This vector dataset shows the 2012 extent (in acres) of seagrasses in Narragansett Bay, the RI portion of Little Narragansett Bay, the Southwest Coastal Ponds of RI, and the Sounds. Data are from Rhod

MassGIS Open Data2020-05-27 更新10

Seagrass 2016 - NBEP2017 (shapefile)

This vector dataset shows the 2016 extent (in acres) of seagrasses in Narragansett Bay, the RI portion of Little Narragansett Bay, the Southwest Coastal Ponds of RI, and the Sounds. Data are from Rhod

MassGIS Open Data2021-09-28 更新10

NBEP Study Areas NBEP2017 (shapefile)

Narragansett Bay, Little Narragansett Bay, and the Southwest Coastal Ponds are the three estuarine study areas under the purview of the Narragansett Bay Estuary Program. This dataset represents the wa

MassGIS Open Data2020-02-12 更新00

Seagrass 2006 - NBEP2017 (shapefile)