Boonchai Stensholt

Forsker
Telefon: 94885987
Avdeling: Bunnfisk 2110

Arbeider med

Application of time series analysis, spatial data analysis, multivariate analysis on fisheries and environmental data.

Curriculum Vitae

1989-1995 Marine Mammal division
1995-2003 Demersal Fish division
2003-2006 Forskning group 2 the Ecosystem of the Norwegian Sea, the North Sea
Pellagic Fish Division
2006- 2013 Research group Barents Sea Ecosystem Demersal Fish division

Present position:
Senior Scientist (Forsker 1110) at Institute of Marine Research, Bergen, Norway.

Education and degrees:
BEd (1975) honours degree in teaching science and mathematics from Chulalongkorn University, Bangkok, Thailand.
MS (1979) interdisciplinary degree between Mathematics and Education from the University of Oregon, USA.
MA (1981) in Mathematics from University of Oregon, USA.
PhD (1990) in Statistics (On the theory of multivariate bilinear time series models) from University of Manchester Institute of Science and Technology, UK.

Short training course
During the work I have participate in several short courses.
Several short courses on Geostatistics both linear and non linear at Geovariances Fontainbluae, France.
Multivariate analysis by Highland Statistics, Scotland.
Causal inference in statistics  at university of Oslo
GIS and R at Norge Handelhøyskole
One week course arranged by ICES on
Fish stock assessment introduction, 2010
Fish stock assessment advanced, 2010
Ecosystem Modelling for Fishery Management, 2010
Several short courses at arrange at HI e.g. R language, LSSS, Writing article, statistics, excel, etc.

Mathematics and Statistics online courses 2012-2013
Various Mathematics courses offer over the webpage by Mathematics department, MIT, USA.
Quantum Mechanics and Quantum Computation offer by University of California, Berkeley, USA through website coursera.org. Obtain certificate.
Introduction to Sustainability offered by U of Illinois at Urbana-Champaign, USA through courser.org website. Obtain Quiz Achievement Badge
Several courses at courcera.org website e.g.
Introduction to Mathematical thinking,
Mathematical Biostatistics, Computiong for data analysis, Data Analysis offer by John Hopkins University, USA.

Awards:
Academic achievement scholarship, 1972-1975, from Chulalongkorn University, Thailand.
Academic achievement scholarship, 1979-1980, from Foreign student organization, University of Oregon, USA.
NAVF doktorgradsstipend, 1986-1988.

Work:
Teaching mathematics and working in the administration at private college, Bangkok Thailand, 1975-1976.
Teaching assistant at Mathematics department, University of Oregon, 1980-1981.
Teaching assistant at Mathematics department, University of Bergen, 1985.
NAVF doktorgradsstipend, 1986-1988.
Visiting scholar at University of Wisconsin, 1988.
Statistician at NYCOMED As Oslo Norway, 1989.
Permanent Research scientist at Institute of Marine Research, Bergen, Norway since 1989. The position was advertised for a scientist working on the application of mathematics and statistics in the field of fishery science and marine mammal.
Visiting Researcher at the University of Washington, 1992.
Promote to be in position of Senior Researcher in 2003.
I have refereed articles for SARSIA, ICES Journal of Marine Science, the Canadian Journal of Fisheries & Aquatic Sciences, Journal of FishBiology, Proceedings of the 6th International Symposium on Flatfish Ecology, and Proceeding for the international symposium on GIS / Spatial analyses in Fishery and Aquatic Sciences.
Appoint to be in the award committee at the international symposium on GIS / Spatial analyses in Fishery and Aquatic Sciences, Shanghai, China, August 2005.
Representative of Association of Thai professional in Europe to the meeting arrange by Minister of Science and technology, Thailand to create network between Thai professional in Thailand and Europe with European professional institutions, June 2009.

Refereed publications 1-14:

PhD work:
[1] Stensholt, B.K. and Tjøstheim, D. 1987. Multiple Bilinear Time Series, Journal of Time Series Analysis 8, p. 221-233.
[2] Stensholt, B.K. On the theory of multivariate bilinear time series models. PhD. Thesis, Department of Mathematics, UMIST, 1989, 400pp.

Mathematics education:
[3] Stensholt, B.K.  and Stensholt, E. 1988. Invertible points of time, Mathematics Teacher 81, n. 4, 304-305.

