“Old growth” is a term often associated with forests, however scientists are beginning to realize that this concept also applies to other types of ecosystems, including grasslands, which provide a host of important ecosystem services. We interviewed Dr. Katharine Suding, a researcher at the Institute of Arctic and Alpine Research, University of Colorado Boulder, to learn more about old growth grasslands. Image credit: USDA Photo by Lance Cheung Relevant links: Buisson, E., Archibald, S., Fi...