Resultados de la búsqueda
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Variations in food composition and feeding intensity of mackerel icefish (Champsocephalus gunnari) at South Georgia
) around Shag Rocks and the mainland of South Georgia was investigated in January/February 1985, January ... superba), the hyperiid Themisto gaudichaudii, mysids and in 1985 also Thysanoessa species. The proportion ... of krill and Themisto in the diet items varied considerably between the three seasons, whereas the ... proportion of mysids in the diet remained fairly constant. krill is obviously the prefered diet. In years of ...
Meeting Document : WG-FSA-92/26 : Autor(es): K.-H. Kock (Germany), I. Everson (United Kingdom), S. Wilhelms (Germany), S. Campbell (United Kingdom), J. Szlakowski (Poland), G. Parkes (United Kingdom), Z. Cielniaszek (Poland) and C. Goss (United Kingdom)
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Reproduction in Antarctic notothenioid fish - a review
Abstract: Abstract: Gonad maturation in Antarctic notothenioid fish is a biennial process ... gunnari in the Atlantic Ocean sector do not spawn each year. Gonadosomatic index (GSI) of females is 15–40 ... –20% of that of females. Length at first spawning may be from 55% of Lmax onwards, but in many species ... Zone are autumn/winter spawners, whereas in the High-Antarctic Zone more species spawn in summer and ...
Meeting Document : SC-CAMLR-X/BG/12 : Autor(es): Delegation of Germany
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Observations of penguins in the waters off South Orkney Islands, 2011–2013
Abstract: In this study, we introduce the initial results from three seasons (2011-2013) of ... penguin observations made in the waters off the South Orkney Islands. The surveys followed pre-determined ... penguins were observed and Chinstrap penguins (Pygoscelis antarctica) dominated in numbers during all three ... seasons, with Adélie (P. adeliae) and Gentoo penguins (P. papua) only present in modest numbers. The ...
Meeting Document : WG-EMM-13/35 : Autor(es): B.A. Krafft, G. Skaret (Norway) and P. Trathan (United Kingdom)
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Progress towards an assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 882C–H for the years 2002/03 to 2017/18 using a two-area model
Antarctic toothfish (Dissostichus mawsoni) in the Amundsen Sea region, defined here as SSRUs 88.2C–H. The ... were first developed for the region in 2014 and refined in 2015 and 2016. Results showed the need to ... collect mark-recapture data in the South to inform the estimation of biomass in the South. Simulation work ... undertaken in 2017 showed that if tag recaptures continued in the south, and were spread among research ...
Meeting Document : WG-FSA-18/37 : Autor(es): S. Mormede and S. Parker
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BIOLOGICAL PROSPECTING IN THE SOUTHERN OCEAN, A ROLE FOR CCAMLR
established to examine the issue of Biological Prospecting in the Antarctic Treaty Area. Although increasingly ... used in International legal and policy frameworks addressing genetic resources, the term bioprospecting ... is not defined in any international convention or agreement. Indeed, there remains a range of views ... in the literature and in policy circles as to what bioprospecting involves. Definitions differ ...
Meeting Document : CCAMLR-XXVII/BG/36 : Autor(es): Submitted by IUCN
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COMPARISON OF THE BIOMASS OF ANTARCTIC KRILL, (EUPHAUSIA SUPERBA), AROUND THE SOUTH SHETLAND AND SOUTH ORKNEY ISLANDS IN THREE YEARS: 1999, 2000 AND 2008
Abstract: Using a combination of techniques, we examine data from three cruises in 1999, 2000 and ... distributions of krill between Elephant Island and the South Orkney Islands were similar. The similarity in ... may be useful in deriving biomass estimates for the South Orkney Islands in 1999. We use a simple ... , and report on the biomass from a survey conducted in 2008. Biomass estimates in 2008 are calculated ...
Meeting Document : WG-EMM-08/26 : Autor(es): C. Reiss and A. Cossio (USA)
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Elaborating a representative system of marine protected areas in eastern Antarctica, south of 60°S
Comprehensiveness, Adequacy and Representativeness (CAR) in the long term, (ii) accounts for the state of knowledge ... , and (iii) can be modified as the state of knowledge improves. In addition, the utility of the RSMPA ... will be increased if it (iv) can act as a source for maintaining biodiversity in areas outside of the ... resilience in the face of climate change, which is a natural extension of the requirement for adequacy ...
Meeting Document : WG-EMM-10/26 : Autor(es): A.J. Constable, B. Raymond, S. Doust, D. Welsford and K. Martin-Smith (Australia)
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Results of Phase I and II of the research program for toothfish fishery in Subarea 88.3 during the 2010/11–2011/12 seasons (this is a revision of WG-SAM-12/05)
Abstract: In 2011 and 2012 in Subarea 88.3 research fishing for toothfish has been conducted by ... Russia. In 2011 fishing was carried out by Russian longliner “Sparta” out and in 2012 it was longliner ... 2336 m. Total number of set hooks amounted 171096. In 2011 research fishing covered SSRU B, C and D ... , and in 2012 ice conditions were much worse and longlines were set only in SSRU C. Collected in ...
Meeting Document : WG-FSA-12/13 : Autor(es): A.F. Petrov, V.A. Tatarnikov, K.V. Shust and I.I. Gordeev (Russia)
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A meta-analysis of by-catch in the Ross Sea toothfish fishery
Abstract: Following the recommendation of WG-FSA in 2014 the Secretariat has undertaken an ... analysis of by-catch in CCAMLR longline fisheries. The numerical target catch ratio (the number of target ... vessels. This analysis indicated that, as expected, differences in this index arose due to gear and ... location of fishing. However, there was also evidence of distinct differences in the mean (and distribution ...
Meeting Document : WG-SAM-15/23 : Autor(es): CCAMLR Secretariat
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Distribution and possible areas of spatial mixing of two stocks of humpback whales, a krill predator, in the Indo-Pacific region of the Antarctic revealed by genetic analyses
of two stocks of the humpback whale, a krill predator, in the Indo-Pacific region of the Antarctic ... stocks have shown sign of recovery after heavy commercial exploitation in the last century. Information ... on distribution and areas of mixing in the Antarctic feeding grounds is essential to assist the ... whales in the Antarctic feeding grounds for Areas IIIE (35°-70°E, n= 95), IVW (70°-100°E, n= 140), IVE ...
Meeting Document : WG-EMM-2019/67 : Autor(es): L.A. Pastene, M. Goto, M. Taguchi and K. Matsuoka