Wetland and Aquatic Research Center

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Technician filters water sample containing eDNA
April 8, 2015

A water sample is prepped to be tested for environmental DNA

Laboratory technician Amelia Ulmer filters water collected in the field, to be analyzed for environmental DNA in the laboratory of Dr. Margaret Hunter. This sample was tested for Burmese python eDNA, in a process similar to that developed by Dr. Hunter for manatee eDNA.

Image: juvenile Broad-banded Watersnake with snake fungal disease
March 26, 2015

juvenile Broad-banded Watersnake with snake fungal disease

A juvenile Broad-banded Watersnake that tested positive for snake fungal disease (SFD) exhibiting numerous nodules overlaid by roughened skin on the dorsal surface from St. Martin Parish, Louisiana. "FD has proven lethal in many snakes, and the disease is recognized as an emerging threat to wild snake populations.

Image: Corals Growing Under Red Mangrove Prop Roots
March 28, 2014

Corals Growing Under Red Mangrove Prop Roots

Several species of scleractinian corals growing under red mangrove prop roots.

Coastal wetlands near Port Fourchon, Louisiana, in the northern Gulf of Mexico
December 31, 2013

Coastal wetlands near Port Fourchon, La., Northern Gulf of Mexico

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.

Red bubblegum coral
December 31, 2013

Red bubblegum coral at 440 meters deep in Norfolk Canyon

Red bubblegum coral (Paragorgia) and several colonies of Primnoa occupy a boulder in close proximity to an anemone and sea star, at approximately 440 meters depth in Norfolk Canyon. Image courtesy of Deepwater Canyons 2013 – Pathways to the Abyss, NOAA-OER/BOEM/USGS

Brown Marsh in Southeast Louisiana
December 31, 2012

Brown Marsh in Southeast Louisiana

Brown Marsh observed in southeastern Terrebonne Basin, La

Two manatees with radio transmitters attached
December 31, 2012

Two manatees with radio transmitters attached

Two manatees with radio transmitters attached

Manatee and Dr. Margaret Hunter underwater
November 27, 2012

A manatee meets Dr. Margaret Hunter during research at Crystal River

During a research snorkel trip at Crystal River National Wildlife Refuge, Dr. Margaret Hunter comes face to face with a manatee.

Aerial view of coastal marshes along Bayou Dufrene in Louisiana
September 12, 2012

Louisiana's changing coastal wetlands

An aerial view of coastal marshes along Bayou Dufrene, southwest of the town of Dulac in Louisiana's Terrebonne Basin.

Image: A Bleached Coral Next to an Unbleached Coral
November 12, 2010

A Bleached Coral Next to an Unbleached Coral

A bleached colony of Diploria labyrinthiformis next to an unbleached colony of Colpophyllia natans.