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The role of fish as predators of krill (Euphausia superba) and other pelagic resources in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop)
of sexually mature 3–4-year-old E. carlsbergi while south of the APFZ 2–3-year- old immature fish ... night catches was 4 500 000 tonnes (Table 1b) (Collins et al., 2008, 2012). Biomass of mesopelagic ... pro- vided in Table 4. Non-myctophid species The only other species of mesopelagic fish for which ... ., 2004). The estimate (Table 4) is based on the fol- lowing assumptions: (i) the mesopelagic community ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 115–169 : Autor(es): Kock, K.-H., E. Barrera-Oro, M. Belchier, M.A. Collins, G. Duhamel, S. Hanchet, L. Pshenichnov, D. Welsford and R. Williams
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Fishery Report: Champsocephalus gunnari Heard Island (Division 58.5.2)
...................................................................... 3 Population structure ................................................................ 4 ... Proportion of biomass-at-age ...................................................... 7 4. Stock ... ). The plots include data from both the commercial fishery and research trawl surveys. 4. With respect ... ; WAMI-01/4); (iv) abundance of fish cannot be inferred from these plots; (v) the cohorts ...
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Report on bottom fisheries and vulnerable marine ecosystems
................................................................................... 4 Registered Risk Areas .................................................................. 4 ... Process for reviewing status of Risk Areas ........................................... 4 Current status ... . Benthos classification guide 4. In 2007, the Scientific Committee endorsed the conclusions of WG-FSA ... registered VMEs. 4 Risk Areas Registered Risk Areas 14. A total of 150 VME indicator ...
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A first step towards modelling the krill–predator dynamics of the Antarctic ecosystem
University of Cape Town Rondebosch 7701, South Africa Current address: Institute of Cetacean Research 4 ... необходимости прибегать к гипотезам об изменении окружающей среды. Разработана модель, включающая криль, 4 ... , being much less than the precautionary catch limit of 4 million tonnes set by CCAMLR for the Scotia ... krill consumption by baleen whales was between 3 and 4% of their body mass per day (see further ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 217–277 : Autor(es): Mori, M. and D.S. Butterworth
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Estimating unaccounted fishing mortality in the Ross Sea region and Amundsen Sea (CCAMLR Subareas 88.1 and 88.2) bottom longline fisheries targeting Antarctic toothfish
estimator (Bradford, 2002): k hijk k hijk c hij u y = å å (4) where chijk was the catch in tonnes ... rate among different gear types. Reported hook loss rates by gear type are shown in Table 4, but the ... total number of sets with non-zero hook loss (Figure 4). Components of lost gear Table 8 summarises ... hook loss rates and absolute num- bers occurring in particular localised cells (de- tailed in Figure 4 ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 17–30 : Autor(es): Webber, D.N. and S.J. Parker
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On the instantaneous natural mortality rate of Champsocephalus gunnari, South Georgia (Subarea 48.3)
formula: Step 4. The premise I p a _ P ~I < 8 is validated. If it is accurate then: • the new estimates ... was calculated as the mean weighted value of length for each age group (Table 4). The data ... mortality for C. gunnari is not less than 0.56. 318 4. CONCLUSION The authors consider that their ... 3anaCOB pbI6. MocKBa. OHTH, BHHPO: 4-42. KOCK, K.-H. 1981. Fischereibiologische Untersuchungen an drei ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 313–326 : Autor(es): Frolkina, G.A. and R.S. Dorovskikh
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The Kerguelen database
sectors of the shelf are important 2, 3 and 4. - 27 - One species is dominant in each sector • main ... -349 m and 250-600 m during the winter • main sector for N. squamifrons 4 secondary sector main ... the species in the depth ranges (except between N. rossii and N. squamifrons in the sectors 3 and 4 ... ~ ----17---- 4 ° ° ° ----5---- _5 __ _ 0 __ _ 0 __ _ 0 __ 4 _1 ___ 0 __ _ 0 __ _ 0 __ -U--1L- _0 __ ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 23-54 : Autor(es): Duhamel, G.
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Patterns and processes in the distribution and dynamics of Antarctic krill
food availability? 3. What is the interaction between spatial patterns and fishing behavior? 4. How ... intermediate scales (4-20 km). It is unfortunate that we do not yet have available comparable data for the ... . Macaulay), obtained 4-5 January 1987, aboard the RV Professor Siedlecki, were analyzed in the following ... normalized to the total power of the signal to obtain a normalized power spectrum (Figure 4). To ...
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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Intra-annual variability in the density of Antarctic krill (Euphausia superba) at South Georgia, 2002–2005: within-year variation provides a new framework for interpreting previous ‘annual’ estimates of krill density
were confi gured to collect data in 8 m depth bins and to ping 7 times within a 4 min ensemble ... Georgia the sampling resolution of the ADCP (8 m × 4 min), enabling frequency differences from ... 0 32 –1 76 × 13 36 20 8 na × × × 4 12 / 11 / 03 –1 3/ 01 / 04 31 0 20 0 34 –1 86 ... × 13 34 22 7 21 –2 13 × 5 14 / 01 –2 4/ 03 / 04 30 0 19 8 32 –1 84 × 13 00 22 6 20 –2 12 ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 27–41 : Autor(es): Saunders, R.A., A.S. Brierley, J.L. Watkins, K. Reid, E.J. Murphy, P. Enderlein and D.G. Bone
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2013 Report on bottom fisheries and vulnerable marine ecosystems
Process for reviewing status of Risk Areas ........................................... 4 Current status ... revisions of conservation measures and priorities for future work. Glossary 4. A glossary of terms and ... fisheries in 4 Subareas 48.6 (2 notifications), 88.1 (104 notifications) and 88.2 (48 notifications ... estimation of associated frequencies and fishing footprints per unit effort Step 4 Characterisation of ...
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