Search results
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Seabird by-catch by autoline vessels: do line setters increase the sink rate of integrated weight longlines?
in the first few metres of the water column where seabird interactions are likely to be most intense. Longlines ... astern. This increase in depth is minor and unlikely to result in substantial reductions in interactions ... of the water column where seabird interactions are likely to be most intense. Longlines deployed with the line ... in depth is minor and unlikely to result in substantial reductions in interactions between longlines ... the period from September 2001 to August 2003 when nearly 27 000 seabirds were killed (Delord et al., 2005 ... , depth and the treatment x depth interaction were treated as fixed effects and pair number, magazine ... setter were identical, including in the first few metres of the water column where seabird interactions ... in substantial reductions in interactions between longlines and seabirds in the Kerguelen and Crozet fisheries ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 107–114 : Author(s): Robertson, G., J. Williamson, M. McNeill, S.G. Candy and N. Smith
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Seabird mortality in the Patagonian toothfish longline fishery around Crozet and Kerguelen Islands, 2001–2003
respectively) killed 26 668 seabirds between September 2001 and August 2003. Overall, the white-chinned petrel ... and Kerguelen Islands, 2001–2003 Abstract / Description: The legal Patagonian toothfish (Dissostichus ... Islands (Subarea 58.6 and Division 58.5.1 respectively) killed 26 668 seabirds between September 2001 ... and August 2003. Overall, the white-chinned petrel (Procellaria aequinoctialis) was the most frequently ... 2001 and August 2003. Overall, the white-chinned petrel (Procellaria aequinoctialis) was the most ... 426 726 hooks) deployed from 1 September 2001 to 31 August 2003. A total of 26 668 seabirds were ... seasons, as suggested by the signifi cant interaction between season and moon brightness. In 2001/02 ... of 26 668 seabirds were counted as having been killed from September 2001 to August 2003 and overall ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 53–80 : Author(s): Delord, K., N. Gasco, H. Weimerskirch, C. Barbraud and T. Micol
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Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia
in August. Killer whale interactions appear to be more consistent with no obvious pattern between months ... towards the end of the season in August. Killer whale interactions appear to be more consistent ... encounters and pod sizes have remained relatively constant. Most interactions from sperm whales occur during ... interactions from sperm whales occur during May at the start of the season with the sightings becoming fewer ... and July, and 21% in August. Figure 2 shows the distribution of interactions for both species by month ... have remained relatively constant. Most interactions from sperm whales occur during May at the start ... of the season with the sightings becoming fewer towards the end of the season in August. Killer whale ... interactions appear to be more consistent with no obvious pattern between months. Both species demonstrate ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 163–178 : Author(s): Moir Clark, J. and D.J. Agnew
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Validation of sink rates of longlines measured using two different methods
2 m down to the seabed. A major advantage of the TDRs is the archival nature of the data collected. File ... to the seabed. A major advantage of the TDRs is the archival nature of the data collected. ... is the archival nature of the data collected. Résumé La vitesse d’immersion des palangres à lest intégré (lignes ... collectées qui permet de les archiver. SHORT NOTE Wienecke and Robertson 180 Introduction ... of string of known length is attached. Fenaughty and Smith (2001) described the method of deploying ... ). Each longline deployed by the vessel consisted of six magazines, each 1.8 km long. Mk9 TDRs ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 179–187 : Author(s): Wienecke, B. and G. Robertson
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Interactions of Patagonian toothfish fisheries with killer and sperm whales in the Crozet Islands Exclusive Economic Zone: an assessment of depredation levels and insights on possible mitigation strategies
Paper Title: Interactions of Patagonian toothfish fisheries with killer and sperm whales ... pods were involved in 81.3% of the interactions. Significant variations of interaction rates ... Interactions of Patagonian toothfish fisheries with killer and sperm whales in the Crozet Islands ... % of the interactions. Significant variations of interaction rates with killer whales were detected between vessels ... InteractIons of PatagonIan toothfIsh fIsherIes wIth kIller and sPerm whales In the crozet Islands exclusIve ... pods were involved in 81.3% of the interactions. Significant variations of interaction rates ... -identification ont révélé que 81,3% des interactions concernaient 35 orques appartenant à quatre troupeaux ... différents. De fortes variations des taux d'interaction avec les orques ont été détectées entre les navires ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 179–195 : Author(s): Tixier, P., N. Gasco, G. Duhamel, M. Viviant, M. Authier and C. Guinet
