Résultats de la recherche
-
Significant conservation benefits obtained from the use of a new fishing gear in the Chilean Patagonian toothfish fishery
. 80 introduction The interaction between killer whales (Orcinus orca) and longline vessels is a ... Almagro Islands (15 594 pairs in 2001/02) (Lawton et al., 2003), the Evangelistas Islets (4 670 pairs in ... interaction, the predation rate of fish estimated by Hucke-Gaete et al. (2004) ranged between a maximum of 5 ... season for a vessel from the fleet for the last five years, from 2001 to 2005 using the Spanish longline ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 79–91 : Auteur(s): Moreno, C.A., R. Castro, L.J. Mújica and P. Reyes
-
Hook selectivity in the longline fishery of Dissostichus eleginoides (Nototheniidae) off the Chilean coast
methodology described by Pope et al., (1983). Each section comprised of 150 hooks placed 2 m apart on 60 cm ... proportion of females was 1:3.6. Figure 4 presents data collected in August 1991 off the coast of Valdivia ... 2001 to 3 000 3 72 - 131 97.0 4 75 - 133 95.4 113 O°r-__ ~96~0 ______________ ~~~~ __ -r ______ ... HOOK SIZE 3 2001-3000 n=29 12 2001-3000m n=69 10 6 8 4 6 4 2 2 0 0 50 60 70 90 110 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 107–119 : Auteur(s): Moreno, C.A.
-
Response to Everson (2008)
., 2001 for the CCAMLR- 2000 strata). Stratum biomass is determined from the mean transect density raised ... ) Brierley et al. 196 extent of the entire survey area (Trathan et al., 2001). Thus the value of n was ... of biomass in all the 449 500 1 n mile squares in the defined (Trathan et al., 2001) survey area ... , J.L. Watkins and J. Priddle. 1988. Scales of interaction between Antarctic krill and the environment ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 195–198 : Auteur(s): Brierley, A.S., B.G. Heywood and S.F. Gull
-
Assessing the power to detect systematic change in Adélie penguin foraging trip duration
. An important outcome of this study is that it focuses attention on the interaction and balance ... sea ice concentrations, June to September 2001. Maslanik, J. and J. Stroeve (Eds). Boulder, CO ... . Merenlender. 2000. Faunal indicator taxa selection for monitoring ecosystem health. Biol. Cons., 92 (2): 185 ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 201–215 : Auteur(s): Southwell, C., J. Clarke and L.M. Emmerson
-
A review of the diet and at-sea distribution of penguins breeding within the CAMLR Convention Area (submitted to the 2008 Joint CCAMLR-IWC Workshop)
success when compared to unencumbered control birds (Ballard et al., 2001; Hull, 1997; Ropert-Coudert ... et al., 2000b, 2007a, 2007b; Taylor et al., 2001). A number of technologies to study penguin ... oesophagus that detect drops in temperature when cold prey items are ingested (Charrassin et al., 2001 ... the Weddell–Scotia Sea conflu- ence in July–August 1988. Of diet by mass, 99% comprised squid: 48% P ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 75–114 : Auteur(s): Ratcliffe, N. and P. Trathan
-
Patterns and processes in the distribution and dynamics of Antarctic krill
food availability? 3. What is the interaction between spatial patterns and fishing behavior? 4. How ... the Southern Ocean lead to the same conclusion. We turn in the next section to an examination of the ... interpretation of krill distributions, reported in the next section. Our conclusion is that, to a first ... analyses to date are those of Weber et al. (1986) discussed in the previous section and shown in Figures ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 281–299 : Auteur(s): Levin, S.A., A. Morin and T.M. Powell
-
Experimental evaluation of the effectiveness of weighting regimes in reducing seabird by-catch in the longline toothfish fishery around South Georgia
section of the streamer line was recovered during hauling and reattached. All lines set, except numbers ... caught was dependent on the weighting regime long-term health of the bird concerned. In total, and the ... around South Georgia in the 1998 winter fishery (April to August). By-catch rates from the 8.5 kg/ 40 m ... interact with the vessel during setting operations. From early sets it was found that the high number ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 119–131 : Auteur(s): Agnew, D.J., A.D. Black, J.P. Croxall and G.B. Parkes
-
Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longlines
interaction over access to resources, which often includes a combination of socio-economic, ecological and ... human–wildlife interaction over access to resources, which often includes a combination of socio ... odontocetes. Gasco et al. 2 Introduction Depredation is a human–wildlife interaction over resources ... tested with a simple linear regression. Results From 1 September 2003 to 31 August 2013, 7 467 ... focused targeting by orcas, which may increase the interaction rate and consequently the higher ...
Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 1–14 : Auteur(s): Gasco, N., P. Tixier, G. Duhamel and C. Guinet
-
Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald Islands using catch-at-age and aged mark-recapture data from the main trawl ground
Constable (2008). Updating Candy and Constable (2008), the total releases up to August 2009 for Grounds ... estimate of σC reached its upper bound of 2.0. The estimated value of F for 2001 and 2008 reached its ... most of the catch is predicted to be taken in 2001, indicate that predic- tions from the BODE model ... may be expected for fish that are released from trawl gear due to their relatively brief interaction ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 29–45 : Auteur(s): Candy, S.G., D.C. Welsford, T. Lamb, J.J. Verdouw and J.J. Hutchins
-
Spawning locations of mackerel icefish at South Georgia
CCAMLR Scierzce, Vol. 8 (2001): 107-118 SPAWNING ... research cruises. During August 1983 a regular grid of 42 stations spaced at 30 n mile (55 km) intervals ... also from June to August. There was a sudden increase in numbers in March leading to a peak in May ... Even though the August 1983 sampling program covered a wide area, C. gllrzt7nvi larvae were only ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 107–118 : Auteur(s): Everson, I., A.W. North, A. Paul, R. Cooper, N.C. McWilliam and K.-H. Kock