Global and National Distribution Maps
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Global Distribution of Seagrass – Ocean Data Viewer
Global Distribution of Seagrass – ArcGIS
Seagrass Abundance by Marine Ecoregion
Number of Seagrass Species by Marine Ecoregion
Number of Seagrass Species by Marine Ecoregion
Halodule wrightii- Species range map
Phyllospadix scouleri- Species range map
Pyllospadix torreyi- Geographic range
Syringodium filiforme- IUCN red listed
Thalassia testudiunum- IUCN red listed
Northeast U.S.
Northeast Ocean Data Eelgrass Beds Map
Eelgrass Beds, Northeast US, 2014
Northern Gulf of Mexico
Seagrass Status and Trends in the Northern Gulf of Mexico: 1940–2002
New York
Seagrass in the Peconic Estuary
Evaluation of Eelgrass Extent around Fishers Island, NY
Rhode Island
Eelgrass Locations (Polygons)
Narragansett Bay Estuarine Habitat
Rhode Island 2016 map of SAV in Narragansett Bay
2016 Rhode Island Eelgrass Mapping Taskforce Orthophotography
Maine
Maine Historical Eelgrass Coverage Viewer
Eelgrass 2018 (Casco Bay Only)- MaineDEP
New Hampshire
Great Bay Estuary Eelgrass- 2015
Massachusetts
Buzzards Bay Eelgrass GIS data
Eelgrass Mapping Project Viewer
Massachusetts Eelgrass Mapping Project
Creating the Basis for Successful Restoration: An Eelgrass Habitat
Maryland
Maryland Wetlands – Wetlands (National Wetlands Inventory)
West Coast Maps
West Coast Species Maps
West Coast USA Eelgrass Maximum Observed Extent
Washington
Puget Sound Seagrass Monitoring
ShoreZone Inventory – Seagrass
California
Eelgrass Maximum Observed Extent – California
Estuary Eelgrass Presence and Absence – California
Eelgrass Distribution in California
Seagrass distribution off California
California Coastal Eelgrass Habitats, 2010
Phyllospadix scouleri- California
Eelgrass Survey GIS Data- San Francisco Estuary Institute & the Aquatic Science Center
Eelgrass Data- West Coast/California region, NOAA Fisheries
Florida
Estero Bay Seagrass Communities (2003)
Estero Bay Seagrass Communities (2004)
Estero Bay Seagrass Communities (2008)
Estero Bay Seagrass Communities (2014)
Florida Bay Seagrass Communities (2004-2005)
Indian River Lagoon Seagrass Communities (2001)
Indian River Lagoon Seagrass Communities (2003)
Indian River Lagoon Seagrass Communities (2009)
Johnson’s Seagrass Critical Habitat Map and GIS Data
Lake Worth (Upland) Lagoon Seagrass Communities (2007)
Loxahatchee River Seagrass Communities (2004)
Loxahatchee River Seagrass Communities (2006)
Loxahatchee River Seagrass Communities (2007)
Seagrass Integrated Mapping and Monitoring for the State of Florida Report
Seagrass Integrated Mapping and Monitoring Program Report No. 2
Rookery Bay National Estuarine Reserve Habitats:
Historic Extent of Seagrass Beds in Tampa Bay, FL
Texas
Texas Seagrass Monitoring Map PDFs