Wetland and Aquatic Research Center

Multimedia

Explore WARC's multimedia resources.

Filter Total Items: 40
Graph of the rate of change in Lousiana coastal wetlands from the 1930s to the present
2017 (approx.)
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
Map of offshore survey sites from Virginia to Georgia
September 12, 2017
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
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.
chart of vegetation change in the bird's foot delta
2017 (approx.)
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,
Map shows early wetland losses in red, recent losses in purple
July 10, 2017
This map shows the historic trend in wetland losses, with early losses in red and the most recent ones in purple.
Satellite images of the same marsh in 2008 and 2016
2017 (approx.)
Satellite images of the same wetland taken in 2008 and 2016 show a wetland restoration project has produced some gains in marsh area.
Phragmites under stress in Pass A Loutre, Louisiana
2017 (approx.)
Brown patches and brown stems show stress in this phagmites (roseau cane) stand in Pass A Loutre Wildlife Management Area, a tract of state-owned land in Louisiana's bird foot delta, where the Mississippi River meets the Gulf of Mexico. An ongoing phragmites was first discovered in spring 2017 and blamed on an invasive scale insect from Asia. But a new USGS report, based on satellite imaging and...
Scientist holding a laptop and equipment, standing in a green field.
2017 (approx.)
Vegetation assessments are part of an effort to produce seamless, consistent, and high resolution landcover data for the northern portion of the western gulf coastal plain. This geography was once dominated by tallgrass prairie and has undergone dramatic change with less than 1% of this natural habitat in existence. Tallgrass prairie provides a suite of ecosystem services including enhancing...
Three sailfin catfish found in the Big Cypress National Preserve
March 23, 2017
The sailfin catfish is one of 13 species of nonnative fish that biologists discovered during the Fish Slam in Big Cypress National Preserve, March 23, 2017.
Pike killifish found in Big Cypress
March 23, 2017
The pike killifish, native to Mexico and Central America, was one of 13 nonnative fish species that biologists discovered during the two-day Fish Slam in Big Cypress National Preserve, March 22 and 23, 2017.
Frosted flatwoods salamander
2016 (approx.)
Frosted flatwoods salamander, St. Marks National Wildlife Refuge, Florida