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Scientific observations in CCAMLR fisheries – past, present and future
strategy has often had to deal with incomplete and uncertain information on affected resources. Fishery ... own country. This paper outlines the history of the scheme in terms of its logistics, participation ... sheries, CCAMLR’s fi sheries management strategy has often had to deal with incomplete and uncertain ... operate on vessels under fl ags other than that of their own country. This paper outlines the history of ... associated with fi shing (see observer task (v) above)2. More recently, scien- tifi c observers have also ... Member). Designating Members appoint scientifi c observers who are familiar with harvesting and ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 81–98 : Autor(es): Sabourenkov, E.N. and E. Appleyard
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Defining smaller-scale management units to further develop the ecosystem approach in managing large-scale pelagic krill fisheries in Antarctica
effects of fishing is discussed. In general, the early acquisition of information on the distribution of ... the early development of the fishery could be concentrated in a small number of units in such a way ... ), Subarea 48.2 (middle panel) and Subarea 48.1 (bottom panel). The season marked by each title year and ... general, the early acquisition of information on the distribution of local populations of krill and the ... undertaking an assessment of long-term annual yield. It is proposed that the early development of the fi ... been resolved, despite early consideration of the options that could be used to provide for an ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 117–131 : Autor(es): Constable, A.J. and S. Nicol
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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
). Ichthyoplankton collections were made with a drifting PNS-1 net. 3. The bottom was sampled at some shallower ... mountains (Banks) have the following names: 1. Youznays (Southern) 2. Shrednaya (Middle) 3 ... . On the eastern side of the border of the fishing ground is a broad basis with gentle slopes. The ... from 1-166 mg per 10 minutes of trawling with the BMS-3 net (mean 33.7g/10 min of trawl). The least ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 75-103 : Autor(es): Gherasimchook, V.V., V.N. Brodin, A.V. Kljausov, I.B. Russelo, P.V. Tishkov and N.B. Zaremba
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Acoustic estimates of krill density at South Georgia, 1981 to 1998
from year to year over that time, ranging from ≈ 2 to ≈ 150 g m-2 (fresh mass). The 1982, 1991 and ... years; by convention the year given refers to the year in which the season ended) BAS has conducted ... years ,90' ,982 ,9i5 ,pB ,9+ ,9s6 $6' 40% ,989 ,99' ,992 ,9@ ,9qb ,9qb ,9q6 ,992 49% Year Figure 2 ... given year is less than p - o for all years, then the year in Acoustic estimates of krill density ... ), four years exhibited greater density in the east. The year deviating from this pattern, 1994, was ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 47–57 : Autor(es): Brierley, A.S., J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson
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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
Expedition ANT XIX/3 by RV Polarstern in February 2002. Five hauls were conducted north of the two islands at ... sh belonged to age classes 3 and 4, with very few 2- and 5-year-old fi sh present (n = 163 ... stage or at an early stage of maturation (stage 2, early stage 3) in January–February or were juvenile ... –33cm long) were either resting (stage 2) or in an early stage of maturation (beginning stage 3 ... age classes 2 and 3, with some age 4 and a few age 5 individuals present (n = 79). In 1980, most fi ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 1–20 : Autor(es): Kock, K.-H., L. Pshenichnov, C.D. Jones, K. Shust, K.E. Skora and Zh.A. Frolkina
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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 ... in winter), its residence in the ISRs in winter and its early attainment of sexual maturity are all ... Maturity With typical ages of first breeding being at two and three years old (Williams, 1990), gentoo ... any, CEMP species which are readily accessible on land throughout the year. 4.2 Early Sexual ... dietary and other biological information collected over several years at Bird Island, South Georgia and ... ISRs in winter and its early attainment of sexual maturity are all features of special relevance to ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 483–488 : Autor(es): Croxall, J.P. and T.D. Williams
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Towards the development of a management plan for mackerel icefish (Champsocephalus gunnari) in Subarea 48.3
mortality rates. These may be associated with increased consumption of C. gunnari by Antarctic fur seals in ... years of poor krill availability. Thus natural ortality of C. gunnari may, in some years, increase by a ... predictions of coming periods of krill scarcity as early warnings of increased natural mortality of C. gunnari ... based on the CCAMLR generalised yield model (GYM), with periodically varying natural mortality, provides ... rates. These may be associated with increased consumption of C. gunnari by Antarctic fur seals in years ... fishing pressure. Rather, they may have been associated with increased predation by fur seals in years ... early 1990s detected large declines in the C. gunnari population in the years 1990/91 and 1993/94 ... warning of a possible period of krill scarcity some months later at South Georgia. 3. Monitoring of ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 63–77 : Autor(es): Agnew, D.J., I. Everson, G.P. Kirkwood and G.B. Parkes
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A proposed management procedure for the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity
catches made. An MP with control parameter values specified is proposed for implementation based on the ... longline catch landed early sel The longline selectivity function of the earlier years (1997–2002) of ... the reference set of OMs (see Table A.4). 3. The TAC for the starting year 2007 (TAC2007) is set to ... years (i.e. 2008, 2009, etc. for year y’), the generated longline CPUE abundance indi- ces and longline ... MP with control parameter values specified is proposed for implementation based on the results of ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 33–69 : Autor(es): Brandão, A. and D.S. Butterworth
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Factors to consider in developing management measures for krill
Living Resources is given along with an outline of steps for the evolution of management procedures for ... Convention for the Conservation of Antarctic Marine Living Resources is given along with an outline of ... baleen whales in the Antarctic (Laws, 1977). The baleen whales were the object of major fisheries, with ... Convention, the term 'conservation' includes rational use. 3. Any harvesting and associated activities in ... the area to which this Convention applies shall be conducted in accordance with the provisions of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 175–187 : Autor(es): de la Mare, W.K.
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A composite recruitment index to describe interannual changes in the population structure of Antarctic krill at South Georgia
target or station net hauls is described. This composite index is compared with an index where density ... %), while between 1994 and 1998 the number of 1+ krill found in the population increased with a very ... successful recruitment year due to krill spawned in 1994/95. File: 06watkins.pdf ... used four year classes with the mean size of l + krill occurring between 24 and 30 mm (Table 3 ... krill occurring at the eastern end of the island early in the season are likely to be transported ... dominates the pelagic population sampled at South Georgia in five of the seven years sampled and the 3 ... /98 Length-density plots for each cruise with the relative contributions of the different year ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 71–84 : Autor(es): Watkins, J.L