Glenn Page, who leads a seagrass research and restoration project called Team Zostera, collects reproductive shoots from a healthy eelgrass meadow in Casco Bay on Aug. 7, 2026. Photo by Jamie Walter for The Maine Monitor.Maine’s seagrass meadows are shrinking and thinning. And this isn’t the only place where seagrass is declining. These underwater meadows off Maine’s coast are part of a global, decades-long pattern of loss believed to be driven …