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Killer whale (Orcinus orca) and sperm whale (Physeter macrocephalus) interactions with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic
Paper Title: Killer whale (Orcinus orca) and sperm whale (Physeter macrocephalus) interactions ... / Description: Killer whale (Orcinus orca) and sperm whale (Physeter macrocephalus) interactions with longline ... , were present during 5% of haul observations. A high inter-vessel variation was noted for interactions ... showed that interactions occurred over a wide geographic range. These were mostly correlated ... of depredation Observers monitored 78% of hauls for marine mammal interactions during the 2001 and 2002 ... , 2001 and 2002 seasons. 119 Killer and sperm whale interactions with longline vessels whale ... interactions occurred with killer whales and sperm whales at South Georgia during the 2001 and 2002 seasons ... Table 5: The catch rates of toothfish in the 2001 season, for hauls during which interactions occurred ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 111–126 : Author(s): Purves, M.G., D.J. Agnew, E. Balguerías, C.A. Moreno and B. Watkins
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Consideration of major issues in ecosystem monitoring and management
, their interactions and the manner in which their populations vary naturally. Large-scale interactions are catered ... for in the Krill Yield Model (KYM). Smaller-scale interactions centre around three main categories ... resources and highlights the need for information on harvested and dependent species, their interactions ... and the manner in which their populations vary naturally. Large-scale interactions are catered for in the Krill ... powerful archive with which to study ecosystem interactions. From the outset, the importance of under ... for information on harvested and dependent species, their interactions and the manner in which their populations ... vary naturally. Large-scale interactions are catered for in the Krill Yield Model (KYM). Smaller ... -scale interactions centre around three main categories: the availability of krill, variation in vital ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 213–232 : Author(s): Everson, I
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Marine mammals and demersal longline fishery interactions in Crozet and Kerguelen Exclusive Economic Zones: an assessment of depredation levels
Paper Title: Marine mammals and demersal longline fishery interactions in Crozet and Kerguelen ... Exclusive Economic Zones: an assessment of depredation levels Abstract / Description: Interactions between ... ) between 2003 and 2005. In the Crozet EEZ, the reported interactions involved killer whales and sperm ... longlines set. In the Kerguelen EEZ, the reported interactions involved sperm whales and fur seals ... ): 67–82 67 MARINE MAMMALS AND DEMERSAL LONGLINE FISHERY INTERACTIONS IN CROZET AND KERGUELEN ... F-75231 Paris Cedex 05 France Abstract Interactions between killer whales (Orcinus orca), sperm whales ... , the reported interactions involved killer whales and sperm whales. These two species, alone or in co ... , the reported interactions involved sperm whales and fur seals. These two species, alone or in co-occurrence ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 67–82 : Author(s): Roche, C., C. Guinet, N. Gasco and G. Duhamel
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The biology, ecology and development of fishery management advice for the anomuran crabs at South Georgia (CCAMLR Subarea 48.3)
species. The ecosystem interactions and function of all lithodids in the region remain poorly understood ... the identification of the less frequently caught species. The ecosystem interactions and function of all lithodids ... species. The ecosystem interactions and function of all lithodids in the region remain poorly understood ... (Dissostichus eleginoides) at South Georgia (Agnew et al., 2001). Laboratory studies on adult growth ... Total catch (tonnes) July/August 1992 Pro Surveyor (USA) Paralomis sp. 299 September 1995–January ... 1996 American Champion (USA) P. spinosissima 497 August 1999 (14 days) Argos Helena (GBR ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 1–15 : Author(s): Belchier, M., T. Peatman and J. Brown
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Operational interactions of sperm whales and killer whales with the Patagonian toothfish industrial fishery off southern Chile
Paper Title: Operational interactions of sperm whales and killer whales with the Patagonian ... toothfish industrial fishery off southern Chile Abstract / Description: Interactions of sperm whales ... that no interactions were recorded in 153 (84%) of the effectively monitored sets, and that the mode and median ... with operational interactions involving depredation was US$92 684 (CI 95% US$47 302–153 745) for the whole fleet ... (2004): 127–140 127 OPERATIONAL INTERACTIONS OF SPERM WHALES AND KILLER WHALES WITH THE PATAGONIAN ... Ecología y Evolución Universidad Austral de Chile Casilla 567, Valdivia, Chile Abstract Interactions ... 0 and 100%. Considering that no interactions were recorded in 153 (84%) of the effectively monitored sets ... . Financial loss associated with operational interactions involving depredation was US$92 684 (CI 95% US$47 ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 127–140 : Author(s): Hucke-Gaete, R., C.A. Moreno and J. Arata