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.
Phragmites invades coastal wetland in a changing climate. Ottawa National Wildlife Refuge, Oak Harbor, OH. Photo Credit: Kurt Kowalski, USGS-GLSC.
Public Domain.
