Résultats de la recherche

1. Interaction of marine mammals with the longline fishery around the Kerguelen Islands (Division 58.5.1) during the 1995/96 cruise

   ~ a 6 n m ~ e ~ m f i 16 IIoCTaHOBOK RpyCa 0,75% p616 6b1no IIOTepXHO MY-3a CpbIBa C KPWYKOB ... method described by Duhamel(1992) and Cherel et al. (1996) for setting and hauling the longlines, each ... longline sets while counting the seabird by-catch. The results of seabird observations are described in ... vessels were fishing in an area in which sperm whales traditionally feed. Fish loss caused by fur seals ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 171–174 : Auteur(s): Capdeville, D

2. Distribution and abundance of Macrourus carinatus on BANZARE Bank in the southern Indian Ocean

   toneladas. La distribucion de M . carinatus en el banco parece ser uniforme. Keywords: by-catch, trawl ... . INTRODUCTION Fish of the family Macrouridae (rat tails and grenadiers) have become common by-catch species ... are sustainable. CCAMLR aims to set catch controls for by-catch species that minimise the risk of ... characteristics: the extent of squamation on the underside of the head; lunate areas behind the snout; the ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 171–178 : Auteur(s): van Wijk, E.M., A.J. Constable, R. Williams and T. Lamb

3. Evaluating the impact of multi-year research catch limits on overfished toothfish populations

   populations Abstract / Description:  In stocks that have been depleted by overfishing, the benefit of ... CCAMLR has closed several fisheries due to concerns that stocks have been depleted by over- fishing ... 2009 (SC-CAMLR, 2009b)) and declining catches by the authorised fleet in the fishery (Divisions ... depleted by overfishing, the benefit of additional fisheries remov- als for research purposes needs to be ... Mangel, 2006). This paper extends the work conducted by de la Mare and Constable (1990) on develop- ing ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 47–55 : Auteur(s): Welsford, D.C

4. The utilization of seabird censuses for krill monitoring

   Ocean is explored. No variation source directly linked with krill was identified by means of ... technique will allow the discrimination of krill levels by means of bird counts thereby providing an ... explored. No variation source directly linked with krill was identified by means of correspondence ... the technique will allow the discrimination of krill levels by means of bird counts thereby ... economically impossible to keep track of biological parameters of krill populations on a regional basis by ... in time the advice needed by the Commission and calls for indirect measures of krill population ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 393-425 : Auteur(s): Marschoff, E.R., J.G. Visbeek and L.R. Fontana

5. On the intensity of sampling krill trawl catches

   measurements of length from commercial krill;  catches should be made, as far as possible, by a single observer ... made. as far as possible. by a sin~le obseryerlyessel; • consideration still has to be given to the ... by all vessels other than those of the Japanese fishing fleet, which already carry out such sampling ... . This recommendation was subsequently endorsed by the Scientific Committee (SC-CAMLR-VIII, paragraph ... in commercial catches should be collected, and (c) procedures should be developed by which within ...

   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.

6. Results of fish stock assessment survey, South Georgia region, November - December 1986

   between 29 November and 17 December 1986 by the R.V. Professor Siedlecki using a Polish B-454 otter trawl ... rossii and Patagonotothen brevicauda guntheri were an order of magnitude lower than observe by Kock in ... than 1984/85, although not by an order of magnitude. Abundances of Notothenia gibberifrons and ... Chaenocephalus aceratus as estimated by this study and Kock were roughly equal. Abundance estimates of ... December 1986 by the R.V. Professor Siedlecki using a Polish B-454 otter trawl. Biomass was estimated ... Patagonotothen brevicauda ~entheri were an order of magnitude lower than observe by Kock in 1985. Abundance of ... not by an order of magnitude. Abundances of Notothenia gibberifrons and Chaenocephalus aceratus as ... estimated by this study and Kock were roughly equal. Abundance estimates of Chamsocephalus ~ari were ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 143-183 : Auteur(s): Gabriel, W.L.

7. Movement, growth and available abundance to the fishery of Dissostichus eleginoides Smitt, 1898 at Heard Island, derived from tagging experiments

   separate between shelves and banks separated by deep water. More particularly, the separation of  stocks on ... separated by deep water. More particularly, the separation of stocks on the Kerguelen Plateau has not been ... Macquarie and Heard Island fi sheries, but genetic homogeneity can be maintained by a low level of ... Plateau and surrounding deep water; the fi shing grounds in the two areas are nowhere separated by water ... and from the Kerguelen Plateau by extensive stretches of water deeper than 2 000 m. At present, fi ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 33–48 : Auteur(s): Williams, R., G.N. Tuck, A.J. Constable and T. Lamb

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

   maintenance of predator populations, including the recovery of depleted whale populations, by the CCAMLR ... inadvertently affect other predators and can be utilised in a feedback management procedure by the Commission ... . This paper examines some of the issues that need to be addressed by the Scientific Committee in ... being affected or are likely to be affected by krill harvesting. The Commission then can formulate or ...

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

9. Standardization of fishing effort for Champsocephalus gunnari in the South Georgia area (Subarea 48.3)

   paper by Frolkina and Gasiukov (1989). This task is complicated by the fact that fishing for C ... . gunnari is. characterized by a considerable intra-annual irregularity and marked dynamics. Whereas ... fishing was at first carried out by means of bottom trawls, in recent years midwater trawls have been ... sequence of catch-per-unit-effort values was developed by years of fishing. Standardized values of fishing ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 327–336 : Auteur(s): Gasiukov, P.S.

10. Factors that may influence the accuracy of abundance estimates from CCAMLR tag-recapture programs for Dissostichus spp. and best practice for addressing bias

    spatial structure of release and recapture efforts by fishing and research vessels, development of ... throughout their life cycle, as well as the spatial structure of release and recapture efforts by fishing ... (see review by Polacheck et al., 2010). For exam- ple, stock assessment model frameworks such as CASAL ... caught in a sample and scanned for tags. This equation can be transposed to estimate N by: CN M R ... the true N by the estimate N̂ (i.e. N̂ N> or N̂ N< ), with potential consequences for any ...

    Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 63–72 : Auteur(s): Welsford, D.C. and P.E. Ziegler

Pages