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Fishery Report: Champsocephalus gunnari Heard Island (Division 58.5.2)
...................................................................... 3 Population structure ................................................................ 4 ... Proportion of biomass-at-age ...................................................... 7 4. Stock ... Reported effort (number of vessels) Catch limit (tonnes) Reported catch (tonnes) 1971/72 - - 5 860 ... ). The plots include data from both the commercial fishery and research trawl surveys. 4. With respect ...
Document : Site Section: Publications
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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 ... .: +64 4 386 0369 ; Fax: +64 4 386 2153 1 Introduction In this section we deal with: Ice ... other than 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 ...
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Fishery Report: Champsocephalus gunnari Heard Island (Division 58.5.2)
structure ................................................................ 4 Other parameters ... ......................................................................... 6 Proportion of biomass-at-age...................................................... 7 4 ... (number of vessels) Catch limit (tonnes) Reported catch (tonnes) 1971/72 - - 5 860 1973/74 - - 7 ... . Weighted Frequency (proportion of the catch) Le ng th (c m ) 10 20 30 40 50 1996/97 1997/98 1998 ...
Document : Site Section: Publications
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Fishery Report: Champsocephalus gunnari Heard Island (Division 58.5.2)
...................................................................... 3 Population structure ................................................................ 4 ... Proportion of biomass-at-age ...................................................... 6 4. Stock ... Reported effort (number of vessels) Catch limit (tonnes) Reported catch (tonnes) 1971/72 - - 5 860 ... trawl surveys. 4. With respect to the catch-weighted length frequencies in Figure 1, the Working Group ...
Document : Site Section: Publications
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Fishery Report 2018: Dissostichus eleginoides Crozet Island French EEZ (Subarea 58.6)
2 4 4 3 4 3 35 2011 726 4 12 5 6 4 5 1 0 37 2012 691 1 24 20 8 6 2 0 61 2013 852 8 ... Cano Rise. 4. Within the French EEZs, catch limits for target and by-catch species, as well as ... and no shallower than 500 m. A size limit has been set at 60 cm total length and every vessel must ... all seasons at approximately 60–80 cm. These length- frequency distributions are unweighted (i.e. they ...
Document : Site Section: Publications
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Physical data used in space averaging: Trophic modelling of the Ross Sea
11.5 3 Shelf 400–600 241 796 38.0 4 Shelf >600 98 461 15.5 5 Slope 600–1200 35 818 5.6 6 Slope 1200 ... Zealand. Email: m.pinkerton@niwa.co.nz; Tel.: +64 4 386 0369 ; Fax: +64 4 386 2153 1. Introduction ... –1800 39 388 6.2 7 Deep >1800 139 895 22.0 All 636 998 100 4. Ice extent Average ice cover by ... (MIZ); (3) open pack, first-year sea ice (OP); (4) close pack, first-year sea ice (CP); (5) multi-year ...
Document : Site Section: Publications
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Field Identification Guide to Heard Island and McDonald Islands Benthic Invertebrates
(890123245(((006476.0(89 !"#$%&'(&)*!)$&%+$(+*,(-(#(.) /(#01%(1#*21#1&%+0*&)3*,1-1'.451)$*6.%4 ... Class Hydrozoa 60 Hydroids or sea ferns 60 Hydrocorals 63 Platyhelminthes Flatworms 64 Priapulida ... snails 68 Sea slugs or nudibranchs 71 Limpets 72 Class Bivalvia 73 Clams, mussels & scallops 73 Class ... !"#$%&'()&"*+(,-&+"(././+!(((:!"#$%&'()&"*+(,-&+"(././+!(((: 0123245(((006476.0(890123245(((006476.0(89 4 ...
Document : Site Section: Publications
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Field Identification Guide to Heard Island and McDonald Island Benthic Invertebrates
(890123245(((006476.0(89 !"#$%&'(&)*!)$&%+$(+*,(-(#(.) /(#01%(1#*21#1&%+0*&)3*,1-1'.451)$*6.%4 ... Class Hydrozoa 60 Hydroids or sea ferns 60 Hydrocorals 63 Platyhelminthes Flatworms 64 Priapulida ... snails 68 Sea slugs or nudibranchs 71 Limpets 72 Class Bivalvia 73 Clams, mussels & scallops 73 Class ... !"#$%&'()&"*+(,-&+"(././+!(((:!"#$%&'()&"*+(,-&+"(././+!(((: 0123245(((006476.0(890123245(((006476.0(89 4 ...
Document : Site Section: Science
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Fishery Report: Champsocephalus gunnari Heard Island (Division 58.5.2)
structure ................................................................ 4 Other parameters ... ......................................................................... 6 Proportion of biomass-at-age...................................................... 7 4 ... Reported effort (number of vessels) Catch limit (tonnes) Reported catch (tonnes) 1971/72 - - 5 860 ... m ) 10 20 30 40 50 1996/971997/981998/99 1999/00 2000/01 2001/022002/032003/042004/052005 ...
Document : Site Section: Publications
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Sea Ice Biota: Trophic modelling of the Ross Sea
0 20 40 60 80 100 B ac te ria c el l c ar bo n (fg C c el l-1 ) a J A S O ... .: +64 4 386 0369; Fax: +64 4 386 2153 1 Introduction Sea ice is a dominant forcing function in ... development of a microalgal bloom of cells >20 um (Giesenhagen et al. 1999). Primary and bacterial production ... a factor of 20 and 12 respectively. Melting ice adds a number of substances to the water column: (1 ...
Document : Site Section: Publications
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