psammon

Psammon (from Greek "psammos", "sand"{{cite web|url=http://www.yourdictionary.com/psammon|publisher=YourDictionary|title=psammon}}) is a group of organisms inhabiting coastal sand moist — biota buried in sediments. Psammon is a part of water fauna, along with periphyton, plankton, nekton, and benthos.{{cite web|url=http://www.britannica.com/EBchecked/topic/481150/psammon|title=Freshwater lake communities|publisher=Encyclopædia Britannica}} Psammon is also sometimes considered a part of benthos due to its near-bottom distribution.{{cite web|url=http://biophysics.sbg.ac.at/rovigno/rovigno2.htm|title=Marine-Lab in Rovigno, part 2.|publisher=University of Salzburg|year=1999}} Psammon term is commonly used to refer to freshwater reservoirs such as lakes.{{cite journal|title=Community structure of psammon ciliates in sandy beaches of lakes|journal=Oceanological and Hydrobiological Studies|volume=42|issue=1|pages=14–21|author=Krystyna Kalinowska|year=2013|doi=10.2478/s13545-013-0051-5|s2cid=83737341|doi-access=free}}