Resultados de la búsqueda
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Update of ongoing work on age and growth of Antarctic toothfish (Dissostichus mawsoni) (2013-14 season) from Division 58.4.1 by Spain
Abstract: We present preliminary results on age and growth of Dissostichus mawsoni for the second ... season (2013/14) of the Spanish research fishing in the 58.4.1 Division obtained for growth rings on ... parameters obtained using length-age pair values are: L ∞: 175.7, k: 0.1078 and t 0: 1.528 for females; L ... ∞: 150.3, k: 0.1491 and t 0: 1.809 for males; and L ∞: 169.8, k: 0.1087 and t 0: 1.168 all combined. These ...
Meeting Document : WG-FSA-16/58 : Autor(es): L.J. López-Abellán, M.T.G. Santamaría, R. Sarralde and S. Barreiro
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Continuation of multi-Member research on the Dissostichus mawsoni exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) by Australia, France, Japan, Republic of Korea and Spain
Abstract: Exploratory fishing for toothfish (Dissostichus spp.) in East Antarctica (Divisions ... rules remain to be determined for these Divisions. WG-FSA-16/29 outlines the first multi-member ... toothfish exploratory fishery research plan for East Antarctica, including research objectives, methods and ... was appropriate to achieve its objectives (SC-CAMLR-XXXV, para. 3.244). We present here a proposal for ...
Meeting Document : WG-FSA-17/18 Rev. 1 : Autor(es): Delegations of Australia, France, Japan, Republic of Korea and Spain
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Continuation of multi-Member research on the Dissostichus spp. exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) by Australia (notification ID 98422, 98423), France (94903, 94904), Japan (94886, 94887), Republic of Korea (94889, 94890) and Spain (94835)
Abstract: Exploratory fishing for toothfish (Dissostichus spp.) in East Antarctica (Divisions ... rules remain to be determined for these Divisions. WG-FSA-16/29 outlines the first multi-member ... toothfish exploratory fishery research plan for East Antarctica, including research objectives, methods and ... was appropriate to achieve its objectives (SC-CAMLR-XXXV, para. 3.244). We present here a proposal for ...
Meeting Document : WG-SAM-17/08 : Autor(es): Delegations of Australia, France, Japan, Republic of Korea and Spain
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Preliminary trials to test mitigation measures aimed at reducing Macrourus spp. by-catch on autoliners targeting D. eleginoides with longlines in the CCAMLR Convention Area
. (kg 1000 hooks-1) was lowest with J-type hooks and mackerel bait for both regional trials. Variation ... in catch rates of Macrourus spp due to bait was significant, but not for hook-type. Bait type had ... similar effects on the catch rates of Dissostchus spp. and of all other by-catch species combined. However ... , variation in CPUE for target and non-target species due to geographical location, depth and soak time were ...
Meeting Document : WG-FSA-07/33 : Autor(es): R.E. Mitchell, D.J. Agnew, T. Carruthers, J. Clark, L. Ross (United Kingdom) and J. van Heerden (South Africa)
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RESULTS OF INVESTIGATIONS ON ANTARCTIC TOOTHFISH D. MAWSONI NORMAN, 1937 (PERCIFORMES,NOTOTHENIIDAE) FEEDING IN SUBAREA 48.6 SSRU E DURING THE 2008/09 SEASON
Abstract: For the first time, the investigations on feeding of Antarctic toothfish (Dissostichus ... composition for males and females in the eastern Lazarev Sea showed that dominant food objects for individuals ... stomach for females and males were 1.68% and 2.25%, respectively. The closeness of parameters by both food ... sexes. Author(s): A.F. Petrov and V.A. Tatarnikov (Russia) Title: RESULTS OF INVESTIGATIONS ON ...
Meeting Document : WG-FSA-09/25 : Autor(es): A.F. Petrov and V.A. Tatarnikov (Russia)
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Progress update on Antarctic toothfish inter-connectivity project
Abstract: Here we provide a progress update on the Antarctic toothfish genetic connectivity ... project (WS-DmPH-18/08). A total of 4237 tissue samples have been made available for this project from ... using high throughput sequencing methods (DArTseq™ technology). We also make recommendations for future ... storing capability to allow for better links between individual samples and corresponding data. Author(s ...
Meeting Document : WG-FSA-18/64 : Autor(es): D. Maschette, A. Polanowsk, B. Deagle, D.C. Welsford and P. Ziegler
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Preliminary modelling of potential climate-change impacts on krill and a krill-dependent predator in CCAMLR Subareas 48.1 to 48.3
demonstrated possible climate change impacts on krill habitat and growth. In this preliminary study, we ... assessed the potential consequences of these impacts for both the krill stock and its dependent predators ... potential for projected temperature changes to negatively affect the individual weight and population ... for our expectations about krill resources, and the larger Southern Ocean ecosystem. Further ...
Meeting Document : WG-EMM-16/53 : Autor(es): E.S. Klein, S.L. Hill, G.M. Watters and J.T. Hinke
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Marine ecosystem acoustics (MEA): quantifying processes in the sea at the spatio-temporal scales on which they occur
and strategies is essential. This paper focuses on approaches for observing processes at the time ... caused e.g. by fronts, eddies and ice. This creates a challenging dynamics for scientific sampling and ... -space scales at which they occur, which is essential for some of the management challenges of CCAMLR ... , for example the FBM. Sustainable management of fisheries resources requires quantitative knowledge ...
Meeting Document : WG-EMM-15/P01 : Autor(es): O.R. Godø, N.O. Handegard, H.I. Browman, G.J. Macaulay, S. Kaartvedt, J. Giske, E. Ona, G. Huse and E. Johnsen
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Preliminary results on the composition and abundance of the krill stock in the southern Bellingshausen Sea (Antarctic, CCAMLR Subarea 88.3)
kri11 year-class will be poor. Author(s): Siegel, V. Title: Preliminary results on the composition and ... spatial separation for size groups was observed for krill, with small size groups being more abundant in ... Shetland Island region for the same summer period. The recruitment index for krill indicated a poor ... effects on the krill stock. Spawning was late during the studied season, no larvae were found in the area ...
Meeting Document : WG-EMM-95/18 : Autor(es): Siegel, V.
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INVESTIGATING LENGTH AT MATURITY OF ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) BASED ON SCIENTIFIC OBSERVERS’ DATA
, but are limited to only female fish in the sampled areas for December through February. Based on both ... February showed most fish on the shelf had not spawned that year, most fish in the north had spawned and ... difference in the GSI values of fish at different maturity stages. However these studies were carried out on ... a limited number of fish, most of which were from the southern area, therefore not on obviously ...
Meeting Document : WG-FSA-08/48 : Autor(es): S. Mormede, S. Parker and P. Grimes (New Zealand)