X1011591976-00175-44410</DOCNO> Ecosystems A &quot;coastal ecosystem&quot; includes estuaries and coastal waters and lands located at the lower end of drainage basins, where stream and river systems meet the sea and are mixed by tides.
(coastal ecosystem&quot; includes; estuaries and coastal waters and lands) (stream and river systems; meet; the sea)
coastal ecosystem&quot stream and river systems
includes meet
estuaries and coastal waters and lands
the sea