Résultats de la recherche
-
Foraging partitioning between giant petrels Macronectes spp. and its relationship with breeding population changes at Bird Island, South Georgia
females in both species. Sex differences agree with previous observations on diet and on attendance at ... may be reduced by the limited overlap in the activity range, with southern giant petrels foraging ... extensively with longline fishery distribution, confirming their susceptibility to being caught on longline ... Macronectes spp. and its relationship with breeding population changes at Bird Island, South Georgia Approval ...
Meeting Document : WG-FSA-99/39 : Auteur(s): J. González-Solís, J.P. Croxall and A.G. Wood (United Kingdom)
-
Krill stock evaluation with data from commercial fishing vessels
patterns and diel and seasonal behavior of krill. Based on the last years experience with the Norwegian ... with commercial vessels should be aimed at. Author(s): G. Skaret (Norway), J. Moir Clark (United ... evaluation with data from commercial fishing vessels Approval: Approved ...
Meeting Document : WG-EMM-12/63 : Auteur(s): G. Skaret (Norway), J. Moir Clark (United Kingdom), O.R. Godø, R.J. Korneliussen, T. Knutsen, B.A. Krafft and S.A. Iversen
-
The relative by-catches of taxa associated with vulnerable marine ecosystems by autolines and Spanish longlines
bycatches of VME taxa made by vessels using Autolines and Spanish longlines. The fractions of sets with ... than for Spanish longlines. Using a generalized linear approach with a Tweedie distribution to model ... probabilities of observing positive bycatches decreased with depth for both gears. We also found that the rate ... at which positive bycatches decreased with depth was slightly greater for Autolines than for Spanish ...
Meeting Document : WG-FSA-13/41 : Auteur(s): T. Gerrodette and G.M. Watters (USA)
-
Contrasting population changes in sympatric penguin species in association with climate warming
chinstrap and Adélie penguins both declined. These trends occurred in parallel with regional long-term ... warming and significant reduction in sea ice extent. Periodical warm events, with teleconnections to the ... population decreases in the three penguin species. With the loss of sea ice, Adélie penguins were less ... climate perturbations on the sea ice phenology affect the marine ecosystem, with repercussions for penguin ...
Meeting Document : WG-EMM-06/P3 : Auteur(s): J. Forcada, P.N. Trathan, K. Reid, E.J. Murphy and J.P. Croxall (United Kingdom)
-
Modelling catch and effort data using generalised linear models with random cruise effects: trawl fishery for mackerel icefish (Champsocephalus gunnari) in CAMLR Area 58.5.2
in 2001 is most likely the result of the large abundance of 3 and 4 year-old fish in that year, which ... , after which time there was a sharp increase in 2001 with a steady decline thereafter. The sharp increase ... catch and effort data using generalised linear models with random cruise effects: trawl fishery for ...
Meeting Document : WG-FSA-03/35 : Auteur(s): S.G. Candy (Australia)
-
Size variations associated with abundance changes in juvenile Notothenia rossii observed at Potter Cove, South Shetland Islands, since the end of the fishery in the area
strongly associated with the last significant catches of fin-fish in the Subarea 48.1 in 1979/80 and could ... fishery. Not surprisingly, the analogous treatment of data of N. neglecta, a species with similar ... associated with abundance changes in juvenile Notothenia rossii observed at Potter Cove, South Shetland ... years in the same area. Author(s): E. Marschoff and E. Barrera-Oro (Argentina) Title: Size variations ...
Meeting Document : WG-FSA-91/13 : Auteur(s): E. Marschoff and E. Barrera-Oro (Argentina)
-
PRELIMINARY RESULTS FROM THE FIRST SURVEY SEASON OF ANTARCTIC KRILL AND APEX PREDATORS WITH THE COMMERCIAL FISHING VESSEL SAGA SEA IN THE SOUTH ORKNEY ISLANDS AREA 2011
survey each year for the next five years in the CCAMLR statistical Subarea 48.2 using the Norwegian krill ... OF ANTARCTIC KRILL AND APEX PREDATORS WITH THE COMMERCIAL FISHING VESSEL SAGA SEA IN THE SOUTH ORKNEY ...
Meeting Document : WG-EMM-11/23 : Auteur(s): B.A. Krafft, G. Skaret and L. Calise (Norway)
-
Distribution of salps near the South Shetland Islands during austral summer, 1990/1991 with special reference to krill distribution
high-chlorophyll a values, salps exhibited high biomass in the oceanic area with low chlorophyll a ... . Title: Distribution of salps near the South Shetland Islands during austral summer, 1990/1991 with ... 556 mgC•m-3 and was greatest at a station in the Bransfield Strait in late December 1990. Salp biomass ...
Meeting Document : WG-EMM-95/54 : Auteur(s): Terazaki, M., Ichii, T., Kawaguchi, K., Nishikawa, J., Ishii, H., Naganobu, M.
-
Fishes caught along with the Antarctic krill in the vicinity of the South Shetland Islands during the austral summer months of 1994
of krill concentration (Figs. 1 and 2). The large incidental catch of fishes occurred in hauls with ... higher density. Author(s): T. Iwami (Japan) Title: Fishes caught along with the Antarctic krill in the ... 100kg of kril1 was calculated (Tables 2 and 3). Fish abundance could have been depended on the density ...
Meeting Document : WG-Krill-94/25 : Auteur(s): T. Iwami (Japan)
-
Population dynamics of wandering albatross Diomedea exulans and Amsterdam albatross D. amsterdamensis in the Indian Ocean and their relationships with longline fisheries: conservation implications
populations are in contact with long-line fisheries, mainly the pelagic Japanese southern blue-Jin tuna ... Ocean and their relationships with longline fisheries: conservation implications Approval: Approved ... recent years has probably resulted in the slow recovery of these albatross populations as a result of ...
Meeting Document : WG-FSA-96/09 : Auteur(s): Jouventin, P., Brothers, N., Weimerskirch, H.