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Movement, growth and available abundance to the fishery of Dissostichus eleginoides Smitt, 1898 at Heard Island, derived from tagging experiments
m be rs (m illi on s) 1998 1999 2000 2001 Year 50 40 30 20 10 0 P re di ct ed n um be rs ... INTRODUCTION Directed fi sheries for Patagonian toothfi sh (Dis- sostichus eleginoides) have been conducted ... recaptured two to three years later in the French longline fi sheries at 1 100 to 1 483 m depth (Table ... (approximately 80 mg Sr per kg of fi sh) to mark their otoliths for later verifi cation of the age- reading ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 33–48 : Author(s): Williams, R., G.N. Tuck, A.J. Constable and T. Lamb
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Analyses of acoustic line-transect data from the waters around South Georgia: estimation of krill (Euphausia superba Dana) – biomass
in the BIOMASS sampled regions during the early part of 1981 than was observed in this study in the latter part ... studies (Latogursky et al., 1990). The values for the early part of 1981 are of the same order as those ... are low compared to other trawl estimates obtained for the region in other years. The above analyses ... consumption rate is spread throughout the year and should not be compared directly with standing stock ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 225–243 : Author(s): Murphy, E., I. Everson and A. Murray
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Acoustic estimates of krill biomass in the Elephant Island area: 1981–1993
for the years 1981 to 1993 (with the exception of 1982 and 1986). Estimates for 1981 to 1991 are based ... density over the 13-year period were 1 703 x 103 tonnes and 53.2 g/ 2. File: 01hewitt-demer.pdf ... Acoustic estimates of krill biomass in the vicinity of Elephant Island are presented for the years ... ) and biomass densities range from 2.5 g/m2 to 134.5 g/m2. Average biomass and average density over the 13-year ... in the vicinity of Elephant Island are presented for the years 1981 to 1993 (with the exception of 1982 and 1986 ... g/m2. Average biomass and average density over the 13-year period were 1 703 X 103 tonnes and 53.2 ... and average density over the 13-year period was l 703 X 10"onnes and 53.2 g/m2. The lowest estimate ... : 1981 to 1993. * excluding biomass of observed superswarms Year 1981 1983 1984 1984 1985 1987 ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 1–5 : Author(s): Hewitt, R.P. and D.A. Demer
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Killer whale (Orcinus orca) and sperm whale (Physeter macrocephalus) interactions with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic
as early as 1994 (SC-CAMLR, 1994), but in recent years anecdotal reports by observers and fi shers seem ... to the Prince Edward and Crozet Islands and Kerguelen (Yukov, 1972). Yukov (1972) reported that between ... respectively. Ashford et al. (1996) reported high levels of depredation with ‘almost the entire catch’ lost ... and longitude of the fi shing location and the time of the year. During the longline season (May to August ... vessels, although smaller groups (2–3 animals) were also relatively common. Interactions with killer ... with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic Abstract ... / Description: Killer whale (Orcinus orca) and sperm whale (Physeter macrocephalus) interactions with longline ... with both species. A comparison of geographic plots of cetacean sightings during hauls to fi shing ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 111–126 : Author(s): Purves, M.G., D.J. Agnew, E. Balguerías, C.A. Moreno and B. Watkins
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Investigations of required sampling regimes for environmental parameters
temperature over two years with a significance α of 0.05 and a power P of 0.8. Sampling wind speed ... mean temperature over two years with a significance α of 0.05 and a power P of 0.8. Sampling wind ... be sufficient to detect a 2 to 3°C change in monthly mean temperature over two years with a significance ... , v the degree is of freedom (=r(n-l), where r is the number of years or replicates over which the effect ... later. Wind direction was not investigated since it requires a different type of analysis (Mardia, 1980 ... similar mean values; data for January 1986 were not used because temperatures in that 563 year were ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 561–573 : Author(s): Agnew, D.J.
