Résultats de la recherche
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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 ... Year-of-the-Skate........................................................................... 361
application/pdf attached to:WG-FSA-08Meeting Report : WG-FSA-08
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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 ... and emigration, combined with moderate to high exploitation rates Within a single area model ... significant amount of immigration each year to explain the remaining data. Models that include more than one ...
Meeting Document : WG-FSA-14/56 : Auteur(s): 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 ... species. Illustrated with hundreds of representative photographs, it includes brief narratives on the ... of HIMI region, with specifi c reference to benthic habitats. They identifi ed several key habitats ... from ad-hoc sampling of invertebrates collected in trawl surveys of fi sh in the early 1990s. Hence ...
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 ... species. Illustrated with hundreds of representative photographs, it includes brief narratives on the ... of HIMI region, with specifi c reference to benthic habitats. They identifi ed several key habitats ... from ad-hoc sampling of invertebrates collected in trawl surveys of fi sh in the early 1990s. Hence ...
Document : Site Section: Science
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The Ross Sea, Antarctica, where all ecosystem processes still remain for study
lost its large baleen whales but otherwise is intact. A huge multidisciplinary, international ... biological populations, with these models applied elsewhere in the Southern Ocean and the World. Author(s ... past 45 years. In particular the activities of the US, NZ and Italian Antarctic programs have been a ...
Meeting Document : WG-EMM-02/60 : Auteur(s): D. Ainley (USA)
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A composite recruitment index to describe interannual changes in the population structure of Antarctic krill at South Georgia
target or station net hauls is described. This composite index is compared with an index where density ... %), while between 1994 and 1998 the number of 1+ krill found in the population increased with a very ... successful recruitment year due to krill spawned in 1994/95. File: 06watkins.pdf ... used four year classes with the mean size of l + krill occurring between 24 and 30 mm (Table 3 ... /98 Length-density plots for each cruise with the relative contributions of the different year ... the maximum permitted size (30 mm). Therefore all analyses were rerun using five year classes with a ... a good separation between the l + and 2+ krill sizes in any one year (with the exception of 1997 ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 71–84 : Auteur(s): Watkins, J.L
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Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longlines
aimed at providing two indirect methods of assessment of depredated biomass over an 11-year period (2003 ... addition to providing a methodology that could be used in other areas with depredation issues, these ... communi- ties co-exist with elephants? A five-year case study in East Caprivi, Namibia. Biol. Cons., 93 ... 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 ...
Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 1–14 : Auteur(s): Gasco, N., P. Tixier, G. Duhamel and C. Guinet
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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 ... contained in addition to the ROV transect, benthic sampling with appropriate gear, fish and krill trawling ... extensive algae bloom in the deep trench separating Astrid ridge and Maud rise. Associated with the algae ...
Meeting Document : WG-EMM-2019/48 : Auteur(s): H. Steen
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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 ... in 1992, the mini-transponder was lost on the first trawl on which it was deployed. Additionally ... achieved using a trawl with a high likelihood of FP-120 Trawl Performance and Geometry 44 42 40 38 36 ... (Figure 1) is known to be hard and uneven, thereby making bottom trawling difficult. Trawls with a high ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 51–69 : Auteur(s): Pilling, G. and G. Parkes
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e-sc-vi-a4.pdf
... and D. Ainley, both of the USA, were responsible for the sections of the Meeting report dealing with ... the past year further evaluations had been carried out on some of the predator parameters identified ... the Working Group with some slight modification. Recent information (e.g. WG-CEMP-87/6 and WG-CEMP ... consultations with the SCAR Group of Specialists on Seals, Sub-Committee on Bird Biology and Scientific
application/pdf attached to:WG-CEMP-87Meeting Report : WG-CEMP-87