When a new species is introduced into an ecosystem, it may succeed in establishing itself, or it may fail to gain a foothold ...

One of the hardest-working organisms in the ocean is the tiny, emerald-tinged Prochlorococcus marinus. These single-celled ...

Taking detailed field notes on a lake. The Environmental Assessment Program is the science arm of Ecology. Our scientists measure and analyze environmental conditions. Quality data is our highest ...