Resultados de la búsqueda
-
Fishing gear, marine debris and oil associated with seabirds at Bird Island, South Georgia, 2002/03
, though numbers of both decreased slightly since last year. The quantity of fishing gear associated with ... associated with seabirds at Bird Island, South Georgia from 1 April 2002 to 31 March 2003. It is the tenth ... such annual report. As in most previous years, more items of fishing gear (mostly longlining gear) and ... debris (mostly plastics) were found in association with wandering albatrosses than with any other species ...
Meeting Document : SC-CAMLR-XXII/BG/09 : Autor(es): Delegation of the United Kingdom
-
Anthropogenic feather soiling, marine debris and fishing gear associated with seabirds at Bird Island, South Georgia, 2000/01
fishing gear associated with seabirds at Bird Island, South Georgia. In this, the eighth year of ... standardised recording, an unprecedented quantity of hooks (both with and without long-line attached)and ... monofilament long-line originating from fishing vessels were recorded in association with wandering albatrosses ... . Quantities of fishing gear remained within the levels of previous years for all other species. Marine debris ...
Meeting Document : SC-CAMLR-XX/BG/07 : Autor(es): Delegation of the United Kingdom
-
Experience with seabird by-catch limits in a trial of longline fishing in the Macquarie Island toothfish fishery
seabirds in total from categories 1-3 were killed as a result of interactions with fishing gear then ... small breeding populations on Macquarie Island and are potentially vulnerable to interactions with ... of species with a different limit for each group. The groupings reflected the varying conservation ... of each species to fisheries interactions. The group containing those species with the most critical ...
Meeting Document : WG-FSA-07/19 : Autor(es): T. Hewitt and I. Hay (Australia)
-
Modelling growth of Antarctic krill: growth trends with sex, length, season, and region
Abstract: Growth trends of Antarctic krill with sex, length, season and region using over 10 ... years accumulation of instantaneous growth rate (IGR) measurements were modelled using a Linear Mixed ... the IGR with increasing size was generally observed. This trend decreased from summer to autumn with ... (Australia) Title: Modelling growth of Antarctic krill: growth trends with sex, length, season, and region ...
Meeting Document : WG-EMM-05/29 : Autor(es): S. Kawaguchi, S. Candy, R. King (Australia), M. Naganobu (Japan) and S. Nicol (Australia)
-
Integrating CPUE with the GY model: examination of the effects of shortening the CPUE series and incorporating elements of uncertainty into the D. eleginoides assessment of Subarea 48.3
truncated towards the more recent years. The use of the standardised series from the GLMM of Candy (2003 ... increases while the depletion probability decreases as the time series is reduced to recent years. In ... ) Title: Integrating CPUE with the GY model: examination of the effects of shortening the CPUE series and ... Abstract: This year the Subgroup on assessment methods (SAM) requested that WG-FSA consider ...
Meeting Document : WG-FSA-03/96 : Autor(es): I.R. Ball, S. Candy and A.J. Constable (Australia)
-
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 ... during the breeding season on fur seals, which have increased exponentially in recent years, may be ... extensively with longline fishery distribution, confirming their susceptibility to being caught on longline ...
Meeting Document : WG-FSA-99/39 : Autor(es): 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 : Autor(es): 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 : Autor(es): T. Gerrodette and G.M. Watters (USA)
-
Contrasting population changes in sympatric penguin species in association with climate warming
ice adapted gentoo penguins increased significantly in numbers over the last 26 years, whereas ... 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 ...
Meeting Document : WG-EMM-06/P3 : Autor(es): 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 : Autor(es): S.G. Candy (Australia)