Wetland and Aquatic Research Center
Explore WARC's multimedia resources.
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...
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.
The desmid family of single-celled green algae are never found in abundance, says USGS biologist Barry Rosen. They inhabit the soft, slightly acidic water of wetlands that depend on rainwater, like Florida’s Arthur R. Marshall Loxahatchee National Wildlife Refuge. They don’t “bloom” en masse, but their presence is an indicator of good water quality. Rosen’s research is...
Boat owners sought protection for their vessels in sheltered Hurricane Hole, but Hurricane Irma sunk and beached many boats, likely damaging corals. Photo: Caroline Rogers, USGS, 2017
This Oaxaca Cave Sleeper is one of thirteen specimens collected from a cave beneath a reservoir on Mexico's Tonto River. It lacks eyes, is unpigmented, and has sensory adaptations characteristic of fish that live in total darkness. Thuis is the holotype, the example used to describe and name this newly identified species. Credit: Howard L. Jelks and Stephen J. Walsh, USGS...
A laboratory preparation of a Oaxaca Cave Sleeper specimen shows the absence of eyes in this newly identified cavefish species. Credit: Stephen J. Walsh, USGS
Wetlands Reserve Program site in Natchitoches Parish, Louisiana. Ten years ago, this landowner worked with the USDA Natural Resources Conservation Service through the Wetlands Reserve Program to design and construct this slough as part of a plan to restore this field’s natural wetland hydrology.
Wetlands Reserve Program site in St. Landry Parish, Louisiana. Changes in a local river resulted in the landowner’s fields flooding on a regular basis. The landowner worked through the USDA Natural Resources Conservation Service to restore his fields to their natural wetland state.