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1. e-sc-xxiv-a6.pdf

   ... since FIBEX in 1981 (Trathan et al., 1992). 6. CCAMLR uses the estimate of B0 to set a precautionary ... Mare, 1996) representing a development of the KYM first described in 1991 (Butterworth et al., 1991 ... currently endorsed by CCAMLR is that of Greene et al. (1991), which is an empirically-derived linear ... ’ (not including E. superba) in a 30 m3 enclosure (Wiebe et al., 1990). The ratio of acoustic wavenumbers ... have been derived from hydroacoustic surveys since FIBEX in 1981 (Trathan et al., 1992). 6. CCAMLR ... first described in 1991 (Butterworth et al., 1991, 1994). 7. Target strength (TS, measured in dB re 1 ... used (Demer, 2004). 8. The krill TS model currently endorsed by CCAMLR is that of Greene et al ... corroborated with empirical data (Foote et al., 1990; Hewitt and Demer, 1991a, 1991b; Pauly and Penrose, 1997 application/pdf attached to:SG-ASAM-05

   Meeting Report : SG-ASAM-05

2. e-sc-xxvii-a12.pdf

   ... (1998), Thomson et al. (2000), Watters et al. (2005, 2006), Plagányi and Butterworth (2005, 2006a ... parameters can impact on krill availability and food-web dynamics (Murphy et al., 2007). 1.21 Expert ... , such as the Regional Ocean Modelling System (ROMS) (Haidvogel et al., 2008) and the Princeton Ocean Model (POM ... diagrams (Joliff et al., 2007), provide estimates of uncertainty in model predictions and highlight areas ... include those of Mangel and Switzer (1998), Thomson et al. (2000), Watters et al. (2005, 2006), Plagányi ... ) (Haidvogel et al., 2008) and the Princeton Ocean Model (POM) (Mellor, 1996), are available and these have ... (Joliff et al., 2007), provide estimates of uncertainty in model predictions and highlight areas where application/pdf attached to:CCAMLR-IWC-WS-08

   Meeting Report : CCAMLR-IWC-WS-08

3. e-sc-xxxvi-a04.pdf

   ... noise removal 3.9 The spike noise removal algorithm of Wang et al. (2016), presented in SG-ASAM-17/03 ... was included in the Echoview template. The Wang et al. (2016) algorithm was selected because it has been ... detection parameters taken from SG-ASAM-17/02 and 17/03; Cox et al., 2011; Tarling et al., 2009; Woodd ... -Walker et al., 2003 (Table 2) and estimated mean real krill density (Figure 1). The Subgroup agreed ... algorithm of Wang et al. (2016), presented in SG-ASAM-17/03 was included in the Echoview template. The Wang ... et al. (2016) algorithm was selected because it has been tested on acoustic data collected using ... parameters taken from SG-ASAM-17/02 and 17/03; Cox et al., 2011; Tarling et al., 2009; Woodd-Walker et al ... krill trawls has been studied and the selection curve estimated (Krag et al., 2014). Such selection application/pdf attached to:SG-ASAM-17

   Meeting Report : SG-ASAM-17

4. e-sc-xii-a6.pdf

   ... discrepancies between the fish eaten by shags and the otoliths recovered in pellets (e.g., Johnstone et al ... recovered in pellets (e.g., Johnstone et al., 1990, Bird Study 37: 5-11). Before the use of pellets could application/pdf attached to:WG-CEMP-93

   Meeting Report : WG-CEMP-93

5. e-sc-xxix-a5.pdf

   ... the shape of the standard generic krill (McGehee et al., 1998); (ii) incorrect reference length applied ... of the generic krill presented in McGehee et al. (1998) (38.35 mm AT length, front of the eyes to tip ... of the telson, see Morris et al., 1988) (denoted ‘L’ in SC-CAMLR-XXIV, Annex 6, paragraph 11 ... in SDWBApackage20050603 and provided by McGehee et al. (1998) are given in Table 2 and 153 visualised in Figure ... originate from a confusion between the measured length of the generic krill presented in McGehee et al ... . (1998) (38.35 mm AT length, front of the eyes to tip of the telson, see Morris et al., 1988) (denoted ... McGehee et al. (1998) are given in Table 2 and 153 visualised in Figure 1. The Subgroup agreed to ... McGehee et al. (1998) as the point of reference (the digitised x-length equal to 41.09 mm, l, rather application/pdf attached to:SG-ASAM-10

