Effect of water depth on the rhizome dynamics of Typha angustifolia
2008
Sharma, Pratima | Asaeda, Takashi | Fujino, Takeshi
The rhizome dynamics of Typha angustifolia in relation to water depth were investigated. Observations were made in two different stands, namely Akigase from April 2002 to December 2003, and Teganuma from April 2003 to December 2004. The mean rhizome length in the two stands was not significantly different but the mean rhizome diameter and biomass showed a significant difference. The larger rhizome diameter in Teganuma is seemingly an important adaptation to maintain effective aeration of the rhizome by reducing the internal resistance; while larger biomass helps survival under anoxia for longer periods of time, it also provides strong anchorage to the substrate.
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