Satellite remote sensing of landscape features that possess high-frequency dynamics, such as sea ice distribution and vegetation phenology, and spatial analyses of how wildlife migrations are influenced by habitat and weather dynamics.
My projects aim to pioneer new analytical avenues in applied wildlife research by combining remote sensing with traditional wildlife studies to answer questions about habitat use and animal movements at landscape scales. The studies I engage align with Department of Interior priorities in the Arctic by addressing a growing need to understand how changes in climate or land use practices affect wildlife migrations, habitat availability, habitat quality, and population dynamics. Climate is the overarching force that controls wildlife habitat resources in the Arctic, so understanding linkages between the physical and biological environment is critical for making informed management decisions in the face of accelerating warming and expanding human activities. My expertise includes tracking wildlife by satellite, monitoring sea ice and vegetation changes by satellite, and the implications of future climate change on Arctic wildlife in general.
Science and Products
Filter Total Items: 39
Polar Bear Research
Polar bears (Ursus maritimus) are one of 4 marine mammal species managed by the U.S. Department of Interior. The USGS Alaska Science Center leads long–term research on polar bears to inform local, state, national and international policy makers regarding conservation of the species and its habitat. Our studies, ongoing since 1985, are focused on population dynamics, health and energetics...
Walrus Research
The USGS Alaska Science Center conducts long-term research on the Pacific walrus to provide scientific information to Department of Interior management agencies and Alaska Native co-management partners. In addition, the USGS Pacific walrus research program collaborates with the U.S. Fish and Wildlife Service (USFWS) and the State of Alaska’s Department of Fish and Game and Alaska Native co...
USGS Alaska Science Center Wildlife Tracking Data Collection
Understanding the short- and long-distance movements of wildlife is critical for a wide variety of ecological research questions and management decisions. Since the mid-1980s, the USGS Alaska Science Center has used information from telemetry devices on wildlife species to determine locations of animals throughout their annual cycles, understand patterns of habitat use, quantify time spent on...
U.S. Fish and Wildlife Service Tracking Data for Steller's Eiders (Polysticta stelleri)
Available here are tracking data of the Steller’s Eider, a species of seaduck that breeds throughout the circumpolar Arctic and spends the winter in coastal areas of western and southwestern Alaska. The Alaska-breeding population is listed as threatened under provisions of the Endangered Species Act. These tracking data were collected by the U.S. Fish and Wildlife Service. The entire data package...
Tracking Data for Long-tailed Ducks (Clangula hyemalis)
Available here are tracking data of long-tailed duck, a species of seaduck that breeds throughout the circumpolar Arctic and spends the winter in coastal areas of northern and mid latitudes. These data were collected to determine range-wide migratory routes, migratory timing, and stopover habitats of this species.
Tracking Data for Pacific Walrus (Odobenus rosmarus divergens)
Available here are tracking data of Pacific walrus, a marine mammal that ranges between the Alaska Peninsula, up through the Bering and Chukchi seas, and over to Russia. These data were collected from animals marked in the northern Bering and Chuckchi sea to understand seasonal movement patterns, use of coastal haulouts in northwestern Alaska, and determine estimates of abundance in autumn.
Tracking Data for Common Eiders (Somateria mollissima)
Available here are tracking data of Common Eider, a sea duck species found across Alaska and the Arctic. Some populations migrate between distant breeding and wintering areas while others are essentially nonmigratory. These data were collected to better understand the migration of the different populations in Alaska and migratory connectivity to adjacent regions, such as Russia.
Tracking Data for Whooper Swans (Cygnus cygnus)
Available here are tracking data for the whooper swan, a Eurasian species that closely resembles the trumpeter swan in North America. These data were collected to better understand the potential transmission of avian influenza viruses carried by swans and provide information on the migratory habits of whooper swans in East Asia.
Tracking Data for Kittlitz's Murrelet (Brachyramphus brevirostris)
Available here are tracking data for the Kittlitz’s murrelet, a rare seabird species that nests solitarily on the ground in barren, often alpine areas near the North Pacific and Bering Sea.
Tracking Data for Greater White-fronted Geese (Anser albifrons)
Available here are tracking data of Greater White-fronted Geese, a species that nests in coastal areas of western and northern Alaska and winters across a broad area of North America along the Pacific and Central flyways. These data were collected to better understand the timing and patterns of migratory movements and seasonal use of habitats in breeding, wintering, and migratory areas of North...
Tracking Data for Whimbrel (Numenius phaeopus)
Available here are tracking data for the whimbrel, a striking example of a shorebird with its long and curved bill. The whimbrel is found throughout tundra and boreal habitats of Alaska during the summer and spends the winter along coast lines of the continental U.S., and central and South America. These data were collected to better understand the migratory patterns of this iconic species.
