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Bacteria and detritus: Trophic modelling of the Ross Sea
feed largely on bacteria (Moodley et al. 2002; Josefson et al. 2002). There is evidence, though, that ... detritus in sediments (Kemp 1990; Fabiano et al. 2000b). Here, we assume that a nominal 25% of detrivorous ... given in a number of papers by Ducklow (Ducklow 1999; Ducklow et al. 2000, 2001; Monticelli et al. 2003 ... . Measurements from Ducklow et al. (2001) give an effective depth of bacteria (the ratio of water column ...
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Precautionary spatial protection to facilitate the scientific study of habitats and communities under ice shelves in the context of recent, rapid, regional climate change
one of the recommendations made by the Antarctic Treaty Meeting of Experts in 2010. File: Trathan et ... Antarctic Peninsula region (Solomon et al., 2007). Details of the underlying drivers of climate change are ... ocean temperature (Gille, 2002) and ocean acidification (Bednaršek et al., 2012), reductions in the ... extent and timing of seasonal sea-ice (Stammerjohn et al., 2008) and the retreat and collapse of ice ... shelves, glaciers and ice tongues (Cook and Vaughan, 2010; Cook et al., 2005; Gutt et al., 2010, 2013 ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 139–151 : Autor(es): Trathan, P.N., S.M. Grant, V. Siegel and K.-H. Kock
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Significant conservation benefits obtained from the use of a new fishing gear in the Chilean Patagonian toothfish fishery
region. File: 04moreno-et-al.pdf ... влияния нападений кашалотов и касаток на коэффициент вылова рыбы mailto:cmoreno@uach.cl Moreno et al ... ; Hucke- Gaete et al., 2004; Purves et al., 2004; Donaghue et al., 2003; Kock et al., 2006), with ... Gulf of Alaska (Mitchell et al., 2002), where interactions ranged from entanglement to depredation of ... opera- tions. In the Patagonian toothfish (Dissostichus eleginoides) fishery Ashford et al. (1996) and ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 79–91 : Autor(es): Moreno, C.A., R. Castro, L.J. Mújica and P. Reyes
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Sea Ice Biota: Trophic modelling of the Ross Sea
sea birds and mammals (Ackley et al. 2003), while at the same time, the ice itself, especially the ... of P. borchgrevinki were copepods and their nauplii (Hoshiai et al. 1987a). Also sea ice appears to ... birds (Kaufmann et al. 1995). Krill are also known to be attracted to the concentrations of food ... development of a microalgal bloom of cells >20 um (Giesenhagen et al. 1999). Primary and bacterial production ...
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Distribution, morphology and ecology of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) in the Ross Sea region
or both of these species being a main prey of Antarctic toothfish. File: Pinkerton et al.pdf ... of 10 tonnes reported in 1998 which increased to 480 tonnes in 2005 (Hanchet et al., 2008a ... ). Grenadiers are also a major prey species of Antarctic toothfish in the region (Fenaughty et al., 2003 ... ; Stevens et al., 2012). Eco- system modelling of the Ross Sea region suggests that toothfish are the main ... -induced trophic cascades (Pinkerton et al., 2010). Grenadier caught as by-catch and found in stom- achs ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 37–61 : Autor(es): Pinkerton, M.H., P. McMillan, J. Forman, P. Marriott, P. Horn, S. Bury and J. Brown
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Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longlines
when assessing fish stocks, fishery economics and/or conservation of odontocetes. File: Gasco et ... odontocetes. Gasco et al. 2 Introduction Depredation is a human–wildlife interaction over resources ... assessed in terrestrial cases (e.g. O’Connell-Rodwell et al., 2000; Breck and Meier, 2004), they are ... (Ramos- Cartelle and Mejuto, 2008). In the context of declining world fisheries (Pauly et al., 2005 ... quotas (Roche et al., 2007). Like in most other fisheries, fish stocks tar- geted by longlining (and ...
Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 1–14 : Autor(es): Gasco, N., P. Tixier, G. Duhamel and C. Guinet
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Status of krill target strength
lengths, acoustic frequencies and orientation parameters. File: 07-Foote-et-al.pdf ... scatterers (Stanton et al., 1987), 0" - Sv = p- = pO" 4n bs' (8) where the usual convention of not ... dB for a euphausiid of mean length 45 mm and mean mass of 0.6 g. Nakayama et al., (1986) measured ... . Shimadzu et al., (1989) measured E. superba in situ in the Scotia Sea north of Livingston Island, South ... krilllength was 47.5 mm, and the average mass was 0.873 g. Foote et al. (1990) measured E. superba in a ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 101–126 : Autor(es): Foote, K.G., D. Chu and T.K. Stanton
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Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?
and regional scales. File: Hill et al.pdf ... % level considered appropriate to maintain the krill stock and support krill predators. Hill et al ... assessment therefore needs a practical definition of ‘precautionary’. Hewitt et al. (2002) explain Subarea ... are precautionary by the logic of Hewitt et al. (2002). The section headed ‘Is current management ... more than 10%. Constable et al. (2000) and Miller and Agnew (2000) provide full details of these ...
Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 31–51 : Autor(es): Hill, S.L., A. Atkinson, C. Darby, S. Fielding, B.A. Krafft, O.R. Godø, G. Skaret, P.N. Trathan and J.L. Watkins
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Benthos: Trophic modelling of the Ross Sea
; Littlepage & Pearse 1967; Bullivant & Dearborn 1967; Bullivant 1967a, b; Dayton & Oliver 1977; Lipps et al ... . 1979; Battershill 1989; review by Starmans et al. 1999; Gambi & Bussotti 1999; Barry et al. 2003; Rehm ... et al. 2006), large-scale estimates of benthic biomass in the Ross Sea is limited. Sampling methods ... below (e.g., Arntz et al. 1997). There are distinct differences between various benthic subsystems ...
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Fishes: Trophic modelling of the Ross Sea
. antarcticum adults (La Mesa et al. 2004b), and a continental slope fauna dominated by macrourids, rajiids ... sporadic (e.g., Iwami & Abe 1981; Eastman & Hubold 1999; Mitchell & Clark 2004; Donnelly et al. 2004 ... ). Sampling has mainly been focused on the collection of specimens (Eastman & Hubold 1999; Donnelly et al ... 2004 (Mitchell & Clark 2004) and “CAML-IPY” 2008 (Hanchet et al. 2008 b) have considerably improved ...
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