Resultados de la búsqueda
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Review of CCAMLR activities on monitoring marine debris in the Convention Area
at King George Island for the fourth consecutive year. There are now 4 sites that have data for more ... Abstract: The current status of national surveys on monitoring of marine debris and their impact ... on marine mammals and seabirds in the Convention Area has been reviewed. The CCAMLR Marine Debris ... Database contains data from 11 sites, all within Area 48. Uruguay submitted data on beached marine debris ...
Meeting Document : SC-CAMLR-XXIII/BG/11 : Autor(es): Secretariat
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Review of CCAMLR activities on monitoring marine debris in the Convention Area
Abstract: The current status of national surveys on monitoring of marine debris and their impact ... on marine mammals and seabirds in the Convention Area has been reviewed. The CCAMLR Marine Debris ... Database contains data from 12 sites, most within Area 48. There are 4 sites that have data for more than 3 ... debris, principally packaging items, fishing gear, and wood items, reached a peak in the period 1994-1996 ...
Meeting Document : SC-CAMLR-XXV/BG/09 : Autor(es): Secretariat
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A preliminary assessment of age and growth of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica
antarcticum) in the Ross Sea, Antarctica Abstract / Description: Antarctic silverfish (Pleuragramma ... antarcticum) were sampled during a trawl survey in the Ross Sea, Antarctica. Biological data, including fish ... otoliths were used to estimate ages and von Bertalanffy growth parameters. The species is relatively slow ... -growing with a moderate longevity; the maximum estimated age was 14.3 years. Von Bertalanffy parameters ... . These estimates are preliminary for two main reasons. First, no attempt has been made to validate the ... juvenile Antarctic silverfish off Terra Nova Bay (Ross Sea) during the summer of 1987/88. They also ... ) studied fish from the Cosmonaut Sea, Mawson Sea and Prydz Bay and calculated higher L∞ values and ... Hubold and Tomo (1989) and Gerasimchuk (1992), no length records could be found in the literature for ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 75–86 : Autor(es): Sutton, C.P. and P.L. Horn
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Predation on fish by the southern elephant seal, Mirounga leonina, at King George Island, South Shetland Islands, as reflected by stomach lavage
. Based on the great distances travelled by seals from their foraging grounds to their hauling sites and ... Abstract: Between november and february of the years 1993/94, 1995/96, 1996/97, 1997/98, 1998/99 ... , were stomach lavaged at King George Island in order to analyse their diet. The two major prey types ... remains. The aim of the present paper was to report data on fish prey obtained from seal stomachs ...
Meeting Document : WG-EMM-01/58 : Autor(es): G.A. Daneri and A.R. Carlini (Argentina)
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Potential climate change effects on the habitat of Antarctic krill
sites on South Georgia could be up to 55%, and the habitat’s ability to support Antarctic krill biomass ... resource and a major prey item for many fish, birds and mammals in the Southern Ocean. The fishery and the ... summer foraging sites of many of these predators are concentrated between 0° and 90°W. Parts of this ... projections suggest that further widespread warming of 0.27° to 1.08°C will occur by the late 21st century. We ...
Meeting Document : WG-EMM-13/20 : Autor(es): S.L. Hill, T. Phillips and A. Atkinson (United Kingdom)
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Characteristics of krill aggregations in the South Sandwich Islands subarea in January–February 2000
Paper Title: Characteristics of krill aggregations in the South Sandwich Islands subarea in ... January–February 2000 Abstract / Description: During the survey of Subarea 48.4 from 17 January to 1 ... characteristics of some 2 400 krill swarms detected in the study area were sized acoustically and are described in ... this paper. Results of comparisons of swarm parameters by area and season are given. The effect of ... not exceed 0.02 g m-3. Krill swarms were recorded in the upper 80 m depth layer. Sites with ... . Swarms remained in the upper pycnocline layer and/or above it, moving no deeper than the layer of cold ... . 9 (2002): 145–164 145 CHARACTERISTICS OF KRILL AGGREGATIONS IN THE SOUTH SANDWICH ISLANDS ... the survey of Subarea 48.4 from 17 January to 1 February 2000 it was observed that krill was present ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 145–164 : Autor(es): Kasatkina, S.M., A.P. Malyshko, V.N. Shnar and O.A. Berezhinsky
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An analysis of temporal variability in abundance, diversity and growth rates in the coastal ichthyoplankton assemblage of South Georgia (sub-Antarctic)
Abstract: Data from a seven-year (2002-2008) ichthyoplankton sampling programme in Cumberland Bay ... interannual differences in the larval fish assemblage were revealed by multivariate analyses (nMDS, ANOSIM ... , SIMPER). Multiple regression analyses indicated that larval abundance within Cumberland Bay was not ... there has been little change in growth rate for the main species over the last three decades. Author(s ...
Meeting Document : WG-FSA-12/33 : Autor(es): M. Belchier and J. Lawson (United Kingdom)
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Identification of Pleuragramma antarctica larvae in the Ross Sea via mitochondrial DNA
possibility of another nursery ground for P. antarctica in the vicinity of the Bay of Whales. This is a novel ... Abstract: Research into the early life stages of Pleuragramma antarctica is essential to ... understanding how oceanographic variation will impact spatial distributions over time. The recent findings of ... nursery grounds in Terra Nova Bay have led to added inquiry into larval distribution and life history ...
Meeting Document : WG-FSA-15/61 : Autor(es): J.A. Caccavo (Italy), C. Brooks (USA), L. Zane (Italy) and J.R. Ashford (USA)
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Quantification of Southern Ocean phytoplankton biomass and primary productivity via satellite observations and biogeochemical models (submitted to the 2008 Joint CCAMLR-IWC Workshop)
satellite observations and biogeochemical models (submitted to the 2008 Joint CCAMLR-IWC Workshop) Abstract ... / Description: This paper reviews Southern Ocean primary productivity within the framework of satellite remote ... sensing and the development of food-web models. The satellite ocean colour (chlorophyll) data record is ... described, from the Coastal Zone Colour Scanner (CZCS) in the late 1970s through to the Ocean Colour and ... were the areas of highest productiv- ity, and no sustained blooms occurred in waters deeper than 1 000 ... from a bloom trailing east off the north- ern tip of the Antarctic Peninsula. The Prydz Bay Table 2 ... , trailing off the peninsula, starts to contract. The Prydz Bay bloom is larger and more intense. Other ... Prydz Bay and other coastal blooms are in decline. The South Georgia bloom is smaller, as is the ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 247–265 : Autor(es): P.G. Strutton, N.S. Lovenduski, M. Mongin and R. Matear
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Patagonian toothfish in international waters of the Southwest Indian Ocean (Statistical Area 51)
Paper Title: Patagonian toothfish in international waters of the Southwest Indian Ocean ... and Marion Islands and the Crozet Islands, outside EEZs and CCAMLR waters. A total of 57 hauls was ... from 53 to 1 158 kg. The northward distribution of D. eleginoides is closely related to the extension ... of the Sub-Antarctic Front, and especially the intermediate layer of sub-Antarctic water masses ... and discussion Catches No zero catches were taken during the fi shing experiment, D. eleginoides ... Deepwater Ridges of the Southern Indian Ocean. FAO Fisheries Circular, No. 991, Rome, FAO: 84 pp. Duhamel ... (2005): 207–214 207 PATAGONIAN TOOTHFISH IN INTERNATIONAL WATERS OF THE SOUTHWEST INDIAN OCEAN ... Ctra. San Andrés nº 45 Santa Cruz de Tenerife, España Email – luis.lopez@ca.ieo.es Abstract ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 207–214 : Autor(es): López Abellán, L.J