Résultats de la recherche
-
A risk-management framework for avoiding significant adverse impacts of bottom fishing gear on Vulnerable Marine Ecosystems
presence and the consequences of interaction with different types of gear, a risk-management framework is ... of uncertainty surrounding both the evidence of VME presence and the consequences of interaction ... process of interaction of VMEs with bottom fishing activi- ties. For temporal scale, the reciprocal of ... or longlines, for which very little information exists (Eno et al., 2001; Johnson, 2002; Troffe et ... , 2001; Barnes and Conlan, 2007; Teixidó et al., 2007). Risk evaluation Once the evidence of VMEs has ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 177–193 : Auteur(s): Martin-Smith, K
-
A first step towards modelling the krill–predator dynamics of the Antarctic ecosystem
: (i) species interaction effects alone can explain observed predator abundance trends, though not ... for investigation. Amongst the key inferences of the study are that: (i) species interaction effects ... –krill interaction model introduced in Mori and Butterworth (2004) in various ways, as detailed in the ... taken between 1973 and 2001 (Miller, 2002). The fishery has been stable for the past nine years with ... the catch in 2002 being 98 414 tonnes (SC-CAMLR, 2001). This level is not considered excessive ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 217–277 : Auteur(s): Mori, M. and D.S. Butterworth
-
Effects of weather and sea-ice on the reproductive performance of the Adélie penguin at Edmonson Point, Ross Sea
(Pygoscelis adeliae) was studied at Edmonson Point, Victoria Land, during the 1999, 2001 and 2003 breeding ... females were significantly longer than in 1999 and 2001, which in turn delayed the mean departure date of ... delayed compared to dates recorded in 1999 and 2001. The average weight of adults rearing chicks was lower ... Point, Victoria Land, during the 1999, 2001 and 2003 breeding seasons. Weather and sea-ice regimes ... than in 1999 and 2001, which in turn delayed the mean departure date of males on the second incubation ... recorded in 1999 and 2001. The average weight of adults rearing chicks was lower in 2003. It is suggested ... pointe Edmonson, en Terre Victoria, pendant les saisons de reproduction de 1999, 2001 et 2003. Les ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 99–109 : Auteur(s): Olmastroni, S., F. Pezzo, V. Volpi and S. Focardi
-
Scientific observations in CCAMLR fisheries – past, present and future
Hauling information Environmental conditions Marine mammal interaction with fishing gear Seabird by ... introduced in 2000. na – not applicable. Logbook format 1996 1997 1998 1999 2000 2001 2002 2003 2004 ... collected pursuant to the data collection plans for the period up to 31 August 2005 should be submitted to ... 2000 2001 2002 2003 2004 CCAMLR season N um be r of c ru is es a nd fi sh er ie s 0 1000 ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 81–98 : Auteur(s): Sabourenkov, E.N. and E. Appleyard
-
Areal and seasonal extent of sea-ice cover off the northwestern side of the Antarctic Peninsula: 1979 to 1996
several regions in the western Antarctic from October 1978 to August 1994, including the Long Term ... Radiometer (SMMR) from October 1978 to August 1987. Images were derived by NSIDC from data collected by ... , four periods of extensive ice cover are evident. The first period peaked in August 1980 and was more ... in August-September 1986; the ice did not fully retreat during the following summer and in 1987 ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 65–73 : Auteur(s): Hewitt, R
-
A statistical method for estimating the level of IUU fishing: application to CCAMLR Subarea 48.3
040–23 361, 140–9 023 respectively for birds. Despite continuing high levels of FPV coverage from 2001 ... catches for the years 2001/02, 2002/03 and 2003/04. File: 07agnew-kirkwood.pdf ... 2001 to 2004, no further IUU activity has been detected, leading to estimates of zero fi sh and bird ... catches for the years 2001/02, 2002/03 and 2003/04. Résumé Ce document décrit une nouvelle méthode ... respectivement pour les oiseaux. Malgré les niveaux de couverture élevés des navires de surveillance de 2001 à ... poisson et d’oiseaux pour les années 2001/02, 2002/03 et 2003/04. Резюме В данной статье описывается ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 119–141 : Auteur(s): Agnew, D.J. and G.P. Kirkwood
-
A fine-scale model of the overlap between penguin foraging demands and the krill fishery in the South Shetland Islands and Antarctic Peninsula
for a number of reasons, an alternative method of calculating an index of fishery-predator interaction ... has been developed. The new index reflects the functional interaction between these two utilisers of ... calculating an index of fishery-predator interaction has been developed. The new index reflects the ... functional interaction between these two utilisers of the krill resource and is based on a detailed model of ... interaction, foraging, gentoo penguin, macaroni penguin, krill fishery, CCAMLR INTRODUCTION The question ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 99–110 : Auteur(s): Agnew, D.J. and G. Phegan
-
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
-
A review of the effectiveness of streamer lines as a seabird by-catch mitigation technique in longline fisheries and CCAMLR streamer line requirements
effective at reducing sea- bird attacks and mortality than a single streamer line (Melvin et al., 2001 ... ; Fenaughty, 2001; Smith, 2001). Based on these observations, the CCAMLR ad hoc Working Group on Incidental ... (Melvin and Robertson, 2001). Streamer line designs in current use stem from the best efforts and anec ... line. Boggs (2001) reported a 70% reduc- tion in North Pacifi c albatross contacts with baits using ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 189–201 : Auteur(s): Melvin, E.F., B. Sullivan, G. Robertson and B. Wienecke
-
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