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USGS | 2020
In 2018, members of the USGS Western Ecological Research Center (WERC) Dixon Field Station attached Global Positioning System-Global System for Mobile Communication (GPS-GSM) accelerometer…
USGS | 2020
The northern Gulf of Mexico is a dynamic environment, serving as critical habitat for marine bird species and supporting substantial yet spatially variable oil and gas activity. Under-monitoring of…
USGS | 2020
The Jean Lafitte National Historical Park and Preserve (JELA) in southeastern Louisiana is being invaded by feral hogs (Sus scrofa) and needs a systemic survey to determine the distribution and…
USGS | 2020
Over two-thirds of all land birds and over half of the migratory species in North America move long distances to areas in Mexico, Central and South America, and the Caribbean islands. For birds…
USGS | 2020
Telemetry has advanced understanding of wildlife biology in lockstep with advances in technology. Recent development of automated radio tracking systems can provide precise information on habitat use…
USGS | 2020
The USGS is advancing the development of machine learning algorithms to detect and classify seabirds, waterfowl, and other marine wildlife from digital aerial imagery in collaboration with Bureau of…
USGS | 2020
The USGS Northern Prairie Wildlife Research Center uses Very High Frequency (VHF) and Global Positioning System (GPS) radio collars to study white-tailed deer (Odocoileus virginianus) and gray wolf (…
USGS | 2020
Freshwater algal blooms are estimated to cost the United States economy up to $4.6 billion annually in disruptions to tourism, recreation, drinking water supply, and aquatic food production. Yet…
USGS | 2020
Cyanobacterial blooms in eutrophic inland waters are a worldwide concern. Blooms are exacerbated by high nutrient inputs and warmer waters and have been appearing with increasing frequency in water…
USGS | 2020
Mercury is a contaminant of concern in the San Francisco Bay and the Sacramento–San Joaquin Delta (Bay-Delta) estuary and watershed. The USGS California Water Science Center and USGS Earth System…
USGS | 2020
Cyanobacterial blooms are a global concern because they pose a threat to human and aquatic ecosystem health and cause economic damage. Cyanobacteria can produce toxins potent enough to adversely…
USGS | 2020
The estimation and mapping of evapotranspiration (ET) is an active area of applied USGS research in the fields of agriculture and water resources. Specifically, combining remote sensing data along…