SAITO Yutaka

J-GLOBAL         Last updated: Dec 27, 2012 at 11:03
 
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Name
SAITO Yutaka
URL
http://www.agr.hokudai.ac.jp/ecosys/depes.html
Affiliation
Hokkaido University
Section
Graduate School of Agriculture Research Faculty of Agriculture, Division of Bioresources and Product Science, Research Group of Ecology and Systematics
Job title
Professor
Degree
Doctor (Agriculture): June 1978, Hokkaido University(Hokkaido University)

Research Interests

 
 

Research Areas

 
 

Academic & Professional Experience

 
1978
 - 
1979
 Researcher,JSP research fellow: Assistant Professor: June 1981 (Faculty of Agriculture, Hokkaido University)Associate Professor: February 1993 (Faculty of Agriculture, Hokkaido University
 
1981
 - 
1993
 Research Associate
 
1993
 - 
1996
 Associate Professor
 
1996
   
 
- Professor
 
1999
   
 
- Professor
 

Awards & Honors

 
Aug 1995
Applied Entomology and Zoology Award, Japanese Society of Applied Entomology and Zoology
 
Nov 2004
Honorary Professor, Fujian Academy of Sciences, China
 

Published Papers

 
Saito Y, Kanazawa M, Sato Y
Experimental & applied acarology      Dec 2012   [Refereed]
Katsura Ito*, Nanako Yokoyama, Yoshimasa Kumekawa, Hiroshi Hayakawa, Yukio Minamiya, Kazuhide Nakaishi, Tatsuya Fukuda, Ryo Arakawa & Yutaka Saito
Entomologia Experimentalis et Applicata   144(2) 202-208   2012   [Refereed]
Saito Y, Chittenden AR, Kanazawa M
Experimental & applied acarology   55 249-258   Nov 2011   [Refereed]
Kanazawa M, Sahara K, Saito Y
Proceedings. Biological sciences / The Royal Society   278(1712) 1653-1660   Jun 2011   [Refereed]
Mori K, Saito Y, Sakagami T, Sahara K
Experimental & applied acarology   36 15-23   2005   [Refereed]
Do kin selection and intra-sexual selection operate in spider mites?
Saito Y
Experimental & applied acarology   24 351-363   2000   [Refereed]
Yutaka Sato, Kotaro Mori, Anthony R. Chittenden
Applied Entomology and Zoology   34(3) 383-386   1999   [Refereed]
Two clinal trends in male-male aggressiveness in a subsocial spider mite. Behavioral Ecology and Sociobiology
46 25-29   1999   [Refereed]

Misc

 
Colored guide to the plant mites of Japan.
Zenkoku Noson Kyoiku Kyokai      2009
Perspectives of Sustainable Food Production Systems in Northern Regions.
Energy and Resources   30 108-112   2009