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Scientific observations in CCAMLR fisheries – past, present and future
that of their own country. This paper outlines the history of the scheme in terms of its logistics, participation ... that of their own country. This paper outlines the history of the scheme in terms of its logistics, participation ... and they operate on vessels under fl ags other than that of their own country. This paper outlines the history ... integrity and continuity from year to year. Any data submitted using an incorrect format is not accepted ... at the end of each fi shing trip and email them to the CCAMLR Secretariat3. This is important because ... damaged during interaction with marine mammals. Low Estimation of the number of hooks lost. has ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 81–98 : Author(s): Sabourenkov, E.N. and E. Appleyard
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Brief report of the joint Soviet-Australian expedition of the USSR FRV Professor Mesyatsev to the Australian fishing zone around the territory of Heard and McDonald Islands, May-August, 1987
of aggregation of ~. gunnari; Banks Shrednaya (middle), vostochnaya (eastern) and Schootchya (Pike ... E-W and N-S. The sea mountains (Banks) have the following names: 1. Youznays (Southern) 2. Shrednaya (Middle ... ) 3 .. zapadnaya (Western) 4. Shootchaya (Pike) 5. vostochnaya (Eastern) and further to the east 6. Novaya ... is bordered by a submarine valley and the slope into the valley is steep and dissected. On the eastern side ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 75-103 : Author(s): Gherasimchook, V.V., V.N. Brodin, A.V. Kljausov, I.B. Russelo, P.V. Tishkov and N.B. Zaremba
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Defining smaller-scale management units to further develop the ecosystem approach in managing large-scale pelagic krill fisheries in Antarctica
is discussed. In general, the early acquisition of information on the distribution of local populations ... units as well as undertaking an assessment of long-term annual yield. It is proposed that the early ... strategic advice on the effects of fishing is discussed. In general, the early acquisition of information ... . It is proposed that the early development of the fishery could be concentrated in a small number of units ... . In general, the early acquisition of information on the distribution of local populations of krill ... as undertaking an assessment of long-term annual yield. It is proposed that the early development of the fi ... , despite early consideration of the options that could be used to provide for an effective subdivision ... separate small-scale areas if the vector of transport is relatively predictable from one year to another ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 117–131 : Author(s): Constable, A.J. and S. Nicol
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The gentoo penguin as a candidate species for the CCAMLR Ecosystem Monitoring Program
years at Bird Island, South Georgia and at the South Shetland Islands (both within Integrated Study ... ), its residence in the ISRs in winter and its early attainment of sexual maturity are all features ... Based on dietary and other biological information collected over several years at Bird Island ... residence in the ISRs in winter and its early attainment of sexual maturity are all features of special ... on land throughout the year. 4.2 Early Sexual Maturity With typical ages of first breeding being ... and other biological information collected over several years at Bird Island, South Georgia ... and its early attainment of sexual maturity are all features of special relevance to the CEMP. Resume ... , unpublished data). Only in one year (1985) did the proportion of E. superba fall below 65%. During ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 483–488 : Author(s): Croxall, J.P. and T.D. Williams
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Joinville–D’Urville Islands (Subarea 48.1) – a former fishing ground for the spiny icefish (Chaenodraco wilsoni), at the tip of the Antarctic Peninsula – revisited
sh- ery in that area had ceased almost 15 years before and that commercial fi shing has been banned ... , 1983/84 and 1986/87. Nine, three, fi ve and six hauls were conducted in those years (Sosinski ... and Trella, 2001). USSR fi shing vessels from Murmansk and Kaliningrad fi shed in the area in most years ... stage or at an early stage of maturation (stage 2, early stage 3) in January–February or were juvenile ... Expedition ANT XIX/3 by RV Polarstern in February 2002. Five hauls were conducted north of the two islands at ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 1–20 : Author(s): Kock, K.-H., L. Pshenichnov, C.D. Jones, K. Shust, K.E. Skora and Zh.A. Frolkina