Name

YAMANAKA, Takehiko (Senior Researcher)

Phone: +81-29-838-8183
E-mail: apple(a)affrc.go.jp (Please type by hand)

Education

B.A. Agriculture, The University of Tokyo, Japan 1995
M.S. Agriculture, The University of Tokyo, Japan 1997
Ph.D. Agriculture, The University of Tokyo, Japan 2000
Exchange visitor (Pos-Doc), The Pennsylvania State University (Working with Prof. Bjørnstad, http://www.ento.psu.edu/Personnel/Faculty/bjornstad.htm) 2005-2006

photograph

Research Activities & Interests

I'm a quantitative ecologist and basicallyan applied entomologist. I'm mainly working on the field data with statistical techniques and simulation models. My main subject is constructing "management" starategies for insect pupulations. My concept of "management" includes both conservation for desirable insects' communities and insect pest controls.

Forest pests sometimes outbreak in vast area. They cause serious damages for local biodiversity. On the other hand, they provide us a valuable opportunity to study the fair quality and quantity of spatio-temporal population dynamics in nature. I am constructing a full mechanistic simulation model and try to fit the model to the data in collaboration with Dr. Kagaya (FFPRI, http://www.ffpri.affrc.go.jp/en/) and with Dr. Liebhold (USDA Forest service, http://www.sandyliebhold.com/).

Currently I'm also elaborating a theoretical model which explores the role of a kin native species in the establishment of the invasive species. If the invading species can mate with a native species, producing viable hybrids, the presence of this native species may diminish Allee effects and thereby facilitate establishment. Dr. Nelson (Queen's Univ., http://post.queensu.ca/~nelsonw/Index.html), Dr. Yoshida (The Univ. Tokyo, http://park.itc.u-tokyo.ac.jp/yoshidalab/) and I are now planning a symposium "Population Models as a Virtual Experiment for Rapid Evolution" in Ecological Society of Japan (Ryukoku Univeristy).

Relevant publications

Yamanaka, T., Teshiba M, Tuda M, Tsutsumi T (in press) Possible use of synthetic aggregation pheromones to control Plautia stali (Hemiptera: Pentatomidae) in kaki persimmon orchards. Agricultural and Forest Entomology. (http://dx.doi.org/10.1111/j.1461-9563.2011.00521.x)
Kiyoshi T, Takahashi J, Yamanaka, T., Tanaka K, Hamasaki K, Tsuchida K, Tsubaki Y (2011) Taxonomic uncertainty of a highly endangered brook damselfly, Copera tokyoensis Asahina, 1948 (Odonata: Platycnemididae), revealed by the mitochondrial gene genealogy. Conservation Genetics 12: 845-849 (http://dx.doi.org/10.1007/s10592-011-0189-x)
Yamanaka, T., and Liebhold, A. M. (2009) Spatially implicit approaches to understand the manipulation of mating success for insect invasion management. Population Ecology: 427-444 (http://dx.doi.org/10.1007/s10144-009-0155-3)
Yamanaka, T., and Liebhold, A. M. (2009) Mate-location failure, Allee effects and the establishment of invading populations. Population Ecology: 337-340 (http://dx.doi.org/10.1007/s10144-009-0158-0)
Yamanaka, T., Tanaka, K., Hamasaki, K., Nakatani, Y., Iwasaki, N. and Sprague, D. S. and Bjørnstad, O. N. (2009) Evaluating the relative importance of patch quality and connectivity in a damselfly metapopulation from a one-season survey. Oikos 118: 67-76 (http://dx.doi.org/10.1111/j.1600-0706.2008.16722.x)
Hamasaki, K., YYamanaka, T., Tanaka, K., Nakatani, Y., Iwasaki, N. and Sprague, D. S. (2009) Relative importance of within-habitat environment, land use and spatial autocorrelations for determining odonate assemblages in rural reservoir ponds in Japan. Ecological Research 24: 597-605 (http://dx.doi.org/10.1007/s11284-008-0531-z)
Yamanaka, T., Tatsuki S, Shimada M (2008) Adaptation to the new land or effect of global warming? - An age-structured model for rapid voltinism change in an alien lepidopteran pest. Journal of Animal Ecology 77: 585-596 (http://dx.doi.org/10.1111/j.1365-2656.2008.01367.x)
Yamanaka, T.(2007) Mating disruption or mass trapping? Numerical simulation analysis of a control strategy for lepidopteran pests. Population Ecology 49: 75-86 (http://dx.doi.org/10.1007/s10144-006-0018-0)
Yamanaka, T., Tanaka, K., Otuka, A. and Bjørnstad, O. (2007) Detecting spatial interactions in the ragweed (Ambrosia artemissifolia L.) and the ragweed beetle (Ophraella communa LeSage) populations. Ecological Research 22: 185-196 (Recipient of the Ecological Research Award, 2007, http://dx.doi.org/10.1007/s11284-006-0300-9)
Yamanaka, T., Tatsuki, S. and Shimada, M. (2003) An individual-based model for sex-pheromone-oriented flight patterns of male moths in a local area.. Ecological Modelling 161: 35-51 (http://dx.doi.org/10.1016/S0304-3800(02)00291-0)
Watari, Y., Yamanaka, T., Asano, W. and Ishikawa, Y. (2002) Prediction of the life cycle of the west Japan type yellow-spotted longicorn beetle, Psacothea hilaris (Coleoptera: Cerambycidae) by numerical simulations. Appl. Entomol. Zool. 37(4): 559-569 (http://dx.doi.org/10.1303/aez.2002.559)