Finding the Evidence

Diatoms Evidence

Diatoms are tiny single celled organisms that can photosynthsise (use energy from sunlight like plants). They live anywhere damp. With a microscope you can see their glass-like skeletons, some of which are beautiful shapes.

< Back to core sample

0 - 0.8m      
0.8m to 1.5m  

Marine diatoms

 marine diatom
1.5m to 2.5m   Brackish/marine Brackish marine
2.5m to 3.5m  

Marine

  
3.5m to 5.5m  

Brackish/marine
(Right: Example of plant which would support brackish diatoms)

 Brackish Plant
5.5m   Brackish/marine  
5.6m  

No freshwater diatoms found in peat – suggests formed in a drier conditions on edge of intertidal mudflats

  
5.8m      
5.8m to
7m		   Freshwater freshwater
 
 



Word List  |  Web Design by Headscape
Chichester Harbour Conservancy Education
Harbour Office, Itchenor, Chichester, PO20 7AW.   Tel: 01243 512 301