Resultados de la búsqueda
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Investigating emigration in stock assessment models of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–H
of a cohort of tagged fish with few being recaptured after more than 3 years at liberty, a steepening ... from 1 year at liberty; (ii) SSRU 88.2H using tag recaptures from 3 years at liberty; (iii) SSRUs 88.2C ... 88.2C-H using tag recaptures from 3 years at liberty, but excluding tags from the south. For each model ... and emigration, combined with moderate to high exploitation rates Within a single area model ...
Meeting Document : WG-FSA-14/56 : Autor(es): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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Field Identification Guide to Heard Island and McDonald Islands Benthic Invertebrates
-lock bag with a label clearly stating the trip number, haul number and fi shing ground. Freeze ... help further our understanding, invertebrate surveys over the past seven years have now revealed ... species. Illustrated with hundreds of representative photographs, it includes brief narratives on the ... (890123245(((006476.0(89 !"#$%&'(&)*!)$&%+$(+*,(-(#(.) /(#01%(1#*21#1&%+0*&)3*,1-1'.451)$*6.%4 ...
Document : Site Section: Publications
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Field Identification Guide to Heard Island and McDonald Island Benthic Invertebrates
-lock bag with a label clearly stating the trip number, haul number and fi shing ground. Freeze ... help further our understanding, invertebrate surveys over the past seven years have now revealed ... species. Illustrated with hundreds of representative photographs, it includes brief narratives on the ... (890123245(((006476.0(89 !"#$%&'(&)*!)$&%+$(+*,(-(#(.) /(#01%(1#*21#1&%+0*&)3*,1-1'.451)$*6.%4 ...
Document : Site Section: Science
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e-sc-xxx-a07.pdf
... -year study, with greater declines in catch rates from 2010 to 2011. Two years of mark-recapture data ... recapture years, similar to those estimated in 2010 with one year of data. 4.22 WG-FSA-11/38 presented an ... Shag Rocks, with fish 40–45 cm (age 3+ fish) in many hauls. This is assumed to be the cohort that was ... dominate before disappearing from the population with a frequency of around three years. The cause of
application/pdf attached to:WG-FSA-11Meeting Report : WG-FSA-11
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e-sc-xxvii-a5.pdf
... caught in some years, these year classes are not seen in large numbers in later years in the fishery ... -highest on record with a total of 2 666 tonnes out of a catch limit of 3 207 tonnes. The length ... + and 3+ fish, with difference in the size between Shag Rocks and South Georgia and with few small fish ... Encounters with VMEs, known and anticipated impacts of bottom fishing on VMEs
application/pdf attached to:WG-FSA-08Meeting Report : WG-FSA-08
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Norwegian Cruise to Kong Håkons VII Hav 28 February – 10 April 2019
, long line and 3-4 CDT station with extensive water sampling for primary production and water chemistry ... April 2019. Our focus area was the ocean south of 65°S east of 0° meridian and 13.5° E (Fig 1) with a ... . At different depths, we ran ROV transects filming and retrieving samples for later species ... contained in addition to the ROV transect, benthic sampling with appropriate gear, fish and krill trawling ...
Meeting Document : WG-EMM-2019/48 : Autor(es): H. Steen
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Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longlines
addition to providing a methodology that could be used in other areas with depredation issues, these ... aimed at providing two indirect methods of assessment of depredated biomass over an 11-year period (2003 ... loss d loss d j k l d B c c E c= å (3) where ( ) , ,j k lloss dB c equals the fish biomass lost ... estimates of fish biomass lost to depre- dation were then calculated by summing the results of equation 3 ... Cd: cells cd with available data in both absence and presence of odontocetes (equations 1, 2, 3, 4 ... 3), but no seasonal trend could be detected in grenadier catch rate (R2 = 0.00, P = 0.99) with a ...
Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 1–14 : Autor(es): Gasco, N., P. Tixier, G. Duhamel and C. Guinet
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CPUE indices used in Soviet krill fishery statistics from 1977 to 1992 and their possible utility for evaluation of relative changes in krill biomass
is diffi cult to trace the peaks associated with short hauls and low catches in Figures 3 and 4. At ... effort (CPUE) data from the early years of commercial krill fi shing operations in the Atlantic sector ... . Compared to the Atlas, the RIF statistics contain from 2 to 78% of data for various years and 34.2% of ... per vessel-days fi shed plus days with no actual catch due to stormy weather or absence of suitable ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 165–177 : Autor(es): Litvinov, F.F., A.Z. Sundakov and V.I. Arkhipov
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Species profile of mackerel icefish (Champsocephalus gunnari)
Abstract: Mackerel icefish (Champsocephalus gunnari) has been exploited since the early 1970’s ... ’s with annual catches of a few thousand tonnes in each of the two areas. Aspect of the biology and ... information is scattered over various CCAMLR working papers of the last 15 years. The species profile collates ...
Meeting Document : WG-FSA-07/12 : Autor(es): K.-H. Kock (Germany) and I. Everson (UK)
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Performance and geometry of the FP-120 trawl used during UK fish stock assessment surveys around South Georgia, Subarea 48.3
100 m, during operations with the 36/47 GOV trawl on the RV Argos. Later studies (e.g., Matuda et ... . ITpenc~asne~bi pe3ynb~a~b1 3 a ~ e p o ~ Tpana FP-120 B ( p a 6 o u e ~ p e x m e ) , npRMeHxsruerocx ... , biomass, finfish, CCAMLR INTRODUCTION Surveys using bottom trawls have been used for over 20 years to ... in 1992, the mini-transponder was lost on the first trawl on which it was deployed. Additionally ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 51–69 : Autor(es): Pilling, G. and G. Parkes