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USGS Scientists Receive Prestigious Presidential Rank Award

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USGS Virtual Science Career Event

Join USGS scientists in Florida and the Caribbean to learn more about USGS science and careers on January 27, 2022

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Celebrate Oceans Month 2021!

WARC works to better understand marine life and ecosystems, from shallow-water coastlines to the deepest trench

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Happy American Wetlands Month!

This May, we celebrate our Nation's wonderful wetlands

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Invasive Zebra Mussels Found in Pet Stores in 21 States

Agencies, industry in coordinated response to help stores and consumers find and destroy troublesome shellfish

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Invasive Species Research at WARC

This year, we recognize National Invasive Species Awareness Week on February 22 - 26 and May 15 - 22.

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Wetland and Aquatic Research Center

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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Wade into USGS WARC's wetland and aquatic science!

WARC scientists take an airboat out to a wetland study site in Louisiana
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Science for Detection, Containment, and Control of Invasive Species

USGS scientists focus on the development of innovative prevention, prediction, early detection, containment, and control tools. 

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USGS Scientists Receive Prestigious Presidential Rank Award

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USGS Virtual Science Career Event

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News Briefs - September-October 2021

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Publications

Ambystoma opacum (marbled salamander). Atypical nest sites

The discovery of inconspicuous nests in secretive species not only expands knowledge but can reveal previously unknown behaviors and ecological consequences of those behaviors. Marbled salamanders exhibit the unusual strategy of laying their eggs terrestrially under cover. Here we report multiple occurrences of A. opacum nesting inside logs, which may be atypical for this species.
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Ecosystems, Wetland and Aquatic Research Center

Using fish community and population indicators to assess the biological condition of streams and rivers of the Chesapeake Bay watershed, USA

The development of indicators to assess relative freshwater condition is critical for management and conservation. Predictive modeling can enhance the utility of indicators by providing estimates of condition for unsurveyed locations. Such approaches grant understanding of where “good” and “poor” conditions occur and provide insight into landscape contexts supporting such conditions. However, as a
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Water Resources, Ecosystems, Science Analytics and Synthesis (SAS), Maryland-Delaware-D.C. Water Science Center, Wetland and Aquatic Research Center

Evaluating establishment success of non-native fishes introduced to inland aquatic habitats of tropical Pacific islands

An information-theoretic approach was used to evaluate non-native freshwater fish species introduced to insular habitats of Hawaii and Guam comparing successful establishments vs. failures. Since the late 1800s, as many as 81 non-native freshwater fish species have been recorded as introduced to Hawaii and Guam (combined) and 50 (62%) of these are documented as having one or more established popul
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Ecosystems, Wetland and Aquatic Research Center
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Caspian Tern adult with young on Gunn Island

Seasonal Surveys of Shorebird and Coastal Waterbird Utilization of Dredged Material Islands in the Baptiste Collette Bayou, U.S. Army Corps of Engineers (USACE) New Orleans District, Louisiana

To assess use of dredge material areas, avian ecologists from USGS WARC are conducting bird surveys across the annual life cycle.
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Wetland and Aquatic Research Center , Wetland and Aquatic Research Center
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Seasonal Surveys of Shorebird and Coastal Waterbird Utilization of Dredged Material Islands in the Baptiste Collette Bayou, U.S. Army Corps of Engineers (USACE) New Orleans District, Louisiana

To assess use of dredge material areas, avian ecologists from USGS WARC are conducting bird surveys across the annual life cycle.
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Image: Florida Everglades

Across Trophic Level System Simulation (ATLSS) Program for the Greater Everglades

Goals of the ATLSS Program are to help achieve a better understanding of components of the Everglades ecosystem, to provide an integrative tool for empirical studies, and to apply these tools to an adaptive management framework.
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Wetland and Aquatic Research Center
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Across Trophic Level System Simulation (ATLSS) Program for the Greater Everglades

Goals of the ATLSS Program are to help achieve a better understanding of components of the Everglades ecosystem, to provide an integrative tool for empirical studies, and to apply these tools to an adaptive management framework.
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calcium sulfate in acetone

Outlining Potential Health Effects of Exposure to Critical Elements: From Chemical Structure to Adverse Outcome Pathways

The Federal Government was charged with ensuring a reliable supply of critical minerals from within the U.S., and to further this policy in a safe and environmentally responsible manner by identifying new sources of critical elements. The objective of this research is to delineate anticipated adverse outcome pathways for the critical elements.
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Wetland and Aquatic Research Center
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Outlining Potential Health Effects of Exposure to Critical Elements: From Chemical Structure to Adverse Outcome Pathways

The Federal Government was charged with ensuring a reliable supply of critical minerals from within the U.S., and to further this policy in a safe and environmentally responsible manner by identifying new sources of critical elements. The objective of this research is to delineate anticipated adverse outcome pathways for the critical elements.
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