Mathematics:
[4] Stensholt, E and Stensholt, B.K. 1992. On rational doubly stochastic matrices. Linear Algebra and Its Applications, vol. 164, p. 790-797. [Design and analysis of an error correcting code]

Marine mammals:
[5] Christensen, I., Stensholt, B.K., Ulltang, Ø and Volden, R. 1991. Review of catch and effort in the Norwegian coastal minke whaling in the Vestfjord area, 1946-1983, Rep.int.Whal. Commn 41:385-391. [Time series analysis of catch and effort]
[6] Estep, K.W., MacIntyre, F., Noji, T., Stensholt, B.K. and Øritsland, T. 1994. Seal Size and Habitat Conditions Assessed from Aerial Photography and Video Analysis. ICES J. of Marine Science, 51:253-261. [Image analysis]

Time series and Spatial data analysis of Fishery and environmental data:

[7] Aglen, A., Engås, A., Huse, I., Michalsen, K., and Stensholt, B. 1999. How vertical fish distribution may affect survey results. ICES Journal of Marine Science, 56: 345-360.
[8] Stensholt, E. and Stensholt, B.K. 1999. Fish movement vectors and the temperature gradient: A geometric analysis method for the depth-temperature time series from data storage tags. ICES Journal of Marine Science, 56:537-544.
[9] Stensholt, B.K. 2001. Cod migration patterns in relation to temperature: analysis of storage tag data. ICES Journal of Marine Science, 58: 770-793.
[10] Stensholt, B. and Nakken, O. 2001. Environmental factors, spatial density and size distributions of 0-group fish. G. H. Kruse et al. (Eds.) Proceeding of the symposium on Spatial Processes and Management of Marine Populations, Oct 27-30, 1999, Anchorage Alaska, USA. p. 395-413.
[11] Torrissen, K.R. and Stensholt, B.K. 2001. Spatial distribution of Atlantic salmon postsmolts: Association between genetic differences in trypsin isozymes and environmental variables. Proceeding of the symposium on Spatial Processes and Management of Marine Populations, Oct 27-30, 1999, Anchorage Alaska, USA. p. 415-429.
[12] Stensholt, B., Aglen, A., Mehl, S., and Stensholt, E. 2002. Vertical density distributions of fish, a balance between environmental and physiological limitation. ICES Journal of Marine Science, 59, 679-710.
[13] Stensholt, B. K., Stensholt, E. 2005. Geographical variation in the vertical distribution of cod (Gadus morhua L.) and availability to survey gears. Pp. 109-126 In Nishida, T., Kailola, P.J., Hollingworth, C.E. (Eds.)  GIS/Spatial Analyses in Fishery and Aquatic Sciences (Volume 2). Proceedings of the Second International Symposium on GIS/Spatial Analyses in Fishery and Aquatic Sciences (University of Sussex, Brighton, UK: 2-6 September 2002). Fishery/Aquatic GIS Research Group, Japan.
[14] Stensholt, B. K. and Høines, Å. 2007. Locating dynamical processes of fish movement in a temperature field. In Proceedings of the Third International Symposium on GIS/Spatial Analyses in Fishery and Aquatic Sciences, August 2005. T. Nishida, P.J. Kailola and C.E. Hollingworth (Editors). Fishery and Aquatic GIS Research Group, Saitama, Japan. pp 129-146.

