An official website of the United States government
Here's how you know
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.
Read the latest news coming out of the Ecosystems Mission Area.
EcoNews
EcoNews is a quarterly newsletter highlighting ecosystems science and activities coming out of our Science Centers, Cooperative Research Units, and Climate Adaptation Science Centers across the Nation.
Programs and Science Centers within the Ecosystems Mission Area are publishing a diverse set of topical newsletters. Subscribe to keep up with the latest USGS ecosystems science.
USGS Assesses Baseline Conditions Prior to Uranium Mining near Grand Canyon National Park
Scientists have collected and analyzed 84 environmental samples to establish baseline data prior to any active uranium mining activities at the Canyon...
Cattle Increase Occurrence of Ravens That Prey on Sage Grouse
DIXON, Calif. – Ravens are almost fifty percent more likely to inhabit areas in sagebrush landscapes if cattle are present, and preferentially select...
Its spelling looks similar to Quahog, and it is even distantly related—the Quagga Mussel is a bivalve mollusk just like the Quahog. That’s where the...
Algal Toxins Detected in One-Third of Streams Assessed in Southeastern United States
USGS scientists have detected toxins known as microcystins produced by various forms of algae in 39 percent of the small streams assessed throughout...
Food for Billions: Inland Fisheries and World Food Security
Reston, VA – Inland capture fisheries are much more crucial to global food security than realized, according to the first global review of the value...
New Invasive Annual Grass Book Addresses Critical Questions for the Western U.S.
BOISE, Idaho — Bromus species – such as cheatgrass – are exotic annual grasses that have become the dominant annual grasses in the western hemisphere...