About the Authors

Hirotoshi Sato

h-sato@sys.bot.kyoto-u.ac.jp

Affiliation Center for Ecological Research, Kyoto University 509–3, 2-chome, Hirano, Otsu, Shiga, 520–2113 Japan

Akifumi S. Tanabe

Affiliations National Research Institute of Fisheries Science, Fisheries Research Agency, 2-12-4 Fukuura, Kanazawa-ku, Yokohama, Kanagawa, 236–8648 Japan, Graduate School of Global Environmental Studies, Kyoto University, Yoshida-nihonmatsu-cho, Sakyo-ku, Kyoto, Kyoto, 606–8501, Japan

Hirokazu Toju

Affiliation Graduate School of Human and Environmental Studies, Kyoto University, Yoshida-nihonmatsu-cho, Sakyoku Kyoto, 606–8501 Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HS. Performed the experiments: HS HT. Analyzed the data: HS AT. Contributed reagents/materials/analysis tools: HS AT HT. Wrote the paper: HS.