Résultats de la recherche

1. Evaluation of the results of trawl selectivity experiments by Poland, Spain and USSR in 1978/79, 1981/82 and 1986/87

   Spanish (1986/87) selectivity experiments were conducted with 3.1 and 3.0 mm twine respectively. The ... presented relationship should be taken with care. Thirty minute hauls in the Spanish experiment gave ... single hauls with high catches did not result in the reduction of selection parameters of fish sampled ... difficult. Analysis of its effect on selectivity was limited to hauls with comparable catch rates. In ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 163–196 : Auteur(s): Slosarczyk, W., E. Balguerias, K. Shust and S. Iglesias

2. Some specific features of the USSR krill fishery and possibilities of applying fishery statistics to studies of krill biology and stocks

   krill fishery, it is shown that the catch-per-haul variables are associated with the fishing regime of ... the vessel rather than with krill abundance in a certain area. During preparations for regular fishing ... operations very short hauls (under 15 minutes) are practised. Such fishing practice, together with ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 237–252 : Auteur(s): Dolzhenkov, V.N., T.G. Lubimova, R.R. Makarov, S.S. Parfenovich and V.A. Spiridonov

3. Can toothfish catches be used to predict the presence of vulnerable benthic invertebrate taxa?

   fishing footprint. If high target species catch rates are associated with habitats where VMEs are found ... , impacts from fishing would be higher than if VMEs are distributed randomly with respect to fishing ... distributions, showing a high degree of spatial overlap with the fishery. File:  06parker-smith.pdf ... 91 124 Segments with AXT 10 2 12 12 36 Segments with CSS 2 5 8 173 188 Segments with GGW 9 17 3 58 ... CCAMLR is charged with assessing the poten- tial impact of fishing activities on vulnerable marine ... communities relative to the fishing footprint. If high target species catch rates are associated with ... with respect to fishing locations. This study used the catch of the six most common vulnerable ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 87–96 : Auteur(s): Parker, S.J. and M.H. Smith

4. On the intensity of sampling krill trawl catches

   be discerned (e.g., length-with-age). At present, and in the interests of both statistical rigour and ... grouped into 2 mm size classes; • biological implications associated with the detection of specific ... differences in length should be considered in conjunction with the need to collect information on maturity ... desired biological characteristics which are to be discerned (e.g., length-with-age). At present, and in ... implications associated with the detection of specific differences in length should be considered in ... conjunction with the need to collect information on maturity stages; • for most purposes a minimum sample ... also urged Members to report any difficulties experienced with the interim sampling procedure outlined ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 29–48 : Auteur(s): Miller, D.G.M.

5. CCAMLR ecosystem monitoring and a feedback management procedure for krill

   avoid many of the problems associated with the elaboration of ecosystem models 347 fundamental to ... ) (Peterman, 1990); (ii) its cost is commensurate with the value of the fishery (de la Mare, 1991); and ... contravened. 346 3. APPROACHES TO PREDATOR PROTECTION Once fishing has begun in a particular area ... years (e.g., Beddington and de la Mare, 1985; de la Mare, 1986 and 1991; SC-CAMLR, 1991- paragraph ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 345–350 : Auteur(s): Constable, A.J.

6. Results of a longline survey on seamounts in the southeast Atlantic and in Subarea 48.6 and Division 58.4.4

   toothfish (Dissostichus eleginoides), with 2 822 individuals caught (83% of total catch). Grenadiers of the ... structure of D. eleginoides caught. Lengths of individual D. eleginoides generally increased with depth ... with the highest catch (weight) per unit effort was 600 to 800 m, although absolute values varied ... eleginoides), with 2 822 individuals caught (83% of total catch). Grenadiers of the genus Macrourus were the ... caught. Lengths of individual D. eleginoides generally increased with depth although this trend may be ... . Females accounted for 70% of individuals of more than 90 cm in total length. The stratum with the highest ... longlines (L6pez Abellan and Gonzalez, 1998) of 2 775 to 13 875 m in length, and each with 1 500 to 7 500 ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 99–116 : Auteur(s): López Abellán, L.J. and J.F. González Jiménez

7. Selectivity of commercial and research trawls in relation to krill

   / Description:  This paper describes the results of fishing a single krill aggregation with a commercial trawl ... speed was 3.5 knots. IKMT Station l 2 3 The IKMT is a midwater trawl with a length of 26.8 ... codend against mechanical wear and tear. The trawl is towed with a single wire. Station 1 2 3 ... This paper describes the results of fishing a single krill aggregation with a commercial trawl RT 72 ... Unlike the IKMT research trawl, the commercial trawl RT 72/308 is equipped with trawl boards and ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 161–169 : Auteur(s): Kasatkina, S.M

8. Genetic variations and population structure of krill from the Prydz Bay region of Antarctic waters

   consistent with the hypothesis that all samples were derived from a single breeding population of krill. The ... results of this study agree closely with genetic data from other studies on krill in the Atlantic sector ... result consistent with the hypothesis that all samples were derived from a single breeding population ... of krill. The results of this study agree closely with genetic data from other studies on krill in ... K.M.MaKAOHanA, P. YHnh~Mc H M. AAaMC (ABCTpanH~) Pe3IOMe np06hl aHTapKTHqeCKOrO KpHn~ E. superba, B 3~Tble ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 271-273 : Auteur(s): MacDonald, C.M., R. Williams and M. Adams

9. Small scale krill surveys: simulations based on observed euphausiid distributions

   that the coefficient of variation (CV) of mean krill density varies inversely with mean density, and is ... that with probability of Type I and Type II errors 0.1 and 0.2 respectively, about 100 transects would ... different positions with regard to the swarms. 247 3. RESULTS The results of 10 000 transects on ... (cv) of mean krill density varies inversely with mean density, and is lowest for the survey design ... on the power of surveys to reliably detect changes in mean density indicate that with probability ... earlier surveys, however, were run with the main transects running east-west. This survey design was ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 245–256 : Auteur(s): Agnew, D.J. and S. Nicol

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

    Island. ( 2) Establishment of baseline studies coordinated with predator (e.g. seal and penguin ... systematic manner and needs to be addressed to validate the results of any survey effort and to assist with ... and will be closely coordinated with us and other nations' research efforts. 2. MATERIALS AND ... the areas surveyed last year. The full survey found (120 kHz data) 385k tonnes (in 7 787 n miles2 ...

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

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