1. Alber D (2004) Multifunctionality, agricultural policy, and environmental policy. Agric Resour Econ Rev 33(1):8–17
2. Chiba K, Koga K, Baba H (1997) Soil physical properties of uncultivated paddy fields located in semi-wet sloping land and the simulation of their response to heavy rain. Trans Jpn Soc Irrig Drain Rural Eng 65(4):61–70 (in Japanese with English abstract)
3. Groenfeldt D (2006) Multifunctionality of agricultural water: looking beyond food production and ecosystem services. Irrig Drain 55:73–83
4. Hiramatsu K, Shikasho S (2001) Flood mitigation function estimates of a flat low-lying agricultural area along the lower reach of the Chikugo River. Sci Bull Fac Agr Kyushu Univ 56(1):1–8 (in Japanese)
5. Huang CC, Tsai MH, Lin WT, Ho YF, Tan CH (2006) Multifunctionality of paddy fields in Taiwan. Paddy Water Environ 4(4):199–204