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Fishes: Trophic modelling of the Ross Sea
Sea, especially notothenioids, may spend one or two years in the water column before becoming ... –1200 100M O Bathyraja sp. B SD/MD 30–1200 100M O Amblyraja georgiana B SD/MD 20–1200 100M C ... of 20–30% (e.g. Hartman & Brandt 1995; Holmes & Donaldson 1969) implies a range of 0.09–0.12 gC gWW ... two specimens, one of which was caught in the Ross Sea, and this species is not considered further ...
Document : Site Section: Publications
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Schedule of Conservation Measures in Force 1993/94
Article 5 when using a weight or dynamometer, one series of 20 meshes only shall be measured ... Sequence of Inspection Procedure 1. The inspector shall measure one series of 20 meshes, selected in ... additional series of 20 meshes selected in accordance with Article 3 shall be measured. The mesh size shall ... season begins on 1 July and finishes on 30 June of the following year. This limit shall be kept under ...
Document : Site Section: Publications
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Scientific Abstracts 2002
and Management). Unpublished papers must not be cited without written permission of the author(s ... representative for a wider region. Generally the proportional recruit- ment indices for one- (R1) and two-year ... classes of the age-one group which occur in the samples of some years. WG-EMM-02/21 Seasonal and ... of entanglements showed an increase from recent years, with 20 entan- glements reported over winter ... rossii observed in the last 18 years around the South Shetland Islands may be one of the reasons for ...
Document : Site Section: Publications
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Fishery Report 2013: Closed fishery for Dissostichus spp. in Divisions 58.4.4a and 58.4.4b
2010, the last year in which IUU catch was recorded, an estimated 80 tonnes was taken from Division ... . These ages may be overestimated by one year due to an interpretation issue concerning the location of ... 30 November 2013). FISHERY REPORT 2013: CLOSED FISHERY FOR DISSOSTICHUS SPP. IN DIVISIONS ... to fishing north of 60°S, and in waters outside areas of national jurisdiction1. The longline ...
Document : Site Section: Publications
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Fishery Report 2014: Closed fishery for Dissostichus spp. in Divisions 58.4.4a and 58.4.4b
to 48 years for females and from 5 to 48 years for males. These ages may be overestimated by one ... other species combined – 20 tonnes. 7 23. If the by-catch of any one species is equal to, or ... greater than, 1 tonne in any one haul or set, then the fishing vessel must move at least 5 n miles away ... 1 December 2013 to 30 November 2014). Fishery Report 2014: Closed fishery for ...
Document : Site Section: Publications
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Fishery Report 2017: Exploratory fishery for Dissostichus eleginoides in Division 58.4.3a
Japanese-flagged vessel using longlines, one French vessel fished. 2 5. For 2018, one vessel ... was observed in 2012. The 2013 catch had broad modes evident at approximately 50–80 and 90–130 cm ... days. 20. If the catch of Macrourus spp. taken by a single vessel in any two 10-day periods exceeds ... ) in each year are provided. Note: length-frequency distributions are only presented for those years ...
Document : Site Section: Publications
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Whale depredation – Data collection guidelines
”, causing losses of tens of millions dollars to the fishing industry annually (Tixier et al. 2010). s ... based on ten years of experience around the islands of Kerguelen and Crozet (Southern Indian Ocean ... integrated) bottom longlines. The fishery has had 100% observer coverage for the last 15 years. Data on ... toothfish in this region. In this fishery seven vessels operate all year round using only automatic (weight ... Kerguelen Islands. Here, every haul is observed for odontocetes even one longline is hauled in two ... time arrival 00:30 00:20 photos yes / no yes comment good series of tail stay a bit far ... whales Best pictures to take Angle 90° 60-120 and 270° 240-300 0° 330-30 and ... ................................................................................................................ 20 2. PHOTO-IDENTIFICATION ...
Document : Site Section: Science
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SIOFA Executive Secretary Sessions Reports
the Parties, to allow for a two month comment period with a revised draft circulated not less than 30 ... two years in Mauritius, was submitted to the Meeting of the Parties for their consideration. 39 ... . ability to deliver functions prescribed in Article 9 of the Agreement and as follows: i. Receiving and ... next meeting of the Parties, to allow for a two month comment period with a revised draft circulated ...
Document : Site Section: The Organisation
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Fishery Report: Dissostichus eleginoides Heard Island (Division 58.5.2)
) (b) 2002 2004 2006 2008 0 10 00 0 20 00 0 30 00 0 40 00 0 Year of Survey B io m as s (t ... 2031 2038 0 20 00 0 40 00 0 60 00 0 80 00 0 10 00 00 12 00 00 Year S S B (t on ne s ... to +/- one standard error of the estimate and the fitted series (line). 80 90 100 110 120 130 140 ... selectivity for 6-year-old fish, effectively declining to zero for fish older than 20 years. The length ...
Document : Site Section: Publications
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Fishery Report: Dissostichus eleginoides Heard Island (Division 58.5.2)
2008 2010 0 10 00 0 20 00 0 30 00 0 40 00 0 Year of Survey B io m as s (t) TOP 58.5.2 ... in WG-FSA- 09/20. Since then a substantial number of fish have been aged for all survey years from ... U E 60 80 100 120 0 10 0 20 0 30 0 40 0 B0 (1000 t) To ta l O bj ec tiv e V al ue b ... catch older fish (>20 years) than trawl gear which has high selectivity for 6-year-old fish ...
Document : Site Section: Publications
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