Resultados de la búsqueda

1. Benthos: Trophic modelling of the Ross Sea

   on combined data from CAML-IPY and ROAVERRS, the ratio by weight is 65:30:5 for ... what is living on, or extending from, the sediment surface. Camera resolution can be an impediment to ... individuals, including structure forming “massive” organisms and colonial species. For two groups (porifera ... an estimate of wet weight per m2 for that organism. As yet, the weight relationships of Ross Sea ...

   Document : Site Section: Publications

2. A meta-analysis of by-catch in the Ross Sea toothfish fishery

   ) in the index from two groups of Members flagged vessels, that together contribute 84% of the haul by ... Abstract:  Following the recommendation of WG-FSA in 2014 the Secretariat has undertaken an ...

   Meeting Document : WG-SAM-15/23 : Autor(es): CCAMLR Secretariat

3. Moulting interval and growth of juvenile Antarctic krill fed different concentrations of the diatom Phaenodactylum tricornutum in the laboratory

   0.047 mm day –1, which is too slow to support the hypothesised 2-year life-span of this animal in the ... –5.0 mgC 1 –1. Intermoult period (IP) decreased, but an increment of body length per moult (∆BL) of ... on IP or (∆BL was seen at concentration beyond 1.0 mgC 1 –1. IP plateaued at 23.8 days and (∆BL ... slow to support the hypothesised 2-year life-span of this animal in the field. Growth conditions of ... period (IP) decreased, but an increment of body length per moult (6BL) of juvenile krill increased, up ... to a concentration of 1.0 mgC 1-1 • No further effect of food concentrations on IP or 6BL was seen ... postulada para este animal en la region. Se discuten las condiciones de crecirniento del krill en el ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 223-225 : Autor(es): Ikeda, T. and P.G. Thomas

4. Interannual changes in body fat condition, stomach content mass and distribution of minke whales in Antarctic Areas IV and V

   the six years included in the study, two were categorized as years of poor body fat condition, and ... Abstract:  As an indicator of body fat condition, interannual variability in girth of minke whales ... three as years of good condition. Estimated body weight gain during the feeding season in poor years was ... 25 % lower than in good years. The relationship between girth and stomach content mass in the ice ...

   Meeting Document : WG-EMM-97/18 : Autor(es): Ichii, T., Nishiwaki, S., Tamura, T., Fujise, Y., Matsuoka , K.

5. Analysis of seamount-specific catch and tagging data in the Amundsen Sea, SSRU 88.2H

   liberty for less than 2 years, and that data from the Amundsen Sea slope SSRUs (88.2C–G) are included in ... recapture probability among seamounts was found. Single-season tag recapture rates exceeding 20% on some ... seamounts suggest relatively high local exploitation rates and the potential for localized depletion on some ... estimates when based on adequate sample sizes for this seamount fishery. Author(s):  S.J. Parker (New ...

   Meeting Document : WG-SAM-14/27 : Autor(es): S.J. Parker (New Zealand)

6. Areal and seasonal extent of sea-ice cover off the northwestern side of the Antarctic Peninsula: 1979 to 1996

   Antarctic Peninsula: 1979 to 1996 Abstract / Description:  Analysis of seasonal sea-ice cover of an area ... four periods of extensive ice cover during the last 18 years. Variability in seasonal timing, areal ... extent, seasonal duration and persistence of sea-ice over multiple years is apparent and is consistent ... with features described by Stammerjohn and Smith (1996) for ice cover in the Bellingshausen Sea ... were subsampled for an area of 40 X 50 pixels (1.25 X 10Qm2) centred on the northwestern side of the ... Ocean: an analysis for the west Antarctic Peninsula region. AMS Sixth Conference on Climate Variations ... years is apparent and is consistent with features described by Stammerjohn and Smith (1996) for ice ... use of the same data sources to derive an index of ice cover for a larger area, encompassing the ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 65–73 : Autor(es): Hewitt, R

7. Age and growth of spiny icefish (Chaenodraco wilsoni Regan, 1914) off Joinville–D’Urville Islands (Antarctic Peninsula)

   1–5 years for males and 1–4 years for females of C. wilsoni. Applying the von Bertalanffy (VB ... males. Age-at-sexual maturity was estimated to be about 2 years for females and 2.5 years for males ... selected for the study, consisting of 120 females and 98 males. The age of fish was estimated by counting ... annuli on transverse sections obtained by grinding and polishing whole otoliths embedded in epoxy resin ... ., 2007). As a rule, the net was generally towed at about 3–3.5 knots for 30 min on the bot- tom during ... dominated by a strong peak at 26 cm TL, with two other well-defined modes at 20 and 30 cm TL (Figure 3b ... population (c). 0 5 10 15 20 25 30 35 40 0 1 2 3 4 5 6 Age (years) To ta l l en gt h (c m ) a(a ... 20 25 30 35 40 0 1 2 3 4 5 6 Age (years) To ta l l en gt h (c m ) c(c) Age (years) To ta ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 115–130 : Autor(es): La Mesa, M., A. De Felice, C.D. Jones, K.-H. Kock

8. Diet of the Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (Subarea 88.1)

   licensed participants. Catch levels for an exploratory fi shery are also managed at a precautionary level ... - ing under an exploratory permit in the Ross Sea (Subarea 88.1) during two summer seasons (January ... weddelli) from an ice hole in McMurdo Sound. The seal preyed only on D. maw- soni, the stomachs of which ... comments on an earlier draft of the manuscript. This work was partially funded by the New Zealand ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 113–123 : Autor(es): Fenaughty, J.M., D.W. Stevens and S.M. Hanchet

9. Phytoplankton: Trophic modelling of the Ross Sea

   an annual primary production on the Ross Sea shelf of 142 gC m-2 y-1 but this is for only the high ... environmental factor on phytoplankton growth early in the growing season. As mentioned above, light intensity ... significantly affect the average values for the region. For this reason, we focus here on estimating ... cloud-free days (Comiso et al. 1993). By averaging data for each month over a number of years (1997 ...

   Document : Site Section: Publications

10. The use of patent databases to predict trends in the krill fishery

    / Description:  The fishery for Antarctic krill (Euphausia superba) caught 210 000 tonnes in 2009/10 with ... currently informed by data on annual catches and by CCAMLR’s annual notification procedure. There has been ... information can be used in combination to provide information to the Commission on potential changes in the ... Secretariat so that it can annually update a register of krill-related patents which will be of use for ... Commission on any of the fac- tors that might drive an increase in the fishery for Antarctic krill, so the ... Applicant control over, and protection of, the patented tech- nology for 20 years (IP Australia, 2010 ... ) there was an increasing trend in the later years for non-traditional fishing nations to be involved ... (v) There was an increasing trend in the later years for patents directed at using krill for medical ...

    Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 135–144 : Autor(es): Foster, J., S. Nicol and S. Kawaguchi

Páginas