Search results
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Precautionary spatial protection to facilitate the scientific study of habitats and communities under ice shelves in the context of recent, rapid, regional climate change
on both sides of the peninsula. Loss of ice on the eastern side results from warm air being brought over ... and seabed communities. This has now resulted in around 900 × 103 tonnes of new carbon being taken up ... such as iceberg scouring (e.g. Gutt, 2001), colonisation and/or community development (Gutt et al., 2013; Dayton ... , Antarctica 1843–2001: U.S. Geological Survey Geologic Investigation Series, Map 1-2600-A, 1 map sheet, 32 ... commercial fishing activities should not be permitted in these habitats, and suggests that areas under ... the loss of existing marine habitats and to the creation of new habitats, with consequent changes in ... existing ice shelves in Subareas 88.3, 48.1 and 48.5 should be preserved and protected for scientific study ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 139–151 : Author(s): Trathan, P.N., S.M. Grant, V. Siegel and K.-H. Kock
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A comparison of densities and length distribution of the Champsocephalus gunnari stock in Subarea 48.3 between years 1994 and 1995
in a nested ANOVA and a paired t-test. Significant increases in density have been detected at all ... a probability function to mean densities should be improved, but their differences at replicated ... presence of relatively large quantities of recruits. The stock is considered to be experimenting a recovery ...
Meeting Document : WG-FSA-95/34 : Author(s): Marschoff, E., Calcagno, J., Gonzalez, B.
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An assessment of CCAMLR measures employed to mitigate seabird mortality in longlining operations for Dissostichus eleginoides around South Georgia
are shown in Figure 1. The number of hooks (laid the previous night) observed being hauled was 130 936 ... on 21 May but none were observed taking bait off hooks or being hooked. Interactions during Hauling ... of giant petrels on the surface when being hauled in, and several birds were snagged by trailing hooks ... it included data from the full season through until 11 August (SC-CAMLR, 1997): eight mortalities were ... operations for Dissostichus eleginoides off South Georgia were assessed for interactions with seabirds and ... lines were laid from March to May 1997 using the Spanish double-line method. In accordance with CCAMLR ... specifications was also used, except during an experiment that attempted to assess the effectiveness of the ... during hauling using a randomised cluster sampling method, developed to allow representative data to be ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 217–230 : Author(s): Ashford, J.R. and J.P. Croxall
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Results of krill fishery in Subarea 48.2 in the 2009 season based on data of the Russian vessel Maxim Starostin
used the continuous fishing method. 21 trawlings with the total duration of 1113,5 hours were carried ... out during 71 fishing days. Mean catch per hour trawling is 5,6 t/h. Data on daily catch, catch per ... hour trawling, krill length composition and biologicall conditions along with description of ...
Meeting Document : WG-EMM-10/08 : Author(s): S.Yu. Gulyugin, V.E. Polonskiy and S.M. Kasatkina (Russia)
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Method for collecting of data on traumatic death of krill passed through the trawl meshes
with threads of the net bag some of them may receive possibly lethal mechanical damage. Proposed method ... bag, only for fishing with hauling of full net for catch extraction. The analogous rating for fishing ... with fishpump needs developing of special methods of source material obtaining to set experiments. But ... , taking into account the fact that trawl constructions used for these variants of fishing process are ...
Meeting Document : WG-EMM-12/43 : Author(s): V.V. Akishin, I.G. Istomin, V.A. Tatarnikov, A.F. Petrov and R.O. Lebedev (Russia)
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Fish distribution and biomass in the Heard Island zone (Division 58.5.2)
January 1992 29 August 1993 Net performance was monitored with a Simrad FS3300 net surveillance sonar ... , with the following depth intervals being designated strata: 0-100 m, 100-200 m, 200-300 m, 300-500 m and 500-700 ... of trawls per stratum arose from sites being in a different stratum from expected, insufficient ... , of the results from each trawl (or the entire catch if less than 200 being biased, especially ... species were found to be abundant. There were two consistent areas of aggregation of Champsocephalus ... distribution, but abundance is lower and less variable with location and between surveys. Dissostichus ... waters shallower than 300 m. From these results, it seems that a small fishery of a few hundred tonnes ... each for C. gunnari and D. eleginoides may be possible. File: 01williams-delamare.pdf ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 1–20 : Author(s): Williams, R. and W.K. de la Mare
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Fish stock assessment survey in Subarea 48.3
AHTKOMa 48.3. TIpHBe.lleHa HHcpopMa~H5I 0 nOJIO:>KeHH5IX TpaJIeHHH, TeMnax BbIJIOBa H pa3MepHOM COCTaBe ... , being found at nearly all stations. N. rossii, although present at most stations down to 250 ... to hauls being made either during the hours of darkness or immediately in advance of fishing. No large ... with the season being characterised by poor kriU availability affecting feeding (Kock et al., 1991) and the fish ... that this decline may be due to either a massed migration or high mortality. File: 03-Everson-et ... decline by comparison with results from the 1989/90 season. Other species do not show a similar dramatic ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 25–67 : Author(s): Everson, I., G. Parkes, K.-H. Kock, S. Campbell, Z. Cielniaszek and J. Szlakowski
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Estimates of length-frequency in the assessment of mackerel icefish Champsocephalus gunnari in Subarea 48.3
individual hauls. The effect of these changes in method have little impact on the catches that would have ... from the 2015 and 2017 surveys. Author(s): T. Earl Title: Estimates of length-frequency in the ...
Meeting Document : WG-FSA-17/51 : Author(s): T. Earl
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Habitat use of type – C killer whales (Orcinus orca) in the Ross Sea, Antarctica
whales were equipped withSmart Position Only (SPOT) and depth-recording satellite transmitters (SPLASH ... equipped withSmart Position Only (SPOT) and depth-recording satellite transmitters (SPLASH). Hierarchical ...
Meeting Document : WG-EMM-2019/08 : Author(s): G. Lauriano, E. Pirotta, T. Joyce, R. L. Pitman and S. Panigada
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Physical oceanographic setting of the Siedlecki January 1987, South Shetland Island data set
mixing processes of Bransfield Straits water (derived from the Weddell, with further local modification ... that mixing of Weddell and Pacific waters near the tip of the Antarctic Peninsula is an important ... the Pacific water is encountered, there are indications of vigorous mixing processes of Bransfield Straits ... is associated with abundant krill populations. It is speculated that mixing of Weddell and Pacific waters near ... the Pacific water is encountered, there are indications of vigorous mixing processes of Bransfield Straits ... Straits is associated with abundant krill populations. It is speculated that mixing of Weddell ... of Antarctic Peninsula before being injected into the open ocean. This water has a low degree of 165 ... from the open ocean, its only means of "communication" being vertical exchange processes (Gordon ...
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.