Resultados de la búsqueda
-
Temporal variation in Antarctic sea-ice: analysis of a long-term fast-ice record from the South Orkney Islands
Abstract: Detection of climate-induced change in marine ecosystems requires a knowledge of the ... data from Signy Island, which we have cross-calibrated and combined with an earlier series from the ... Antarctic continent with a period of approximately 7-9 years. Analysis of atmospheric and oceanic ... connections with the sea ice variability show that there are signals in both regimes. 1bis environmental ...
Meeting Document : WG-EMM-95/80 : Autor(es): Symon, C., Murphy, E.J., Priddle, J., Clarke, A.
-
At-sea distribution and prey selection of Antarctic petrels and commercial fisheries
Abstract: Commercial fisheries may impact marine ecosystems and affect populations of predators ... krill consumed by Antarctic petrels, and compared this with results from fisheries, as well as from diet ... are to increase in the future, competition with the Antarctic petrel may occur, even with birds ...
Meeting Document : WG-EMM-16/P15 : Autor(es): S. Descamps, A. Tarroux, Y. Cherel, K. Delord, O.R. Godø, A. Kato, B.A. Krafft, S.-H. Lorentsen, Y. Ropert-Coudert, G. Skaret and Ø. Varpe
-
Population structure of the Antarctic toothfish, Dissostichus mawsoni from the Areas 58 and 88 in the Antarctic Ocean based on mitochondrial and microsatellite DNA markers
Antarctic Marine Living Resources (CCAMLR). Although defining genetic or stock structure of populations is ... polymorphism (h =0.109, π =0.0002) with only eight COI haplotypes in 213 individuals, connected only by 1-3 ... mutational steps. Nonetheless, microsatellites showed much higher variation with allelic richness (AR) values ... clarify this, further study with additional polymorphic markers (such as microsatellites) using more ...
Meeting Document : WG-FSA-2019/36 : Autor(es): H.-K. Choi, J.E. Jang, S.Y. Byeon, S. Chung, S.-G. Choi, H. W. Kim and H.J. Lee
-
Density and abundance estimates of baleen whales recorded during the 2019 DY098 cruise in the Scotia Sea around South Georgia and the South Sandwich Islands
of 42.5°W in all water depths surveyed, with fin whales the next most commonly sighted species (53 ... estimated at 20,333 (95% CI 13,988-29,555) with all baleen whales estimated at 27,143 (95% CI 19,998-36,842 ... 7,818-15,178) with all baleen whales estimated at 20,699 (95% CI 16,027-26,732). Fin whale abundance ... consistent with the high recent estimates of abundance and trend from their Brazilian wintering grounds ...
Meeting Document : WG-EMM-2019/27 : Autor(es): M. Baines, M. Reichelt, C. Lacey, S. Pinder, S. Fielding, N. Kelly, E. Murphy, P. Trathan and J.A. Jackson
-
Preliminary assessment of Subarea 48.3 mackerel icefish, Champsocephalus gunnari, based on the January 2013 survey
CCAMLR harvest control rule was then applied to determine catch limits for the 2013/14 and 2014/15 ... 2014/15. Author(s): C. Darby and T. Earl (United Kingdom) Title: Preliminary assessment of Subarea ...
Meeting Document : WG-FSA-13/27 : Autor(es): C. Darby and T. Earl (United Kingdom)
-
HEARD ISLAND AND MCDONALD ISLANDS EXCLUSIVE ECONOMIC ZONE 2009/10 IUU CATCH ESTIMATE FOR PATAGONIAN TOOTHFISH
for Patagonian Toothfish Australia’s Southern Ocean patrol program, combined with its on-the-water ... cooperation with France, continues to prove a significant deterrent to illegal, unreported and unregulated ... observed IUU fishing vessels active in the Convention on the Conservation of Antarctic Marine Living ...
Meeting Document : CCAMLR-XXIX/BG/29 : Autor(es): Delegation of Australia
-
Development of best practices for the collection of longline data to facilitate research and analysis to reduce by-catch: report of a workshop held at the International Fisheries Observer Conference
Abstract: To facilitate research and analysis of factors influencing bycatch of marine mammals ... ” in observer data collections. The workshop was held in conjunction with the International Fisheries ... with observer program staff to understand data collection limitations. • Recommend best practices for ...
Meeting Document : WG-FSA-05/45 : Autor(es): K.S. Dietrich, K.S. Rivera, V. Cornish and T. Conant (USA)
-
Relationships between the distribution of whales and Antarctic krill Euphausia superba at South Georgia
research cruise during January/February 1998. A total of 222 cetaceans of 10 species was recorded with ... depth) that had higher mean krill densities compared with areas where whales were recorded. To compare ... potential interspecies competition among krill-feeding marine predators. Author(s): K. Reid, A.S. Brierley ...
Meeting Document : WG-EMM-99/30 : Autor(es): K. Reid, A.S. Brierley (United Kingdom) and G.A. Nevitt (USA)
-
Trends in entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at South Georgia
. Consequently, the authority responsible for the management of Southern Ocean marine resources (CCAMLR) actively ... campaigned for compliance with the MARPOL provisions relating to waste disposal at sea, and for cutting of ... mainly to improved waste disposal practices because it has coincided with substantial reductions in ...
Meeting Document : SC-CAMLR-XV/BG/03 : Autor(es): Delegation of the United Kingdom
-
Long-term observations from Antarctica demonstrate that mismatched scales of fisheries management and predator–prey interaction lead to erroneous conclusions about precaution
that can help conserve marine predators. Uncertainty about the impacts of fisheries removals on ... environmental conditions. With continued climate warming and high local harvest rates, future observations of ... penguin performance are predicted to be below the long-term average with a probability of 0.77. Catch ...
Meeting Document : WG-EMM-2019/11 : Autor(es): G.M. Watters, J.T. Hinke and C.S. Reiss