Résultats de la recherche
-
IMPLEMENTATION OF FISHERY CONSERVATION MEASURES IN 2009/10
notified to Members in November 2009 (COMM CIRC 09/120, SC CIRC 09/61), and the CMs became binding in May ... 2010. These CMs and resolutions were published in the Schedule of Conservation Measures in Force in ... 2009/10 (see CCAMLR-XXIX/BG/9 for summary). 2. The implementation of CMs dealing with fisheries, data ... is discussed in this paper. The implementation of CMs focused on compliance and the System of ...
Meeting Document : CCAMLR-XXIX/BG/10 : Auteur(s): Secretariat
-
Chinstrap penguins alter foraging and diving behaviour in response to krill size
changes in prey availability. Chinstrap penguins are dependent predators of Antarctic krill in the Scotia ... Sea region. Both the sizes of krill found in penguin diets and acoustic estimates of krill biomass ... have fluctuated in recent years. We therefore examined the diet of chinstrap penguins at Livingston ... dives were unexpectedly deep (up to 110m) and mean nighttime depths sometimes exceeded those from the ...
Meeting Document : WG-EMM-07/11 : Auteur(s): A.K. Miller and W.Z. Trivelpiece (USA)
-
Age validation of Patagonian toothfish (Dissostichus eleginoides) from Heard and Macquarie Islands
number of observed increments after the mark in relation to the time-at-liberty between tagging and ... counting presumed growth increments on the sectioned face of sagittal otoliths. While there is a general ... consensus that the observed increments represent annual events, no direct validation has been provided for ... this species. This study attempts to validate the annual increments using strontium (Sr) marked ...
Meeting Document : WG-FSA-05/60 : Auteur(s): K. Krusic-Golub and R. Williams (Australia)
-
Diet composition of Antarctic toothfish caught in Divisions 58.4.1 and 58.4.2 in 2014/15 inferred from fatty acid stable isotope analyses
Abstract: To identify the important prey items for pre-recruit Antarctic toothfish in the SSRUs ... fishing vessel. In the previous studies, similarities in total FA compositions and the FA profiles in ... muscle tissue of Antarctic toothfish, bycatch specimen and icefish in the stomachs indicated a trophic ... connection between the toothfish and icefish. In this study, similarities in the δ13C values δ15N values of ...
Meeting Document : WG-EMM-16/31 : Auteur(s): Delegation of the Republic of Korea
-
Beach litter accumulation and retention at sub-Antarctic Marion Island: trends in relation to longline fishing activity
Spanish script items was noted, while French items only appeared after the onset of illegal fishing ... Abstract: Standardised beach litter surveys at subantarctic Marion Island for the period 1996 to ... 1998 are reported, and compared to surveys done in 1984 and 1995, prior to the onset of unregulated ... illegal fishing in this area. An exponential increase in the litter accumulation was noted in annual ...
Meeting Document : CCAMLR-XVII/BG/25 : Auteur(s): Delegation of South Africa
-
Seabird interactions with long-lining operations during an exploratory fishing cruise for Dissostichus eleginoides to South Sandwich Islands, Antarctica
Abstract: During seven operations involving the setting and hauling of long-lines to catch ... Dissostichus eleginoides around the South Sandwich Islands (Statistical Sub-area 48.4), actual y potential ... Georgia were rare; their vulnerability to long- lining operations in the South Sandwich Islands is ... interactions with seabirds were assessed. Bird numbers increased rapidly after dawn and large numbers of Cape ...
Meeting Document : SC-CAMLR-XII/BG/08 Rev. 1 : Auteur(s): Delegations of United Kingdom and Chile
-
Diving location and depth of breeding chinstrap penguins during incubation and chick-rearing period in King George Island, Antarctica
their foraging area and dive depth between incubation and chick-rearing, possibly due to the increased ... need of chick-feeding and the temporal changes in prey availability between the two reproduction stages ... Abstract: Breeding birds can increase their foraging efforts to feed chicks after hatching. We ...
Meeting Document : WG-EMM-17/P01 : Auteur(s): W.Y. Lee, S. Park, N. Choi, K.W. Kim, H. Chung and J.-H. Kim
-
Foraging range and at-sea locations of female Antarctic fur seals, Cape Shirreff, Livingston Island, from 1999–2002
successful at-sea satellite locations (mean: 12/day/female, SE±0.11), after the data were filtered to ... Abstract: During the breeding season, Antarctic fur seals are central-place foragers, ranging ... survival but that of her young. As such, a fundamental component to understanding the survival and ... reproductive success of fur seals is to identify habitat preferences. Our objective was to characterize the ...
Meeting Document : WG-EMM-02/53 : Auteur(s): M.E. Goebel, S.N. Sexton and D.P. Costa (USA)
-
Histopathology of Antarctic krill, Euphausia superba, bearing black spots
infections, and the parasitized spots were secondary infected by environmental bacteria after the parasites ... Abstract: Small black spots have been noticed on the cephalothorax of Antarctic krill, Euphausia ... superba, since January, 2001. To study the nature of the black spots, the krill were sampled in the winter ... of 2003, 2006, and 2007 in the South Georgia region, the Antarctic Ocean. Histological observations ...
Meeting Document : WG-EMM-08/P09 : Auteur(s): S. Miwa, T. Kamaishi, T. Matsuyama, T. Hayashi and M. Naganobu
-
Interactions between seabirds and deep water hake trawl gear: an assessment of impacts in South African waters 2004/05
Abstract: This study estimates the mortality of seabirds in the South African deep water hake ... during 20 trips on 14 vessels between mid-2004 and end 2005. Long-winged albatrosses were killed most ... of fishery wastes. Using a bootstrapping approach to estimate 95% confidence intervals (CI), the ... the total impact of the fishery requires assumptions about total fishing effort, the proportion of ...
Meeting Document : WG-FSA-06/41 : Auteur(s): B.P. Watkins, S.L. Petersen and P.G. Ryan (South Africa)