Resultados de la búsqueda
-
A von Bertalanffy growth model for toothfish at Heard Island fitted to length-at-age data and compared to observed growth from mark–recapture studies
Paper Title: A von Bertalanffy growth model for toothfish at Heard Island fitted to length-at-age ... data for Patagonian toothfish (Dissostichus eleginoides) at Heard Island (Division 58.5.2) were fitted ... aged. Subsampling of random lengthfrequency (LF) data used to obtain the samples of fish for ageing ... definition of the likelihood function based on variable probability (VP) sampling due to the prespecified ... throw doubt on predic- tions for ages above 5 years; however, it is not the estimation method that is ... – 20 year range. This translated to larger predictions for the MLPLB-fi tted curve for ages below 5 ... immigration), is an important com- ponent of the assessment approach for the HIMI fi sheries (Division 58.5.2 ... unit selection due to fi shing (i.e. selectivity) does not depend on length. However, if, for a ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 43–66 : Autor(es): Candy, S.G., A.J. Constable, T. Lamb and R. Williams
-
Outline for year 3 of the 3-year longline survey to determine toothfish population connectivity between Subareas 48.2 and 48.4
collection and two-year data analysis plan leading towards the development of a stock hypothesis for the ... third and final year of an agreed 3-year longline survey, in the wider context of connecting the ... Title: Outline for year 3 of the 3-year longline survey to determine toothfish population connectivity ... Abstract: This paper outlines the specific research objectives and plan to achieve them for the ...
Meeting Document : WG-FSA-18/31 : Autor(es): G. Robson, P. Hollyman and C. Darby
-
A updated population status model for the Patagonian toothfish, Dissostichus eleginoides, at Kerguelen Islands (Division 58.5.1) using CASAL
Islands (CCAMLR Division 58.5.1) was undertaken using the modelling software CASAL, based on different ... fishery is modeled using separate fishing selectivity functions depending on the fishing zone and the type ... of fishing vessels (trawlers, longliners). The fishing zone for the longliners is divided into four ... zones (North, East, South, Skiff Bank) and into two depth zones: shallow < 1,500m; deep > 1,500m ...
Meeting Document : WG-FSA-12/09 : Autor(es): A. Rélot-Stirnemann (France)
-
Conditions for the precise measurement of fish target strength in situ
studied and two indexes are introduced for this purpose. One is the number of fish in the effective ... Abstract: Conditions for precise measurement of in situ fish target strength (TS) are empirically ... calibration between Japanese and U.S. vessels on 15 and 16 August 1991. Published in J.Mar.Acoust.Soc. Author ... (s): K. Sawada and M. Furusawa (Japan), N.J. Williamson (USA) Title: Conditions for the precise ...
Meeting Document : WG-Krill-94/35 : Autor(es): K. Sawada and M. Furusawa (Japan), N.J. Williamson (USA)
-
Temporal scales of foraging in a marine predator: implications for interpreting the distribution of prey
the surface, the time taken for a fur seal to locate a new patch after leaving an old one is an ... primarily on krill, which is patchily distributed. When combined with information about swimming speed on ... showed that fur seals foraged at two spatial distributions: (1) a fine-scale (median distance 0.18- 0.27 ... km) represented by short (5 rain) travel durations. In a study lasting 5 years, the distributions of ...
Meeting Document : WG-EMM-95/23 : Autor(es): Boyd, I.L.
-
Review of the efficacy of the early season extension in the Patagonian toothfish fishery in Subarea 48.3 and proposal for further season extension
further conditional extensions, such that the season could start on the 16th April in 2012 and April 11th ... brought forward to the 16th April and that a further two trial extensions (each of 5 days) be allowed ... extension in the Patagonian toothfish fishery in Subarea 48.3 and proposal for further season extension ...
Meeting Document : WG-FSA-13/32 : Autor(es): M.A. Collins and K. Ross (United Kingdom)
-
Research plan for toothfish in Divisions 58.4.4a and b by Shinsei Maru No. 3 in 2011/12
2010/11 fishing season with the aims of providing the data required for assessments of the population ... . eleginoides, of which two fish were tagged and released in SSRU C during the 2007/08 and 2009/10 preliminary ... survey design as in the 2010/11. A total of 71 research hauls will be allocated in the same locations on ... northeast of SSRU B instead of an unconducted haul in the 2010/11. To apply mark-and recapture studies ...
Meeting Document : WG-SAM-11/07 : Autor(es): Delegation of Japan
-
RESEARCH PLAN FOR TOOTHFISH IN DIVISION 58.4.4a & b BY SHINSEI MARU NO. 3 IN 2009/10
Division 58.4.4 a & b, a total of 124 research hauls are allocated on 10-minute latitude x 20-minute ... employed for 93 research hauls (three quarters of the total) in order to make an evaluation of the stock ... the need for completion of the proposed survey (124 research hauls) and impacts on the stock ... consistency of the data from the two serial survey seasons, 2008/09 and 2009/10, and lead the efficient ...
Meeting Document : WG-SAM-09/11 : Autor(es): Delegation of Japan
-
Revised research plan for toothfish in Divisions 58.4.4a and 58.4.4b by the Shinsei Maru No. 3 in 2010/11
the 2010/11 survey, taking into account the need for completion of the survey and impact on the fish ... . In Division 58.4.4 a & b, we proposed the research plan for toothfish in the Division by Shinsei ... , following advice taken in WG-SAM 2010 meeting that research should concentrate effort on a subset of the ... research plan to be concentrated in the two centered SSRUs, B and C. These centered SSRUs were selected due ...
Meeting Document : WG-FSA-10/49 : Autor(es): Delegation of Japan
-
Estimates of sustainable yield for 50 data-poor stocks in the Pacific coast groundfish fishery management plan
of sustainable yield for many these species were previously based on undocumented, ad-hoc analyses ... . We present estimates of sustainable yield for 50 of these stocks using two recently developed models ... requires Regional Fishery Management Councils to set annual catch limits for all stocks or stock complexes ... designed to inform management of data-poor stocks. These models rely on recently reconstructed time series ...
Meeting Document : WG-SAM-11/P1 : Autor(es): E.J. Dick and A.D. McCall