Resultados de la búsqueda

1. An overview of Southern Ocean zooplankton data: abundance, biomass, feeding and functional relationships (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   an enormous amount of data on Southern Ocean (SO) zooplankton, mostly on their distribution with a ... assist SO food-web modellers or those with limited specialist knowledge of SO zooplankton. First, a brief ... that of postlarval E. superba. This fact reflects a large flow of energy through multiple trophic ... , BIOMASS, FEEDING AND FUNCTIONAL RELATIONSHIPS A. Atkinson* and P. Ward British Antarctic Survey ... data on Southern Ocean (SO) zooplankton, mostly on their distribution with a minority addressing rate ... modellers or those with limited specialist knowledge of SO zooplankton. First, a brief overview is ... . This fact reflects a large flow of energy through multiple trophic levels, via copepods and their ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 171–218 : Autor(es): A. Atkinson, P. Ward, B.P.V. Hunt, E.A. Pakhomov and G.W. Hosie

2. Variations in condition indices of mackerel icefish at South Georgia from 1972 to 1997

   mass is shown to provide a good indicator of local krill density. The index is likely to be little ... in krill availability. Condition index provides a useful proxy for krill density and is likely to be ... uses the ratio of the measured total mass to the estimated mass is shown to provide a good indicator ... . Condition index provides a useful proxy for krill density and is likely to be of considerable value in ... ~7l~.soce/1hal~s gurzncrri) m k i p o t i o p a c n p o c T p a H e H a H a m e n b @ e )O>KHO ... ~~ r e ~ p r k i i l ( A H T ~ ~ K T H K ~ ) , a t i O ~ M e p l 1 e ~ t i k t f i IIpOMbICeJI 3 T O ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 119–132 : Autor(es): Everson, I. and K.-H. Kock

3. Spawning locations of mackerel icefish at South Georgia

   be at a very much lower intensity than inshore. There is some evidence of spawning at Shag Rocks ... . There are also indications of a possible second spawning season in January, although the evidence is ... LOCATIONS OF MACKEREL ICEFISH AT SOUTH GEORGIA I. Eversonm, A.W. North, A. Paul, R. Cooper and N.C ... appears to be at a very much lower intensity than inshore. There is some evidence of spawning at Shag ... Rocks. There are also indications of a possible second spawning season in January, although the ... historiques sur la repartition du poisson des glaces (Clznmpsocephnlus gz~iznnvi) a l'epoque du frai et a ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 107–118 : Autor(es): Everson, I., A.W. North, A. Paul, R. Cooper, N.C. McWilliam and K.-H. Kock

4. The effects of monitoring procedures on Adélie penguins

   loss. There was a slight reduction in return rates of birds banded for more than one season, but no ... evidence of band or tag loss over a single winter. The attachment of satellite tracking devices during the ... bands to bird mortality and to determine rates of band and tag loss. There was a slight reduction in ... return rates of birds banded for more than one season, but no evidence of band or tag loss over a single ... d'instruments a et6 examine sur trois saisons ii rile Bechervaise (terre Mac. Robertson, Antarctique). Les taux ... : La fixation de balises de suivi par satellite pendant la periode d'incubation menait a une ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 155–164 : Autor(es): Clarke, J. and K. Kerry

5. Age estimation and maturity of the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea

   -sex were fitted separately to a revised length-at-age dataset and compared using the likelihood-ratio ... presented for males and females respectively, using a reduced probit model. File:  13marriott-etal.pdf ... models assuming different growth by sex and by year-within-sex were fitted separately to a revised ... , using a reduced probit model. Résumé Lors de la campagne d’évaluation BioRoss de l’ouest de la mer de ... Ross et des îles Balleny, en 2004, le navire de recherche Tangaroa de NIWA a collecté des juvéniles du ... grenadier Macrourus whitsoni. L’analyse intensive des otolithes de ces spécimens a grandement amélioré la ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 291–303 : Autor(es): Marriott, P.M., M.J. Manning and P.L. Horn

