Résultats de la recherche

1. The use of Antarctic shags to monitor coastal fish populations: evaluation and proposals after five years of test of a standard method

   . Likewise, the history of the development of this theme in relation to the EMM and FSA Working Groups of ... and quantitatively the diet of shags and can reflect differences in fish availability between seasons ... and areas. Considering the similarities in foraging strategies and reproductive behaviour between ... Antarctic and sub-Antarctic shags, the methodology proposed could readily be used with other shag species in ...

   Meeting Document : WG-EMM-03/5 : Auteur(s): R. Casaux and E. Barrera-Oro (Argentina)

2. Documentation for the CCAMLR survey database and length-density analysis

   because of the increasing quantity and diversity of survey data and their importance in the assessments of ... . While appropriate in earlier years, this procedure constricted the type of survey data that could be ... stored in the CCAMLR database and placed limitations of their interpretation. The Data Centre’s extensive ... work done, the structure of the new survey database, and the steps in the length-density analysis. The ...

   Meeting Document : WG-FSA-00/11 : Auteur(s): Secretariat

3. Effect of missing modes on calibration sphere target strengths (ICES CM 1996/b: 37, Fish Capture Committee)

   used in the calibration of echo sounder systems, can be affected by the manner of suspension. This ... hypothesis is investigated in the context of reported experimental calibration trials with the SIMRAD EK500 ... /120-kHz echo sounder. In these, as many as four different spheres were used: 23- and 30.05- mm ... reported measurement conditions for a series of cases in which single vibration modes remain unexcited. The ...

   Meeting Document : WG-EMM-96/46 : Auteur(s): Foote, K.G.

4. POTENTIAL REQUIREMENTS FOR SCIENTIFIC DATA FROM THE KRILL FISHERY

   % (Subareas 48.1 and 48.2) and c30% (in Subarea 48.3). 13 of the 16 vessels that have fished for krill in 48.3 ... have carried observers at some time, compared to 6 of 15 in 48.1 and 4 of 15 in 48.2. An analysis of ...

   Meeting Document : WG-EMM-08/45 : Auteur(s): Secretariat

5. Target strength of mackerel icefish (Champsocephalus gunnari) from a scattering model

   derived from the model results: 148)(log4.7010-=LTSwhere L is the fish total length in cm and is ... applicable to fish of length 26–35 cm. Existing in situ TS estimates are for smaller fish (16–26 cm) and ... hence are not directly comparable, but extrapolation of the in situ and model results reveal a large ... different in TS (6 dB at 26 cm) between the two datasets. Author(s):  G. Macaulay (New Zealand) Title ...

   Meeting Document : SG-ASAM-09/06 : Auteur(s): G. Macaulay (New Zealand)

6. THE AUTOLINE SYSTEM – AN UPDATED DESCRIPTIVE REVIEW OF THE METHOD WITH RECOMMENDATIONS TO CLARIFY CCAMLR CONSERVATION MEASURES REGULATING LONGLINE FISHERIES WITHIN THE CONVENTION AREA

   Autoline Vessels Fishing for Toothfish in CCAMLR Waters. Additional information is included listing and ... assessing the option of simplifying this Measure in a similar manner to that successfully implemented in the ... exploratory fisheries in Subareas 88.1 and 88.2. Author(s):  J.M. Fenaughty (New Zealand) Title:  THE AUTOLINE ...

   Meeting Document : WG-FSA-08/60 : Auteur(s): J.M. Fenaughty (New Zealand)

7. Hydrographic conditions around Elephant Island during austral spring 1994

   Abstract:  Based on a data set sampled during November/December 1994 in the Elephant Island ... colder than in previous years in the Elephant Island Plateau Region. Since the data base available to the ... , it is recommended to do a cooperative analysis of data sampled throughout the years in the Elephant ...

   Meeting Document : WG-EMM-95/16 : Auteur(s): Stein, M.

8. Peak mortality of krill, fished with midwater trawls and feasible criteria of krill trawls ecological safety

   elimination probability caused by cath and mortality in fishery operations. The coefficient of trawl ... calculated gross removal estimate exceeded the catch rate, based on commercial data in December 1984 in the ... South-Shetland area, only in 1,5- 26 %, depending on the fishing intensity, i.e. it was within the range ...

   Meeting Document : WG-KRILL-93/34 : Auteur(s): Yu. V. Kadilnikov (Russia)

9. Age and growth of Antarctic Euphausiacea (Crustacea) under natural conditions

   years for the krill Euphausia superba. Growth in length and weight was calculated by non-linear ... regressions. No difference in growth of krill were observed between the Antarctic Peninsula area and the ... and generation time of each species is given. In general, Antarctic euphausiids seem to remature and ... spawn at least twice and in some cases three times during their life, except for E. frigida which spawns ...

   Meeting Document : SC-CAMLR-VI/BG/24 : Auteur(s): V. Siegel (FRG)

10. A fish stock assessment survey design for Subarea 48.1

    Abstract:  There is a lack of information regarding the abundance of exploitable finfish in ... Subarea 48.1. A comprehensive, bottom trawl survey offish stocks in Subarea 48.1 would make it easier for ... the Working Group on Fish Stock Assessment to assess the stocks in this region and assist the ... Scientific Committee in giving management advice to the Commission. A stratified random survey is proposed ...

    Meeting Document : WG-FSA-92/07 : Auteur(s): G. Watters (USA)

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