Tier 1 2017 Mapping of Zostera marina (eelgrass) in Long Island Sound and Change Analysis- The goals of the 2017 Long Island Sound survey were similar to previous surveys: 1) conduct a comprehensive survey of Submerged Aquatic Vegetation (primarily eelgrass) using similar methods as the previous surveys, and 2) examine broad trends of eelgrass in the Long Island Sound Study area. Download the Document