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Areas of seabed within selected depth ranges in the South-West Atlantic and Antarctic Peninsula regions of the Southern Ocean
Paper Title: Areas of seabed within selected depth ranges in the South-West Atlantic and ... Antarctic Peninsula regions of the Southern Ocean Abstract / Description: Data were tabulated for FAO sub ... these categories. Areas estimated from admiralty charts were expressed as percentages for the following ... ;500m. Extra detailed information was presented for subdivisions 50, 51, and 52 of sub-area 48.3. File ... SELECTED DEPTH RANGES IN THE SOUTH-WEST ATLANTIC AND ANTARCTIC PENINSULA REGIONS OF THE SOUTHERN OCEAN 1 ... IN THE SOUTH-WEST ATLANTIC AND ANTARCTIC PENINSULA REGIONS OF THE SOUTHERN OCEAN I. Everson ... . there is no overlap in the area measured). * I. Everson, Areas of Seabed within Selected Depth Ranges ... in the South-West Atlantic and Antarctic Peninsula Regions of the Southern Ocean, British Antarctic ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 49-73 : Автор(ы): Everson, I.
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The ecosystem approach to managing fisheries: achieving conservation objectives for predators of fished species
for the recovery of depleted populations in food webs supporting fisheries. This paper addresses the ... of fished species, and (iii) what approaches could be considered for achieving the conservation ... objectives? The approach proposed here takes account of uncertainties in knowledge of the structure of ... ecosystems. Estimates of predator production arising from the consumption of fished species (encapsulated in ... encapsulated in the Convention for the Conservation of Antarctic Marine Living Resources (hereafter referred ... the fished species may be in need of explicit conservation efforts to enable recovery, e.g. the ... changes in the interactions of predators with prey species. Second, conservation objectives must be met ... increases its mean abundance over 10 years after the fishery begins as a result of the reduction in its ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 37–64 : Автор(ы): Constable, A.J
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Preliminary results of research activities of RV Evrika in the Scotia Sea in January-March 1988
Paper Title: Preliminary results of research activities of RV Evrika in the Scotia Sea in January ... -March 1988 Abstract / Description: In 1987/88 a multi-disciplinary survey was conducted of the Scotia ... South Georgia in particular were surveyed twice. Research activities are part of the program implemented ... in areas of the Atlantic Sector of the Southern Ocean identified for monitoring by CCAMLR. During the ... ACTIVITIES OF RV EVRIKA IN THE SCOTIA SEA IN JANUARY-MARCH 1988 L.1. Maklygin , A.S. Fedorov, V.N. Shnar ... activities are part of the program implemented in areas of the Atlantic Sector of the Southern Ocean ... eastwards. Krill concentrations were observed in the waters to the southeast of South Georgia where ... relatively small crustaceans of less than 35 mm dominated. In the east Scotia Sea a higher abundance of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 215-229 : Автор(ы): Maklygin, L.I., A.S. Fedorov, V.N. Shnar, Yu.A. Shulyakovsky, I.V. Krasovsky, Yu.D. Shuvaev and A.V. Kromsky
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Annual changes in species composition and abundance of myctophid fish in the north of South Georgia (Subarea 48.3), Antarctica, during austral winters from 2002 to 2008
Paper Title: Annual changes in species composition and abundance of myctophid fish in the north ... . Additionally, the size distribution of P. choriodon was unimodal, indicating that individuals in the samples ... / Description: Species composition and abundance of myctophid fish were analysed using the fish by-catch ... samples collected by scientific observers on board Japanese commercial krill fishing vessels in the area ... CCAMLR has expressed concerns about the impact of incidental catch in the krill fishery on some fish ... that myctophid fish constituted an important part of small fish species caught inci- dentally in the ... composItIon And AbundAnce of myctophId fIsh In the north of south georgIA (subAreA 48.3), AntArctIcA ... observers on board Japanese commercial krill fishing vessels in the area north and northwest of South ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 155–163 : Автор(ы): Iwami, T., M. Naganobu, K. Taki and M. Kiyota
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Characteristics of seasonal variation in diurnal vertical migration and aggregation of Antarctic krill (Euphausia superba) in the Scotia Sea, using Japanese fishery data
of Antarctic krill (Euphausia superba) in the Scotia Sea, using Japanese fishery data Abstract ... / Description: Seasonal variation in the diurnal vertical migration and aggregation of Antarctic krill ... Paper Title: Characteristics of seasonal variation in diurnal vertical migration and aggregation ... austral summer and early autumn, deepened gradually from autumn and reached maximum depth in winter in the ... AGGREGATION OF ANTARCTIC KRILL (EUPHAUSIA SUPERBA) IN THE SCOTIA SEA, USING JAPANESE FISHERY DATA K. Taki ... SO. It is suggested that the seasonal and diurnal changes in vertical migration and aggregation of ... been written on diurnal variations in the behaviour of krill aggregations (Mauchline, 1980; Everson ... . (1999) have studied the seasonal variation in diurnal vertical migra- tion and aggregation of Antarctic ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 163–172 : Автор(ы): Taki, K., T. Hayashi and M. Naganobu