Research Grants & Projects

 
JSPS: Gran-in Aid for Scientific Research
Project Year: Apr 2009 - Mar 2012    Investigator(s): SAITO Yutaka
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(B))
Project Year: 2008 - 2011    Investigator(s): Yutaka SAITO
(抄録なし)
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(B))
Project Year: 2005 - 2007    Investigator(s): Yutaka SAITO
On gramineous plants, it has been know that there is complex plant mite fauna. Especially, on Sasa bamboo in Hokkaido region, 9 species of spider mites and 7 species of predacious mites were sympatrically distributed. Why there is so much diversif...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(A))
Project Year: 2004 - 2007    Investigator(s): Shunsuke F. MAWATARI
Only after we know the biodiversity on Earth, it will be possible to protect the biodiversity, to solve the environmental problem, and to ensure the sustainability of human life. Nobody, however, at present could answer the question "How is the bi...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(B))
Project Year: 2001 - 2003    Investigator(s): Yutaka SAITO
In this project we have attempted to rearrange the taxonomy of mite species inhabiting Graminidae in southeast Asia in relation to Japanese fauna. Several surveys conducted in China and Thailand revealaled that there is a typical spider mite group...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(B))
Project Year: 2001 - 2002    Investigator(s): Sahara KEN
Lepidopteran insects have dimorphic sperm system, fertilizing eupyrene sperm and anucleate apyrene sperm. We found that polyploid male of Bombyx mori have only functional eupyrene. On the other hand the apyrene sperm is produced alone by heat-shoc...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(B))
Project Year: 2001 - 2002    Investigator(s): Yutaka SAITO
We studied on the factors which caused complex predator-prey systems in the nature from several behavioral view points. First we analyzed the phylogenies of the target species focused on and revealed that the species concerned are monophyletic. Ne...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(C))
Project Year: 1999 - 2000    Investigator(s): Yutaka SAITO
1999 : I conducted behavioral and morphological observations on Schizotetranychus miscanthi Saito which has subsocial life. I first established several morphological characters of S.miscanthi which reflect mite body size regardless of mounting met...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(A))
Project Year: 1997 - 1999    Investigator(s): Eiji KUNO
In this study project we analyzed the effects on domestic fauna of introduced biological control agents which have been utilized in agricultural pest management in Japan. The main results obtained are as follows :(1) We analyzed based on long-term...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(B))
Project Year: 1997 - 1998    Investigator(s): Yutaka SAITO
We determined from behavioral and ecological observations that there are two subspecies in Schizotetranychus miscanthi Saito which distributes in Japan. Next, we examined morphological characters of two spider mites species, in order to determine ...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(一般研究(B), 基盤研究(B))
Project Year: 1995 - 1996    Investigator(s): 斎藤 裕, Yutaka SAITO
First we conducted a field survey for Schizotetranychus miscanthi Saito in the districts along the Japan Sea, Honsyu Island. For the specimens collected from 18 populations, male aggressiveness was experimentally evaluated. Minimum daily temperatu...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(一般研究(C))
Project Year: 1993 - 1994    Investigator(s): 斎藤 裕, 齋藤 裕, 斎藤 裕, Yutaka SAITO
A simulation model of the interaction between phytoseiid predators and tetranychid prey by the use of a personal computer was developed in order to provide a manual of biological control in practical agricultural fields.The simulation model develo...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(国際学術研究)
Project Year: 1990 - 1992    Investigator(s): Sadao TAKAGI
1. Surveys were materialized in eastern Peninsular Malaysia, western Sarawak, northwestern Peninsular Malaysia, and Luzon Island, the Philippines, in 1990-1992 in succession to the preceding projects in central highlands of Peninsular Malaysia and...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(一般研究(C))
Project Year: 1990 - 1991    Investigator(s): 斎藤 裕, 齋藤 裕, 斎藤 裕, Yutaka SAITO
The mating system of a subsocial spider mite, Schizotetranychus miscanthi Sait6, which is closely related to Schizotetranychus longus Sait-6 was studied in comparison with that of S. longlis.Comparisons between nesting patterns of the two related ...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(総合研究(A))
Project Year: 1989 - 1991    Investigator(s): Hans MORI
A new system of mass producing a phytoseiid predator, Phytoseiulus persimilis was developed. One major advantage of the system was its compactness. In this system, the predators effectively increased without dispersion (Saito and Mori). Kuno analy...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(一般研究(A))
Project Year: 1988 - 1989    Investigator(s): Sadao TAKAGI
1. Scale insects. The male and female tests of some species of the family Diaspididae were observed in a scanning electron microscope, and their microstructures were compared with reference to corresponding secretory organs. Highly magnified tests...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(海外学術研究)
Project Year: 1987 - 1987    Investigator(s): Hans Mori
Preliminary studies have been finished on most of the material collected in Peninsular Malaysia in 1986 in connection with the project "Systematic and Ecological Surveys on some Plant-parasitic Microarthropods in Southeast Asia", and an outline of...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(一般研究(C))
Project Year: 1986 - 1987    Investigator(s): 斎藤 裕, Yutaka SAITO
Data on 4-year population dynamics of 6 species of spider mites and their natural enemies were inputed into the computer files. Based on these files, spatial and temporal dynamics of the prey and predators were analysed. In addition to these, beha...
Evidence of kin selection in animals. Ecological diversity of micro-arthoropod community.