Search results
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Simulation of recovery rates of fish stocks in the South Georgia and Kerguelen Islands areas
parameters used in this analysis are displayed in the data section. The output of the model includes stock ... 1997 76.771 10.381 19'7'8 81~222 11.151 1999 80.340 11 .248 2000 BO.1E:l 11.625 2001 74.125 10.669 ... ,~, '-' 2001 73.395 5.579 2002 74.454 5.666 2003 71.571 5.411 2004 75.960 5.636 AVE 69.170 5.130 Stock ... 1998 3. 06 23 93 · 06 1999 2. 99 ',7 .. ..::, . ...:. 92 06 2000 2. 94 1 02 06 2001 2.99 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 229-298 : Author(s): Hennemuth, R.C., K.D. Bisack and G. Duhamel
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Analysis of haul data from the South Georgia krill fishery
operations and variability in METHODS Database Description Since August 1993, haul-by-haul data have ... in August or September. A limited number of hauls were also taken outside these dates. For example ... . By August the main fishing location had moved to the west (Figure Sd), and by September (Figure 5e ... shift in August and September, at the end of the season when there are fewer vessels in the area ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 9–30 : Author(s): Trathan, P.N., I. Everson, E.J. Murphy and G.B. Parkes
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Biogeographic patterns of benthic invertebrate megafauna on shelf areas within the Southern Ocean Atlantic sector
parameters and biological interactions. Polar Biol., 20 (4): 229–247. Gutt, J. and A. Starmans. 2001 ... , environmental and bio- logical properties, as well as the interaction of these properties. Here, benthic ... plays in shaping the Antarctic benthos to depths of up to 600 m (Gutt, 2001) has received a recent ... , 2001; Gutt and Starmans, 2001; Gutt and Piepenburg, 2003; Teixidó et al., 2004). Different levels ...
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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Alternative methods for determining subarea or local area catch limits for krill in Statistical Area 48
on biological interactions explicitly considered in the alternative: Presumably, as more information ... censuses, (8) Krill surveys, and (9) Models of predator-prey interactions. This paper is intended ... does not consider interactions between kriU and dependent predators. The data used to calculate ... interactions between krill and dependent predators. This alternative does not require data collection, so data ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 237–249 : Author(s): Watters, G. and R.P. Hewitt
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A von Bertalanffy growth model for toothfish at Heard Island fitted to length-at-age data and compared to observed growth from mark–recapture studies
parameter estima- tion has been studied by Troynikov (1999), Lucena and O’Brien (2001), Taylor et al. (2005 ... - frequency (LF) sample. Lucena and O’Brien (2001) incorporated gear selectivity in their estimation ... the VP likelihood were calculated using the ‘nlminb’ function in S-plus (Insightful, 2001) and the ‘fi ... estimates of these para- meters obtained from the length-at-age data. The results section shows ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 43–66 : Author(s): Candy, S.G., A.J. Constable, T. Lamb and R. Williams
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Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea
, 1984; Natanson, 1993; Walmsley-Hart et al., 1999; Francis et al., 2001). More recently, growth bands ... or thick sections under various forms of lighting (e.g. transmitted white light, polarised light ... , 2001). The best results were obtained from x-rays of thorns and vertebral half- centra, but vertebrae ... among sets of age determinations (Campana et al., 1995). Campana (2001) reported an empirical ...
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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Use of indices of predator status and performance in CCAMLR fishery management
existing fishery management agreements. A particular issue, not explicitly addressed in Article 11 ... should also accept that, with our present knowledge of the dynamics of predator-prey interactions ... . This interaction is the most closely coupled of those available and must offer the best chance of developing ... interactions (e.g. between seabirds/seals and fish), including those hitherto largely unstudied (e.g ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 353–365 : Author(s): Croxall, J.P.
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Physical oceanographic setting of the Siedlecki January 1987, South Shetland Island data set
the 27.7 aa density. 2.1 57°W Section The water mass structure along the tip of Antarctic Peninsula ... does reveal strong spatial variability. A section of potential temperature and for salinity along ... ). Further south along the section the Pacific intrusion attenuates, replaced by the very cold, but low ... is included in the discussion section of this paper. 2.5 Group #3 North of Elephant Island In the region ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 161-184 : Author(s): Gordon, A.L.
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Myctophids in the diet of Antarctic predators
is essential for assessing trophic interactions between species, particularly if calculations of prey ... composition by sexes was different (Williams, 1991). The diet of females in July/August, 1987 consisted ... interactions of some species of fish from sub- Antarctic waters of the Indian Ocean. Proceedings ... of channichthyids in different areas of the Atlantic Antarctic. Voprosy Ikhtiologii, Vol. 28, Issue 5: 802-811 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 335–368 : Author(s): Sabourenkov, E.
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Management and assessment options for the crab fishery around South Georgia
section, we consider the assessment methodologies and data requirements for the implementation ... -sections deal with each approach in turn. A general comment that applies to all three approaches ... be established and investigated to address issues such as their efficiency and design. It is clear that we do ... . Carr, M.H. and D.C. Reed. 1993. Conceptual issues relevant to marine harvest refuges: examples from ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 193–202 : Author(s): Basson, M. and D.D. Hoggarth