar, Yu.A. Shulyakovsky, I.V. Krasovsky, Yu.D. Shuvaev and A.V. Kromsky
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Results of a longline survey on seamounts in the southeast Atlantic and in Subarea 48.6 and Division 58.4.4
Paper Title: Results of a longline survey on seamounts in the southeast Atlantic and in Subarea ... Antarctic Polar Front (Meteor Bank) and in the CCAMLR region (Shona and Spiess seamounts, the western slope ... the isobaths and in depths down to 1 500-2 000 m. Numerically, catches were dominated by Patagonian ... substantially in relation to seabed topography, species composition of catches, and relative abundance and size ... RESULTS OF A LONGLINE SURVEY ON SEAMOUNTS IN THE SOUTHEAST ATLANTIC AND IN CCAMLR SUBAREA 48.6 (ATLANTIC ... ) and in the CCAMLR region (Shona and Spiess seamounts, the western slope of Bouvet Island, Ob and Lena ... Banks). Samples were collected from longlines set perpendicularly to the isobaths and in depths down to ... . eleginoides comprised 20.502 tonnes (96%). The seamounts differed substantially in relation to seabed ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 99–116 : Автор(ы): López Abellán, L.J. and J.F. González Jiménez
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Characteristics of seasonal variation in diurnal vertical migration and aggregation of Antarctic krill (Euphausia superba) in the Scotia Sea, using Japanese fishery data
Paper Title: Characteristics of seasonal variation in diurnal vertical migration and aggregation ... of Antarctic krill (Euphausia superba) in the Scotia Sea, using Japanese fishery data Abstract ... / Description: Seasonal variation in the diurnal vertical migration and aggregation of Antarctic krill ... change during summer and winter in SS and SO. Daily average trawling depth tended to be shallower during ... : 82–90. Ritz, D.A. 1994. Social aggregation in pelagic invertebrates. Adv. Mar. Biol., 30: 155–216 ... (2005): 163–172 163 CHARACTERISTICS OF SEASONAL VARIATION IN DIURNAL VERTICAL MIGRATION AND ... AGGREGATION OF ANTARCTIC KRILL (EUPHAUSIA SUPERBA) IN THE SCOTIA SEA, USING JAPANESE FISHERY DATA K. Taki ... -ku, Shizuoka, 424-8633 Japan Email – takisan@affrc.go.jp Abstract Seasonal variation in the diurnal ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 163–172 : Автор(ы): Taki, K., T. Hayashi and M. Naganobu
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