Search results
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Assessment and tag program adaption methods for exploratory fisheries in the CAMLR Convention Area: an example application for Division 58.4.3a
. Algorithm for adapting the catch limit and tagging rate In this section an algorithm for adapting catch ... error CV was increased from 5–10% to 20% – most likely an interaction between the uncertainty ... this interacts with the decision rules. More established toothfish stock assessments with tagging programs ... ., 64 (4): 640–646. MacAllister, M.K., E.K. Pikitch and E.A. Babcock. 2001. Using demographic methods ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 101–113 : Author(s): Hillary, R.M
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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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A balanced model of the food web of the Ross Sea, Antarctica
was completed, several sections have been revised and the current set of documentation applicable to the model ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 1–31 : Author(s): Pinkerton, M.H., J.M. Bradford-Grieve and S.M. Hanchet
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A review of the trophic role of mesopelagic fish of the family Myctophidae in the Southern Ocean ecosystem
Archive of Hydrobiol., 25 (3): 677-695. Rodhouse, P.G., M.G. White and M.R.R. Jones. 1992. Trophic ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 71–77 : Author(s): Kozlov, A.N
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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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A rationale for conservation areas within Antarctic waters
, crabeater seals and penguins are relatively sparse, as discussed in previous sections. Another aspect ... listing of the further studies required to refine the boundaries of such sub-systems, the interactions ... on Antarctic Biology, August, 1977: 703-740. HORNE, R.S.C. 1983. The distribution of penguin breeding ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 513-535 : Author(s): Chittleborough, R.G.
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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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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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Some principles for fisheries regulation from an ecosystem perspective
as ••• any unit that includes all of the organisms in a given area interacting with the physical ... of perturbations (ACMRR, 1980; Pie1ou, 1981; Rig1er, 1982; Bender, Case and Gi1pin, 1984). Species interact ... ' might lie for a harvested species; nor, because of - 330 - interactions, does such a level ... of complexity of a system of interacting species may be abstracted into a subset of species of interest ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 323-339 : Author(s): de la Mare, W.K.