Resultados de la búsqueda
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Interannual and seasonal variability of salp by-catch from Japanese krill fishery around the South Shetland Islands
Abstract: Data on salp by-catch and green krill were analyzed based on Logbook data of Japanese ... krill trawlers. Inter-annual and seasonal variability of the timing, duration and strength of salp bloom ... were indicated. Salp by-catch and occurrence of green krill seemed to show reverse correlation ... ., Kawaguchi, S. Title: Interannual and seasonal variability of salp by-catch from Japanese krill fishery ...
Meeting Document : WG-EMM-97/37 : Autor(es): Naganobu, M., Ichii, T., Kawaguchi, S.
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Abundance and trends of Type B killer whales (Orcinus orca) around the western Antarctic Peninsula
impact of these physical changes on the marine ecosystem. The WAP is surrounded by a complex marine food ... web involving a number of predator and prey populations, and empirical data on abundance and trends is ... ecotypes (Types B1, B2 and A). Here we report on the movement patterns and abundance of both forms of Type ... , B2 = 13,621 photographs) to estimate abundance in the coastal waters of the WAP during austral ...
Meeting Document : WG-EMM-18/16 : Autor(es): H. Fearnbach, J.W. Durban, D.K. Ellifrit and R.L. Pitman
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The use of Port State measures to improve fisheries compliance at the international levelIssues and instruments – the CCAMLR case
approaches to port State control in order to avoid the development of “ports of convenience” and improve ... fisheries compliance. Possible approaches include the development of regional Memoranda of Understanding ... ) fishing. CCAMLR is generally regarded as a good regional model in the area of port State control. Hence ... , to encourage the application of similar approaches in those Regional Fisheries Management ...
Meeting Document : CCAMLR-XXV/BG/29 : Autor(es): Submitted by ASOC
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Population dynamics of black-browed and grey-headed albatrosses Diomedea melanophrys and D. chrysostoma at Campbell Island, New Zealand, 1942–96
Abstract: The numbers of Black-browed Albatrosses Diomedea melanophrys and Grey-headed ... increasing slightly at average rates of 1.1% and 2.1% per annum at two colonies. The long-term downward trend ... in numbers of the Grey-headed Albatross has continued into the 1990s, averaging annually between 3.0 ... Albatrosses show a typical biennial pattern of breeding. Both show low survival from fledging to first ...
Meeting Document : WG-FSA-04/58 : Autor(es): S.M. Waugh (New Zealand), H. Weimerskirch (France), P.J. Moore and P.M. Sagar (New Zealand)
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Poor breeding success of the Adélie penguin at Béchervaise Island in the 1998/99 season
Abstract: This paper describes the diet and foraging behaviour of Ad6lie penguins at B6chervaise ... Island during 1998-99, a season of high chick mortality. One thousand nests perished in the three weeks ... following first hatch, when the chicks were very small. A total of 802 chicks reached crèche age from 1880 ... island. Evidence from analyses of foraging location, foraging trip duration and diet led to the ...
Meeting Document : WG-EMM-99/25 : Autor(es): L. Irvine, J.R. Clarke and K.R. Kerry (Australia)
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USING GENETIC CONNECTIVITY TO IDENTIFY VULNERABLE MARINE ECOSYSTEMS (VMES) IN ANTARCTICA – THE ISSUE OF SCALE
is valuable for understanding the potential resilience of benthic communities under threat from ... bottom fishing. Genetic connectivity allows insight into the realized dispersal of organisms, i.e. the ... likelihood of new recruits arriving from surrounding areas. Despite the wide distribution patterns shown by ... facilitated by distance and deep-water barriers. A number of organisms exhibited genetic homogeneity within ...
Meeting Document : WS-VME-09/06 : Autor(es): Wilson, N.G.
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An underwater setting method for surface longliners, to minimise the accidental/incidental capture of seabirds
Abstract: The accidental/incidental capture of seabirds by longline gear may be causing a ... significant decline in the numbers of some species (most notably albatross Diomedea sp) in the Southern Oceans ... . In response to the sea bird problem, the New Zealand Department of Conservation funded a programme in ... trials to the setting depth of 1.5 metres. A second trial was undertaken with the backward facing U tube ...
Meeting Document : WG-FSA-97/53 : Autor(es): Walshe, K.A.R., Parnes, P.
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The diet of the blue-eyed shag, Phalacrocorax atriceps bransfieldensis at the west Antarctic Peninsula
Abstract: The diet of the Antarctic Blue-eyed Shag Phalacrocorax atriceps bransfieldensis was ... analyzed based on the identification of the prey items in 50 regurgitated casts collected at Duthoit Point ... . Fish remains occurred in 100% of the casts and represented 68% by number and 90% by weight of the total ... prey items. From a total of 2112 otoliths found, 1176 fish specimens were identified belonging to 4 ...
Meeting Document : WG-CEMP-93/26 Rev. 1 : Autor(es): R. Casaux and E. Barrera-Oro (Argentina)
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Deployment of research hauls in the exploratory fisheries for Dissostichus spp. in Subareas 48.6 and 58.4 in 2009/10
were positions were specified in Conservation Measure 41-07). For each of the 12 notifying vessels, up ... required to complete 5 research hauls in each stratum (total of 10 research hauls per SSRU). In all, 1133 ... starting positions were allocated for 84 vessel-SSRU combinations. As of June 2010, three vessels had ... fished in these exploratory fisheries in 2009/10, and had deployed a total of 129 research hauls in ...
Meeting Document : WG-SAM-10/04 : Autor(es): Secretariat
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Breeding and post-breeding foraging locations of Adélie penguins at Hope Bay/Esperanza, Antarctic Peninsula
Abstract: We compare the diet and the foraging distribution of Adélie penguins at Hope Bay ... /Esperanza, during the late part of the breeding season and their subsequent post breeding dispersal in two ... krill fishery activity at spatial and temporal scale. During both seasons, the bulk of the diet was ... represented by krill. Foraging locations during the breeding period were concentrated to the west of the ...
Meeting Document : WG-EMM-14/42 : Autor(es): M.M. Santos (Argentina), P.N. Trathan (UK), S. Thanassekos (Secretariat), E.F. Rombolá, M.A. Juáres (Argentina), K. Reid (Secretariat) and J.T. Hinke (USA)