Diatoms. Part 1: Introduction and collection of diatoms

The video "Diatoms" is composed of three parts. Part 1: Diatoms are briefly introduced and the way to collect diatoms is demonstrated. (4 min 31sec) Male narrator version:    • Diatoms --part 1. introduction and collect...   Diatom Project web page: http://www.u-gakugei.ac.jp/~diatom/