Resultados de la búsqueda
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Multinational large-scale krill synoptic survey in CCAMLR Area 48 in 2019 – survey plan and protocol for consideration by SG-ASAM 2018
Abstract: The objective for the Multinational Large-Scale Krill Synoptic Survey in CCAMLR area 48 ... in 2019 is to provide an updated estimate of the biomass of Antarctic krill (Euphausia superba) used ... in models to estimate sustainable yield. The planned survey follows, as close as possible, the design ... of the CCAMLR 2000 survey, that was undertaken in the year 2000. The basis for comparisons will ...
Meeting Document : SG-ASAM-18/07 : Autor(es): B.A. Krafft, O.A. Bergstad, T. Knutsen, G. Skaret and G. Macauley
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RECRUITMENT AND BODY SIZE IN RELATION TO TEMPERATURE IN JUVENILE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) AT SOUTH GEORGIA
commercially important, deepwater nototheniid fish, was examined at the sub-Antarctic island of South Georgia ... . Abundance of the 1+ juvenile fish cohort (13 to 15 month old dependent on survey date) was found to vary ... inter-annually and was found to be inversely correlated with the sea surface temperature (SST ... and larvae were not significantly correlated with juvenile density. The mean length of 1+ fish ...
Meeting Document : WG-FSA-08/P02 : Autor(es): M. Belchier and M.A. Collins
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Propuesta para establecer un Área Marina Protegida en la región del Mar de Ross
Report). After careful consideration of that advice, the proposal has been revised. Among the key ... Abstract: The delegations of New Zealand and the United States submit this revised proposal for ... the establishment by the Commission for the Conservation of Antarctic Marine Living Resources ... (Commission or CCAMLR) of a marine protected area (MPA) in the Ross Sea Region (“Ross Sea Region Marine ...
Meeting Document : CCAMLR-XXXII/27 : Autor(es): Delegations of New Zealand and the USA
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Beach debris survey Signy Island, South Orkney Islands 1997/98
from three study beaches, Cummings Cove, Foca Cove and Starfish Cove after the prolonged presence of ... Abstract: The eighth annual beach debris survey was carried out at Signy Island (UK), South ... Orkney Islands during the 1997/98 austral summer. Debris was cleared each month between January and March ... sea ice around the South Orkney Islands prevented the base from opening until 12 January. The debris ...
Meeting Document : CCAMLR-XVII/BG/20 : Autor(es): Delegation of the United Kingdom
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Spatio–temporal dynamics of Antarctic krill fishery: identification of fishing hotspots
Abstract: Antarctic krill is a key species in the Southern Ocean food web and is also the target ... of the greatest fishery in Antarctic waters. Management of the fishery is based on a precautionary ... catch limit, representing 0.11 the allowable catch limit for CCAMLR Area 48, and further divided by ... subarea. Despite that the fishery is operating in the Antarctic Peninsula area since 1980s, the spatial ...
Meeting Document : WG-EMM-16/52 : Autor(es): F. Santa Cruz, B. Ernst and J.A. Arata
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Otolith elemental signatures reveal habitat shift of Electrona carlsbergi
across different fronts into the Antarctic waters from the warmer waters after age 1. E. carlsbergi with ... which circumpolar distributed between the warm waters of the subtropical confluence zone and the ... Southern Ocean. The distribution, life history and migration pattern of this species were examined using ... the biological data in 1990s, however, the habitat shift of this species was still unclear. The ...
Meeting Document : WG-FSA-17/65 : Autor(es): L. Wei and G.P. Zhu
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IMPROVEMENT OF KRILL FISHING NOTIFICATION ACCURACY THROUGH NOTIFICATION FEES
of the United States The Commission adopted notification procedures for krill fishing in 2005. These ... procedures were intended to improve the Scientific Committee’s ability to provide advice to the Commission on ... krill fishing for the coming season. However, grossly inaccurate estimations of krill catch provided in ... Members’ notifications have hampered the Scientific Committee’s ability to properly estimate the seasonal ...
Meeting Document : CCAMLR-XXIX/34 : Autor(es): Delegation of the USA
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Population, breeding, diet and conservation of Crozet shag Phalacrocorax [atriceps] melanogenis at Marion Island, 1994/95 to 2002/03
Abstract: The number of Crozet shags or cormorants Phalacrocorax [atriceps] melanogenis breeding ... at subantarctic Marion Island decreased by 68% from 841 pairs in 1994/95 to 272 pairs in 2002/03. The ... mean number of pairs at colonies also decreased and was significantly related to the overall number of ... birds breeding in any given season. The decreases coincided with a period of warming and reduced ...
Meeting Document : WG-EMM-03/17 : Autor(es): R.J.M. Crawford, J. Cooper, B.M. Dyer, A.C. Wolfaardt, D. Tshingana, K. Spencer, S.L. Petersen, J.L. Nel, D.G. Keith, C.L. Holness, B. Hanise, M.D. Greyling and M. du Toit (South Africa)
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Decline of Antarctic fur seal (Arctocephalus gazella) population at SSSI No. 32, South Shetlands, Antarctica, during 1997/98: a discussion of possible causes
Abstract: Little is known of what happened after the exploitation period with the population of ... Antarctic fur seal (Arctocephalus gazella) on the Antarctic peninsula region, specifically on the South ... the northen tip of Livingston island, where the most important colony of this species on the South ... season diferentially counting sex and age categories to assess total population. We present the up to ...
Meeting Document : WG-EMM-98/17 : Autor(es): R. Hucke-Gaete, D. Torres, A. Aguayo and V. Vallejos (Chile)
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VARIABILITY IN KRILL BIOMASS LINKS HARVESTING AND CLIMATE WARMING TO PENGUIN POPULATION CHANGES IN ANTARCTICA
increased after competitors (fur seals, baleen whales, and some fishes) were nearly extirpated in the 19th ... Abstract: The West Antarctic Peninsula (WAP) and adjacent Scotia Sea support abundant wildlife ... populations, many of which were nearly extirpated by humans. This region is also among the fastest-warming ... areas on the planet, with 5–6 °C increases in mean winter air temperatures and associated decreases in ...
Meeting Document : WG-EMM-11/P1 : Autor(es): W.Z. Trivelpiece, J.T. Hinke, A.K. Miller, C.S. Reiss, S.G. Trivelpiece and G.M. Watters