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Size and density of krill layers fished by a Japanese trawler in the waters north of Livingston Island in January 1988
Paper Title: Size and density of krill layers fished by a Japanese trawler in the waters north of ... Livingston Island in January 1988 Abstract / Description: The size and density of fishable krill layers in ... RV Kaiyo Maru and a Japanese trawler. The mean values of layer length, thickness and surface density ... the northern waters of Livingston Island were determined during the co-operative survey carried out by ... layer was fished per haul in 88% of hauls. The mean towed layer length was 3.25 km (the mode was 4.5 ... BY A JAPANESE TRAWLER IN THE WATERS NORTH OF L1VINGSTON ISLAND IN JANUARY 1988 Y. Endo and Y ... . Shimadzu Abstract The size and density of fishable krill layers in the northern waters of Livingston ... necessary in order to estimate the possible effect of fishing on krill abundance. This paper provides ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 339–345 : Автор(ы): Endo, Y. and Y. Shimadzu
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A quantified Bayesian Maximum Entropy estimate of Antarctic krill abundance across the Scotia Sea and in small-scale management units from the CCAMLR-2000 Survey
units (SSMUs), were estimated. Abundance in some of the individual SSMUs had not previously been ... estimated due to the sparseness of data in these regions. The MaxEnt formalism allows an objective choice of ... the conservation and management potential of the CCAMLR-2000 Survey. File: 05heywood-etal.pdf ... the Scotia Sea and in small-scale management units from the CCAMLR-2000 Survey Abstract / Description ... , substantial parts of regions 1, 2, 8, 9, 13 and 16 lie outside the survey area. In these cases, the mean ... QuAntified BAyesiAn MAxiMuM entropy estiMAte of AntArctic Krill ABundAnce Across the scotiA seA And in ... the individual SSMUs had not previously been estimated due to the sparseness of data in these regions ... Bayesian framework also allows intrinsic calculation of the error in the density estimates. The total ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 97–116 : Автор(ы): Heywood, B.G., A.S. Brierley and S.F. Gull
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By-catch, growth and feeding of Antarctic juvenile fish taken in krill (Euphausia superba Dana) fisheries in the South Georgia area, in 1992
± 103 and 1 388 ± 248. The mean standard length of C. gunnari was 68.5 to 79.7 mm in May and June and ... 93 mm in late July. The mean growth rate of this species over this period is estimated to be 0.37 mm ... 47.4 mm) and yearlings (72.5 to 73.7 mm). In late July the mean length of fingerlings increased to 48.5 ... mm. The mean daily length increase in N. larseni is estimated to be 0.08 mm. The diet, by mass, of ... standard length of C. gunnari was 68.5 to 79.7 mm in May and June and 93 mm in late July. The mean growth ... ). In late July the mean length of fingerlings increased to 48.5 mm. The mean daily length increase in ... following are the unbiased estimators of recruitment of commercial fish stocks in these the efficient mean ... catch in Subarea 48.3 and the mean number of juvenile fish in terms of by-catch/tonne krill (CCAMLR ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 129–142 : Автор(ы): Pakhomov, E.A. and S.A. Pankratov
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Hook selectivity in the longline fishery of Dissostichus eleginoides (Nototheniidae) off the Chilean coast
Paper Title: Hook selectivity in the longline fishery of Dissostichus eleginoides (Nototheniidae ... Chilean fisheries of the Patagonian toothfish, Dissostichus eleginoides is reviewed in order to study ... worth noting that the ratio of females increases significantly in catches, when the size of straight ... selectivity of different types and sizes of hooks used in longlines. Original data obtained during 1991 off ... selectivity could result in the development of a conservation measure analogous to the selection of distance ... in longlines. Original data obtained during 1991 off the coast of Valdivia, South East Pacific, are ... does not result in significant differences. It is worth noting that the ratio of females increases ... significantly in catches, when the size of straight hooks is increased (e.g., from 4 to 3) or when circle hooks ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 107–119 : Автор(ы): Moreno, C.A.
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A first attempt at an assessment of the Patagonian toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands EEZ
eleginoides) resource in the Prince Edward Islands EEZ Abstract / Description: The history of the fishery for ... Paper Title: A first attempt at an assessment of the Patagonian toothfish (Dissostichus ... Patagonian toothfish (Dissostichus eleginoides) in the Prince Edward Islands Exclusive Economic Zone (EEZ) is ... a robust indication that the spawning biomass has been depleted to, at most, a few percent only of ... . This notifi cation followed the format of CCAMLR Conservation Measure 31/X. In keeping with the ... ) resource in the Prince Edward Islands Exclusive Economic Zone (EEZ) because of the high level of illegal ... catch limit and for surveillance are discussed. HISTORY OF THE FISHERY The Fishery In early 1996 ... in November 1995, as part of the Prince Edward Islands EEZ falls within the CCAMLR Convention Area ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 11–32 : Автор(ы): Brandão, A., D.S. Butterworth, B.P. Watkins and D.G.M. Miller
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