Nature is always speaking to us! Join Abby at the Boyden Wildlife Refuge to discover how we can learn about the health of our ecosystems by studying something called a bioindicator: a species that signals whether environmental conditions are thriving or under stress. After discussing and exploring biofacts from several Massachusetts bioindicator species, we’ll conduct an air‑quality experiment and search for a very special bioindicator found almost everywhere in our watershed… lichen!Registration required. FREE for everyone!
