In studies of the ecology of diatoms, particularly in the case of studies concerned in any way with organic pollution, one of the most important genera of diatoms concerned is the genus Nitzschia Hassall.
Reference:
Archibald, REM. 1966. Some new and rare Nitzschiae (Diatomaceae) from the Vaal dam catchment area (South Africa). Portugaliae Acta Biologica (B), Vol. 5(1-4), pp 227-238.
Archibald, R. (1966). Some new and rare Nitzschiae (Diatomaceae) from the Vaal dam catchment area (South Africa). http://hdl.handle.net/10204/4837
Archibald, REM "Some new and rare Nitzschiae (Diatomaceae) from the Vaal dam catchment area (South Africa)." (1966) http://hdl.handle.net/10204/4837
Archibald R. Some new and rare Nitzschiae (Diatomaceae) from the Vaal dam catchment area (South Africa). 1966; http://hdl.handle.net/10204/4837.