   Meeting Report : SG-ASAM-10

6. e-sc-xxvi-a9.pdf

   ... et al., 2006). The 2006 Hobart Workshop was aimed at developing a ‘proof of concept’ for a broad ... and statistical routines are explained and provided in Grant et al. (2006). 29. The Workshop recognised ... from the 2006 Hobart Workshop were fully reported in Grant et al. (2006). The resulting map is shown ... displayed with 40 groups (Grant et al., 2006, Figures 21, 23 and 25). It could not achieve consensus ... methods, datasets and statistical routines are explained and provided in Grant et al. (2006). 29. The ... 2006 Hobart Workshop were fully reported in Grant et al. (2006). The resulting map is shown in Figure ... ’ classification displayed with 40 groups (Grant et al., 2006, Figures 21, 23 and 25). It could not achieve application/pdf attached to:WS-BSO-07

   Meeting Report : WS-BSO-07

7. e-sc-xxxi-a04.pdf

   ... . Løland et al., 2007; Harbitz et al., 2009). The Subgroup encouraged continuing investigation ... calibration (Foote et al., 1987) should be used whenever the acoustic equipment was to be used ... technique, Foote et al. (1987) Table 2: Research objective for spatial organisation of krill ... instrument. 1 Standard sphere technique, Foote et al. (1987) Table 3: Fundamental ancillary ... of krill when producing biomass estimates (e.g. Løland et al., 2007; Harbitz et al., 2009). The ... standard sphere calibration (Foote et al., 1987) should be used whenever the acoustic equipment was to be ... -frequency distribution required. 1 Standard sphere technique, Foote et al. (1987) Table 2 ... technique, Foote et al. (1987) Table 3: Fundamental ancillary data requirements. Type Item application/pdf attached to:SG-ASAM-12

   Meeting Report : SG-ASAM-12

8. e-sc-xxviii-a8.pdf

   ... -difference techniques (Azzali et al., 2004), thresholding, scattering-model inversion techniques (Lebourges ... -Dhaussy, 2006, in Fernandes et al., 2006), frequency response (SG-ASAM-09/13), and statistical-spectral ... analysis (Demer et al., 2009). In addition, supplementary information such as time of day, depth ... . as implemented in software such as Echoview or LSSS), or multi-frequency coherence (e.g. Demer et al., 2009 ... , including empirically derived dB-difference techniques (Azzali et al., 2004), thresholding, scattering ... -model inversion techniques (Lebourges-Dhaussy, 2006, in Fernandes et al., 2006), frequency response (SG ... -ASAM-09/13), and statistical-spectral analysis (Demer et al., 2009). In addition, supplementary ... coherence (e.g. Demer et al., 2009). 27. The Subgroup recommended that a library of validated echograms be application/pdf attached to:SG-ASAM-09

   Meeting Report : SG-ASAM-09

9. e-sc-xxviii-a10.pdf

   ... of additional fauna (Jones et al., 1997). 3.4 An additional intrinsic factor contributing to vulnerability ... depending on the physical shape and weight of the gear and the way it is deployed (Rogers et al., 2008 ... or 30 years post impact (Clark et al., in press). 3.10 The Workshop agreed that vulnerability ... be higher in and around cold-water coral reefs (Husebø et al., 2002). Research submersibles, ROVs or other ... structurally complex sea-floor substrata can also support the existence of additional fauna (Jones et al ... been observed 20 or 30 years post impact (Clark et al., in press). 3.10 The Workshop agreed that ... valuable species may be higher in and around cold-water coral reefs (Husebø et al., 2002). Research application/pdf attached to:WS-VME-09

   Meeting Report : WS-VME-09

10. e-sc-xxxv-a04.pdf

    ... such as the ICES calibration protocols for Simrad acoustic systems (Demer et al., 2015). The Subgroup also noted ... outlined in Hewitt et al., 2004 to collect and process data is the current CCAMLR approach, except for one ... -linear effects (Korneliussen et al., 2008). 5.8 The Subgroup noted the discussion of WG-EMM-15/17 Rev ... technique exists (Madureira et al., 1993; Watkins and Brierley, 2002), and in the absence of three ... Simrad acoustic systems (Demer et al., 2015). The Subgroup also noted the need to designate a Member ... fishing vessels. 5.7 SG-ASAM noted that the overall approach outlined in Hewitt et al., 2004 to collect ... transmitted power setting should be set for each frequency to avoid non-linear effects (Korneliussen et al application/pdf attached to:SG-ASAM-16

    Meeting Report : SG-ASAM-16

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