Résultats de la recherche

1. Age and growth in length of Micromesistius australis, Norman, 1937 (Pisces, Gadidae), in the southern zone of the Argentine Sea

   that there were growth differences between both sexes by the analysis "t" of Student, two ... Herwig and Shinkai Marú in agreement with the Argentine Republic, in the years 1978 and 1978/79 ... equation of Von Bertalanffy was estimated as: Lt= 58.18 [1-e-0.1709 (t+2.44)] Lt= 63 [1-e-0.1134 (t+5.2 ... )] giving Lt in cm and t in years. For the estimation of the general equation parameters the first 15 age ...

   Meeting Document : SC-CAMLR-V/BG/31 : Auteur(s): Delegation of Argentina

2. Manual: estimating the age of Patagonian toothfish (Dissostichus eleginoides) using transverse cross-sections of otoliths

   nations participated in a Workshop in 2001 at Old Dominion Unversity with the primary aim of seeking ... address recommendations for: the use of otoliths for estimating age; key features to be taken into account ...

   Meeting Document : WG-FSA-10/15 : Auteur(s): K. Underkoffler, N. Ramanna and J. Ashford (USA)

3. The spawning dynamics of Patagonian toothfish in the Australian EEZ at Heard Island and the McDonald Islands and their importance to spawning activity across the Kerguelen Plateau

   collected in 2011. This data confirms that toothfish spawn between July and August across a large ... development with histological analysis showed macroscopic characteristics often failed to distinguish spent or ... animals, and that even large mature fish may not spawn every year. As a result, the conventional method of ... estimating size at maturity, with stage 3 or above (according to the Kock and Kellerman (1991) scale) being ...

   Meeting Document : WG-FSA-12/P08 : Auteur(s): D.C. Welsford, J. McIvor, S.G. Candy and G.B. Nowara

4. Revised reports on abundance and biological information on toothfish in Divisions 58.4.4 a and 58.4.4b by Shinsei maru No. 3 in 2011/12

   than that (50.5 kg / km) in the same SSRU in 2010/11. A total of 172 individuals of toothfish with good ... SSRUs, respectively. Fish with good physical condition and single-hooked contributed 50 % to the total ... killer whales in SSRU D in 2007/08 and 2009/10. Generalized additive model analysis indicated that the ... (s):  K. Taki, T. Iwami, M. Kiyota and T. Ichii (Japan) Title:  Revised reports on abundance and ...

   Meeting Document : WG-FSA-12/57 : Auteur(s): K. Taki, T. Iwami, M. Kiyota and T. Ichii (Japan)

5. Movements of tagged Antarctic toothfish (Dissostichus mawsoni) in Subarea 48.6 in relation to stock structure hypotheses

   direction along continental shelf, which may be consistent with the single Atlantic population hypothesis ... . Author(s):  T. Ichii, M. Okazaki, T. Okuda and S. Somhlaba Title:  Movements of tagged Antarctic ...

   Meeting Document : WG-FSA-2019/05 : Auteur(s): T. Ichii, M. Okazaki, T. Okuda and S. Somhlaba

6. An acoustic survey of Antarctic krill on the South Georgia shelf, CCAMLR Subarea 48.3, in January 1992

   estimates. The results were partitioned by depth to remove deep echoes that were thought to be mostly due to ... ship's speed exceeded 7 knots and when the ship was over the shelf around the main island of South ... other scatterers. A threshold at one frequency was used to remove noise and any echoes too weak to be ...

   Meeting Document : WG-EMM-96/42 : Auteur(s): Everson, I., Goss, C.

7. INDICATIVE ESTIMATES OF BIOMASS AND YIELD OF WHITSON’S GRENADIER (M. WHITSONI) ON THE CONTINENTAL SLOPE OF THE ROSS SEA IN SUBAREAS 88.1 AND 88.2

   species caught during both surveys, with mean catch rates in some strata being considerably higher than ... represented only 25% of the continental slope of the Ross Sea, the data could not be used to calculate a ... bootstrap procedure. Indicative estimates of M. whitsoni biomass for the Ross Sea slope ranged from 26 892 t ... (cv = 29%) to 41 823 t (cv = 28%) depending on assumptions. Applying estimates of gamma (γ) =0.01439 ...

   Meeting Document : WG-FSA-08/32 : Auteur(s): S.M. Hanchet, D. Fu and A. Dunn (New Zealand)

8. Alternative assessment methods for toothfish at South Georgia

   first is that the CPUE in the early 1990s did not decline as would be expected as the resource was ... initially fished quite heavily. The second is that when a decline was seen, it was much more abrupt than ... would be predicted by the model. Thirdly, all models predict a continuing decline, not the increase in ... CPUE that actually has been seen since 1996. Fitting the model to partial CPUE series, or assuming an ...

   Meeting Document : WG-FSA-SAM-04/17 : Auteur(s): Kirkwood, G., Payne, A., Agnew, D.

9. Fulfilling CCAMLR’s commitment to create a representative system of Marine Protected Areas

   summarises CCAMLR's progress in fulfilling this commitment to date. Following recent progress with ... adopting a Southern Ocean representative system of MPAs by 2020. ASOC recommends that this year CCAMLR ... areas. Adopts the Weddell Sea MPA, keeping the boundaries intact so that the MPA contains the ecological ...

   Meeting Document : CCAMLR-XXXVII/BG/36 : Auteur(s): Submitted by ASOC

10. Trophic relations of the cephalopod Martialia hyadesi (Teuthoidea: Ommastrephidae) at the Antarctic Polar Front, Scotia Sea

    items in the squid's diet were the myctophid fishes Krefftichthys anderssoni and Electrona ... prey categories: Crustacea, Crustacea + fish, fish, cephalopod, there was no evidence that dietary ... , which is itself a major prey item of some higher predators In the Scotia Sea, suggests that a previously ... unrecognised food chain: copepod- myctophid- Martialia hyadesi- higher predator, may be an important component ...

    Meeting Document : SC-CAMLR-XI/BG/11 : Auteur(s): Delegation of United Kingdom

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