USGS Video and Image Gallery: Items Related to grass

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Hammocks and sawgrass: Looking from the Mahogany Hammock boardwalk at Everglades National Park, hammocks interrupt the flat sawgrass expanse. (FL, USA)

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Hammocks and sawgrass
Looking from the Mahogany Hammock boardwalk at Everglades National Park, hammocks interrupt the flat sawgrass expanse....
Periphyton
Looking down from the Mahogany Hammock boardwalk at Everglades National Park, periphyton is abundant in the watery seagrass....
Tree Islands
Looking out over Taylor Slough sawgrass marsh at Everglades National Park, with tree islands seen in the background....
Measurement of greenhouse gases from soil....
Student volunteer measuring soil moisture & greenhouse gases....
USGS volunteers learning about instruments used to measure wind and greenhouse gases in a mountain forest....

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