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1. An index of per capita recruitment

   recruitment (PCR) is proposed such that where R 1 is the proportion of age-l animals sampled in year y and M ... in mortality and reduction in the proportion of age-l spawners. Introducing year-to-year random ... underestimate recruits per spawner by 30% if reasonable assumptions are made regarding the variability of ... spawners and recruits. PCR was also able to track cycles in recruits per spawner after a 20% random ... appearing as a large mode at 20 to 30 mm length and in subsequent years as progressively longer length ... modes (Figure 1). The 20-year time series of R1 constructed from these observations (Siege1 et al ... years except for the moderate year class of 1990/91. The non-linear transformation of R1 to PCR ... as age-l animals. In the intervening years without strong year classes the dominant length mode is ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 179–196 : Auteur(s): Hewitt, R

2. CCAMLR-XX

   -XX/19 Rev. 1 Draft statement for the commemoration of 20 years of CCAMLR Delegation of Chile CCAMLR ... -XX/20 Rev. 1 CCAMLR conservation measures: alternative approaches for fishery measures Secretariat ... pour la saison 2000/2001 (1er juillet 2000–30 juin 2001). Informations générales sur la zone CCAMLR 58 ... îles Kerguelen et Crozet pour la saison 2000/2001 (1er juillet 2000–30 juin 2001). Informations ...

   Meeting

3. Information Note for the Spatial Management Workshop and WG-EMM

   : 20 minute service 08:00 to 18:30 (no Sunday service). For a route map see here. Tickets cost £2 ... , Cambridge CB3 0ET: CCAMLR Workshop on Spatial Management (WS-SM-18) from 2 to 6 July 2018 and CCAMLR Working ... Group on Ecosystem Monitoring and Management (WG-EMM) from 9 to 13 July 2018. Venue The CCAMLR Spatial ... Cambridge site) and Addenbrookes via the Rail Station. Weekdays: 15 minute service 07:00 to 19:30; Saturdays ...

   Page : Site Section: Meetings

4. Demonstrating global leadership in marine spatial protection

   Members will work together over the next 14 months to ensure that it is met.   Author(s):  Submitted by ...

   Meeting Document : CCAMLR-XXX/BG/20 : Auteur(s): Submitted by ASOC

5. An index of per capita recruitment

   )eM where R1 is the proportion of age-1 animals sampled in year y and M is the post-recruit mortality ... spawners. Introducing year to year random variability in both mortality and proportion of age age-1 ... introduce additional bias. On average, PCR will under estimate recruits per spawner by 30% if reasonable ... cycles in recruits per spawner after a 20% random sampling error was added to the value of R1 used in the ...

   Meeting Document : WG-EMM-99/50 : Auteur(s): R. Hewitt (USA)

6. Uncertainty in green weight estimates from Norwegian krill fishing vessels

   an issue raised repeatedly within CCAMLR for a number of years, resulting in a modification to the C1 ... krill fishery for Euphausia superba in the Antarctic. These vessels have in recent years contributed to ...

   Meeting Document : WG-EMM-13/41 : Auteur(s): G. Skaret and T. Knutsen (Norway)

7. e-sc-xxv.pdf

   ... and chinstrap penguin numbers over the last 20 to 30 years (Agenda Item 3); (ii) the substantial ... numbers over the past 20 to 30 years. 3.6 The Scientific Committee recalled that historical analyses had ... season....................................................................... 20 Advice from WG-EMM ... ................................................................ 20 Advice to the Commission ............................................................. 22 Fish application/pdf attached to:SC-CAMLR-XXV

   Meeting Report : SC-CAMLR-XXV

8. e-sc-viii-a6.pdf

   ... several years. 27. This type of data was available for C. gunnari in South Georgia waters (WG-FSA-89/20 ... year may not reflect the age composition of catches in other years. According to Ricker this can lead ... . gunnari for a period of 30 years. The strategies chosen were: • different levels of constant fishing ... strength of the incoming year class. An increased F should not occur until at least four years after a application/pdf attached to:WG-FSA-89

   Meeting Report : WG-FSA-89

9. e-sc-ix-a5.pdf

   ... noted that this topic has been raised several times over the past few years, initially at the BIOMASS ... unlikely to be used widely for several years. Other Available Biological Information 30. New ... hauls these fish constituted about 20% of the catch by weight. During this study krill were being ... Pleuragramma antarcticum, with the balance comprising juvenile channichthyids. 20. Skora (1988), during a application/pdf attached to:WG-FSA-90

   Meeting Report : WG-FSA-90

10. Towards an initial operational management procedure for the krill fishery in Subareas 48.1, 48.2 and 48.3

    reductions may prove necessary during the 20 year period considered. Simulation tests, including one ... Article II is proposed: the primary objective is to prevent the expected lowest biomass of krill over a 20 ... restricted to an initial ceiling (Cc) for a 5 year period, with a reference CPUE level (CPUEref) calculated ... , this increase may be suspended or reversed in any year depending on how many of the previous three year ...

    Meeting Document : SC-CAMLR-VIII/BG/17 : Auteur(s): Delegation of South Africa

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