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1. Zooplankton: Trophic modelling of the Ross Sea

   ) suggests that the seaward distribution of this species ends at the shelf break. In the west, north of 74 ... . The eggs then sink and hatch at depth, probably to about 850–1000 m or even to 2000 m (Marr 1962). After ... calyptopis stage (the developmental ascent takes about 2–4 weeks) to feed about 30 days after spawning ... in the Ross Sea hence seem reasonable, albeit towards the low end of E. superba densities in the Southern ... Description / Abstract:  A supporting document to the CCAMLR Science paper: M.H. Pinkerton, J.M ... . Bradford-Grieve and S.M. Hanchet.  2010.  A balanced model of the food web of the Ross Sea, Antarctica ...

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2. Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic Peninsula region

   from the starting and the end of the cycle. Elimination is defined as the difference between original ... parameters assumptions had to be made. The natural mortality rate of krill at one year after hatch ... data. Total mortality was Z = 0.65 for the time before and Z = 0.45 for the period after the reduction ... to calculate a ratio of PIB = 1.8 to 2.3 and stated the lower end of the range being more likely. Yamanaka ... Paper Title:  Estimation of krill (Euphausia superba) mortality and production rate in the ... Meteor along the Antarctic Peninsula from 26 December 1989 to 14 January 1990. Results were compared with ... ratio of 0.88 to 0.94 for different years. The exchange rate of water masses and krill biomass within ... biomass (including production) of 4.3 and 5.0 x 10 6 tonnes passing through the survey area during the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 159–176 : Author(s): Siegel, V.

3. Possible effects of different levels of krill fishing on predators – some initial modelling attempts

   . one realised after any transient effects from the commencement of fishing at an intensity y have ... adult survival rate provided by CCAMLR (1993) (but see further discussion at the end of this sub ... . Thus, the assumption being made is that the distribution of NIK, will have stabilised after 200 years ... at which the predator adult survival rate begins to fall. Comparative results when krill recruitment ... modelling attempts Abstract / Description:  An initial attempt is made to develop the modelling framework ... suggested by the Joint Meeting of CCAMLR's Working Group on Krill (WG-Krill) and Working Group for the ... CCAMLR Ecosystem Monitoring Program (WG-CEMP) in 1992, in order to investigate the possible effects of ... krill fishing on krill predators. First, estimates are made of the parameters of predator survival rates ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 79–97 : Author(s): Butterworth, D.S. and R.B. Thomson

4. Conservation Measure Conservation Measure 10-06 (2005)

   to have engaged in any of the activities referred to in paragraph 5 during the period beginning 30 ...

   Conservation Measure : 10-06 (2005)

5. e-sc-xxix-a4.pdf

   ... also demonstrated that after about four years of coverage at higher levels, it was possible to decide ... that it would reconsider this issue at a later date, after acoustics data from krill fishing vessels had been ... e-sc-xxix-a4.pdf ANNEX 4 REPORT OF THE WORKING ... ............................................................................. 119 Opening of the meeting .................................................................... 119 ... Adoption of the agenda and organisation of the meeting ............................... 119 KRILL ... Independent review of the Secretariat’s data management systems .................... 134 Performance Review application/pdf attached to:WG-SAM-10

   Meeting Report : WG-SAM-10

6. Survey design to estimate krill abundance during FIBEX

   8 PACK ICE BOUNDARY 0'1 C) o (f) 100·W Figure 2: Example of a survey subarea at the end ... of the primary phase (after BIOMASS 1980b). Phase 2 transects would be run only in the anticipated high density ... of the primary aims of FIBEX (First International BIOMASS Experiment), 1981 was to study the ... methodology for assessing the abundance of krill. The survey design used in the southwest Atlantic study area ... of the FIBEX is described in this paper. Sampling involved the use of echo sounders for estimating ... krill abundance as well as collection of data on the size, density and distribution of krill swarms. In ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 253–263 : Author(s): Everson, I., I. Hampton and G.M. Jolly

7. Conservation Measure Conservation Measure 144/XVI (1997)

   to the end of the Commission meeting in 1998 or until the catch limit is reached, whichever is the sooner ... than three months after the closure of the fishery. 1 As described in Resolution 12/XVI ... Exploratory Fishery for Dissostichus spp. taken by the Trawl Method in Statistical Division 58.4.3 ... in the 1997/98 Season Area:  Division 58.4.3a Division 58.4.3b Species:  Dissostichus spp. Adopted at ...

   Conservation Measure : 144/XVI (1997)

8. e-sc-40-a4.pdf

   ... dynamic, with very high biomass towards the end of the fishery, implying flux must have played ... biomass towards the end of the fishery, implying flux must have played an important role that needed to ... e-sc-40-a4.pdf Annex 4 Report of the Working ... Content Page Introduction to the meeting ... vehicles data ................................................................. 108 Advice to the application/pdf attached to:WG-ASAM-2021

   Meeting Report : WG-ASAM-2021

9. Field Identification Guide to Heard Island and McDonald Islands Benthic Invertebrates

   . Almost all families are named for a type genus, and are formed by adding the ending -idae (animals ... after one month and transfer to 70% ethanol for long term storage. Some ‘wet’ specimens like sponges ... ) hinged at one end. The body is completely enclosed within the valves. PAGE 73 COMMON NAME Chitons ... at both ends, superfi cially resembling the tusk of some mammals like the elephant. PAGE 77 Photograph ...

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10. Field Identification Guide to Heard Island and McDonald Island Benthic Invertebrates

    . Almost all families are named for a type genus, and are formed by adding the ending -idae (animals ... after one month and transfer to 70% ethanol for long term storage. Some ‘wet’ specimens like sponges ... ) hinged at one end. The body is completely enclosed within the valves. PAGE 73 COMMON NAME Chitons ... at both ends, superfi cially resembling the tusk of some mammals like the elephant. PAGE 77 Photograph ...

    Document : Site Section: Science

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