GeoCAS Citizen Science.
Welcome to seagrass mapping in the Virgin Islands.
There four species of
in the Virgin Islands. Three of them are native and important to the ecology of sand and mud flats where they are found.
, or turtle grass, are perennial with long strap like leaves and a thick fleshy underground root stock.
, or manatee grass, is a favorite food of sea turtles. It has thin needle like leaves with underground roots.
is a rare straplike seagrass found in shallow water. It is similar to turtle grass in appearance and growth habits.
is a newly arrived invasive seagrass that colonizes sand flats and disturbed areas where it grows rapidly
by thin rhizomes on top of the sediment that break easily. It spreads through fragmentation.
To add a point to the map:
Navigate the map so you can clearly see the place where you want to place a point on the left hand side of the map.
Click on the icon with a pencil at the top left of the map window. Choose any of the icons in the window that appears.
Click on the map at the location you want to add a point.
Choose answers to the questions in the popup window by clicking on one of the options for each question.
Click somewhere else on the map to save the information. Click back on the point to add an image if you have one.
If you want to see what was entered for other points in the map you can click on them in the map.
If you are having trouble with the size of your screen you can open the map application in a new window by clicking here .