Resultados de la búsqueda

1. Note on estimating krill abundance from acoustic data on individual aggregations

   Africa 219 1. INTRODUCTION At its Second Meeting in Leningrad, the CCAMLR Working Group on Krill ... and distribution (SC-CAMLR, 1990). To date, the most commonly employed method to estimate krill ... Antarctic krill (Euphausia superba Dana): A review. BIOMASS Sci. Ser. 9: 166 pp. MILLER, D.G.M. and 1 ... observations. Polar Bioi. 10(1): 125-134. SC-CAMLR. 1990. Report of the Second Meeting of the Working Group ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 219–223 : Autor(es): Hampton, I. and D.G.M. Miller

2. Estimating unaccounted fishing mortality in the Ross Sea region and Amundsen Sea (CCAMLR Subareas 88.1 and 88.2) bottom longline fisheries targeting Antarctic toothfish

   , suffers a complete loss of four sets and stops fishing, the hook loss rate for that vessel is 80 ... procedure. However, the 80% hook loss estimate cannot then be applied to all effort of that gear type as ... that would imply that 80% of all sets made in the fishery by that gear type were lost. With such high ... 88.2G 16 0° E 180° 160°W 140°W 120°W 80 °S 75 °S 70 °S 65 °S 60 °S 23 18 12 6 1 ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 17–30 : Autor(es): Webber, D.N. and S.J. Parker

3. Using ecosystem monitoring data to detect impacts

   objectives for animal populations. Furthermore, the state of indicator populations cannot always be ... los 90, pero un método con un punto de referencia fijo habría indicado esta disminución desde el ... 0.25 0.56 0.12 0.03 0.79 0.43 0.17 (2b) Impacted mean = 726, impacted SD = 90 0.05 0.9 0.55 ... 0.93 0.81 0.47 0.96 0.89 0.52 0.25 0.9 0.69 0.35 0.95 0.75 0.38 (2f) Impacted SD = 90 ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 197–212 : Autor(es): Hill, S.L., J. Forcada, P.N. Trathan and C.M. Waluda

4. Discrimination of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) using otolith morphometrics

   identified 90% of otoliths to species and could be applied to otoliths removed from toothfish stomachs to ... 80 60 40 20 30 40 50 60 70 80 90 TL (cm ... 70 80 90 TL (cm) (b) TL (cm) ot o_ w ei gh t ( m m 2 ) 500 400 300 200 ... 100 0 30 40 50 60 70 80 90 (c) TL (cm) R ou ... . whitsoni and M. caml using otolith parameters alone. This method correctly identified 90% of otoliths to ...

   Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 15–28 : Autor(es): Pinkerton, M.H., C. Ó Maolagáin, J. Forman and P. Marriott

5. Preliminary appraisal of Antarctic fish selection by the 32/36 bottom trawl combined with various codends

   mesh size of 80 mm, currently used on factory trawlers, as well as codends with a structure resembling ... at a 80-90% level clearly ends at this length. with respect to longer fish, the codend material ... level of up to 80-90%, and a second one, resembling a typical selectivity ogive. Unfortunately, this ... of 23-27 cm at a level as high as 80-90%. It is possible that the body features of Scotia Sea ... of 80 mm, currently used on factory trawlers, as well as codends with a structure resembling tape ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 1-48 : Autor(es): Zaucha, J.

6. Biology and harvesting of Dissostichus eleginoides around the Kerguelen Islands (Division 58.5.1)

   sont indiques entre parentheses. 1979/80 it 1983/84 1984/85 it 1988/89 1989/90 it 1990/91 (5 ans ... /80 (Duhamel, 1987a) s'applique a l'etude de la biologie et de l'exploitation de D. eZeginoides. Il ... qui regroupe ainsi 86 quelque 37 000 chalutages depuis 1979/80. Les applications permettent ... classes d'age VI et VII) et les femelles (70 et 80 cm soit les classes d'age VII et VIII) et sont tres ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 85–106 : Autor(es): Duhamel, G.

7. Acoustic data analysis and models of krill spatial distribution

   and plays an important role in supporting animal populations such as whales, seals and penguins as ... , which is a measure of cohesiveness in animal aggregation. The most probably frequency distribution of ... animal swarm size is the one that maximized the entropy subject to given information or constraints ... - Figure 5: 80'- :r 50 40 30 201- 10H 1111111111111111111111111 0 1.5 -0.5 0.5 2.5 3.5 0 1 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 311–329 : Autor(es): Morin, A., A. Okubo and K. Kawasaki

8. Estimates of circumpolar abundance of Antarctic krill based on recent acoustic density measurements

   process of subdivision would go some way to ensure that the basic principles outlined in Article I1 of ... superba Island in the 1992 austral summer. Mar. Ecol. Dana): a review. BIOMASS Sci. Ser., 9: 166 pp ... ). BROKE: a multi- disciplinary survey of the waters off East Antarctica (80-150°E). Deep-Sea Res., 11 ... ). Distribution and abundance of Antarctic krill (Euphausia superba) off East Antarctica (80-150" east) during ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 87–99 : Autor(es): Nicol, S., A.J. Constable and T. Pauly

9. Performance and geometry of the FP-120 trawl used during UK fish stock assessment surveys around South Georgia, Subarea 48.3

   from positions fixed at the As mentioned above, the seabed around South Georgia and Shag Rocks ... (Figure 9). Additionally, a review of the literature has shown that warp length and depth can also ... South Georgia and Shag Rocks areas in the 1988/89, 1989/90 and 1990/91 seasons. Document WG-FSA-91/21 ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 51–69 : Autor(es): Pilling, G. and G. Parkes

10. Biological characteristics of Antarctic fish stocks in the southern Scotia Arc region

    from 1977/78 to 1989/90, and was in its heyday from 1977/78 to 1981/82. Except for Elephant Island, the ... from 1977/78 to 1989/90, and was in its heyday from 1977/78 to 1981/82. Except for Elephant Island ... L'exploitation commercial du poisson dans la region de l'arc Scotia du Sud qui a eu lieu de 1977/78 a 1989/90 a ... ~ npOMbICen pb16b1 B H ) x H o ~ ~ YBCTB AyrH CKOTHSI BenCR C 1977/78 IIO 1989/90 rr. M AocTMr pacnBeTa B ... sur del arco de Escocia se llevo a cabo de 1977/78 a 1989/90, y tuvo su auge en el periodo de 1977/78 ...

    Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 1–41 : Autor(es): Kock, K.-H., C.D. Jones and S. Wilhelms

Páginas