FIG. 1.
Map of Colne estuary on the east coast of England showing positions of four sampling sites, with two stations (high shore and low shore) at sites 2 and 3 in the estuary.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.