Search results
-
Fishing ground selection in the Antarctic krill fishery: trends in patterns across years, seasons and nations
of high krill density observed by scientific surveys, and possible reasons for this mismatch are ... not always match the areas of high krill density observed by scientific surveys, and possible reasons ... workshop will evaluate candidate procedures by quantifying the degree to which they are robust or ... and nations concerned (the current requirement is haul-by-haul data (CCAMLR, 2005), but previously ... haul-by-haul data held in the National Research Institute of Far Seas Fisheries (Japan) for a more ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 117–141 : Author(s): Kawaguchi, S., S. Nicol, K. Taki and M. Naganobu
-
Patagonian toothfish in international waters of the Southwest Indian Ocean (Statistical Area 51)
to the north of the surveyed area where D. eleginoides may hypothetically be found, as these places were ... , any trace of D. eleginoides in the area should be able to be found by following these water masses ... eleginoides) took place from 28 June to 27 July 2003. This experiment was carried out by a Spanish longliner ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 207–214 : Author(s): López Abellán, L.J
-
The Patagonian toothfish (Dissostichus eleginoides) fishery in the Kerguelen Islands (Indian Ocean sector of the Southern Ocean)
sample was tested graphically with the ‘normal probability plot’. All data were found to be normally ... in the three depth ranges; the smallest females are found in shal- low waters, whereas the largest females ... are found at depths exceeding 1 500 m. This result is the same for males. There is also a difference ... /04 data; the results are quite similar, with very little difference in the average sizes found ... the exploited population have been obtained from scientific observation programs conducted by fishery ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 1–25 : Author(s): Lord, C., G. Duhamel and P. Pruvost
-
Seabird interactions with trawl and longline fisheries for Dissostichus eleginoides and Champsocephalus gunnari
and the netsonde cable to bird mortality (Table 3). Birds definitely killed by the netsonde cable were found ... between this cable and the headline of the net. The cause of death of birds found in the bag of the net ... , probably because the birds at the former site are distracted from the longlines by the discharge of offal ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 93–99 : Author(s): Williams, R. and D. Capdeville
-
Environment–krill relations in the South Georgia marine ecosystem
of reduced CPUE in years following a winter-spring when the ice-edge was found further south were most ... virtually no krill near South Georgia (1978 and 1984), large concentrations of krill were found ... strongly influenced by the oceanographic regime of the Scotia Sea. File: 02fedoulov-etal.pdf ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 13–30 : Author(s): Fedoulov, P.P., E. Murphy and K.E. Shulgovsky
-
The influence of bait quality on the sink rate of bait used in the Japanese longline tuna fishing industry: an experimental approach
in the statistical analysis. Saba (both sizes) was the only species of fish found to contain substantial amounts ... bearing a hook alone by 50% to 2 sec. m-1. The results highlight the importance of careful bait selection ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 123–129 : Author(s): Brothers, N., A. Foster and G. Robertson
-
Demographic characteristics of the Adélie penguin population on Béchervaise Island after 12 years of study
/decline rates of the Adélie penguin population at Béchervaise Island were found to be more sensitive ... penguin population at Béchervaise Island were found to be more sensitive to changes in annual ... Island were found to be more sensitive to changes in annual survival rates, especially of young breeding ... and 2001/02. Thus individuals initially tagged at Béchervaise Island and later found breeding on other ... the mean (z = 2.233, p = 0.026) as found for birds tagged as chicks (Figure 4). Fecundity On average, 97 ... detected between Béchervaise, Verner, Petersen and Welch Islands (~1% of birds have been found breeding ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 53–74 : Author(s): Clarke, J., L.M. Emmerson, A. Townsend and K.R. Kerry
-
Timing of clutch initiation in Pygoscelis penguins on the Antarctic Peninsula: towards an improved understanding of off-peak census correction factors
etc.). It is found that mean October temperatures constitute the most consistent significant factor ... . temperature, precipitation, sea-ice etc.). It is found that mean October temperatures constitute the most ... to potential drivers of clutch initiation (e.g. temperature, precipitation, sea-ice etc.). It is found ... data analysis on environmen- tal covariates to breeding phenology, it is found that mean October ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 149–165 : Author(s): Lynch, H.J., W.F. Fagan, R. Naveen, S.G. Trivelpiece and W.Z. Trivelpiece
-
Evaluating the impact of multi-year research catch limits on overfished toothfish populations
populations Abstract / Description: In stocks that have been depleted by overfishing, the benefit of ... CCAMLR has closed several fisheries due to concerns that stocks have been depleted by over- fishing ... 2009 (SC-CAMLR, 2009b)) and declining catches by the authorised fleet in the fishery (Divisions ... depleted by overfishing, the benefit of additional fisheries remov- als for research purposes needs to be ... Mangel, 2006). This paper extends the work conducted by de la Mare and Constable (1990) on develop- ing ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 47–55 : Author(s): Welsford, D.C
-
Statistical power to detect changes in growth rates of Antarctic fur seal pups
total number of pups weighed in a season,by decreasing the time between weighings. File: 23-Boveng-et ... number of pups weighed in a season, by decreasing the time between weighings. Resume Des simulations ... pups weighed per date, was drawn at random from normal distributions with means determined by our ... was drawn under similar conditions to the first, except that the underlying growth rate differed by a ... significantly different. The number of significantly different results divided by 500 is an estimate of the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 399–409 : Author(s): Boveng, P., J.L. Bengtson and M.E. Goebel