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Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica
using this method, and this form of lighting did not adequately illuminate the zones. Therefore ... exp ( ) ; 0 1 exp j j t L L L L (5) where L1 and L2 = mean lengths at two reference ages τ1 ... be due to regurgitation of prey during capture. All otoliths were read by a single reader, and 30 ... , there is a lack of small fish (≤30 cm; age ≤ 1), and so the von Bertalanffy growth curve parameters ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 139–165 : Autor(es): Sutton, C.P., M.J. Manning, D.W. Stevens and P.M. Marriott
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Patterns and processes in the distribution and dynamics of Antarctic krill
model in a more quantitative form. Although the final model may require estimates of most of the ... ), October, Hobart, Tasmania, Australia. PLATT, T. and K.L. DENMAN. 1980. Patchiness in phytoplankton ... temperature. (From Weber et al., 1986). 289 Figure 2: 290 Phase 1 BO ...... ......-I"""T ... Squared 1.0 1.0P"""l"'..,...., ........ "T"'"I..........,.....,....., .B .2 ~ · · · 0.0a ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 281–299 : Autor(es): Levin, S.A., A. Morin and T.M. Powell
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Evaluating the impact of multi-year research catch limits on overfished toothfish populations
–30 Dec 0–945 tonnes yr–1 (see Table 2) 0–90 tonnes yr–1 (see Table 2) Simulation specifications ... %, 25%, 30% and 35% of SSB0 at the end of the 5-year period. The annual catches taken in each scenario ... 30 tonnes per year for 5 years) to assumptions about selectivity (scenarios 7 to 9), size-at ... ) Parameter set 1 945 10% 0, 15, 30, 45, 60, 75, 90 As per Table 1 2 893 15% " " 3 841 20% " " 4 782 ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 47–55 : Autor(es): Welsford, D.C
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Cephalopod research in the Antarctic
Southern Ocean is known to contain large stocks of cephalopods, especially squid, which form an important ... Government. REFERENCES AMARATUNGA, T. 1987. Population biology. In: Cephalopod life cycles Vol. 2 (ed ... -526. NEMOTO, T., M. OKIYANA and M. TAKAHASHI. 1985. Aspects of the roles of squid in food chains of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 323-334 : Autor(es): Rodhouse, P.G.
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Acoustic estimates of krill density at South Georgia, 1981 to 1998
(see Priddle et al., 1988). Since Interannual variability in the abundance of t ha t t ime there ... individual, because t h s approach is less sensitive to errors in krill length estimation (see Hewitt and ... . Sci., 5: 17-24. Boyd, I.L., J.P.Y. Arnould, T. Barton and J.P. Croxall. 1994. Foraging behaviour of ... -krill relations in the South Georgia marine ecosystem. CCAMLR Science, 3: 13-30. FRAM Group. 1991 ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 47–57 : Autor(es): Brierley, A.S., J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson
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Quantification of Southern Ocean phytoplankton biomass and primary productivity via satellite observations and biogeochemical models (submitted to the 2008 Joint CCAMLR-IWC Workshop)
wake blooms, such as South Georgia and Kergue- len, each span about 30° longitude. January (Figure 5 ... /06, an interdis- ciplinary survey was conducted of East Antarctica (30°E to 80°E). The suite of ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 247–265 : Autor(es): P.G. Strutton, N.S. Lovenduski, M. Mongin and R. Matear
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Statistical problems in krill stock hydroacoustic assessments
de la biomasse. 301 302 Pe3IOMe PaCCMaTpliBaIOTC.SI ,l{Ba OCHOBHhIX aCneKTa npOBe,l{eHH.SI ... . Fish. Aquatic. Sciences, 39(1) 229-231 p. 305 Figure 1: 56°W 30' 55~ 30' 45'~----~r ... -----------~~~~~~~~--------'-----------'-'45' 15' 30' 15' 30' ASPLAND IS. / ~OOIfl""", EADIE IS ... .»'-" ~\ ., .. - ...... , ... - -, "0 GIBBS IS. O'BRIAN IS. (' \ \ I I I " .. : 30' ASPLAND IS. / ~OOIfl"""'" EADIE ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 301–309 : Autor(es): Macaulay, M.C.
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Killer whale (Orcinus orca) and sperm whale (Physeter macrocephalus) interactions with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic
compared to those for which either sperm whales or killer whales or both species were present. Paired t ... H 302 14 4.6 46 15.2 0 0 I 319 14 4.4 78 24.5 20 6.3 J 712 30 4.2 119 16.7 14 2 K 346 12 3.5 18 ... lines hauled when no cetaceans present (t-test: df = 17, t = 3.7, P = 0.0016, Table 5). Catch rates ... were also signifi cantly lower when both killer whales and sperm whales were present (t-test: df = 8 ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 111–126 : Autor(es): Purves, M.G., D.J. Agnew, E. Balguerías, C.A. Moreno and B. Watkins
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Movement and growth of tagged Dissostichus eleginoides around South Georgia and Shag Rocks (Subarea 48.3)
‘T-bar’ tags indicating a reward for the return of the tag on recapture as well as address, fax and ... fi sing gear and are suitable for tagging and release. A large T-bar and a large dart tag were ... recaptured, 30 from Shag Rocks, 7 from around South Georgia and 14 from around 42°S. Figure 2 shows the ... (1.3%) 30 (11.9%) 4 (1.7%) .. Advantages Able to tag large numbers. Juveniles tagged. Very ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 101–111 : Autor(es): Marlow, T.R., D.J. Agnew, M.G. Purves and I. Everson
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Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)
et al., 2001). It comprises at least four distinct and separate modal groups, i.e. 13–14, 26–30 ... °30’E), approximately 450 n miles north of the tagging site. Two of the six fi sh had no immedi ... – 0.0126 406 29 1 0.96 1.36 0.0132 407 30 1 0.88 – 0.0151 408 28 1 0.92 – 0.0119 409 27 1 ... 133 155 – 28 A00993 8 Dec 87 17 Nov 91 4.0 3 145 152 – 28 A001229 30 Oct 97 28 Feb 01 3.3 3 131 137 ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 125–138 : Autor(es): Horn, P.L., C.P. Sutton and A.L. DeVries