Résultats de la recherche
-
Revised reports on abundance and biological information on toothfish in Division 58.4.4 a and b by Shinsei Maru No. 3 in 2010/11 season
longline vessel, Shinsei Maru No. 3, from March 30 to May 2, 2011. This report described the results during ... Abstract: A survey was conducted in order to collect information for the stock status and various ... the survey in two SSRUs (B & C) of Ob Lena Bank. Total catch (excluding fish released alive) of ... Dissostichus eleginoides and other by-catch species was 37.8 tonnes in the survey area in 70 longline sets. D ...
Meeting Document : WG-FSA-11/14 : Auteur(s): K. Taki, T. Iwami and M. Kiyota (Japan)
-
RESEARCH PLAN FOR TOOTHFISH BY SHINSEI MARU NO. 3 IN 2008/09
No.3, in 07/08 season covering the whole SSRUs (Small Scale Research Units). In the course of this ... Abstract: A proposal to undertake scientific research in CCAMLR Subarea 58.4.4 over the 2008-2009 ... seasons is introduced. The first survey has been undertaken by a commercial fishing vessel, Shinsei Maru ... composition of toothfish, and by-catch species, has been obtained. However, the information obtained by just ...
Meeting Document : WG-FSA-08/39 : Auteur(s): Delegation of Japan
-
Reports on biological information of toothfish with special reference to bycatch, depredation and spawning dynamics in Division 58.4.4 a & b by Shinsei maru No. 3 during 2008–14 seasons
Abstract: This report arranged the biological information with special reference to bycatch ... , depredation and spawning dynamics in Division 58.4.4 a & b during 2008-14 seasons in response to the ... recommendations in the last WG-SAM meeting and their related issues. D. eleginoides (TOP) was highest both in ... weight and number, accounting for 93% and 76% of the total catch, respectively, among total of 16 species ...
Meeting Document : WG-FSA-15/21 : Auteur(s): K. Taki and T. Ichii (Japan)
-
Reports on abundance and biological information on toothfish in Divisions 58.4.4a and 58.4.4b by Shinsei Maru No. 3 in 2011/12 season
longline vessel, Shinsei Maru No. 3, from April 15 to May 19, 2012. This report described the results ... Abstract: A survey was conducted in order to collect information for the stock status and various ... during the survey in two SSRUs (B & C) of Ob Lena Bank. Total catch (excluding tagged and released ... fish) of Dissostichus eleginoides was 28.3 tonnes in the survey area in 70 longline sets, contributing ...
Meeting Document : WG-SAM-12/16 : Auteur(s): K. Taki, T. Iwami, M. Kiyota and T. Ichii (Japan)
-
Revised research plan for toothfish in Division 58.4.4 a and b by Shinsei Maru No. 3 in 2011/12
Abstract: A tagging survey in SSRUs B and C in Division 58.4.4 a & b was initiated in the ... 2010/11 fishing season with the aims of providing the data required for assessments of the population ... structure, size, movement and growth of Dissostichus spp. in the centred area of Division 58.4.4 a & b ... . An approximate stock biomass level of Dissostichus spp. in the survey area (SSRUs B and C in Division ...
Meeting Document : WG-FSA-11/15 Rev. 1 : Auteur(s): K. Taki, T. Iwami and M. Kiyota (Japan)
-
Research plan for toothfish in Divisions 58.4.4a and b by Shinsei Maru No. 3 in 2011/12
Abstract: A tagging survey in SSRUs B and C in Division 58.4.4 a & b was initiated in the ... 2010/11 fishing season with the aims of providing the data required for assessments of the population ... structure, size, movement and growth of Dissostichus spp. in the centered area of Division 58.4.4 a & b ... . In the 2010/11 a total of 189 D. eleginoides were tagged and released in SSRUs B and C. Four tagged D ...
Meeting Document : WG-SAM-11/07 : Auteur(s): Delegation of Japan
-
REVISED RESEARCH PLAN FOR TOOTHFISH IN DIVISION 58.4.4A and B BY SHINSEI MARU NO. 3 IN 2009/10
Abstract: The plan submitted to the WG-SAM-09 (Document 09/11) for fishing surveys on stock ... according to the recommendations of the working group. The working group recommended the consecutive ... better understood. We recalculated the necessary sample size as 120,000 kg for Dissostichus spp. for this ... division that includes 4 SSRUs, taking into account the conservative exploitation rate (less than 3.8 % of ...
Meeting Document : WG-FSA-09/12 : Auteur(s): Delegation of Japan
-
RESEARCH PLAN FOR TOOTHFISH IN DIVISION 58.4.4a & b BY SHINSEI MARU NO. 3 IN 2009/10
longitude grid points (spaced approximately 10 nautical miles apart). Almost all of the research hauls are ... employed for 93 research hauls (three quarters of the total) in order to make an evaluation of the stock ... status and biological characteristics of Dissostichus spp. with the information collected by the Trot ... line system in the same Division in 2007/08. The applied methodology is also considered to maintain the ...
Meeting Document : WG-SAM-09/11 : Auteur(s): Delegation of Japan
-
Revised research plan for toothfish in Divisions 58.4.4 a and 58.4.4b by Shinsei maru No. 3 in 2012/13
Abstract: A tagging survey in SSRUs B and C in Division 58.4.4 a & b was conducted in the ... 2011/12 fishing season with the aims of providing the data required for assessments of the population ... structure, size, movement and growth of Dissostichus spp. in the centred area of Division 58.4.4 a & b ... . An approximate stock biomass level of Dissostichus spp. in the survey area was tentatively estimated ...
Meeting Document : WG-FSA-12/58 Rev. 1 : Auteur(s): Delegation of Japan
-
Revised research plan for toothfish in Division 58.4.4b by Shinsei maru No. 3 in 2015/16
. We reset the revised research blocs drawn along the outer margin of grids because the previous block ... had not contained the eastern grids accurately, and recalculated the sea bed area sizes (600-1 800 m ... ) using the same GIS software (GEBCO_08 Grid, version 20100927) as the latest CCAMLR Statistical Bulletin ... . The estimated stock size in block 58.4.4b_1 was 510, 336 and 333 tonnes in CPUE analogy method ...
Meeting Document : WG-FSA-15/20 : Auteur(s): Delegation of Japan