Resultados de la búsqueda

1. Oil, marine debris and fishing gear associated with seabirds at Bird Island, South Georgia 1995/96

   Abstract:  In the third year of standardised recording of oil, fishing gear and marine debris at ... grey-headed albatrosses (two items). One gentoo penguin chick was released from entanglement in a ... were reported in association with grey-headed albatrosses (one squid jig decoy), black-browed ... (two squid jigs; six hooks swallowed and impaled (four in adults, two in chicks), the remainder being ...

   Meeting Document : SC-CAMLR-XV/BG/04 : Autor(es): Delegation of the United Kingdom

2. Diet and feeding ecology of the diving petrels Pelecanoides georgicus and P. urinatrix at South Georgia

   Bird Island, South Georgia. The diet of both species was dominated by crustaceans. in particular ... crustaceans in the diet of P. georgicus. and copepods, which contributed 71 % of the biomass of crustaceans in ... the diet of P. urinatrix. Calanoides acutus was the most numerous copepod in the diet of both species ... ; however, Rhincocalamus gigas was more common in P. urinatrix than in P. georgicus. The dominant amphipod ...

   Meeting Document : WG-EMM-97/10 : Autor(es): Croxall, J.P., Prince, P.A., Hill, H.J., Edwards, T.M., Reid, K.

3. Further development of a krill fishery simulation model

   Abstract:  The model of the krill fishery presented in 1993 (wg-Krill-93/14) refined and applied ... to both Japanese and Chilean krill fishing fleets in Subarea 48.1. A stochastic element is introduced ... to account for variability in catch rates. The most successful management regime is found to be one ... the model predicts a 90% reduction in overlap with foraging predators, and a 15 to 20% reduction in ...

   Meeting Document : WG-Joint-94/04 : Autor(es): D.J. Agnew (Secretariat)

4. IMPACTS OF CLIMATE CHANGE ON ANTARCTIC MARINE ECOSYSTEMS: A CALL FOR ACTION

   Abstract:  Climate change has emerged as an important topic in Antarctic research over the past ... decade, but little in the way of policy or operational change has resulted at CCAMLR. Over the past 50 ... changes are accelerating as time passes, including regional changes in sea ice persistence and extent. The ... reductions in sea ice will be among the most immediate changes, and likely will lead to major alteration in ...

   Meeting Document : CCAMLR-XXVII/BG/27 : Autor(es): Submitted by ASOC

5. Do fish prey size affect the foraging patterns and breeding output of the Antarctic shag Phalacrocorax bransfieldensis?

   the Antarctic Shag Phalacrocorax bransfieldensis was obtained at three colonies in the Danco Coast (Py ... , followed by octopods and gastropods. Between colonies there were marked differences in the size of the fish ... . Differences in the composition of the diet might be related to different foraging areas used by the shags ... spent significantly more time in foraging activities. Although at the beginning of the study the number ...

   Meeting Document : WG-EMM-02/4 : Autor(es): R. Casaux and A. Baroni (Argentina)

6. The diet of Antarctic fur seals Arctocephalus gazella during the breeding season at South Georgia

   Euphausia superba was the main prey item, occurring in 88% of all scats (n=497), whereas fish occurred in 47 ... % and squid in 5%. There was considerable intra and inter-annual variation in the characteristics of ... selecting particular sizes of krill and, therefore, that the krill in the diet reflects the krill available ... around South Georgia. The absence of group 3 krill (44-48 mm in length) in the South Georgia area, as ...

   Meeting Document : WG-EMM-95/28 : Autor(es): Arnould, J.P.Y., Reid, K.

7. Research results from the SPRFMO exploratory fishing program for Antarctic toothfish 2016 and 2017

   toothfish in the South Pacific Regional Fisheries Management Organisation (SPRFMO) Convention Area during ... catch rates of post-spawning Antarctic toothfish, similar in magnitude to catch rates in the north ... . Fish were in poor body condition as assessed using Fulton’s condition factor indicative of full or ... partial starvation which would be consistent with a spawning event prior to the sampling in 2016 and 2017 ...

   Meeting Document : WG-FSA-18/39 : Autor(es): J.M. Fenaughty, M. Cryer and A. Dunn

8. Effect of a shore-based sampling program on Notothenia coriiceps populations

   coriiceps was studied at Potter Cove, South Shetland Islands, by comparing catch data taken in successive ... summers of 1992/93 to 1994/95 at one specific zone (site 1) with those taken in the same last summer at ... under similar sampling conditions (depth, net measurements, bottom type). In site 1, a marked decrease ... in length (TL) of the fish was observed throughout the whole period. The fish from sites 2 (x=32.4 cm ...

   Meeting Document : WG-FSA-99/24 : Autor(es): R. Casaux and E. Barrera-Oro (Argentina)

9. SEASONAL ESTIMATION OF ABUNDANCE BY BOOTSTRAPPING INEXACT RESEARCH DATA (SEABIRD): A METHOD FOR ASSESSING ABUNDANCE AND UNCERTAINTY FROM HISTORICAL COUNT DATA USING ADELIE PENGUINS AS A CASE STUDY

   Abstract:  In addition to a review of published studies on Adelie penguin abundance at breeding ... sites in Antarctica, Southwell (2004) proposed a general abundance estimator appropriate for a species ... of that kind. The present study attempts to implement this estimator in the form of a parametric ... uncertainty at breeding sites in Antarctica. To achieve this task, a menu-driven suite of routines titled ...

   Meeting Document : WG-EMM-PSW-08/11 : Autor(es): J.P. McKinlay and C.J. Southwell (Australia)

10. Distribution and abundance of skates (Bathyraja spp.) on the Kerguelen Plateau through the lens of the toothfish fisheries

    as incidental by-catch in Patagonian toothfish (Dissostichus eleginoides) longline and trawl ... fisheries, and the mackerel icefish (Champsocephalus gunnari) trawl fishery on the Kerguelen Plateau (KP) in ... mainly with depth. Off Heard Island and McDonald Islands (HIMI), in the southern part of the KP, B ... respectively.  The smallest species, B. murrayi, occurred mainly in the shallower waters down to 550 m, and was ...

    Meeting Document : WG-FSA-16/P03 : Autor(es): G.B. Nowara, P. Burch, N. Gasco, D.C. Welsford, T.D. Lamb, C. Chazeau, G. Duhamel, P. Pruvost, S. Wotherspoon and S.G. Candy

Páginas