Tracking Data for Emperor Geese (Anser canagicus)
Available here are tracking data for the Emperor Goose, an endemic waterfowl species to the Bering Sea region that breeds primarily in western Alaska on the Yukon-Kuskokwim Delta and spends the winter in southwestern Alaska and throughout the Aleutian Islands. These data were collected to better understand the migratory patterns, winter habitat use, and annual survival of emperor geese.
Science and Products
- Science
Filter Total Items: 39
Polar Bear Research
Polar bears (Ursus maritimus) are one of 4 marine mammal species managed by the U.S. Department of Interior. The USGS Alaska Science Center leads long–term research on polar bears to inform local, state, national and international policy makers regarding conservation of the species and its habitat. Our studies, ongoing since 1985, are focused on population dynamics, health and energetics...Walrus Research
The USGS Alaska Science Center conducts long-term research on the Pacific walrus to provide scientific information to Department of Interior management agencies and Alaska Native co-management partners. In addition, the USGS Pacific walrus research program collaborates with the U.S. Fish and Wildlife Service (USFWS) and the State of Alaska’s Department of Fish and Game and Alaska Native co...USGS Alaska Science Center Wildlife Tracking Data Collection
Understanding the short- and long-distance movements of wildlife is critical for a wide variety of ecological research questions and management decisions. Since the mid-1980s, the USGS Alaska Science Center has used information from telemetry devices on wildlife species to determine locations of animals throughout their annual cycles, understand patterns of habitat use, quantify time spent on...U.S. Fish and Wildlife Service Tracking Data for Steller's Eiders (Polysticta stelleri)
Available here are tracking data of the Steller’s Eider, a species of seaduck that breeds throughout the circumpolar Arctic and spends the winter in coastal areas of western and southwestern Alaska. The Alaska-breeding population is listed as threatened under provisions of the Endangered Species Act. These tracking data were collected by the U.S. Fish and Wildlife Service. The entire data package...Tracking Data for Long-tailed Ducks (Clangula hyemalis)
Available here are tracking data of long-tailed duck, a species of seaduck that breeds throughout the circumpolar Arctic and spends the winter in coastal areas of northern and mid latitudes. These data were collected to determine range-wide migratory routes, migratory timing, and stopover habitats of this species.Tracking Data for Pacific Walrus (Odobenus rosmarus divergens)
Available here are tracking data of Pacific walrus, a marine mammal that ranges between the Alaska Peninsula, up through the Bering and Chukchi seas, and over to Russia. These data were collected from animals marked in the northern Bering and Chuckchi sea to understand seasonal movement patterns, use of coastal haulouts in northwestern Alaska, and determine estimates of abundance in autumn.Tracking Data for Common Eiders (Somateria mollissima)
Available here are tracking data of Common Eider, a sea duck species found across Alaska and the Arctic. Some populations migrate between distant breeding and wintering areas while others are essentially nonmigratory. These data were collected to better understand the migration of the different populations in Alaska and migratory connectivity to adjacent regions, such as Russia.Tracking Data for Whooper Swans (Cygnus cygnus)
Available here are tracking data for the whooper swan, a Eurasian species that closely resembles the trumpeter swan in North America. These data were collected to better understand the potential transmission of avian influenza viruses carried by swans and provide information on the migratory habits of whooper swans in East Asia.Tracking Data for Kittlitz's Murrelet (Brachyramphus brevirostris)
Available here are tracking data for the Kittlitz’s murrelet, a rare seabird species that nests solitarily on the ground in barren, often alpine areas near the North Pacific and Bering Sea.Tracking Data for Greater White-fronted Geese (Anser albifrons)
Available here are tracking data of Greater White-fronted Geese, a species that nests in coastal areas of western and northern Alaska and winters across a broad area of North America along the Pacific and Central flyways. These data were collected to better understand the timing and patterns of migratory movements and seasonal use of habitats in breeding, wintering, and migratory areas of North...Tracking Data for Whimbrel (Numenius phaeopus)
Available here are tracking data for the whimbrel, a striking example of a shorebird with its long and curved bill. The whimbrel is found throughout tundra and boreal habitats of Alaska during the summer and spends the winter along coast lines of the continental U.S., and central and South America. These data were collected to better understand the migratory patterns of this iconic species.Tracking Data for Emperor Geese (Anser canagicus)
Available here are tracking data for the Emperor Goose, an endemic waterfowl species to the Bering Sea region that breeds primarily in western Alaska on the Yukon-Kuskokwim Delta and spends the winter in southwestern Alaska and throughout the Aleutian Islands. These data were collected to better understand the migratory patterns, winter habitat use, and annual survival of emperor geese. - Data
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*Disclaimer: Listing outside positions with professional scientific organizations on this Staff Profile are for informational purposes only and do not constitute an endorsement of those professional scientific organizations or their activities by the USGS, Department of the Interior, or U.S. Government