Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Diatom frustule dimensions obtained from SEM images.
| Valve | L (μm) | w (μm) | Number of striae per 10 μm | Number of areolae per 10 μm | wA (μm) | wC (μm) | t (μm) |
|---|---|---|---|---|---|---|---|
| Rapheless | 9 ± 1 | 3.7 ± 0.5 | 23 ± 2 | 65 ± 4 | 0.10 ± 0.01 | 0.36 ± 0.04 | 1.5 ± 0.2 |
| Raphe | 9 ± 2 | 3.9 ± 0.4 | 25 ± 4 | 76 ± 12 | 0.13 ± 0.02 | 0.23 ± 0.05 |
