Résultats de la recherche
-
Consideration of major issues in ecosystem monitoring and management
Paper Title: Consideration of major issues in ecosystem monitoring and management Abstract ... 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 ... mass Figure 1: Temporal and spatial scales of the interaction between penguin foraging activity ... Kock, 2001). In this case, the dependent species is widespread on the shelf and is likely to be ... movement that may be related to feeding and spawning activity (Everson et al., 2001), although movement ... provide a good estimator. This approach has been taken by Reid and Croxall (2001), who studied fur seal ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 213–232 : Auteur(s): Everson, I
-
Brief report of the joint Soviet-Australian expedition of the USSR FRV Professor Mesyatsev to the Australian fishing zone around the territory of Heard and McDonald Islands, May-August, 1987
Mesyatsev to the Australian fishing zone around the territory of Heard and McDonald Islands, May-August ... THE TERRITORY OF HEARD AND MCDONALD ISLANDS, MAY-AUGUST, 1987 V.V. Gherasimchook, V.N.- Brodin, A.V ... TERRITORY OF HEARD AND MCDONALD ISLANDS, MAY-AUGUST, 1987 Annotation This is a brief report on the ... May until 27 June and the second from 24 July until 2 August. The Soviet Union was represented by 12 ... . From 26 July to 1 August 19 bottom trawls were made and this enabled the boundaries of the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 75-103 : Auteur(s): Gherasimchook, V.V., V.N. Brodin, A.V. Kljausov, I.B. Russelo, P.V. Tishkov and N.B. Zaremba
-
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
pods were involved in 81.3% of the interactions. Significant variations of interaction rates with ... Paper Title: Interactions of Patagonian toothfish fisheries with killer and sperm whales in the ... pods were involved in 81.3% of the interactions. Significant variations of interaction rates with ... Hofman, 1999). Among such conflicts, depredation, which is defined as an operational interaction and ... differences in the level of interaction with killer and sperm whales between fishing vessels (Hucke- Gaete et ... with fishing ves- sels and possible differences in interaction levels between pods; (iii) to assess ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 179–195 : Auteur(s): Tixier, P., N. Gasco, G. Duhamel, M. Viviant, M. Authier and C. Guinet
-
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 ... positions showed that interactions occurred over a wide geographic range. These were mostly correlated to ... interactions with specifi c group sizes of killer whales and sperm whales was also analysed for the 2001/02 ... interactions taking place between cetaceans and fi shing operations (Purves, 2001). On previous voyages it ... interactions during the 2001 and 2002 seasons. Sperm whales were the most abundant marine mammals observed in ... of longlines during the 2000, 2001 and 2002 seasons. 119 Killer and sperm whale interactions with ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 111–126 : Auteur(s): Purves, M.G., D.J. Agnew, E. Balguerías, C.A. Moreno and B. Watkins
-
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. These ... present in the vicinity of the longlines, incidental seabird mortality). Interaction and depredation ... interaction between marine mammals and the fi shery is defi ned as an event during which marine mammals ... of interaction with killer or sperm whales for a given fi shing sector was expressed as the ratio ... interaction and depredation levels Sperm whales were commonly encountered interacting with the fi shery ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 67–82 : Auteur(s): Roche, C., C. Guinet, N. Gasco and G. Duhamel
-
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 ... %. Considering that no interactions were recorded in 153 (84%) of the effectively monitored sets, and that the ... whales. Financial loss associated with operational interactions involving depredation was US$92 684 (CI ... qu'aucune interaction n'a été relevée sur 153 (84%) des poses effectivement surveillées, et que le mode et ... characterise and quantify the interaction of marine mammals and the fi shery on a spatial and temporal basis ... , as well as to identify interaction ‘hotspots’ by overlapping geo- referenced hauls with marine ... mammal sightings and interaction locations. Results and discussion Marine mammal species observed ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 127–140 : Auteur(s): Hucke-Gaete, R., C.A. Moreno and J. Arata
-
Potential interactions between wandering albatrosses and longline fisheries for Patagonian toothfish at South Georgia
that D. exulans breeding at South Georgia have a relatively low potential risk of interaction with ... Paper Title: Potential interactions between wandering albatrosses and longline fisheries for ... interaction with longline fisheries around South Georgia between December and February (incubation period ... ibuted between August 1990 and September 1994, we have a total of 9 518 location uplinks from 45 birds ... INTERACTIONS BETWEEN WANDERING ALBATROSSES AND LONGLINE FISHERIES FOR PATAGONIAN TOOTHFISH AT SOUTH GEORGIA ... interactions are currently available. Within the Southern Ocean to the south of the Antarctic Polar Front ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 101–110 : Auteur(s): Croxall, J.P. and P.A. Prince
-
Seabird interactions with longlining operations for Dissostichus eleginoides around South Georgia, April to May 1994
Paper Title: Seabird interactions with longlining operations for Dissostichus eleginoides around ... eleginoides off South Georgia were assessed for incidental mortality and interactions with seabirds. Twenty ... birds/1 000 hooks. Mortality and interactions of birds with operations varied with site and time of day ... , and was affected by behavioural interactions between birds. Setting only at night would dramatically ... frequency of interaction which may be a result of (i) a marginal role during intense feeding activity due ... INTERACTIONS WITH LONGLINING OPERATIONS FOR DISSOSTZCHUS ELEGINOIDES AROUND SOUTH GEORGIA, APRIL TO MAY 1994 ... for incidental mortality and interactions with seabirds. Twenty-seven line sets were observed and 98 ... 3.12 birds/l 000 hooks. Mortality and interact~ons of birds with operations varied with site and time ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 111–121 : Auteur(s): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno
-
Seabird interactions with longlining operations for Dissostichus eleginoides at the South Sandwich Islands and South Georgia
Paper Title: Seabird interactions with longlining operations for Dissostichus eleginoides at the ... South Sandwich Islands, actual and potential interactions with seabirds were assessed. Bird numbers ... CCAMLR Science, Vol. 1: 143-153 SEABIRD INTERACTIONS ... eleginoides around the South Sandwich Islands, actual and potential interactions with seabirds were assessed ... , however, indicate significant catch rates of albatrosses. Resume Les interactions reelles et ... Interactions with Longlining regulates this fishery, notes and welcomes the invitation from Chile for one ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 143–153 : Auteur(s): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno
-
Seabird interactions with trawl and longline fisheries for Dissostichus eleginoides and Champsocephalus gunnari
Paper Title: Seabird interactions with trawl and longline fisheries for Dissostichus eleginoides ... interaction of seabirds with fishing vessels was closely monitored during the 1994/95 season i n bo th t ... because the net, with its heavy ground gear, sank quickly. The major interaction came when the factory ... INTERACTIONS WITH TRAWL AND LONGLINE FISHERIES FOR DISSOSTICHUS ELEGINOIDES AND CHAMPSOCEPHAL US GUNNARI R ... principal species South Georgia (Subarea 48.3) is well established targetted: Seabird Interactions with ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 93–99 : Auteur(s): Williams, R. and D. Capdeville