Affiliation:
1. Department of Civil Engineering National Institute of Technology Nagaoka College 888 Nishikatakaimachi Nagaoka Niigata 940‐0834 Japan
2. Division of Environmental Engineering Faculty of Engineering Hokkaido University North 13, West‐8 Sapporo Hokkaido 060‐8628 Japan
Funder
Japan Science and Technology Agency
Core Research for Evolutional Science and Technology
Institute for Fermentation, Osaka
Japan Society for the Promotion of Science
Subject
Ecology, Evolution, Behavior and Systematics,Microbiology