6. Effect of line sink rate on albatross mortality in the Patagonian toothfish longline fishery

   vessels to derive a sink rate and line-weighting regime that would minimise the capture of albatrosses ... propeller turbulence, which tended to keep lines aloft, varied as a function of distance between line ... experiment was conducted on autoline and Spanish-system longline vessels to derive a sink rate and line ... lines aloft, varied as a function of distance between line weights. Asymptotic sink rates (0.1-0.15 m/s ... type espagnol a permis de deriver une vitesse d'immersion et un regime de lestage des palangres qui ... d6ployees dans la turbulence causee par l'helice, qui a tendance B maintenir les palangres en l'air, varie ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 133–150 : Autor(es): Robertson, G.G

7. Length-based assessments revisited – why stock status and fishing mortality of long-lived species such as toothfish cannot be inferred from length-frequency data alone

   about using unstandardised catch rate data have led to a desire to draw inferences about stock status ... and fishing mortality from length-frequency data alone. In this paper, a number of length-based stock ... CCAMLR aims to ensure that the development of a new and exploratory fishery does not occur faster than ... (Dissostichus eleginoides) and Antarctic toothfish (D. mawsoni) in the Convention Area, a research plan, a ... data collection plan, and a tagging program specify the collection of four main data types: spatially ... , 2010, paragraph 5.5). Age- ing of otoliths and a concerted effort to use the data CCAMLR Science, Vol ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 57–73 : Autor(es): Ziegler, P.E., D.C. Welsford and A.J. Constable

8. Growth and age/length structure of populations of Notothenia (Lepidonotothen) squamifrons (Nototheniidae) in various areas of the Indian sector of the Southern Ocean

   decreases by a maximum of 1 cm during the last years of life. Maximum annual weight increments of 100 to 120 ... stable but on the Kerguelen Shelf there is a tendency towards younger fish being more abundant. File:  10 ... years of life the linear growth rate is 3 to 5 cm per year. It decreases by a maximum of 1 cm during ... Shelf there is· a tendency towards younger fish being more abundant. Resume L'age, la croissance et ... dans ce document. On a decouvert que pendant les premieres annees de vie, le taux de croissance ... lineaire est de 3 a 5 cm par an. 11 diminue d'un maximum de 1 cm au maximum pendant les dernieres annees ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 123–139 : Autor(es): Zaitsev, A.K.

9. Joint Polish/American hydroacoustic survey of Elephant Island and the vicinity of King George Island, 1988

   King George Island, 1988 Abstract / Description:  The hydroacoustic survey found a low krill abundance ... was 39k tonnes for a total of 299k tonnes in the combined areas. The estimated 200 kHz survey data ... hydroacoustic survey found a low krill abundance in most areas covered by last years survey. The total biomass ... the Bransfield Strait south of King George Island was 39k tonnes for a total of 299k tonnes in the ... hydroacoustique a permis de detecter un niveau d'abondance de krill peu eleve dans la plupart des regions ayant ... totale aux alentours de I'Ile de l'Elephant a ete estimee a 260 kilotonnes. Dans le detroit de ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 357–377 : Autor(es): Macaulay, M.C.

10. Otolith microstructure of juvenile mackerel icefish (Champsocephalus gunnari) (Channichthyidae) in the South Georgia area

    a trawl survey of juveniles in February–March 2002 on the South Georgia shelf. Juvenile fish ... 2001/02 year class lasted four months. This was estimated based on a retrospective count of daily ... sh (Champsocephalus gunnari) (5.5– 13.3 cm in length) was analysed using samples taken during a trawl ... class lasted four months. This was estimated based on a retrospective count of daily increments. TL ... otolithes a diminué, passant de 6 μm pendant les 100 premiers jours (longueur totale (LT) 4,5 cm) à 2,8 μm ... à 500 jours (LT 13,1 cm). Le stade pélagique de la période d'incubation des œufs chez les poissons ...

    Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 173–181 : Autor(es): Shcherbich, L.V

Páginas