Search results
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On the presence of Paralomis spinosissima and Paralomis formosa in catches taken during the Spanish survey Antártida 8611
. Ovigerous females were caught in five hauls conducted to the south and east of South Georgia, at depths ... of P. spinosissima were caught to the south and east of South Georgia, and at various depths. However, the highest ... Paper Title: On the presence of Paralomis spinosissima and Paralomis formosa in catches taken ... the archipelagos in the Scotia Sea. A total of 345 hauls was conducted, of which 29 took place around ... m. In the whole of the area surveyed, the two crab species of the genus Paralomis (P. spinosissima ... seven hauls of the 29 made around Shag Rocks and in 20 of the 104 hauls made at South Georgia. P ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 165–173 : Author(s): López Abellán, L.J. and E. Balguerías
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A composite recruitment index to describe interannual changes in the population structure of Antarctic krill at South Georgia
. Antarctic krill recruitment index I I # I I West Core Box D East Core Box Q ;S d - -- Longitude ... the east and west ends of South Georgia. In a number of years small krill tended to dominate ... , A.W.A. Murray, D.G. Bone and J. Priddle. 1999. The shelf break front to the east of the sub-Antarctic ... structure of Antarctic krill at South Georgia Abstract / Description: A composite recruitment index based ... and length data are derived from standard station net hauls only. Comparison of these indices showed ... substantial differences, due in part to bias arising from a large number of krill in just one of the station ... net hauls. Therefore, when the number of station net hauls is limited, bias is likely to be reduced if ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 71–84 : Author(s): Watkins, J.L
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The 1991/92 fishery for Dissostichus eleginoides in Subarea 48.3
fleets caught larger fish in the west of the Subarea 48.3, towards Shag Rocks, than in the east. However ... by haul). 42 900 900 800 West Sector Ul 800 East Sector Q) 700 N=4299 ..c 700 N=3577 Ul ... November 1991 to 10 March 1992. A total of 3 382 tonnes was taken by one Bulgarian, five Russian and eight ... influenced by fishing depth, time of day or soak time, but was dependent on type of hook and geographical ... position. Fish caught around Shag Rocks were larger than to the north and southeast of South Georgia. CPUE ... 0.2 in the Bulgarian. These differences were probably a result of the different hook types used by the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 31–48 : Author(s): Agnew, D.J. and C.A. Moreno
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A risk-management framework for avoiding significant adverse impacts of bottom fishing gear on Vulnerable Marine Ecosystems
a wide area. This measure is implemented by separating shots by a minimum dis- tance for each vessel ... (e.g. soft-sediment communities) can show loss of biodiversity and ecosystem function (Cryer et al ... Substantial loss to structure or function of ecosystem. Many species extirpated. 50–90 Years–decades ... 5 Catastrophic Complete loss of ecosystem. All species extirpated. >90 Centuries–never Table 3: Risk ... Paper Title: A risk-management framework for avoiding significant adverse impacts of bottom ... measure in 2007 to ensure that significant adverse impacts of bottom fishing gear on Vulnerable Marine ... Ecosystems (VMEs) are avoided. Due to the high levels of uncertainty surrounding both the evidence of VME ... presence and the consequences of interaction with different types of gear, a risk-management framework is ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 177–193 : Author(s): Martin-Smith, K
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Observations of fishing operations on a krill trawler and distributional behaviour of krill off Wilkes Land during the 1985/86 season
3). The spatial scale of this good concentration was 100-300 km from east to west and 30-50 km from north ... to be predomirtant further to the west (based on the accumulated experience). So turn east heading for area H where ... to the east except in the vicinity of Balleny Islands where krill were dark "green". - 363 - Area J (15 ... Ha nepl10A BpeMeHI1, K:Of'Aa 'IaCTO BCTpe'IaJII1Cb rrOBepXHOCTHhle CK:OrrJIeHI1R. YJIOB 3a ... Paper Title: Observations of fishing operations on a krill trawler and distributional behaviour ... of krill off Wilkes Land during the 1985/86 season Abstract / Description: Japanese krill fishing ... of fished swarms ranged from 100 m to 10 km with different distributions occurring in different ... a good index to measure abundance of a concentration. Comparison of such an index across time and ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 335-368 : Author(s): Ichii, T.
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Status of the FIBEX acoustic data from the West Atlantic
degre de coherence eleve. Le facteur d'erreur di3 au fait que les donnees collectees a 50 kHz (campagne ... ) Cruise - Data Collected at 50 kHz Walther Herzuig covered the area to the east of Elephant Island ... L. Holrnberg Itzurni (Bransfield Strait) Itzumi (East Drake Passage) Itzumi (West Drake Passage) Low ... Paper Title: Status of the FIBEX acoustic data from the West Atlantic Abstract / Description ... consistency of krill abundance estimates derived from different survey vessels. There is a good level of ... consistency between the results from four of the vessels, Itzumi, Dr Eduardo L. Holmberg, Odissey and Walther ... Herwig. While there is an error factor due to the combination of data collected at 50 kHz (Walther Herwig ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 35–48 : Author(s): Trathan, P.N. and I. Everson
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Optimization of survey sampling design in the detection of interannual variability and prey size selectivity in the diet of penguins
OF KRILL EATEN BY PENGUINS At the 1989 Meeting ofWG-CEMP, the desirable minimum size of changes ... . This results in a test power loss which cannot be estimated without the actual values (return date ... Paper Title: Optimization of survey sampling design in the detection of interannual variability ... and prey size selectivity in the diet of penguins Abstract / Description: Based on the preliminary ... results of a survey of prey size in Adélie penguins, sampling designs intended for the detection of inter ... the optimal allocation of observations at each level in nested ANOVA designs. The optimal numbers of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 551–559 : Author(s): Marschoff, E. and B. Gonzalez
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Depth distribution and spawning pattern of Dissostichus eleginoides at South Georgia
with a spline- smoothed function of mean depth and factors for month, area and vessel: 1996 (top), 1997 (middle ... Paper Title: Depth distribution and spawning pattern of Dissostichus eleginoides at South Georgia ... Abstract / Description: Trends in mean length and maturity stage of Patagonian toothfish (Dissostichus ... significant pattern of changing mean length at depth with month was detected, suggesting movement of animals ... both up and down slope at particular times of year. Months with a high mean length at depth are May and ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 19–36 : Author(s): Agnew, D.J., L. Heaps, C. Jones, A. Watson, K. Berkieta and J. Pearce
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Choosing distance between acoustic survey tacks
study should be sufficiently small not to allow loss of information on the field of concentration ... on the basis of typical size of the surveyed region, allowable relative error in the biomass estimate ... , and the variation coefficient of the density values of the krill concentrations. It is recommended ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 153-164 : Author(s): Kalikhman, I.L., Z.I. Kizner, B.R. Zaripov and W.D. Tesler
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Discrimination of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) using otolith morphometrics
east Greenland (Fossen et al., 2003). We recommend that otoliths of Macro urus spp. caught both ... berg lax) in the waters off East Greenland: distribu- tion and biology. J. Northwest Atl. Fish. Sci ... Paper Title: Discrimination of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) using ... otolith morphometrics Abstract / Description: That the predominant by-catch of grenadier by the toothfish ... fishery in the Ross Sea region is comprised of two species, rather than being solely Macrourus whitsoni ... , was recognised in 2010 with the identification of a new species, M. caml. Grenadier are the main by ...
Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 15–28 : Author(s): Pinkerton, M.H., C. Ó Maolagáin, J. Forman and P. Marriott