Resultados de la búsqueda

1. Annual report of research fishing operations at Division 58.4.4b in 2016/17 fishing season

   data set, C2 and Observer data, was provided by the CCAMLR Secretariat on the 20th April 2018 (30 May ... , 2018 for September to November French cruise). In this paper, the data set during last fishing season ... Abstract:  This paper represents the annual report of a multi-member longline survey on Patagonian ... (2016/17) was used for reporting the quantity of data, samples collected, and results of quick analysis ...

   Meeting Document : WG-SAM-18/31 : Autor(es): Delegations of Japan and France

2. Interannual variability in Antarctic krill (Euphausia superba) density at South Georgia, Southern Ocean: 1997 – 2013

   the WCB in that year. WCB krill density (µ, mean density for the area) showed several years (1997-8 ... , 2001-2003, 2005-2007) of high values (µ > 30 g m-2) interspersed with years (1999-2000, 2004, 2009 ... estimates for a 17 year time series of acoustic surveys of the Western Core Box at South Georgia.  Krill ... . Hence, only the densest krill swarms detected in any one year drove the mean krill density estimates for ...

   Meeting Document : WG-EMM-14/P04 : Autor(es): S. Fielding, J. Watkins, P. Trathan et al.

3. Analysis of krill trawling positions north of the South Shetland Islands (Antarctic Peninsula area), 1980/81–1999/2000

   effect on trawling positions. Ice conditions for recent fishing periods were also demonstrated to have an ... commercial krill trawling positions for the 1980/81 to 1999/2000 seasons in the area north of the South ... operations concentrated on the outer shelf in the early 1980s, along the shelf slope in the mid to late 1980s ... quality, such as salp abundance and the proportion of green krill, also seemed to have an increasing ... seemed to have an increasing effect on trawling positions. Ice conditions for recent fishing periods ... from fishing vessels, the reasons for changing fishing grounds in January of these years were either ... these two years showed unusual patterns. In 1990/91 most trawling positions were located from the ... . ACKNOWLEDGEMENTS We would like to thank Denzil Miller and Robin Ross for their critical comments 011 an earlier ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 25–36 : Autor(es): Kawaguchi, S. and K. Segawa

4. Size at sexual maturity of Patagonian toothfish (Dissostichus eleginoides)

   / Description:  Analyses of size at sexual maturity were undertaken on samples of Patagonian toothfish ... (Dissostichus eleginoides) caught in the commercial fishery within Subarea 48.3. The results for 1996 indicate ... that L m50 occurs at 78.5 cm total length for male and 98.2 cm for female fish. In 1997 the results for ... male fish were essentially the same. For female fish there is evidence that in 1997 a significant ... errors) for 'spawners' based on an upper asymptote of l-propn. An estimate of population L,,,, (with ... leading to an enlarged ovary of about 20% of the fish total mass. Spawning occurs in the period July to ... 1996 and 1997 calendar years were prepared by the CCAMLR Data Manager and provided for the purpose ... fit logistic models with an additional parameter for non-response (usually called 'immunity' in the ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 37–46 : Autor(es): Everson, I. and A.W. Murray

5. Phytoplankton distribution in the mixed layer: implication to krill abundance

   Antarctic Ocean, we estimate the depth of the mixed layer and its turbulence intensity from an Ekman layer ... . However, the effect on the dynamics is vital, affecting the distribution of particles in the upper ocean ... extensively feed on phytoplankton. Boyd et al. (1984) estimate that they spend up to 30% of their total ... follow ( 2 ) (Gregg, 1987). Figure 2 shows the dissipation profile for UlO = 1, 5, 10 and 20 m sec-1 ... A is a constant of an order one. For the sake of simplicity we have used A= 1 . Therefore by ... (solid line) and the dissipation spectrum (dotted line) for N=0.001 rad S-1 and U10=1, 5, 10 and 20 m ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 331–356 : Autor(es): Yamazaki, H. and T.R. Osborn

6. WG-CEMP-92

   Delegation of the USA WG-CEMP-92/20 An automated weighing and recording system as an aid for the study of the ... -CEMP-92/28 Progress in preparing for a workshop on methods to study the at-sea behaviour of marine ... -CEMP-92/30 On the problem of Soviet krill fishery allocation and intensity in the area of Elephant ... Full Name:  Working Group for the CCAMLR Ecosystem Monitoring Program Location:  Viña del Mar ...

   Meeting

7. Conservation Measure Conservation Measure 21-01 (2010)

   Notification that Members are Considering Initiating a New Fishery Limitations:  Except for waters ... adjacent to the Kerguelen and Crozet Islands Except for waters adjacent to the Prince Edward Islands ... accordance with Article IX of the Convention: 1. A new fishery, for the purposes of this conservation ... division for which: (i) information on distribution, abundance, demography, potential yield and stock ... catch levels proposed for the forthcoming season; (b) biological information on the target species ... advice, Noting that in recent years new fisheries have started without adequate information being ...

   Conservation Measure : 21-01 (2010)

8. Conservation Measure Conservation Measure 21-01 (2009)

   Notification that Members are Considering Initiating a New Fishery Limitations:  Except for waters ... adjacent to the Kerguelen and Crozet Islands Except for waters adjacent to the Prince Edward Islands ... measure in accordance with Article IX of the Convention: 1. A new fishery, for the purposes of this ... division for which: (i) information on distribution, abundance, demography, potential yield and stock ... levels proposed for the forthcoming season; (b) biological information on the target species from ... to base management advice, Noting that in recent years new fisheries have started without adequate ...

   Conservation Measure : 21-01 (2009)

9. Preliminary model of krill fishery behaviour in Subarea 48.1

   Elephant Islands in alternate years would result in an average yearly catch similar to that at present ... during alternate years. File:  06agnew-marin.pdf ... Livingston and Elephant Islands in alternate years would result in an average yearly catch similar to that ... in Table 1 varied considerably, an approximate mean CV of 0.4 was used for all squares for these ... Elephant Islands, the two major fishing areas, in alternate years. Closures were modelled by ... two major fisheries in the area. Catches by a single Chilean vessel for February, the only month in ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 71–79 : Autor(es): Agnew, D.J. and V.H. Marín

10. A review of the effectiveness of streamer lines as a seabird by-catch mitigation technique in longline fisheries and CCAMLR streamer line requirements

    large degree on the precedent set by CCAMLR in 1991, the streamer line has become the primary, and most ... light of a review of existing literature and available data on the effectiveness of single and paired ... object be deployed windward of the hookline; and recommending that fishers deploy a minimum of two ... streamer lines on a voluntary basis according to performance and material standards. Based on the ... November 2002 (Table 1). Streamer lines had an aerial extent of 30 to 70 m depending on sea state ... line: UW IW-50 Two streamer lines: IW-50+Cannon 10 20 30 40 50 ... 100% compared to a control of no deter- rent over two years in the sablefi sh and Pacifi c cod fi ... collection on single streamer lines was limited and opportunistic in that it took place on two occasions ...

    Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 189–201 : Autor(es): Melvin, E.F., B. Sullivan, G. Robertson and B. Wienecke

Páginas