Search results

1. A fine-scale model of the overlap between penguin foraging demands and the krill fishery in the South Shetland Islands and Antarctic Peninsula

   between years, and that 75 to 90% of the total catch for the subarea was taken between December ... the analysis of Agnew (1992) the Scientific Committee of CCAMLR has annually reviewed the percentage of total ... out to 80, 60 and 20 km (Adklie penguins, chinstrap penguins and gentoo penguins respectively ... , South Orkneys, to 80 to 120 km and 66 to 92 km respectively. Foraging areas for Adklie penguins ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 99–110 : Author(s): Agnew, D.J. and G. Phegan

2. Otolith and body size relationships in bigeye grenadier (Macrourus holotrachys) in CCAMLR Subarea 48.3

   , Subarea 48.3 0 10 20 30 40 50 60 70 80 90 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 0.55 ... in the text. 90 80 70 60 50 40 30 20 10 0 40 35 30 25 20 15 10 5 0 5.0 4.5 4.0 3.5 3.0 ... 50 60 70 80 90 10 12 14 16 18 20 22 Otolith Length (mm) Fi sh T ot al L en gt ... h (c m ) 90 80 70 60 50 40 30 20 10 0 Fi sh to ta l l en gt h (c m ) 10 ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 133–143 : Author(s): Morley, S. and M. Belchier

3. 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 ... that: (i) post-recruit mortality does not vary over age or between years; (ii) 100% of age-l animals spawn; (iii ... ) a representative sample of the population is available; and (iv) the proportion of age-l animals in the sample can ... to recruits per spawner when mortality is constant over all ages and years, and when all age-l animals spawn ... is the proportion of age-l animals sampled in year y and M is the post-recruit mortality rate. The intent ... or between years; (ii) 100% of age-l animals spawn; (iii) a representative sample of the population ... is available; and (iv) the proportion of age-l animals in the sample can be determined unambiguously. Normal ... is constant over all ages and years, and when all age-l animals spawn. These conclusions are insensitive ...

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

4. The CCAMLR-2000 Krill Synoptic Survey: a description of the rationale and design

   of B,, CCAMLR decided that a more up-to-date estimate of krill biomass was required (SC-CAMLR, 1993 ... and documents the survey design details; it draws heavily from many CCAMLR documents and meetings. SAMPLING ... -10 AP-14 SGI-03 SOI-01 SS-06 SSI-08 SS-B Sand-04 Table 7: Start and end dates for each ... vessel. Vessel-ID Nation Vessel Start Date End Date Ship 1 UK RRSJarnes Clark Ross 18 January 2000 10 ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 1–23 : Author(s): Trathan, P.N., J.L. Watkins, A.W.A. Murray, A.S. Brierley, I. Everson, C. Goss, J. Priddle, K. Reid, P. Ward, R. Hewitt, D. Demer, M. Naganobu, S. Kawaguchi, V. Sushin, S.M. Kasatkina, S. Hedley, S. Kim and T. Pauly

5. A composite recruitment index to describe interannual changes in the population structure of Antarctic krill at South Georgia

   as the proportion of l + animals in the total population in the year after spawning, R2 as the pro ortion ... the commercial fishery (Kawaguchi et al., 1998). However, to date there has been no information on the year ... Survey (BAS) cruises around South Georgia between 1989/90 and 1997/98. Since 1995/96 the BAS Core ... ("W) Figure 1: Location of net hauls undertaken in the South Georgia area during cruises between 1989/90 ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 71–84 : Author(s): Watkins, J.L

6. Intra-annual variability in the density of Antarctic krill (Euphausia superba) at South Georgia, 2002–2005: within-year variation provides a new framework for interpreting previous ‘annual’ estimates of krill density

   simply be attributed to sampling on different dates of the year (e.g. November cf. February). However ... simply be attributed to sampling on different dates of the year (e.g. November cf. February). However ... be attributed to sampling on different dates of the year (e.g. November cf. February). However, there were some ... g m–2 in January 1998; Brierley et al., 1999). This raises the possibility that apparent interannual var- iability ... is actually a temporal alias of shorter-term (intra-annual) variability. Most at-sea data avail- able to date ... on an interannual scale. Moored instrument arrays (‘moorings’) can pro- vide simultaneous biological ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 27–41 : Author(s): Saunders, R.A., A.S. Brierley, J.L. Watkins, K. Reid, E.J. Murphy, P. Enderlein and D.G. Bone

7. On the intensity of sampling krill trawl catches

   stages; • for most purposes a minimum sample size of at least 100 animals/trawl is necessary to obtain ... information on maturity stages; • for most purposes a minimum sample size of at least 100 animals/trawl ... 120 100 90 80 70 60 50 40 30 20 10 30 35 ... WG-KRILL-90/27 ON THE INTENSITY OF SAMPLING KRILL TRAWL ... krill? 1. INTRODUCTION At its first meeting in June 1989, the CCAMLR Working Group on Krill (WG ... from the aft-quarter of the trawl codend and the lengths of 50, 100 and 150 animals were measured ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 29–48 : Author(s): Miller, D.G.M.

8. By-catch, growth and feeding of Antarctic juvenile fish taken in krill (Euphausia superba Dana) fisheries in the South Georgia area, in 1992

   53"44'6 38"29'3 53"42'5 37-19'2 Date Fishing Water FishingTime Krill Mass of 1992 Depth Depth ... 600 20 30.05 10 240 15.10-16.00 8 000 25 31.05 90 250 09.40-10.15 7 000 2 5 03.06 10 200 16.20 ... Georgia area. P I a a: 80- 40- 4 g 4 G - + - 60- 20- I I I I Data on the feeding ... . m m . m m m m m . mm... m . m m m. m m m . m m . m . l I I I I I I 70 76 sb 66 80 86 100 1b6 C.gunnarl ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 129–142 : Author(s): Pakhomov, E.A. and S.A. Pankratov

9. Additional data on anti-Brucella antibodies in Arctocephalus gazella from Cape Shirreff, Livingston Island, Antarctica

   from 77 live animals and nine from dead animals. Body fluid samples (blood, pleural fluid or pericardic ... A. gazella body fluid samples were collected from 77 live animals and nine from dead animals. Body fluid ... Preventiva Animal Facultad de Ciencias Veterinarias y Pecuarias Universidad de Chile Casilla 2-Correo 15 ... from 77 live animals and nine from dead animals. Body fluid samples (blood, pleural fluid ... ejemplares vivos de A. gnzella y 9 muestras de animales muertos. Las muestras de fluidos corporales ... is an infectious disease that mainly affects the reproductive system of animals, causing abortion and sterility ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 147–154 : Author(s): Blank, O., P. Retamal, P. Abalos and D. Torres

10. Sea-surface temperature and krill catches around South Georgia in December–February 1989–1991 and 1999–2001

    . The total catch of krill was 81 369 tonnes in 1989/90 and 123 562 tonnes in 1990/91. However, it dropped ... . The total catch of krill was 81 369 tonnes in 1989/90 and 123 562 tonnes in 1990/91. However, it dropped ... Anomaly Dec 1.90 3.28 -0.35 +0.78 Jan 2.80 3.70 -0.7 +0.45 1989 1990 Feb 3.90 2.87 4.55 3.84 -0.35 ... activities in the area. The total catch of krill was 81 369 tonnes in 1989/90 and 123 562 tonnes in 1990/91 ... sous diverses conditions hydrologiques. Par comparaison avec le début des années 90, la période de ... décembre à février, à la fi n des années 90 et au début des années 2000, affi che une baisse considérable ...

    Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 165–174 : Author(s): Vanyushin, G.P

Pages