Résultats de la recherche
-
Fishing ground selection in the Antarctic krill fishery: trends in patterns across years, seasons and nations
Paper Title: Fishing ground selection in the Antarctic krill fishery: trends in patterns across ... characterised using STATLANT and CCAMLR fine-scale data. Among the 15 small-scale management units (SSMUs ... ) within Subareas 48.1, 48.2 and 48.3, including the pelagic SSMUs, only one-third were identified as major ... contributors to the total catch. A recent shift in operational timing towards later months within fishing ... negligible catch in 1999). Except for 1988, almost no catches were reported from the pelagic area in ... mainly during summer to autumn. Almost no catch was made from Subarea 48.1 except in autumn 1990. The ... fishery in Area 48 could be divided into two sub-periods. The first period is 1980–1989, when no fishing ... -free dur- ing winter with no fishing operations. Also, if the fishing operations of individual nations ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 117–141 : Auteur(s): Kawaguchi, S., S. Nicol, K. Taki and M. Naganobu
-
An updated descriptive analysis of the toothfish (Dissostichus spp.) tagging program in Subareas 88.1 and 88.2 for 2006/07
Abstract: The descriptive analyses of the toothfish tagging programme carried out in Subareas ... 88.1 and 88.2 since 2001 are updated, including data for the 2007 season for all vessels. This paper ... provides an update of the preliminary tag-release and tag-recapture data that were presented at the July ... , and 911 Patagonian toothfish released and 43 recaptured since 2001. The number of tags recaptured in ...
Meeting Document : WG-FSA-07/40 : Auteur(s): A. Dunn, S.M. Hanchet and S.L. Ballara (New Zealand)
-
On the problem of by-catch of juvenile fish in krill fishery
conducted during 1985-1988 in the Kosmonavtov and Sodruzhestva seas (Antarctic Indian Ocean sector). Isaacs ... -Kidd trawl with an opening area of 6.0 m2 was used. Trawls were taken in the 0-200 m surface layer over ... the bottom depth range from 100 to 5000 m. In 1988, studies included catches taken by a commercial ... krill trawl with an opening area in a small meshed section of the trawl beg of 100 m2. Catches were ...
Meeting Document : WG-FSA-92/10 : Auteur(s): C.A. Pankratov and E.A. Pakhomov (Ukraine)
-
Precautionary measures for a new fishery on Martialia hyadesi (Cephalopoda, Ommastrephidae) in the Scotia Sea: an ecological approach
, Ommastrephidae) in the Scotia Sea: an ecological approach Abstract / Description: In anticipation of the ... development of a new fishery for the ommastrephid squid Martialia hyadesi in the Scotia Sea, this paper ... presents a revision of annual consumption of the species by higher predators and provides a brief review of ... information about the life cycle and distribution of the species obtained from research fishing and commercial ... ommastrephid squid, is semelparous. There are no data on the second year of the life cycle and little or no ... whales. There are no data on diet of long-finned pilot whales in the Antarctic but elsewhere they are ... harvested in accordance with Article 11 because there is no way of estimating the proportional escapement ... , including the egg stage. However, no squid more than one year old have been examined so, until more data ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 125–139 : Auteur(s): Rodhouse, P.G
-
Preliminary proposal for designation an Antarctic Specially Protected Area in the Argentine Islands Archipelago and nearby Graham Coast Antarctic Peninsula region
the Argentine Islands Archipelago as well as CEMP sites managed by Ukraine. Since 2003 Ukraine has ... Abstract: Ukraine is planned to establish the Antarctic Specially Protected Area (ASPA) at the ... region of Argentine Islands Archipelago, adjacent islands of the Wilhelm Archipelago and costal oases of ... nearby Graham Coast Antarctic Peninsula (short abbreviation – AIGC ASPA). This ASPA will include the ...
