Wetland and Aquatic Research Center

Multimedia

Explore WARC's multimedia resources.

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3 students sit on the floor watching a woman teaching about wetlands, using posters and props laid on the floor
December 31, 2017

WARC staff member teaches students about various wetland types

At a celebration of World Wetlands Day, Victoria Sagrera taught students about various wetland types, including swamp, marsh, and barrier islands, and the resources and animals found in each.

December 31, 2017

WARC staff members teach students at World Wetlands Day

USGS Wetland and Aquatic Research Center's Coastal Wetlands Planning, Protection and Restoration Act (CWPPRA) outreach office staff were on hand at the World Wetlands Day celebration hosted by the Bayou Terrebonne Waterlife Museum and South Louisiana Wetlands Discovery Center as local students learned about the different types of wetlands in Louisiana.

A hand is holding a baby alligator over a table with a green cloth and other display items including a small skull
December 31, 2017

WARC staff member displays a baby alligator at World Wetlands Day

A special guest made an appearance at the 20th annual Louisiana Environmental Education Symposium where staff from the USGS Wetland and Aquatic Research Center's Coastal Wetlands Planning, Protection and Restoration Act (CWPPRA) outreach office shared materials and information with teachers.

A desmid alga is bright red and green photographed in UV light
December 31, 2017

This single-celled alga is a natural ornament

It looks like a holiday ornament, but this lovely object is a single-celled freshwater alga from the desmid family, found in the marshes of Florida’s Arthur R. Marshall Loxahatchee National Wildlife Refuge. USGS biologist Barry Rosen photographed it at 200x magnification using ultraviolent light and a fluorescence microscope. Desmids range in size from under 10 microns—

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Graph of the rate of change in Lousiana coastal wetlands from the 1930s to the present
December 31, 2017

Louisiana coastal wetland change rates over time

Graph of land area change rate in coastal Louisiana from 1932–2016.  The red line approximates the long-term land area change rate. 95 out of 100 statistical analyses would produce a very similar trend (dotted blue lines). Credit: USGS

A Cuban treefrog on a green leaf
November 13, 2017

Cuban treefrogs have leaped into Louisiana

Non-native Cuban treefrogs have established a breeding population in New Orleans, Louisiana, the first such population on the U.S. mainland outside Florida. The treefrogs were discovered at the Audubon Zoo shortly after a shipment of palm trees from Florida were planted in the zoo's elephant enclosure in 2016. USGS scientist Brad Glorioso confirmed the presence of a

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Map of offshore survey sites from Virginia to Georgia
September 12, 2017

Areas to be surveyed on first Deep SEARCH research cruise

Map of target areas to be surveyed during the first phase of the Deepwater Atlantic Habitats II study, 
DEEP SEARCH, including seep targets. USGS image.

Map of offshore survey sites from Virginia to Georgia
September 12, 2017

Study area for first Deep SEARCH research cruise

Map of target areas to be surveyed during the first phase of the 
Deepwater Atlantic Habitats II study,  DEEP SEARCH, including seep targets. USGS image.

Photomicrograph of a green desmid alga resembling a holiday ornament
August 31, 2017

A natural marvel in a single cell

This single-celled freshwater algae wasa collected as part of the first-ever study of the green algae family called desmids in Florida’s Loxahatchee National Wildlife Refuge, in the northern Everglades. USGS biologist Barry H. Rosen, an expert on freshwater algae who leads the study, used a technique called differential interference microscopy to highlight the relief of

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chart of vegetation change in the bird's foot delta
July 31, 2017

Changing vegetation in the Delta 2016-2017

Chart showing changes in vegetation density in the Mississippi River delta in Louisiana, May 2015-May 2016. From a USGS Open File Report published in July 2017 by co-authors Elijah Ramsey III and Amina Rangoonwala,

Aerial view of southeast Louisiana coastal marshes
July 10, 2017

Louisiana's Coastal Wetland Loss Rate Continues to Slow

An aerial view of southeast Louisiana coastal marshes.