The quality of sediment in shallow water bodies – long-term screening of sediment in the Czech Republic
This article presents the long-term screening results from the 2011–2019 period. Database of results contains approximately 230 localities. More than 80% of the samples were taken from fishponds.
Historic civilizations have dried up, archaeologists find them under sand deposits. The oldest great civilization was in Mesopotamia on the territory of present-day Syria between the Euphrates and Tygris.