Meeting Document : SC-CAMLR-38/BG/21 Rev. 1 : Auteur(s): Delegation of Ukraine
-
Australia: An integrated stock assessment for the Heard Island and McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2
activity across the Kerguelen Plateau. FRDC Report, No 2010/064 Yates et al (2018) Spatio-temporal ... Slide 1 An integrated stock assessment for the ... /img.py/5757.jpg?width=600&height=480 Overview 1. Introduction: The fishery in Division 58.5.2 2 ... 1. Introduction: The fishery in Division 58.5.2 • Adjacent to Patagonian toothfish fishery in ...
Document : Site Section: Meetings
-
An assessment of the mackerel icefish (Champsocephalus gunnari) off Heard Island
Paper Title: An assessment of the mackerel icefish (Champsocephalus gunnari) off Heard Island ... Abstract / Description: Assessments of the abundance and potential yield of the mackerel icefish ... (Champsocephalus gunnari) populations at Heard Island are developed from the results of four scientific surveys ... conducted in 1990, 1992, 1993 and 1997. The assessments include estimates of all the parameters required ... Heard Island. Figure 2 shows no apparent relationship between the numbers of recruits on the plateau ... though virtually no pre-spawning 2-year-old fish were taken with this gear in 1997, the proportion of ... of 'small fish' was difficult. The general yield assessments below show that there is no ... is to calculate the fishing mortality which would result in a probability of no more than 0.05 that ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 79–101 : Auteur(s): de la Mare, W.K., R. Williams and A.J. Constable
-
Towards the development of a management plan for mackerel icefish (Champsocephalus gunnari) in Subarea 48.3
Paper Title: Towards the development of a management plan for mackerel icefish (Champsocephalus ... gunnari) in Subarea 48.3 Abstract / Description: Management of the mackerel icefish (Champsocephalus ... gunnari) at South Georgia is complicated by the likelihood of substantial periodic variations in natural ... outlines a scheme which would use information from studies on krill and predators undertaken as part of the ... years 1978 and 1984 there are no survey estimates from which one could derive estimates of M, but the ... , there also appears to be a decline the previous year. There is no indication of a major decline in ... situation where even under conditions of no exploitation the population often drops to less than 20% of ... CCAMLR Science, Vol. 5 (1998): 63-77 TOWARDS THE ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 63–77 : Auteur(s): Agnew, D.J., I. Everson, G.P. Kirkwood and G.B. Parkes
-
Long-term monitoring of krill recruitment and abundance indices in the Elephant Island area (Antarctic Peninsula)
Paper Title: Long-term monitoring of krill recruitment and abundance indices in the Elephant ... for the Elephant Island area with regard to the representativeness of the study area (60°-62 o 30´S ... were re-calculated applying the delta distribution approach introduced by de la Mare (1994a). The high ... interannual variability of krill recruitment is confirmed by the present analysis. Results are compared for ... certainly no problem for postlarval krill. (iii) Estimating the proportions of the distribution mixture ... the statistical package S-Plus. The null hypothesis that there is no difference between years is ... assumption that there has been no persistent change in krill density should be tempered with the caution ... MONITORING OF KRILL RECRUITMENT AND ABUNDANCE INDICES IN THE ELEPHANT ISLAND AREA (ANTARCTIC PENINSULA) V ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 19–35 : Auteur(s): Siegel, V., W. de la Mare and V. Loeb
-
Measurements of differences in the target strength of Antarctic krill (Euphausia superba) swarms at 38 kHz and 120 kHz
Paper Title: Measurements of differences in the target strength of Antarctic krill (Euphausia ... superba) swarms at 38 kHz and 120 kHz Abstract / Description: Differences in the target strength of adult ... differences in the mean back-scattering strength of swarms simultaneously insonified at these two frequencies ... in studies off the South Orkneys and Elephant Island in March 1990. Back-scattering strengths at 120 ... 100 m over an interval in which no krill were evident on either sounder in the upper 100 m, to check ... as a source of error. Similarly, there was no noticeable difference in L\ MSBS when the frequencies ... WG-KRILL-90/28 MEASUREMENTS OF DIFFERENCES IN THE ... * * Abstract Differences in the target strength of adult (36 to 60 mm) Antarctic krill (Euphausia superba ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 75–86 : Auteur(s): Hampton, I.