Takehiko Yamanaka

NARO
Institute for Agro-Environmental Sciences
3-1-3 Kannondai
Tsukuba Japan 305-8604
Email: apple@affrc.go.jp

Papers:
0129 Detecting spatial interactions in the ragweed (Ambrosia artemissifolia L.) and the ragweed beetle (Ophraella communa LeSage) populations