Diatoms in almost empty filament - magnified

Descrição:

Longitude (deg): -2.4. Latitude (deg): 50.5. Longitude (deg/min): 2° 30' W. Latitude (deg/min): 50° 40' N. Vice county name: Dorset. Vice county no.: 9. Country: England. Identified by: Malcolm Storey. Comment: "Colonial naviculoid diatom filaments, on surface of mudflats exposed at low tide". Category: microscope photograph. Image scaling: magnified. Where photo was taken: Microscope preparation. Photographic equipment used: Canon EOS1000D dSLR and Axioskop microscope with \"2.5\" projection eye-piece.