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FWS | 2021
Preserving avian flyway connectivity has long been challenged by our capacity to meaningfully quantify continental habitat dynamics and bird movements at the temporal and spatial scales underlying…
BOR | 2021
The Colorado River is the principal source of water for agriculture and riparian vegetation in Arizona, southern California, and southern Nevada. In the Lower Colorado River Basin, the BOR accounts…
BOEM | 2021
Monitoring whales and seals is of broad interest to BOEM, academic institutions, commercial operations and other Federal entities. Advancements in very high resolution (VHR) satellite imagery, cloud…
BOEM | 2021
BOEM is required to analyze the air quality impacts from Outer Continental Shelf (OCS) oil and gas activities as mandated by the Outer Continental Shelf Lands Act (OCSLA) and the National…
BLM | 2021
Landslides are a major geologic hazard in Oregon. Landslide inventory mapping helps resource managers understand the spatial pattern of existing landslides and provides information to characterize…
BLM | 2021
Coastal erosion, exacerbated by sea-level rise, threatens both infrastructure and natural areas around the world. The King Range National Conservation Area (NCA) is vulnerable to such erosion effects…
BLM | 2021
The emergent proliferation of Synthetic Aperture Radar (SAR) imaging systems, related advancements in image processing and exploitation capabilities, and the increasing availability of analysis-ready…
BLM | 2021
Public lands across the West contain myriad Native American cultural sites that often include surficial stone features such as rings, alignments, and cairns. In 2018, BLM archaeologists from Wyoming’…
BLM | 2021
The invasion of exotic annual grasses is a widespread problem across the western United States. Of particular concern is cheatgrass (Bromus tectorum), which produces continuous mats of fine, highly…
USGS | 2021
The 2020 fire season in western North American was among the most extreme on record. Over 100 fires were active in September, with the majority occurring in California, Oregon, and Washington, where…
USGS | 2021
Tidal marsh wetlands worldwide have been lost due to human impacts. Tidal marshes are critical to many wildlife taxa and have become the focus of many restoration projects. In the Suisun Marsh of…
USGS | 2021
During late summer and autumn, Pacific walruses are resting on shore north of the Bering Strait more often and in larger numbers in both the United States and Russia. Historically, walruses rested…