1. Alscher RG, Cumming JR (1990) Stress responses in plants: adaptation and acclimation mechanisms. Plant Biol 12:1–15
2. Armstrong W, Brandle R, Jackson MB (1994) Mechanism of flood tolerance in plants. Acta Bot Neerl 43:307–358
3. Brandle R (1991) Flooding resistance of rhizomatous amphibious plants. In: Jackson MB, Davis DD, Lambers H (eds) Plant Life Under Oxygen Deprivation. SPB Academic Publishing, The Hague, pp 35–46
4. Cao FL, Conner WH (1999) Selection of flood-tolerant Populus deltoides clones for reforestation projects in China. For Ecol Manage 117:211–220
5. Cao FL, Xu SZ (1991) A study on planting density of southern Populus deltoids (in Chinese). J Nanjing For Inst 3:12–19