A diatom from a paddy field
The sample was observed immediately after being collected.
A large diatom is going in and out of soil aggregates. Small particles are moving inside of the diatom cell, and also a small unknown organism is moving behind it.
Commentary by Prof. Yuji Tsukii, Hosei University
This diatom belongs to genus Surirella, probably Surirella robusta. It is often found in rivers.
Sampling Date : 22 September 2006
Sampling Site : KASHIMADAI paddy field Google Map