Résultats de la recherche

1. An alternative method for estimating the level of illegal fishing using simulated scaling methods on detected effort

   example 80%) File:  08ball.pdf ... is patrolling the region. Vessel Starting date Ending date One 30 44 Two 60 74 Three 90 104 ... 20 Vessels. Evasion 0.2 E st im at ed d ay s fis he d 300 400 500 600 700 800 900 Actual ... days fished 200 400 600 800 1000 E st im at ed d ay s fis he d 20 Vessels. Evasion 0.5 ... Actual days fi shed 5 illegal cruises 10 illegal cruises 20 illegal cruises E st im at ed d ay s ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 143–161 : Auteur(s): Ball, I

2. Report on a tuna long-lining fishing voyage aboard Southern Venture to observe seabird by-catch problems

   under thick cloud. Most bait-takes occurred in daylight, particularly before dusk. The vessel's ... as it was deployed, were observed during 8-days' fishing of a New Zealand-owned tuna long-liner ... which 3 were released alive, and one Black-browed Mollymawk D. melanophrys impavida. Relatively more ... (0.2711000 hooks set) is similar to that in the only other two reported studies. Seabirds scavenged ...

   Meeting Document : WG-IMALF-94/10 : Auteur(s): M.J. Imber (New Zealand)

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

   krill which are used in models to estimate sustainable yield in Area 48. The survey design includes two ... large-scale oceanic strata: one in the southwest Atlantic located in the Scotia Sea, and the other to ... will take several years and will result in a significant increase in the knowledge of krill length ... estimate sustainable yield in Area 48. The survey design includes two large-scale oceanic strata: one in ... required to sample two stations, one station would be sampled around local midnight, the other around ... Limit of Grid of Grid Northern Southern Western Eastern Scotia Sea 62'5, 40°W 0" 49"s 62"s 56"W 20°W ... Parallel 2 Meridian Projection Shift Scotia Sea WGS84 Metres 54"30'S 59"30fS 40°W 62"W 0, 0 Antarctic ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 1–23 : Auteur(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

4. SC-CAMLR-38

   European Union CCAMLR-38/20 Proposal to designate a newly-exposed marine area adjacent to Pine Island ... 2018/19 season Delegation of the Russian Federation SC-CAMLR-38/03 Report of the Working Group on ... (Bergen, Norway, 26 to 30 August 2019) SC-CAMLR-38/07 CCAMLR Science – Proposal for a special volume on ... estimating two-hour catches on vessels conducting continuous krill trawling and proposal for adding the ...

   Meeting

5. CCAMLR-II

   Chairman's Informal Consultations) CCAMLR-II/INF. 1 Annotated Agenda- Commission CCAMLR-II/INF. 2 List ... -II/12 Amendment to the Commission’s Rules of Procedure (As adopted by the Commission on 30 August ... Full Name:  Second Meeting of the Commission Location:  Hobart, Australia Date(s):  Monday, 29 ... Article XXIII of the Convention Executive Secretary CCAMLR-II/08 CCAMLR Representation a t Meetings of ...

   Meeting

6. SG-ASAM-18

   ):  Monday, 30 April 2018 to Friday, 4 May 2018 Chair / Convener:  Dr Xianyong Zhao (China) Support:  Dr ... Keith Reid Submissions Due:  Monday, 16 April 2018 Meeting documents Doc Number Title SG-ASAM-18/01 ... Comparing two and three frequency dB window identification techniques for estimating Antarctic krill density ... Antarctic krill in CCAMLR Division 58.4.1 during 2018/19 season by the Japanese survey vessel, Kaiyo-maru K ...

   Meeting

7. Estimation of effective sample size for catch-at-age and catch-at-length data using simulated data from the Dirichlet-multinomial distribution

   model in predicting class/bin by year frequencies is used to obtain a single, across-years, over ... random variation across years in one of the selectivity function parameters and similarly for the ... year is important for such assessments, and this issue is studied using simulation. Between-haul ... heterogeneity within fishing year was simulated using samples from the Dirichlet-multinomial (D-M) distribution ... externally via the above method and aver- aged across years to give an updated estimate of n’. This two-step ... centred year value obtained from the integer values of year, y, so that for a 20-year simulation period ... year of the 20-year simulation period to 8.12 for the last year with a value at year 10.5 of 7. For ... to 0.1544 by year 20 with a value of 0.13 at year 10.5 and recruitment was also varied lin- early ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 115–138 : Auteur(s): Candy, S.G

8. REVISED RESEARCH PLAN FOR TOOTHFISH IN DIVISION 58.4.4A and B BY SHINSEI MARU NO. 3 IN 2009/10

   various properties of the two gears. Author(s):  Delegation of Japan Title:  REVISED RESEARCH PLAN FOR ... research hauls are allocated on 10-minute latitude x 20-minute longitude grid points, taking into account ... segments of Trot line system and Spanish line system respectively within one fishing line, will be used in ... research focusing on tagging program for a period of 3-5 years to estimate current stock size accurately ...

   Meeting Document : WG-FSA-09/12 : Auteur(s): Delegation of Japan

9. Estimates of fish stock biomass around South Georgia in January/February 1985

   reduction in stock size to 10 – 20% of that estimated before the onset of heavy fishing. In C. gunnari the ... fishery is dependant on the abundance of the recruiting year class. Conservation measures adopted by ... recruitment of one or two abundant year - 9 - classes. The dependance of the fishery on the a bund ance ... & BUREAU, 1984, table 50). 3.4 Champsocephalus gunnari Except for one haul yield i ng 1. 4 t/30 min ... were seen domi na ted by 3 years old. fish (age class II) which is presumably the recruit i ng year ... catche s (fig. 13). fa 1975/76 and 1977/78 catches consisted mostly of individuals of 50-80 cm. Stock ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 1-32 : Auteur(s): Kock, K.-H.

10. Beyond MSY: a consideration of definitions of management objectives

    Article II of the CCAMLR Convention. The criteria will depend on whether the main concern is with ... yield that can be sustained is one corresponding to full exploitation of the weaker year-classes ... be met by taking an amount R-S t' so that the escapement (i.e. recruitment op less catch) will ... natural mortality coefficients, and as function of the two main characteristics of the fishery - the age ... nominal effort each year, based on the values of F and fishing effort in the most recent years. Since ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 299-322 : Auteur(s): Gulland, J.A.

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