Other articles and posters:
[15] Stensholt, B.K. 1991. Multivariate Bilinear Time Series Model: an alternative model in population dynamics. Presented at the Resource modelling Assoiation Conference, Baecelona, Spain.
[16] Christensen, I. and Stensholt, B.K. 1993. Weights of meat and Blubber flensed from Minke Whales in Northeast Atlantic. Int. Whal. Commn Sci. Commn. Pap., 44 (NABS) Resume 1993 in Rep. Int. Whal. Commn. Resume seection.
[17] Stensholt, B.K. and Sunnanå, K. 1996. Spatial distributions of variables in marine environmental and fisheries research: Geostatistics and autocorrelated environmental and fisheries data. ICES Annual Science Conference, Reykjavik, Iceland 27.Sept-1.Oct 1996. 27pp.
[18] Stensholt, B.K. and Nakken O. 1998. Spatial density and size distributions of 0-group fish in relation to environmental factors. ICES Annual Science Conference, Cascais, Portugal, 16-19 September 1998, 20 pp.
[19] Stensholt, B.K. 1998. Detecting diurnal and tidal cycles and location in cod movement through the time series analysis of data storage tags. Intern Notat, Institute of Marine Research, Bergen Norway, 20pp.
[20] Stensholt, E. and Stensholt, B.K. 1998. Detecting fish movement and location using depth and temperature time series from data storage tags, Discussion paper 8, Institutt for foretaksøkonomi, Norwegian School of Economics and Business Administration.
[21] Stensholt, E. and Stensholt, B.K. 1999. Analytical method for the depth-tempera-ture-salinity time series from data storage tags. Poster and manuscript presented at the Symposium Spatial Process and Management of Fish Population, Anchorage Alaska October 27-30, 1999.
[22] Stensholt, B.K. 2000. Multivariate Bilinear Time Series Model: an alternative model in population dynamics. Fisken og Havet nr1-2000, 7pp.
[23] Stensholt, B.K., Michaelsen, K., and Godø, O.R. 2000. Behavioural rhythm of cod during migration in the Barents Sea. ICES Annual Science Conference, 27-30 September 2000.  CM 2000/K:34, 30pp.
[24] Stensholt, B., Aglen, A., Mehl, S., and Stensholt, E. 2001. Spatial density distributions of fish, a balance between environmental and physiological limitation. ICES Annual Science Conference, 2001, CM 2001/Q:24, 49pp.
[25] Stensholt, B.K. and Stensholt, E. 2002. Cod vertical distribution from acoustic and storage tag data in terms of free vertical range. Poster  presented at the Symposium on Acoustics and Fisheries and Aquatic Ecology, 10-14 June 2002, Montpellier, France.
[26] Stensholt, B.K. and Stensholt, E. 2002. Cod vertical distribution from acoustic and storage tag data in terms of free vertical range. Manuscript published in the Symposium CD, paper no. 198 on Acoustics and Fisheries and Aquatic Ecology, 10-14 June 2002, Montpellier, France. 43pp.
[27] Stensholt, B.K. and Stensholt, E. 2002. Geographical variation in the vertical distribution of cod and availability to survey gears. International symposium on GIS: Spatial analyses in Fishery and Aquatic Sciences, September 3-6, 2002.
[28] Stensholt, B.K. 2003. On causes and effects of variation in fish vertical distribution expressed in terms of the free vertical range. Physiology symposium at AFS's Annual Meeting in Quebec City Aug-2003.
[29] Stensholt, B.K., Høines, Å., and Albert, O.T. 2005. Depth-Temperature time series of individual Northeast Arctic Greenland Halibut: what they inform. Meeting in Arkhangelsk, Russia. 14-18 March, 2005.
[30] Stensholt, B.K. 2005 Spatial and temporal data analysis: An application in marine science. ATPER - MOST conference on 23-24 April, Oslo Norway. [17] Stensholt, B.K. and Stensholt, E. 2005. Multivariate bilinear time series: a stochastic alternative in population dynamics. Poster presented at European Geosciences Union: Nonlinearity, stochasticity and complexity in aquatic ecosystems; Coupling biogeochemistry and ecology to fluid dynamics in aquatic ecosystems. Vienna, Austria, 24-29 April 2005.
[31] Stensholt, B.K. 2005. Availability of fish to survey gears under variable environmental conditions. The 3rd international symposium on GIS: Spatial analyses in Fishery and Aquatic Sciences, 22-26 August 2005, Shanghai, China.
[32] Stensholt, B.K. , Høines, Å., and O. T. Albert 2005. Seasonal and daily migrations of Greenland halibut (Reinhardtius hippoglossoides) determined from depth and temperature loggers. Sixth International Symposium on Flatfish Ecology Habitats in relation to recruitment variability-Generation of future direction. Maizuru, Kyoto, Japan, 20-25 October 2005.
[33] Stensholt, B.K. 2005 Spatial and temporal data analysis in fisheries and environmental science. ATPER - MOST conference on 27-28 October 2005, Bangkok, Thailand.
[34] Stensholt, B.K., Høines, Å., Kasajima, Y. 2006. Fish migration in oscillating stratified water masses. ATPER - MOST conference on 29-30 April 2006, Bonn, Germany.[22] Stensholt, B.K., Høines, Å., Kasajima, Y. 2006. Fish migration in oscillating stratified water masses. ICES Annual Science Conference, 19-23 September, 2006.
[35] Stensholt, B.K., Høines, Å., Kasajima, Y. 2006. Fish migration in synchronize with tidal motions. Pelagic Torsdag HI August 2006.
[36] Stensholt, B.K. 2007. Spatial and temporal data analysis methods. Lecture at IMR, April 13, 2007.
[37] Stensholt, B.K. 2007. Spatial and temporal data analysis methods. Lecture at Prince of Songkla University, May 8, 2007.
[38] Stensholt, BK. 2009. Geostatistics and its applications. One month invitation lecture at King Mongkut university, Bangkok, Thailand.
[39] Stensholt, BK. 2009. Geostatistics and its applications. One week invitation lecture at Andaman Sea Marine Fisheries Research and Development Center, Phuket, Thailand.
[40] Stensholt, BK. 2009. Geostatistics and its applications. Invitation lecture at Thumasart university, Pathum Thani, Thailand.
[41] Stensholt, BK. 2011. Migration in the fronts, patterns from Data Storage Tag records. Submitted to the international refereed journal. Rejected.

Activities in 2008
Invitation from ATPER to attend meeting in Helsinki, Finland and Bangkok Thailand for discussion on creation of joint scientific project with institution in Thailand.
Invitation from MaeJo University, Thailand for scientific discussion on the application of Spatial and Temporal data analysis and presentation of the published articles.
Invitation from Fishery Department, Thailand and from Applied Statistics department, King Mongkut’s University, Thailand to lecture on Spatial and Temporal data analysis, Multivariate Analysis. This was held in spring 2009.

Main research Topics:
Application of Time Series Analysis and Spatial Data Analysis to study the relationship of marine fish and environmental variables.
At present work in research division Demersal fish on the Ecosystem of the Barents Sea project.

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