Justina Dacey Profile: Natural resources and agriculture agent in Nassau County covering living shorelines, oysters, horseshoe crabs, invasive species, livestock, pasture weeds and general agriculture. Posts by Justina Dacey: Tumbleweed invading beach dunes Northeast Small Farms Network Tortoises, Terrapins and Sea Turtles Oyster Gardens, Coming to a Dock Near You Bovine Spongiform Encephalopathy (Mad Cow Disease) in Florida