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Changes in the fish biomass around Elephant Island (Subarea 48.1) from 1976 to 1996
difficulties encountered in managing fisheries which exploit mixed-species assemblages, there appears to be ... from 1978/79 to 1988/89, with most of the commercial harvesting taking place in the first two years of ... in the 1980s showed that stocks of Champsocephalus gunnari, Notothenia rossii, Gobionotothen ... closure of the area in November/December 1996 suggested that the biomass of the standing stock of finfish ... managing fisheries which exploit mixed-species assemblages, there appears to be little prospect at present ... species should therefore be viewed with considerable caution. The stock was unfished in 1976 when dense ... increased again in the mid-1980s. Biomass estimates, which should be regarded with caution, however, were ... . However, we cannot exclude that with the arrival of a new fishing officer in the early 1990s changes in ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 165–189 : Автор(ы): Kock, K.-H
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Towards a strategic framework for assessing uncertainty in ecosystem dynamics models: objectives are sensitive too
that indentifying quantitative reference points for ecosystem based management will be an essential ... of the precautionary catch limit for krill. Foosa might therefore be a suitable simulation platform ... represent the key objectives of ecosystem based management: ecosystem productivity, health, resilience and ... services. Foosa was developed and evaluated through iterative interaction with scientific working groups ...
Meeting Document : WG-EMM-12/20 Rev. 1 : Автор(ы): S. Hill and J. Matthews (United Kingdom)
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Comparative feeding ecology of Patagonian toothfish (Dissostichus eleginoides) in the southwestern Atlantic
continental shelf/slope between 46°-55°S and 60°-64°W, and around South Georgia between 53°-55°30039; and 3 ... sexes were compared, and the feeding status of this species is discussed. D. eleginoides is a mixed ... ). It was also found that the diet of D. eleginoides varied in relation to its size and water depth in ... ) mentioned that D. eleginoides has been caught around the Crozet Islands, at depths of 90 to 1 020 m, with ... and 180 cm TL had stomachs with an index of 3 (Figure 5). This observation could be related to prey ... were compared, and the feeding status of this species is discussed. D. el'gitzoides is a mixed-species ... that the diet of D. elegiiloicles varied in relation to its size and water depth in both the shallow ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 105–124 : Автор(ы): García de la Rosa, S.B., F. Sánchez and D. Figueroa
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Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Signy Island, South Orkney Islands 2000/01
continue their campaign to ensure that vessels are aware of, and comply with, regulations prohibiting the ... Island, South Orkney Islands are reported for the 2000/2001 summer season. This is the first year in ... which there were no sightings of seals with neck collars of man-made debris. Data are compared with ... results from a parallel study undertaken at Bird Island, South Georgia in 2000/2001. In contrast to Signy ...
Meeting Document : SC-CAMLR-XX/BG/04 : Автор(ы): Delegation of the United Kingdom
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Depth distribution and spawning pattern of Dissostichus eleginoides at South Georgia
August, and with a low mean length at depth- April and July. Examination of maturity data suggests that ... in addition to a major spawning event in late July/August, there may be a small spawning event in ... with an approximately linear relationship existing between depth and fish length. A statistically ... significant pattern of changing mean length at depth with month was detected, suggesting movement of animals ... maturity data suggests that in addition to a major spawning event in late July/August, there may be a ... ., 1995), similar t o that i n Chilean waters (July t o August; Moreno et al., 1997) a n d a r ... August. The picture that emerges is of a species with distinct spawning times (at least two in ... length at depth are May and August, and with a low mean length at depth - April and July. Examination of ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 19–36 : Автор(ы): Agnew, D.J., L. Heaps, C. Jones, A. Watson, K. Berkieta and J. Pearce
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Revised research plan for the 2016/17 toothfish fishery in Division 58.4.4b by Japan and France
August for the current analysis, but not used the cleaning data provided by them in this early September ... geographical distribution of different size groups shows that small fish <60cm mainly occur in the shallow ... area in SSRU B. It is suggested that some juveniles in SSRU B migrate to other SSRUs and become ... methods were generally inconsistent with the observed numbers for each block, but the numbers using ...
Meeting Document : WG-FSA-16/33 Rev. 1 : Автор(ы): Delegations of Japan and France
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Changes in the fish biomass around Elephant Island (Statistical Subarea 48.1) from 1976 to 1996
exploit mixed-species assemblages there appears to be little prospect at present in re-opening the fishery ... been exploited from 1978179 to 1988189 with most of the commercial harvesting taking place in the first ... Elephant Island in the 1980s showed that stocks of Champsocephalus gunnari, Notothenia rossii ... the area in November-December 1996 suggested that the fish standing stock biomass had further declined ...
Meeting Document : WG-FSA-97/27 : Автор(ы): Kock, K.-H.
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Ecoregionalisation of the Kerguelen and Crozet islands oceanic zone. Part I: Introduction and Kerguelen oceanic zone
some of the boundaries of ecoregions with these ecological parameters so that some essential species ... , biogeochemical parameters, …),- Types of species assemblages with consideration of endemicity and ... species,…). In this process, the workshop verified the superposition of the ecoregional synthetic map with ... essential characteristics that support the creation of the ecoregion and estimated its ecological importance ...
Meeting Document : WG-EMM-16/43 : Автор(ы): P. Koubbi, C. Guinet, N. Alloncle, N. Ameziane, C.S. Azam, A. Baudena, C.A. Bost, R. Causse, C. Chazeau, G. Coste,C. Cotté, F. D'Ovidio, K. Delord, G. Duhamel, A. Forget, N. Gasco, M. Hautecœur, P. Lehodey, C. Lo Monaco, C. Marteau, A. Martin, C. Mignard, P. Pruvost, T. Saucède, R. Sinegre, T. Thellier, A.G. Verdier and H. Weimerskirch
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Antarctic fur seal (Arctocephalus gazella) pup growth rates obtained at Cape Shirreff, Livingston Island, South Shetlands: 1994/95 to 1997/98 (CEMP Index C2, Procedure B)
(1973-1987). From this comparison, Cape Shirreff039;s male pups resulted to have a faster growth with ... Shirreff039;s male pups grow faster in order to undergo with better body conditions higher latitude ... ). Further conclusions will have to be tested with larger data sets in order to establish possible ... both sexes, and assumptions of linearity and homogeneity of variance proved to be adequate (? =0.05 ...
Meeting Document : WS-AREA 48-98/18 Rev. 1 : Автор(ы): R. Hucke-Gaete, V. Vallejos and D. Torres (Chile)
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e-sc-xxiii-a4.pdf
... the second was concerned with questions of ecosystem dynamics that could be explored with the model ... of krill. 2.27 The Working Group agreed that this may be feasible next year with the further ... Group asked the Secretariat to confirm with Vanuatu that the data would be submitted to CCAMLR. 3.4 ... 1995. 1.4 Dr Hewitt outlined the program for the meeting. This was the fourth meeting with a mixed
application/pdf attached to:WG-EMM-04
Meeting Report : WG-EMM-04
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