Search results
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Krill – biology, ecology and fishing
, the biomass has been suggested to fall within the range of 60 to 420 million tonnes, with current best ... habitat range. Historically, the main krill habitat was thought to be within the top 200 m of the water ... between and within years. On average, the biomass has been suggested to fall within the range of 60 to 420 ... to be within the top 200 m of the water column, but there is increasing evidence of krill occurring regularly ...
Page : Site Section: Fisheries
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Fishery Report: Champsocephalus gunnari Heard Island (Division 58.5.2)
(number of vessels) Catch limit (tonnes) Reported catch (tonnes) 1971/72 - - 5 860 1973/74 ... th (c m ) 10 20 30 40 50 1996/971997/981998/991999/002000/012001/022002/032003/042004/052005 ... = 20 April 2011. Stratum Estimate SE Lower CI Upper CI One-sided lower 95% CI Gunnari Ridge 169.3 ... 82 4.3 Sensitivity analyses 20. No specific sensitivity analyses were undertaken at the meeting ...
Document : Site Section: Publications
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THE DIET OF THE ANTARCTIC TOOTHFISH IN THE ROSS SEA
; the corresponding figures for mysids are 60% and 11%. Channichthyids (icefishes) are the second most abundant prey ... . In the deep oceanic waters (60-70°S) north of the shelf break the diversity of pelagic and epipelagic fishes ... for mysids are 60% and 11%. Channichthyids (icefishes) are the second most abundant prey fish. Farther north ... (60-70°S) north of the shelf break the diversity of pelagic and epipelagic fishes is low. Here ...
Meeting Document : WG-EMM-09/16 : Author(s): J.T. Eastman and A.L. DeVries (USA)
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Zooplankton: Trophic modelling of the Ross Sea
macrozooplankton over the course of a year in the Ross Sea is: 5% other macrozooplankton; 35% mesozooplankton; 20 ... euphausiids (>20 mm) Mesozooplankton (0.2–20 mm) Heterotrophic microplankton (20–200 µm ... ) Heterotrophic flagellates (2–20 µm) 2 Euphausia crystallorophias 2.1 Distribution and development ... ) and 2 (high). This hence gives possible uncertainties on our estimate from factors of 0.20 to 4.8. 2.3 ...
Document : Site Section: Publications
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Physical data used in space averaging: Trophic modelling of the Ross Sea
2 Shelf 200–400 73 364 11.5 3 Shelf 400–600 241 796 38.0 4 Shelf >600 98 461 15.5 5 Slope 600–1200 35 ... with time. We assume that the variability in these timings is 20 days, and that the uncertainty in ice ... . The mean annual ice thickness from this model is 1.00 m with a range of 0.68–1.35 m. Ship observations ... of two techniques. Remote Sensing of the Environment 60: 357-384. Davey, F.J. 2004. Ross Sea ...
Document : Site Section: Publications
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WG-EMM-10
/20 Monitoring krill larvae at the Weddell-Scotia confluence E. Marschoff, N.S. Alescio, D. Gallotti ... system of marine protected areas in eastern Antarctica, south of 60°S A.J. Constable, B. Raymond ...
Meeting
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Japanese
Description / Abstract: 開発漁業– 南緯60°以南 ... 開発漁業– 南緯60°以南 ... Exploratory Fisheries – South of 60°S 開発漁業– 南緯60 ...
Document : Site Section: Publications
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Korean
Description / Abstract: 시험 조업 – 60°S 남단 ... 시험 조업 – 60°S 남단 ... Exploratory Fisheries – South of 60°S 시험 조업 – 60 ...
Document : Site Section: Publications
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Fishery Report 2015: Dissostichus eleginoides Crozet Island French EEZ (Subarea 58.6)
the 12 n miles and no shallower than 500 m. A size limit has been set at 60 cm total length and every ... for all seasons at approximately 60–80 cm. These length-frequency distributions are unweighted (i.e ... 4 12 5 6 3 30 2012 693 1 24 20 4 49 2013 852 8 18 10 36 2014 839 4 12 16 2015 ... ). 20. WG-FSA-15/69 presented an updated stock assessment of D. eleginoides at Crozet Islands (Subarea ...
Document : Site Section: Publications
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Indonesian
Description / Abstract: PERIKANAN EXPLORASI – LEBIH SELATAN DARI 60°S ... PERIKANAN EXPLORASI – LEBIH SELATAN DARI 60°S ... Exploratory Fisheries – South of 60°S PERIKANAN ... EXPLORASI – LEBIH SELATAN DARI 60°S SILAHKAN MENGEMBALIKAN SEMUA TANDA DAN MENCATAT NOMOR TANDA SECARA ...
Document : Site Section: Publications