Search results
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Reproduction in Antarctic notothenioid fish - a review
–20% of that of females. Length at first spawning may be from 55% of Lmax onwards, but in many species ... decreasing relative fecundity towards higher latitudes. Incubation time may be up to five months. Eggs of ... observed in three species but may be more common in particular among the artedidraconids. A number of ...
Meeting Document : SC-CAMLR-X/BG/12 : Author(s): Delegation of Germany
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Hydroacoustic surveys of the distribution and abundance of krill: Prydz Bay region – FIBEX, ADBEX II and SIBEX II
), 1983-84 (ADBEX II) and 1984-85 (SIBEX II) cruises respectively. It could not be concluded, however ... changes in abundance can be detected can be improved by underway identification of target species, better ...
Meeting Document : SC-CAMLR-VII/BG/40 : Author(s): Delegation of Australia
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Report on bottom fisheries and vulnerable marine ecosystems: draft template and workplan
future work and identify the key methods, parameters or field strategies that need to be undertaken ... . Discussions to date would suggest that the report be routinely update each year in WG-FSA but with input from ... arise from WG-FSA. It is envisaged that, following comments by WG-EMM, a draft report will be generated ...
Meeting Document : WG-EMM-10/15 : Author(s): WG-FSA Subgroup on VMEs
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Larval development and spawning ecology of euphausiids in the Ross Sea and its adjacent waters in 2004/05
no juveniles occurred concurrently. Thus the slope does not appear to be a nursery ground for this ... surface layers from furcilia I onward. The onset of recruitment to calyptopis I appeared to be earlier in ... coastal polynya. Generally, the onset of spawning of euphausiids appeared to be related to the latitudinal ...
Meeting Document : WG-EMM-10/P06 : Author(s): K. Taki, T. Yabuki, Y. Noiri, T. Hayashi and M. Naganobu
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Using outputs from spatial population models of Antarctic toothfish in the Ross Sea region to investigate potential biases in the single population model
be present in areas outside the area historically accessed by the fishery suggested the standard ... stock assessment may be biased low. While we note that these results are preliminary and further ... analyses should be carried out, we consider that simulation experiments using spatially explicit models can ...
Meeting Document : WG-FSA-12/45 : Author(s): S. Mormede and A. Dunn (New Zealand)
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Research plan for toothfish in Divisions 58.4.4a and b by Shinsei Maru No. 3 in 2011/12
survey design as in the 2010/11. A total of 71 research hauls will be allocated in the same locations on ... , tagging rate of 5 fish / ton will be conducted. The comparison test with the experimental gear, which ... consists of three segments of Trot line system and Spanish line system respectively, will be conducted at ...
Meeting Document : WG-SAM-11/07 : Author(s): Delegation of Japan
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A krill–predator–fishery model for evaluating candidate management procedures
well as fishery performance. This evaluation must be conducted in the context of considerable ... uncertainty, and structural uncertainty can be assessed by comparing and merging results from multiple such ... simulations. We present a range of performance measures that can be used to evaluate catch-allocation ...
Meeting Document : WG-EMM-05/13 : Author(s): G.M. Watters, J.T. Hinke (USA), K. Reid and S. Hill (United Kingdom)
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Developing integrated assessments for Dissostichus eleginoides based on the CCAMLR precautionary approach
in assessments of Dissostichus stocks when a number of different datasets are being integrated for estimating ... of Dissostichus stocks when a number of different datasets are being integrated for estimating current biomass ...
Meeting Document : WG-FSA-SAM-05/16 : Author(s): I. Ball and A.J. Constable (Australia)
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The Generalised Yield Model version 5: structure, specifications and examples for validation
parameters into the model. It also details how different parts of the model can be manipulated to explore ... alternative functions. Finally, some examples are presented to show how the GYM can be validated by the user ... Yield Model (GYM), Version 5.01b can be downloaded from the Australian Antarctic Division Website ...
Meeting Document : WG-FSA-SAM 03/14 : Author(s): A. Constable (Australia)
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Population dynamics of wandering albatrosses Diomedea exulans at sub-Antarctic Marion Island: longline fishing and environmental influences
1990s may be linked to large amounts of supplementary food being made available by the initiation ... 1990s may be linked to large amounts of supplementary food being made available by the initiation ...
Meeting Document : WG-FSA-02/16 : Author(s): D.C. Nel, P.G. Ryan and J. Cooper (South Africa)