Résultats de la recherche
-
Growth and natural mortality of Patagonian rockcod (Patagonotothen guntheri shagensis) from Shag Rocks shelf
-weight data of research and fishery survey cruises in the Shag Rocks area from 1978 to 1986. The natural ... fish in a sample. The calculations were based on age composition data for the second half of 1978 ... data, 50% of fish attain sexual maturity at a length of 15.6 to 16.5 cm. 115 Our observations ... fish is 12 to 14 cm length. This period corresponds with the age of 2.5 years. According to these data ... . In accordance with data from 1978 to 1986, the age of fish which corresponds with maximum biomass ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 111–121 : Auteur(s): Shlibanov, V.I.
-
The diet of Antarctic fur seals Arctocephalus gazella during the breeding season at South Georgia
krill and the subsequent reproductive failure among krill predators. The frequency of occurrence of fish ... . Champsocephalus gunnari and Lepidonotothen larseni agg., which both feed on krill, dominated the fish component of ... Euphausia superba was the main prey item, occurring in 88% of all scats (n=497), whereas fish occurred in 47 ... was much higher than in previous studies; the pattern of fish consumption showed a consistent seasonal ...
Meeting Document : WG-EMM-95/28 : Auteur(s): Arnould, J.P.Y., Reid, K.
-
Seabird by-catch by autoline vessels: do line setters increase the sink rate of integrated weight longlines?
toothfish (Dissostichus eleginoides) fisheries to deter seabirds, ostensibly by expediting gear sink rates ... substantial reductions in interactions between longlines and seabirds in the Kerguelen and Crozet fisheries ... other tooth- fish fisheries in the Convention Area, where a full set of mitigation measures are ... nearest second on a digital watch synchro- nised to the TDR internal clocks. Data were down- loaded from ... -depth files and the median zero offset value determined from the 10 rows of data before the water ... TDRs. Data analysis Time-to-target depth was analysed with a lin- ear mixed model using the SAMM ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 107–114 : Auteur(s): Robertson, G., J. Williamson, M. McNeill, S.G. Candy and N. Smith
-
NPOA-Seabirds Science Advisory Group Final recommendations on fields of research for the NPOA Medium Term Research Plan 2006/07–2010/11
to be considered when commissioning future research on seabird interactions with fisheries and the ... interactions in New Zealand fisheries. The recommendations were used in the development of the research plan ...
Meeting Document : WG-FSA-05/46 : Auteur(s): S. Waugh (Convener) (New Zealand)
-
The diet of black-browed albatrosses at the Diego Ramirez Islands, Chile
fish hooks and fish bait species, indicates a strong association with fisheries in southern Chile ... similar throughout the study, with diet being dominated by fish in all three years. Overall, the main ... Front. The prevalence in the diet of fish species discarded from fishing operations, and the presence of ... -3.7% by mass), which are both fisheries-related species, and the squid Martialia hyadesi (8-20% by ...
Meeting Document : WG-FSA-03/9 : Auteur(s): J. Arata (Chile) and J.C. Xavier (United Kingdom)
-
New Zealand Draft National Plan of Action – Seabirds
Zealand fisheries waters. It will also apply to high seas fisheries in which New Zealand flag carrying ...
Meeting Document : WG-FSA-03/41 : Auteur(s): J. Nicolson and D. Randall (New Zealand)
-
FISHING EQUIPMENT, MARINE DEBRIS AND HYDROCARBON SOILING ASSOCIATED WITH SEABIRDS AT BIRD ISLAND, SOUTH GEORGIA, 2007/2008
marine debris and fishing gear (mostly hooks and lines from longline fisheries) were found in association ... were observed, and in both cases the fishing gear was typical of that used in longline fisheries. There ...
Meeting Document : WG-FSA-08/25 : Auteur(s): D. Fox (UK)
-
Operational interactions of sperm whales and killer whales with the Patagonian toothfish industrial fishery off southern Chile
rather than on the fish caught on the line, as suggested by the response of sperm whales to the presence ... the operation, with particular emphasis on line hauling). Fish remains, as well as damaged fi sh ... (Hal Whitehead, Dalhousie University, Canada). Observation data were initially analysed with ... occurs. More dedicated data accumulated over the years could shed further light on this issue ... : Nototheniidae) in Chile. Document WG-FSA- 91/10. CCAMLR, Hobart, Australia. Manly, B.F.J. 1997. Randomization ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 127–140 : Auteur(s): Hucke-Gaete, R., C.A. Moreno and J. Arata
-
VME Taxa Classification Guide
identification. This document may be cited as: CCAMLR VME Taxa Classification Guide. 4 pp. (2009) References ... thank the CCAMLR VME Workshop and Working Group on Fish Stock Assessment for their comments and ... potentially vulnerable invertebrate taxa in the SPRFMO Area. New Zealand Ministry of Fisheries, Wellington ... Department of Environment, Water, Heritage, and the Arts, Australian Antarctic Division and the Fisheries ...
Document : Site Section: Publications
-
Cetaceans as indicators of historical and current changes in the East Antarctica ecosystem
the East Antarctica ecosystem in the context of two hypotheses, the ‘krill surplus’ hypothesis in the ... middle of the past century and the recovery of krill-eater large whales since the 1980’s. There was an ... interest to investigate the effects of those events on other krill predators such as the Antarctic minke ... Antarctica (70°E-170°W) showed that the increased krill availability in the middle of the past century could ...
Meeting Document : WG-EMM-16/64 : Auteur(s): Y. Fujise and L.A. Pastene