Résultats de la recherche
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Report on a tuna long-lining fishing voyage aboard Southern Venture to observe seabird by-catch problems
% of bait-takes resulted in a bird being hooked. The mollymawk was hooked at night near full moon, but ... Abstract: Incidental captures of seabirds, and the behaviour of seabirds around the fishing gear ... as it was deployed, were observed during 8-days' fishing of a New Zealand-owned tuna long-liner ... . From 11,200 hooks set 6 seabirds were hooked and recovered: 5 Wandering Albatross Diomedea exulans of ...
Meeting Document : WG-IMALF-94/10 : Auteur(s): M.J. Imber (New Zealand)
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Pleuragramma antarcticum distribution in the Ross Sea during late austral summer 2013
Abstract: Research during the last decade has revealed much about the early life history of ... Pleuragramm antarcticum, including confirmation of the first known nursery ground in Terra Nova Bay. However ... sampled the icthyoplankton community at 17 locations in the western Ross Sea as well as one location in ... the central Ross Sea and one location in the far south of the eastern Ross Sea (in the Bay of Whales ...
Meeting Document : WG-EMM-14/38 : Auteur(s): C. Brooks and K. Goetz (USA)
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Benchmarking CCAMLR
cohesive structure and apportioning of their work schedules. The discussions to be held at the 2016 ... WG-SAM and WG FSA has not been reviewed by Scientific Committee. Author(s): Delegation of the United ...
Meeting Document : SC-CAMLR-XXXV/BG/31 : Auteur(s): Delegation of the United Kingdom
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VARIATION IN DEMERSAL FISH SPECIES RICHNESS IN THE OCEANS SURROUNDING NEW ZEALAND: AN ANALYSIS USING BOOSTED REGRESSION TREES
species richness, with highest richness occurring at depths of 900 to 1000 m, and with a broad plateau of ... characteristics using an extensive collection of trawl data from the oceans around New Zealand. Analyses were ... ‘stochastic gradient boosting’). Depth was the single most important environmental predictor of variation in ... concentrations of chlorophyll a and in zones of mixing of water bodies of contrasting origins. Local variation in ...
Meeting Document : WS-VME-09/P04 : Auteur(s): Leathwick, J.R., Elith, J., Taylor, P., Francis, M.P., Hastie, T.
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Diet components and trophic interactions in five demersal fish in CCAMLR Subarea 48.3
carried out during the month of May 2013, on board of RV DY Eduardo L. Holmberg (INIDEP), at depths from ... Abstract: Diet components and trophic interactions in five demersal fish caught around of South ... Georgia’s waters was determined. Data were obtained from samples of Champsocephalus gunnari, Chaenocephalus ... 74 to 240 m. Prey Specific Index of Importance (%PSIRI) by each prey in each predator and, trophic ...
Meeting Document : WG-FSA-13/60 : Auteur(s): N.R. Marí and G.H. Troccoli (Argentina)
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Skate tagging in the Heard Island and McDonald Island (Division 58.5.2) toothfish fishery up to 2013
take three species of skates, Bathyraja eatonii, B. irrasa and B. murrayi, as their most common ... biology of these species. In the 13 years, over 12,000 skates have been tagged, with 112 recaptures, a ... recapture rate of less than one percent. The average distance between release and recapture for each of the ... in all directions. Most recaptures occurred within the first three years, with the maximum time at ...
Meeting Document : WG-FSA-13/22 : Auteur(s): G.B. Nowara, T.D. Lamb and D.C. Welsford (Australia)
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Casal2: New Zealand’s integrated population modelling tool
assessment pack-age since 2002. Casal2 replicates most of CASAL’s functions such as many stocks, fisheries ... , and areas; age-or length-based dynamics; the use of several data sources (e.g., abundance indices, age ... efficient program-ming practices and tools than CASAL. CASAL has enabled a more efficient use of resources ... for stockassessments, such as allowing a wider range of staff to conduct assessments, helped ...
Meeting Document : WG-SAM-18/P01 : Auteur(s): I. Doonan, K. Large, A. Dunn, S. Rasmussen, C. Marsh and S. Mormede
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DEVELOPING A ‘BEST AVAILABLE SCIENCE’ BATHYMETRIC DATA FRAMEWORK FOR FISHERIES MANAGEMENT IN THE ROSS SEA
available science” bathymetric data for the Ross Sea region along with a set of spatial tools in the form of ... use by fishery managers. This is especially important because of the multinational use of such data ... and generating rugostiy at user-defined scales. Future work will incorporate data from multibeam ...
Meeting Document : WG-FSA-09/38 : Auteur(s): S.J. Parker, S.M. Hanchet, B. Wood and A. Dunn (New Zealand)
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OTOLITH CHEMISTRY REFLECTS FRONTAL SYSTEMS IN THE ANTARCTIC CIRCUMPOLAR CURRENT
Abstract: Pronounced environmental trends across fronts suggest that the otolith chemistry of ... oceanic fish can resolve zones on either side, promoting application to population questions at similar ... spatial scales. Trace and minor elements laid down immediately prior to capture – along the edges of ... Bank; 2) Mn/Ca enrichment associated with South America; 3) Sr/Ca linked to the presence of Circumpolar ...
Meeting Document : WG-FSA-08/P04 - Abstract : Auteur(s): J.R. Ashford, A.I. Arkhipkin and C.M. Jones
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Mapping Application for Penguin Populations and Projected Dynamics (MAPPPD)
objectives as set forth by CCAMLR and other components of the Antarctic Treaty system (i.e., Antarctic Treaty ... , Adélie, and chinstrap) for the region south of 60° S. A Bayesian population model integrates the ... available data to develop estimates of abundance for each site and for each year since 1982; estimates are ... easily aggregated across multiple sites to obtain abundance estimates over any user-defined area of ...
Meeting Document : CCAMLR-XXXV/BG/15 : Auteur(s): Submitted by Oceanites, Inc.