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Location and intensity of the Soviet krill fishery in the Elephant Island area (South Shetland Islands), 1988/89
aggregations are dispersed or lost due to storms and other factors. The velocity of the northeast drift ... the island with the current; and (iii) vessels return to position (i) when aggregations are dispersed or lost ... I " I I ...... I .... • J , • ,.. It , " I ,'... I I' I , '.. I , ,-t , ," , " : ~ "" : : / 1 I I ,., • I I I .... I I, I ,I 1\. I t. 1 I 1 I I , ,·~1 .~ .•. ~ ...... ~ . .; ........ : .. ,;.; .•. .:;.;;:~.-.~ .............................. .).( ....................... . " I ~ I....... \ f I ,... , "' \ : I." " \ I I : \ \ DI 61 : . .; .•. .:. ...•... Sl ... $ ., / 1 .... I I I • , I '\1 I , : I:: : ~ : : : •. ,: ••••••••• : •••••••••••••• : ••••••••••••••••••••••••••••• : ••••••.••...•• , •••.••. ~ .•.•.• I .~ .••••..•••. l ••••..•..••.•• ! " I 1 ~""'---.. \ ' " , 1 ~", \ ' • I 1 , • 1 I , 1/ 1 '\ \ 1 I I , 11 \ I • /' 1 'I I • '11 \ ' I I • It I I I I I I \ 1 I • I.' , • , • I •• , I I I J I , DI ... or lost due to storms and other factors. The velocity of the northeast drift of krill concentrations ... area extended further east to 54°30'W. Figures 6a to 6f show the locations of fishing grounds by five ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 305–335 : Author(s): Sushin, V.A. and A.S. Myskov
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Consideration of major issues in ecosystem monitoring and management
A5 Foraging trip duration 2 months 1–2 days 25–50 A6 Breeding success 2–3 months 100s A7 Chick ... trip duration 2–3 months Several days 20–100 C2 Pup growth 2–3 months 2–3 months 30–150 Calendar dateP ... ot en tia l r an ge fr om c ol on y Calendar date Foraging trip duration + Diet 1st ... characteristics to the availability of krill. At the one extreme, foraging trip duration refl ects the local ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 213–232 : Author(s): Everson, I
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Brief report of the joint Soviet-Australian expedition of the USSR FRV Professor Mesyatsev to the Australian fishing zone around the territory of Heard and McDonald Islands, May-August, 1987
E-W and N-S. The sea mountains (Banks) have the following names: 1. Youznays (Southern) 2. Shrednaya (Middle ... ) 3 .. zapadnaya (Western) 4. Shootchaya (Pike) 5. vostochnaya (Eastern) and further to the east 6. Novaya ... during the cruise. The fishing ground to the east of Heard Island is an extrusion ... east from Heard Island and over Bank Youznaya (southern), (Biomass of mesoplankton was less than 50 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 75-103 : Author(s): Gherasimchook, V.V., V.N. Brodin, A.V. Kljausov, I.B. Russelo, P.V. Tishkov and N.B. Zaremba
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Effects of recruitment variability and natural mortality on generalised yield model projections and the CCAMLR decision rules for Antarctic krill
by the CCAMLR decision rules for different gamma levels have been based on the Beta dis- tribution ... , or in such methods as CMIX, is based on the size dis- tribution in each year being independent of the size ... to compare population responses to proposed levels of harvest against decision criteria. From the early ... are believed to be the source of production for a larger area to the north and east, including supplying ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 81–96 : Author(s): Kinzey, D., G. Watters and C.S. Reiss
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Biogeographic patterns of benthic invertebrate megafauna on shelf areas within the Southern Ocean Atlantic sector
to the sorting area for weighing. Additional basket loads were counted and dis- carded. In this way, an average ... - munities, if not for disturbance. The severity of dis- turbance regime, whether by icebergs or by fishing ... ; Gordon et al., 2000). This pattern effectively mirrors the dis- tribution of echinoderm-dominated ... habitats into zoogeographical provinces date back to the early 20th century (Koehler, 1912; Hedgpeth ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 167–192 : Author(s): Lockhart, S.J. and C.D. Jones
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Distribution characteristics of krill aggregations in the fishing ground off Coronation Island in the 1989/90 season
fishing grounds during this period: north-east (500 1O'S to 59° 30'S and 43°30'W to 44°W) and south-west ... to 2 on the Richter scale while water temperature was between 0° and 0.5° (Figure 4a). In the north-east fishing ... ground shifted somewhat to the south-east (Figure 5). Targetted krill swarms were recorded as "tracks ... the temperature gradient of the thermocline which improves conditions for phytoplankton (Latogursky et al., 1972 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 49–73 : Author(s): Kasatkina, S.M. and V.I. Latogursky
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Prey monitoring surveys: a discussion of the characteristics necessary in prey surveys
of the parameters (foraging trip - 379 - duration, chick fledging weight and chick diet) identify a restricted ... although from a knowledge of swimming speed, activity budgets and foraging trip duration a reasonable ... but be less suitable for the early chick growth period. SURVEY DESIGN The primary aim of the survey ... for comments on an early draft of this manuscript. - 385 - Table 1. Consideration of predator parameters ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 377-391 : Author(s): Everson, I.
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Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey
in the middle of the growth season as for model 1 (i.e., in mid-December: t = 1.5/12). As M now varies ... the balance of the 'year' (growth having ceased): In the middle of the growth season their mass-at-age ... 2: The survey estimate of biomass is made in the middle of the growth season (i.e. mid-December), and prior ... be accounted for here by 'pretending' that all these krill are lost to natural mortality on the verge ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 81–106 : Author(s): Butterworth, D.S., G.R. Gluckman, R.B. Thomson, S. Chalis, K. Hiramatsu and D.J. Agnew
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Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea
of 6–7 years for males and 8–11 years for females. These estimates are near the middle to upper end ... of 6–7 years for males and 8–11 years for females. These estimates are near the middle to upper ... for the datasets including outliers. Reading 1 0 2 4 6 8 10 12 14 16 R ea di ng 2 (m ea n ± 2S ... 1 2 2 8 3 1 4 2 5 1 1 1 6 2 5 2 1 1 1 1 7 2 1 2 2 1 3 7 4 1 1 1 3 1 3 3 1 1 2 3 6 3 1 1 2 2 2 1 1 1 3 1 1 1 3 1 1 1 2 1 R ea di ng 2 (m ea n ± 2S E ) Figure 3: Within-reader comparison of thorn band counts ... – revisited. In: di Prisco, G., E. Pisano and A. Clarke (Eds). Fishes of Antarctica: a Biological Overview ... for males and 8–11 years for females. These estimates are near the middle to upper end of the range of ages ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 183–194 : Author(s): Francis, M.P. and C. Ó Maolagáin
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Distribution and relative abundance of Antarctic toothfish (Dissostichus mawsoni) on the Ross Sea shelf
evidence for an ontogenetic migration from east to west as they grow. From the fisheries data available ... migration from east to west as they grow. From the fisheries data available, there is no evidence ... that they are likely to be dis- persed throughout much of the Ross Sea shelf, albeit in low numbers, extending ... for helpful dis- cussions and input into this paper. This project was funded by the New Zealand Ministry ... evidence for an ontogenetic migration from east to west as they grow. From the fisheries data available ... , the word ‘season’ refers to the period from December to May, the months of fish- ing in the middle ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 33–51 : Author(s): Hanchet, S.M., S. Mormede and A. Dunn