Wetland and Aquatic Research Center

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Filter Total Items: 49
A USGS scientist holds a cold-stunned sea turtle while it recovers from the effects
2018 (approx.)
USGS scientist David Seay holds a green sea turtle that is recovering from the effects of cold-stunning in St. Joseph Bay. Photo by Margaret Lamont, USGS
A USGS scientist measures a rescued sea turtle while in a boat
2018 (approx.)
USGS scientist Margaret Lamont measures a Kemp’s ridley sea turtle recovered from the cold waters of St. Joseph Bay. Rescued sea turtles are weighed, measured andmarked with an identifier, and are examined to determine if they need medical attention. Photo by USGS.
Two scientists walk along a beach rescuing cold-stunned sea turtles.
2018 (approx.)
Eglin Air Force Base biologist Kathy Gault (left) and USGS biologist Dave Seay (right) hauled cold-stunned sea turtles to safety along the icy shore of Cape San Blas. Scientists and licensed volunteers walked the beaches and marshes, loading cold-stunned sea turtles into kayaks. Once full, kayaks could weigh more than 400 pounds and had to be dragged two to three miles to shoreline access points...
A photo of a cold-stunned sea turtle in shallow water.
2018 (approx.)
When water temperatures drop below 50 degrees Fahrenheit (10 degrees Celsius), cold-blooded sea turtles, like this Kemp’s ridley, can become cold-stunned. They are unable to swim or even raise their heads out of the water to breathe, which can lead to drowning. Photo by Margaret Lamont, USGS
An image of federal and state workers and volunteers rescuing a large sea turtle and carrying it down a side walk.
2018 (approx.)
USGS scientists Daniel Catizone (left) and David Seay (center) joined federal and state workers and volunteers in rescuing an estimated 1,000 cold-stunned sea turtles, making this the second largest sea turtle rescue of the 21 st century. Photo by Margaret Lamont, USGS
A USGS scientist rescues a cold-stunned sea turtle from a mud flat
2018 (approx.)
USGS scientist Margaret Lamont, who has studied sea turtles in Florida since 1995, carries a cold-stunned green sea turtle from the mud flats of St. Joseph Bay. Photo by USGS.
A boat full of rescued sea turtles.
2018 (approx.)
Scientists and volunteers use nets to scoop the immobile sea turtles out of St. Joseph Bay before transporting them to safety. Photo by USGS.
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
A desmid alga is bright red and green photographed in UV light
2017 (approx.)
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—approximately the width of...
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.
Photomicrograph of a green desmid alga resembling a holiday ornament
2017 (approx.)
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 the image. The bright...