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1. Scientific Observer's Manual – Krill Fisheries – Version 2023

   to record all data collected on a trip. The second document is a cruise report (using an MS Word template ... ), which provides commentary on the trip and can be used to give more detailed descriptions of any ... unusual events or issues during the deployment. Whilst a captain may request an observer’s data during ... it is provided to the Commissioner of the Receiving Member as a documented record of the trip. The quality ...

   Document : Site Section: Science

2. Factors affecting the growth rate and mass at weaning of Antarctic fur seal pups at Bird Island, South Georgia

   of foraging trips, and the mean duration of both foraging trips at sea and nursing visits ashore on the growth ... of pup and mean duration of foraging trips. Growth rates of male and female pups varied considerably ... We studied the influence of sex of pup, maternal age, birth date of pup, number of foraging trips ... , and the mean duration of both foraging trips at sea and nursing visits ashore on the growth and mass at weaning ...

   Meeting Document : WG-CEMP-93/09 : Author(s): N.J. Lunn, I.L. Boyd, T. Barton and J.P. Croxall (United Kingdom)

3. e-sc-xxvi-a6.pdf

   ... of intersessional work for 2007/08 (Part II, Table 21) summarises requests to Members and others for information ... % of vessels fishing in Subarea 48.3 had observers on board at some time during their fishing trips (Part II ... , and the Working Group requested additional information from scientific observers (Part II, paragraph 60 ... to 66) I.26 The Working Group noted that despite requests, no Members provided written reports ... attendance of their representatives at meetings, especially technical coordinators and South American ... vessels fishing in Subarea 48.2 and 50% of vessels fishing in Subarea 48.3 had observers on board at some ... ). However, the Working Group expressed concern at the reported discarding of hooks in offal, given the ... albatrosses (Part II, paragraph 53). I.20 The Working Group expressed some concern at the low number of application/pdf attached to:WG-IMAF-07

   Meeting Report : WG-IMAF-07

4. Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald Islands using catch-at-age and aged mark-recapture data from the main trawl ground

   Paper Title:  Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald ... adopted whereby the relatively long time series of catch-at-age and mark-recapture data from the main ... directly from the estimates of population numbers-at-age. The properties of these two models for estimation ... Islands using catch-at-age and aged mark-recapture data from the main trawl ground Abstract / Description ... size and the age-at-maturity ogive. The integrated assessments using CASAL (Bull et al., 2005) of ... Science, Vol. 18 (2011): 29–45 29 EstImatIon of natural mortalIty for thE PatagonIan toothfIsh at ... time series of catch-at-age and mark-recapture data from the main trawl ground at HIMI were used to ... require a catch equation but removes catch-at-age numbers directly from the estimates of population ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 29–45 : Author(s): Candy, S.G., D.C. Welsford, T. Lamb, J.J. Verdouw and J.J. Hutchins

5. Estimation of effective sample size for catch-at-age and catch-at-length data using simulated data from the Dirichlet-multinomial distribution

   to gener- ate Figure 1. The second step of the simulation involved generating random catch-at-age data ... Paper Title:  Estimation of effective sample size for catch-at-age and catch-at-length data using ... distribution of catch-at-age or catch-at-length frequencies using a multinomial likelihood when there is extra ... simulated data from the Dirichlet-multinomial distribution Abstract / Description:  The incorporation of ... ‘effective sample size’ (ESS) in integrated assessments is an approximate but simple way of modelling the ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 115–138 : Author(s): Candy, S.G

6. Fecundity and size at sexual maturity of the bigeye grenadier (Macrourus holotrachys) at South Georgia (CCAMLR Subarea 48.3)

   at different stages of development suggesting that M. holtrachys may have an extended spawning season ... . Analyses of size at sexual maturity indicate that Lmat 50 occurs at 29cm (pre-anal length) whilst Lint 50 ... sexual maturity of the bigeye grenadier (Macrourus holotrachys) at South Georgia (CCAMLR Subarea 48.3 ... Abstract:  Fecundity and size at sexual maturity were investigated in 486 bigeye grenadier ...

   Meeting Document : WG-FSA-02/26 : Author(s): T. Mulvey, S.A. Morley, M. Belchier and J. Dickson (United Kingdom)

7. Power analyses of CEMP indices for penguins at Admiralty Bay and fur seals at Cape Shirreff and Seal Island

   actually exist. We estimated the power of rejecting these null hypotheses at three levels of? (the ... Abstract:  We used the program MONITOR to conduct a set of power analyses for CEMP indices ... developed by the US AMLR Program. We consider CEMP indices A2, A3, A5, A6, A7, and A8 for penguins at ... Admiralty Bay, and indices C1 and C2 for fur seals at Cape Shirreff and Seal Island. Our power analyses ...

   Meeting Document : WG-EMM-03/52 : Author(s): G.M. Watters, R.P. Hewitt, W.Z. Trivelpiece and M.E. Goebel (USA)

8. Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald Islands using catch-at-age and aged mark-recapture data from the main trawl ground

   . An alternative strategy was adopted whereby the catch-at-age and mark-recapture data were restricted ... to the main trawl ground in which the longest time series of catches and the great majority of ... releases and recaptures of tagged fish were available. Catch and releases by age class for this fishery ... were obtained using proportions-at-length and fishery and year specific age length keys (ALKs) for ...

   Meeting Document : WG-FSA-10/41 : Author(s): S. Candy, D. Welsford, T. Lamb, J. Verdouw and J. Hutchins (Australia)

9. Report of the Workshop on Predator-Prey-Fisheries Interactions at Heard Island and McDonald Islands and at Macquarie Island

   Author(s):  Delegation of Australia Title:  Report of the Workshop on Predator-Prey-Fisheries ... Interactions at Heard Island and McDonald Islands and at Macquarie Island Approval:  Approved ...

   Meeting Document : WG-EMM-97/27 : Author(s): Delegation of Australia

10. Estimates of natural and fishing mortality from toothfish mark–recapture and catch-at-age data at South Georgia

    bias, using simulated data. The results confirm earlier findings, with lower estimates of natural and ... mark-recapture models of this type. Given the increasing number of releases and recaptures in all the ... current tagging programs, we suggest that this type of modelling approach can serve as both a useful tool ... estimates of the exploitation rate predicted by the full assessment models, currently being implemented ...

    Meeting Document : WG-FSA-06/54 : Author(s): R.M. Hillary and D.J. Agnew (United Kingdom)

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