Resultados de la búsqueda
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Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)
) have been aged assuming that one translucent zone is formed annually in the otoliths of this species ... before recapture. The number of zones between the fluorescent oxytetracycline line and the otolith margin ... indicates that one translucent zone is formed annually in otoliths of post-mature D. mawsoni. Otoliths from ... that the modes represented year classes and that one translucent zone is formed annually in otoliths of ...
Meeting Document : WG-FSA-02/33 : Autor(es): P.L. Horn, C.P. Sutton (New Zealand) and A.L. DeVries (USA)
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THE CONVENTION ON THE CONSERVATION OF ANTARCTIC MARINE LIVING RESOURCES (CCAMLR) AND THE ECOSYSTEM APPROACH As published in the International Journal of Marine and Coastal Law, Vol. 23, No. 3, 2008
Abstract: Lack of adequate governance of the high seas areas has resulted in the continued ... degradation of ocean and marine habitats. Ȁ e ecosystem approach, which comprises integrated, precautionary ... incorporation of an ecosystem approach to the conservation and management of marine living resources, and ... continues to be a leader in its implementation. Ȁ rough its actions at scientific, institutional and ...
Meeting Document : CCAMLR-XXVII/BG/25 : Autor(es): Submitted by ASOC
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A proposal for streamlining the work of the Scientific Committee for the Conservation of Antarctic Marine Living Resources
insufficient time at present in the existing working groups, such as consideration of marine protected areas in ... Abstract: The work of the Scientific Committee is expanding with a duplication of some functions ... a CCAMLR context. It is proposed that the working groups of the Scientific Committee be revised to ... streamline the work and to help reduce the number of groups needing to be attended by our experts. The ...
Meeting Document : WG-EMM-05/35 : Autor(es): A.J. Constable (Australia)
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Investigations of intensity of krill drift near South Georgia Island
Abstract: Calculation of drift’s speed (transport with current) of Antarctic krill along the ... northeastern shore of South Georgia Island (between 54-55S and 34-39W) were carried out. Length of island’s ... shelf for calculation was assumed about 300 km, but average width of shelf (from shore to 500 m isobate ... ) was assumed about 60 km. Speed of drift in these spatial limits was assumed about 10 cm sec-1. The ...
Meeting Document : WG-CEMP-92/32 : Autor(es): V.V. Popkov (Russian Federation)
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Results of the seventh Ross Sea shelf survey to monitor abundance of Antarctic toothfish in the southern Ross Sea, January 2018, and notification for research in 2018/19
Abstract: At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... this paper we provide results of the seventh annual survey in the time series. The objectives of this ... survey included monitoring sub-adult (≤ 110 cm TL) toothfish in the south of SSRUs 881.J and 881.L in the ... larger (large sub-adult and adult) toothfish in two areas (both situated in SSRU 881.M) of importance to ...
Meeting Document : WG-SAM-18/10 : Autor(es): D. Stevens, X. Fu, S. Mormede and S. Parker
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Standing stock, biology, diet and spatial distribution of demersal finfish from the 2003 US AMLR bottom trawl survey of the South Shetland Islands (Subarea 48.1)
bottom trawl surveys of the South Shetland Islands (Subarea 48.1) during the 1998, 2001, and 2003 austral ... demersal finfish species have remained relatively consistent across all surveys. Shelf regions of ... important feeding areas lie to the west and north of Elephant Island and to the north of King George Island ... greater than 200 meters. Estimates of total stock biomass from these surveys were computed for eight ...
Meeting Document : WG-FSA-03/38 : Autor(es): C.D. Jones (USA), K.-H. Kock, (Germany), J. Ashford, A. DeVries, K. Dietrich (USA), S. Hanchet (New Zealand), T. Near, T. Turk (USA) and S. Wilhelms (Germany)
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The incidence of plastic in the diets of Antarctic seabirds
Abstract: We investigated the diets of seabirds at sea in the Antarctic from 1976 to 1988. During ... , we collected or pumped the stomachs of 1,223 seabirds of 23 species. The stomach contents of species ... live prey. Among species that feed a t the surface, most of which eat both live and dead organisms ... , incidence of plastic was highest among the smaller ones and those that are omnivores, or feed on zooplankton ...
Meeting Document : SC-CAMLR-X/BG/18 : Autor(es): Delegation of USA
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Maximum entropy reconstruction of stock distribution and inference of stock density from line-transect acoustic survey data
distribution from acoustic line-transect data. MaxEnt is founded on the bedrock of probability theory and ... allows the most efficient possible use of known data in the inference process. The method takes explicit ... account of spatial correlation in the observed data and seeks to reconstruct a distribution of density ... maximized. The method is iterative and uses the Bayesian approach of evaluating the posterior probability of ...
Meeting Document : WG-EMM-02/35 : Autor(es): A.S. Brierley, S.F. Gull and M.H. Wafy (United Kingdom)
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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)
fish diversity and abundance. Larvae of twenty two species, representing nine families, were identified ... significantly correlated with local SST or primary productivity. Estimates of larval growth are provided for 5 ... , representing a protracted spawning season, were observed to grow at different rates and this may be related to ... ): M. Belchier and J. Lawson (United Kingdom) Title: An analysis of temporal variability in abundance ...
Meeting Document : WG-FSA-12/33 : Autor(es): M. Belchier and J. Lawson (United Kingdom)
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Progress report on the joint research for Dissostichus spp. in Subarea 88.3 by the Republic of Korea and New Zealand and notification of research in 2018/19
salinity were measured at 6 locations during the survey in Subarea 88.3. Notification of research for the ... –883_5. Due to extreme ice conditions covering the southern part of 88.3, the Janas (NZL) was not able to ... conduct its part of the survey. The total catch of D. mawsoni was 38,856 kg comprised of 1,380 individuals ... in blocks 883_3 and 883_4 showed similar values of 0.1369 and 0.1466 kg/hook, research block 883_5 ...
Meeting Document : WG-SAM-18/05 : Autor(es): Delegations of the Republic of Korea and New Zealand