Résultats de la recherche

1. Potential climate change effects on the habitat of Antarctic krill

   Abstract:  Antarctic krill is an obligate cold water species, an increasingly important fishery ... resource and a major prey item for many fish, birds and mammals in the Southern Ocean. The fishery and the ... summer foraging sites of many of these predators are concentrated between 0° and 90°W. Parts of this ... that the direct effects of warming could reduce the area of growth habitat by up to 20%. The reduction ...

   Meeting Document : WG-EMM-13/20 : Auteur(s): S.L. Hill, T. Phillips and A. Atkinson (United Kingdom)

2. Fish distribution and biomass in the Heard Island zone (Division 58.5.2)

   Island and the McDonald Islands, an Australian Territory around which a 200-mile EEZ has been declared ... . In order to assess the potential of this area for commercial fishing, and to obtain some preliminary ... data for its  management, three random stratified surveys were conducted to investigate the ... occupies. There was one aggregation area of Lepidonotothen squamifrons on an outlying bank during two ... following changes were Each haul was for 30 minutes duration on the made with respect to summer 1992 ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 0 30 60 90 120 150 180 210 240 270 300 330 360 390 420 Standard length (mm) Standard length (mm ... (1985), the largest size class should be about 15 years old. The length frequencies for both autumn ... years. This supports the notion of the older spawning fish having left the area. Except for the banks ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 1–20 : Auteur(s): Williams, R. and W.K. de la Mare

3. The survivorship of rays discarded from the South Georgia longline fishery

   12 hours, adjusted for the ‘50% survivorship’ category of Table 1. 0% 20% 40% 60% 80% 100 ... -1 0 1 2 sex F M length s( le ng th ) 70 80 90 100 110 -2 -1 0 1 2 3 pa rti al fo r l ... Endicott et al. (2000) suggested this is not the case for the majority of skate by-catch in the longline ... only skates that are alive and undamaged are selected, with animals not being deemed fi t for tagging ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 155–164 : Auteur(s): Endicott, M. and D.J. Agnew

4. Assessments of the stocks of Notothenia rossii marmorata and Champsocephalus gunnari in the South Georgia area

   Champsocephalus gunnari in the South Georgia area are assessed using USSR age sample data and recent biomass ... of the fishery compared to later year classes. However, in selecting an age-specific natural ... the later years, it is reasonable to assume a common age-specific catchability function for both ... known) and the net recruitment rate to the stock in each year implied by the age data. The catch at ... age classes would lead to underestimation of the strength of year classes recruited before the start ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 1-21 : Auteur(s): Cooke, J.G.

5. A fine-scale model of the overlap between penguin foraging demands and the krill fishery in the South Shetland Islands and Antarctic Peninsula

   for a number of reasons, an alternative method of calculating an index of fishery-predator interaction ... (December to March) as an index of overlap between the potential foraging areas of penguins and the ... than for other penguins, and that this overlap has been decreasing since 1988. File:  07agnew ... analysis, mean foraging distance for chinstrap penguins was increased by 50% (from 20 to 30 km), although ... Islands). As this index has proven unsuitable for a number of reasons, an alternative method of ... that 75 to 90% of the total catch for the subarea was taken between December and March within 100 km ... colonies out to 80, 60 and 20 km (Adklie penguins, chinstrap penguins and gentoo penguins respectively ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 99–110 : Auteur(s): Agnew, D.J. and G. Phegan

6. CCAMLR Statistical Bulletin, Vol. 29 selected tables

   : Abbreviations   1.2 Countries/entities   1.5 Species/taxa   1.6 Generic conversion factors for toothfish ...   13 Landings (product weight) by year and area   14 Landings (estimated green weight) by year and area ...   15 Landings (product weight) by year, Flag State and area   16 Exports by year, export country/entity ... and import country/entity   17 Re-exports by year, re-export country/entity and import country/entity ... - - - -AUG -26 8 - - - - - 14 -SEP 2020 - 20 4 17 33 30 - -OCT 2006/07 2007/08 2008/09 2009/10 ... The Statistical Bulletin is published annually and contains: · Catch and effort statistics for all ... reported for each species of toothfish (D. eleginoides and D. mawsoni) by calendar year since 2000. The ... 5759 20 26 9 30 11 - 2 - 5843a 62 - - - 7 - - - -TOT FEB 2006/07 2007/08 2008/09 2009/10 ...

   Document : Site Section: Data

7. Patterns and processes in the distribution and dynamics of Antarctic krill

   models of increasing complexity be developed iteratively for variability and patchiness of krill ... critical processes to be added. An analysis of spatial distribution of krill in the Bransfield Strait area ... attraction of krill to account for the small-scale aggregations. File:  07-Levin-et-al.pdf ... intermediate scales (4-20 km). It is unfortunate that we do not yet have available comparable data for the ... published spectra for krill, but much less steep than that which commonly has been observed for ... a diameter smaller than 200 m, and that the observed biomass is an average for a 200 m trace. 4 ... ----------~--------~----------~--------~---------~ -2.5 -2 -1.5 -1 -0.5 o LOG FREQUENCY (cycles/km) Power spectra for krill at the 2-20 km scale ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 281–299 : Auteur(s): Levin, S.A., A. Morin and T.M. Powell

8. Preliminary appraisal of Antarctic fish selection by the 32/36 bottom trawl combined with various codends

   of both tape codends were much better. It was found that an optimum mesh size of this codend for ... material used for their construction, incorrectly chosen mesh size, and certain morphological features of ... some Antarctic fish, which make it difficult for them to escape from the codend. Selectivity properties ... selection of Antarctic icefish and bumphead notothenia ranges from 60 to 100 mm. For other Antarctic fish ... were much better. It was found that an optimum mesh size of this codend for selection of Antarctic ... calculated as a mean from 30 measurements. For investigations, only those tows were selected which ... at a 80-90% level clearly ends at this length. with respect to longer fish, the codend material ... level of up to 80-90%, and a second one, resembling a typical selectivity ogive. Unfortunately, this ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 1-48 : Auteur(s): Zaucha, J.

9. Fishery Report 2014: Dissostichus eleginoides Prince Edward Islands South African EEZ (Subareas 58.6 and 58.7)

   2006 22 27 124 172 0 172 2007 41 26 148 216 0 216 2008 21 55 69 145 0 145 2009 30 22 20 72 0 72 ... representative samples of length, weight, sex and maturity stage, as well as collection of otoliths for age ... assessed in 2002 using an age-structured production model (ASPM) and was last reviewed by WG-FSA in 2007 ... pairs in 2012 and 2013 with a target of 100 Spanish/trot pairs per year (ii) for each Spanish ...

   Document : Site Section: Publications

10. Day 1 - Session 4 - Implementation, Legal and Policy of PSMA - Matthew Camilleri

    implementation, including the convening of an informal open-ended meeting for Article 21 of the Agreement ... remained opened for one year (until November 2010). • 23 FAO Members signed in that period: Angola ... the Agreement as an Article XIV instrument under the FAO Constitution. • The purpose of the ... information exchange; minimum standards for inspections in Annex B, inspector duties in Article 13(2 ...

    Document : Site Section: Compliance

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