Resultados de la búsqueda
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Results of the first winter longline survey to the northern Ross Sea region to investigate toothfish reproductive life history
of neutral buoyancy. We recommend that a survey be carried out from mid-July through August to ... the 4 strata, and 55.2 t of Antarctic toothfish and 3.4 t of Patagonian toothfish were caught ... northwest of stratum 1. Gonad staging and gonadosomatic indices suggest that males in spawning condition may ... aggregate earlier than females and that spawning begins in early July. There were a higher proportion of ...
Meeting Document : WG-FSA-16/37 : Autor(es): D. Stevens, D. Di Blasi and S. Parker
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Comparison of age readings from scales and otoliths of the Patagonian toothfish (Dissostichus eleginoides) from South Georgia
L oo = 207.01 cm, K = +0.0748 and t o =-0.2898. The maximum age of D. eleginoides was found to be ... test for paired data (Ts = 0.256, n = 59) conducted on the remaining 56% showed that differences in age ... effective with regard to time and cost. Values of fish growth parameters using the generalised von ... Bertalanffy equation estimated from 1 000 data records are: L t = 207.01 cm [1- e- 0.0748{t + 0.2898}]; where ... to the fact that false rings around the nucleus mix together with the first ring. Regression ... ). It was noted that this refinement could be achieved by comparing age readings from scales and ... considered that g(t,0) = L, . (1 - e-K(t-TOJ) and h (t,0) = 0, then equation 3 takes the form In equation ... can be seen that the results are very close to the other three existing growth equations for D ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 191–203 : Autor(es): Cassia, M.C
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Infectious diseases of Antarctic penguins: current status and future threats
occurred. The majority of these events have occurred since the year 2000 in regions that will likely be ... tourists in the future. Three main areas are likely to be impacted by this increase in use and by ... Antarctica. From previous reports we know that penguin species are highly susceptible to a number of ... System, means that our understanding is still patchy. A feather loss condition of unknown etiology ...
Meeting Document : WG-EMM-14/53 : Autor(es): W.W. Grimaldi, P.J. Seddon, P.O.B. Lyver, S. Nakagawa and D.M. Tompkins (New Zealand)
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e-sc-xix-a5.pdf
... Subarea 48.3 should be identified to the level of species. It is expected that with 100% observer ... that could be stored in the CCAMLR database and placed limitations on their interpretation. The ... submitted during August to October, and had been entered by the start of the meeting. These data would be ... need to be subtracted from the weight of whole fish that have been discarded and that have been
application/pdf attached to:WG-FSA-00Meeting Report : WG-FSA-00
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e-sc-xxvi-a9.pdf
... appropriate scales should be data- driven, but that often this will need to be supplemented with expert advice ... consistent with the 2006 Hobart Workshop, and that they could be used as a basis for an initial benthic ... appropriate scales should be data-driven, but that often this will need to be supplemented with expert advice ... Committee’s agreement in 2006 (SC-CAMLR-XXV, paragraph 3.33) that the following components of work should be
application/pdf attached to:WS-BSO-07Meeting Report : WS-BSO-07
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CCAMLR-XXI
Dissostichus spp. Delegation of Australia CCAMLR-XXI/11CCAMLR-XXI/12Addendum To be read in conjunction with ... Rapport de la dix-septième réunion annuelle de l'ICCAT (Murcia, Espagne, novembre 2001) Observateur ... Information in relation to new and exploratory fisheries This document should be read in conjunction with ... IUU fishing for toothfish in that portion of Australia’s EEZ within Division 58.5.2 – 1 July 2001 to ...
Meeting
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Fishery Report: Dissostichus eleginoides Kerguelen Islands (Division 58.5.1)
and effort data and other data that could be used to progress understanding of fish stocks and ... measures 18. The Working Group recommended that, where possible, areas with high by-catch rates should ... streamers will be tested to ensure that an aerial coverage of 100 m is attained by all vessels. The ... . 1 Although the fishing season defined by France in its EEZ extends from 1 September to 31 August of ...
Document : Site Section: Publications
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Cruise Report – Research Project: Demersal finfish distribution, abundance, and their biological characteristics in Statistical Subareas 48.1 (northern area) and 48.2
presented here should be taken as indicative. Indicative estimates of standing stock biomass suggest that N ... coordinates as those on previous R/V ' Polarstern ' surveys around Elephant Island (Kock & Jones ... the R/V ' Yuzhmorgeologiya ' (Jones & Kock, 2009). The cruise took place 6-27 January ... carried out with this bottom trawl, 15 around Elephant Island and 21 around the South Orkney Islands ...
Meeting Document : WG-SAM-18/25 : Autor(es): Delegation of Chile
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e-sc-iv-a4.pdf
... these values with those from other sources. It hoped therefore that more detailed reports would be ... through the meshes, and reducing the SF below the value that might otherwise be expected. 43. With this ... mortality rates, it was clearly very important that they should be resolved. This would require direct ... instance, this might be done by exchange of material, but it is likely that a small workshop-type meeting
application/pdf attached to:WG-FSA-85Meeting Report : WG-FSA-85
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Lista de las medidas de conservacion vigentes en la temporada 1993/94
perpendicular to the plane of the net. 3. The gauge shall be inserted into the mesh opening either with a ... measured perpendicular to the lacings, ropes or codline with the net stretched in the direction of that ... fixed at that mesh. 3. By way of derogation from paragraph 1, the meshes to be measured need not be ... size of the net shall then be determined in accordance with Article 5. If the calculation of the ...
Document : Site Section: Publications