Wetland and Aquatic Research Center
Bigger May Not Be Better When It Comes to Mississippi River Diversions
New WARC-led research shows large-scale river diversions may change water quality in estuaries, affecting economically important shellfish and fishesLearn more
Rainfall & Temperature Changes Expected to Transform Coastal Wetlands
New study finds changes in rainfall and temperature are predicted to transform wetlands in the Gulf of Mexico and around the world within the century.Read more
WARC conducts relevant and objective research, develops new approaches and technologies, and disseminates scientific information needed to understand, manage, conserve, and restore wetlands and other aquatic and coastal ecosystems and their associated plant and animal communities throughout the nation and the world.
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Lack of Major Hurricanes Since 2008 Is Likely the Main Reason
Florida’s iconic manatee population is highly likely to endure for the next 100 years, so long as wildlife managers continue to protect the marine mammals and their habitat, a new study by the US Geological Survey and the Florida Fish and Wildlife Research Institute has found.
We appreciate your interest in USGS' Sirenia Project. To help inform members of the media and public, we have provided relevant publications, reports, and websites.
Carrying capacity in a heterogeneous environment with habitat connectivity
A large body of theory predicts that populations diffusing in heterogeneous environments reach higher total size than if non-diffusing, and, paradoxically, higher size than in a corresponding homogeneous environment. However, this theory and its assumptions have not been rigorously tested. Here, we extended previous theory to include exploitable...Zhang, Bo; Kula, Alex; Mack, Keenan M.L.; Zhai, Lu; Ryce, Arrix L.; Ni, Wei-Ming; DeAngelis, Don; Van Dyken, J. David
Land area change in coastal Louisiana (1932 to 2016)
Coastal Louisiana wetlands are one of the most critically threatened environments in the United States. These wetlands are in peril because Louisiana currently experiences greater coastal wetland loss than all other States in the contiguous United States combined. The analyses of landscape change presented here have utilized historical surveys,...Couvillion, Brady R.; Beck, Holly; Schoolmaster, Donald; Fischer, Michelle
Assessing welfare of individual sirenians in the wild and in captivity
Assessing the welfare of wild populations of sirenians has required a “generalist” approach. The outcome has been a subjective decision as to whether what the observers are witnessing in an individual or group of animals is normal and whether that has positive or negative consequences. The understanding of sirenian welfare requirements, and a...Flint, Mark; Bonde, Robert K.