Resultados de la búsqueda
-
Geographical differences in the condition, reproductive development, sex ratio and length distribution of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR Subarea 88.1)
study indicate measurable differences in a number of indices from toothfish found on the Ross shelf ... Paper Title: Geographical differences in the condition, reproductive development, sex ratio and ... length distribution of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR ... to 2004/05 fishing seasons on board the autoliner San Aotea II have been analysed. Results of this ... . mawsoni in the Ross Sea Table 7: Number of observations, arithmetic mean, and standard deviation of ... GEOGRAPHICAL DIFFERENCES IN THE CONDITION, REPRODUCTIVE DEVELOPMENT, SEX RATIO AND LENGTH DISTRIBUTION OF ... differences in a number of indices from toothfish found on the Ross shelf proper, as distinct from those ... , gonad condition (using maturity stages of Antarctic fish as specified in the CCAMLR Scientific ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 27–45 : Autor(es): Fenaughty, J.M
-
Survey of Antarctic fur seals in the South Shetland Islands, Antarctica, during the 1986/87 austral summer
Paper Title: Survey of Antarctic fur seals in the South Shetland Islands, Antarctica, during the ... 1986/87 austral summer Abstract / Description: A survey of Antarctic fur seals in the South Shetland ... . Twelve fur seal pupping sites were identified, some of which had not previously been reported. The ... largest pupping sites are at Telmo Island and Cape Shirreff, on the north coast of Livingston Island ... the north coast of Livingston Island. Total fur seal pup production in the South Shetland Islands in ... harvested and nearly exterminated in the 19th century. In the 1930's small numbers of fur seals (tens of ... were begun in the South Georgia vicinity, the number of pups born at Bird Island and South Georgia ... rookeries suitable as potential monitoring sites in the land-based network of the CCAMLR Ecosystem ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 427-440 : Autor(es): Bengtson, J.L., L.M. Ferm, T.J. Härkönen, E.G. Schaner and B.S. Stewart
-
Fishes of the Ross Sea Region – A field guide to common species caught in the longline fishery
working on toothfish longline fishing vessels to identify the main species of fishes taken in the Ross Sea ... fishes caught in the Ross Sea region longline fishery over time. This is because there is uncertainty ... about the identification of some of the fishes, and taxonomic study (beyond the scope of this guide) is ... region of Antarctica. Technical terms are kept to a minimum, and identification features are mostly those ... -43741-6 (online) 2014 Fishes of the Ross Sea Region A field guide to common species caught in the ... longline fishery FISHES OF THE ROSS SEA REGION. A field guide to common species caught in the longline ... longline fishing vessels to identify the main species of fishes taken in the Ross Sea region of ... caught in the toothfish fishery. Particular species or families of fishes should be retained for Te ...
Document : Site Section: Publications
-
Comparison between the CCAMLR-2000 and KY 1988 surveys on environmental variability of krill in the Scotia Sea, Antarctica
in December 1999. The Antarctic Surface Water mass, consisting of Winter Water and Summer Surface ... the area of the Antarctic Surface Water, in 1987/88 extended northward with high density. In contrast ... , the distribution of krill in 2000 reduced southward with low density. To generally understand the ... ? was located near 60S northward off the South Shetland Islands in 1987/88. In contrast, the isoline of ...
Meeting Document : WG-EMM-02/43 : Autor(es): M. Naganobu (Japan), M. Brandon (United Kingdom), K. Ito, K. Segawa (Japan) and V. Siegel (Germany)
-
Summary of the toothfish fishery and tagging program in the Ross Sea region (Subarea 88.1 and SSRUs 882A–B) through 2017/18
Protected Area, most of fishing effort was carried out in the historically fished areas. There was a small ... amount of effort in the northern area of SSRU 88.2A, which was opened to the exploratory fishery with the ... the SRZ and the area inside the General Protection Zone of the Ross Sea region MPA was taken in the ... distributions showed no trend over time in the shelf, slope or northern areas. Patterns in the age frequency of ...
Meeting Document : WG-FSA-18/46 : Autor(es): S. Mormede and S. Parker
-
Comparative biological characteristics of Electrona carlsbergi (Tåning) (Myctophidae) from the notal and Antarctic areas in the Southern Ocean Atlantic sector
length of fish from the Antarctic area increased while drifting eastward in the Antarctic circumpolar ... analysed were at age 2 to the west of 35°W and 3 yr old specimens, the portion of which made up to 40% in ... catches, occurred in much high amount to the east of 30°W. In the notal area the length of E. carlsbergi ... fish at age 1+ (to 75%) being noted in separate catches. Essential distinctions in a nature of the ...
Meeting Document : WG-FSA-90/21 : Autor(es): K.V. Gorchinsky, V.M. Kiseleva and A.A. Filin (USSR)
-
Revised research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. with special reference to the information on spawning dynamics in Division 58.4.3a
results in other regions in the Southern Indian Ocean. The stock seems to be self-sustainable because of ... the existence of fish with advanced gonadal indices in the slope area and recruitment of small sized ... fish mainly in the shallow area, although the stock has a possibility of metapopulation throughout the ... / fisheries management of Dissostichus spp. population(s) in data- poor exploratory fisheries. During the ...
Meeting Document : WG-FSA-15/19 : Autor(es): Delegation of Japan
-
Information on the status of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in the lower South Shetland Islands derived from a long-term monitoring program (1983–2006) at Potter Cover
decline in trammel net catches of fjord fishes of the species Notothenia rossii and Gobionotothen ... . rossii catches from 1991 to 2006, the actual levels are half of those found in the early 1980s, while ... abundance of N. rossii showed an increase in years 2002-2003, whereas G. gibberifrons was absent in the ... likely explanation for the decrease in recruitment to the inshore sub-populations of N. rossii and G ...
Meeting Document : WG-FSA-06/25 : Autor(es): E.R. Barrera-Oro and E.R. Marschoff (Argentina)
-
Review of the technical recommendations for the Patagonian toothfish fishery in order to minimize by-catch
Abstract: The Patagonian toothfish fishery in the EEZ of Kerguelen (division 58-5-1) and Crozet ... recommendations in order to minimize fish by-catch of fish that are not targeted by the fishery campaign of 2011 ... obtained with the enforcement of these measures are analyzed, some quantified targets will be defined in ... regarding the accidental mortality represent one of the main factors for assessing fishing vessels. In the ...
Meeting Document : SC-CAMLR-XXX/BG/10 : Autor(es): Delegation of France
-
Integrated analysis of the by-catch data in the Ross Sea toothfish fishery
hooks) and normalized target catch ratio. There was evidence of distinct differences in the mean (and ... Abstract: The indices of exploratory toothfish fishery in the Ross Sea for the period of 2008 ... the flag States, should be considered as the primary cause of the observed variability in the ... target catch ratio in the Ross Sea. The observed influence of the longline gear types (Autoline ...
Meeting Document : WG-FSA-16/13 Rev. 1 : Autor(es): S. Kasatkina