Wetland and Aquatic Research Center

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Filter Total Items: 26
Black bellied salamander

This black-bellied salamander (Desmognathus quadramaculatus) was found in the Citico Creek Wilderness, Cherokee National Forest, Tennessee.

Queen angelfish - Hurricane Hole, Virgin Islands
September 18, 2009

A queen angelfish peers through the safety of the mangrove roots across the rich colors and textures of corals, sponges, urchins, and algae. Queen angelfish feed almost exclusively on sponges, which are abundant in these mangroves.

USGS Researcher with Manatee
2012 (approx.)

USGS researcher collects data on manatee in Florida spring.

Brown Marsh in Southeast Louisiana
2012 (approx.)

Brown Marsh observed in southeastern Terrebonne Basin, La

Manatee swims in a Florida spring
2012 (approx.)

Manatee swims in a Florida spring

Two manatees with radio transmitters attached
2012 (approx.)

Two manatees with radio transmitters attached

Coastal wetlands near Port Fourchon, Louisiana, in the northern Gulf of Mexico
2013 (approx.)

To understand how changes in rainfall and temperature might affect coastal wetlands in the northern Gulf of Mexico, USGS researchers conducted field studies at 10 estuaries in five states (Texas, Louisiana, Mississippi, Alabama, and Florida). The fieldwork took place in a variety of coastal wetland types, including mangroves, marshes, and salt flats.

Image: USGS Science Aids Manatees
2015 (approx.)

For nearly four decades, the U.S. Geological Survey's Sirenia Project has been committed to understanding the biology and ecology of the West Indian manatee to aid managers in actions that could best help the population. To do this, USGS manatee researchers rely on a variety of tools and techniques.

A lionfish floating in blue water
February 2, 2016

A lionfish floating in blue water. Photo: Richard Whitcombe. (Permission provided by photographer)

Great Blue Heron (Ardea herodias)
April 26, 2016

A great blue heron standing in the marsh at Merritt Island National Wildlife Refuge near the Kennedy Space Center.

Red Mangrove Trees
April 26, 2016

Red mangrove trees fringe the shoreline of a bay in Hurricane Hole, U.S. Virgin Islands. 

WRP Morehouse Parish, Louisiana
April 26, 2016

Wetlands Reserve Program site in Morehouse Parish, Louisiana.  Green tree frogs rest on a Wetlands Reserve Program easement boundary sign in Morehouse Parish, Louisiana.

Deep-Sea Coral: Lophelia pertusa
April 26, 2016

Live Lophelia pertusa is white because the calcium carbonate skeleton shows through the nonpigmented coral tissue. Dead coral is soon covered in a brown biofilm. The red-orange squat lobster (Eumunida picta) in the center of the photo is prepared to catch its dinner.

WRP Natchitoches Parish, Louisiana
April 26, 2016

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.

WRP St. Landry Parish, Louisiana
April 26, 2016

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.

Laboratory specimen of newly-discovered Oaxaca Cave Sleeper
June 2016 (approx.)

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

Newly discovered cavefish species, the Oaxaca Cave Sleeper
June 2016 (approx.)

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

Frosted flatwoods salamander
2016 (approx.)

Frosted flatwoods salamander in St. Marks National Wildlife Refuge, Florida

Frosted flatwoods salamander
2016 (approx.)

Frosted flatwoods salamander, St. Marks National Wildlife Refuge, Florida

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.

 

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.

 

Scientist holding a laptop and equipment, standing in a green field.
April 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 beneficial insect and pollinator populations, improving water quality, sequestering carbon, and reducing runoff and erosion. Many of the remaining remnants are along the coastal fringes of the historic range and vulnerable to sea level rise. Due to the vast benefits associated with this diverse, productive, and threatened ecosystem, conservation entities across the Western Gulf Coastal Plain are working toward a collaborative, strategic, landscape scale approach to conservation planning.

Our work will provide baseline data to enhance the ability of decision makers to communicate, prioritize, and implement restoration activities and other habitat enhancement actions associated with water sheds within this geography.