Is change important to estuaries?

This item was filled under Facts, Health, Ocean Life, Places, Tides and Currents
Estuaries are tidally driven. Tides flush the system and provide nutrients to keep food webs functional. By doing this, tides create constantly changing conditions of exposure to air or increased levels of water in an estuarine environment. Because of tides, the water levels in an estuary are going up and down several times a day....
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