National Park Service

Northern Great Plains Network (NGPN)

Inventory & Monitoring at Fort Union Trading Post National Historic Site

Fort Union Trading Post National Historic Site Fort Union Trading Post National Historic Site

Monitoring Documents

Inventory Reports

Park Species Lists

Data Links

Google Earth Maps (kmz) Google Earth logo

Search all Fort Union Trading Post NHS Publications

NPS LogoFort Union Trading Post NHS Home Page
NGPN park map
Location of Fort Union Trading Post NHS in the Northern Great Plains Network. Click for larger image.

Fort Union Trading Post National Historic Site was created to commemorate the fur trading post which operated from 1828-1867. Located on the upper Missouri River, the post contributed significantly to the history of exploration of the American Frontier and the peaceful coexistence of Frontiersmen and Plains Indians.

At just 442 acres, Fort Union is the smallest park in the network. The land within the park boundary is comprised of two distinct vegetative zones: the ancient upper floodplain on which the fort is located, i.e., the prairie, and the lower and sometimes flooded forested floodplain along the Missouri River. This mixture of woodland, prairie, and riparian vegetation provides habitat for a variety of wildlife. Bald eagles, least terns, and piping plovers as well as palid sturgeon occur in the vicinity of the park. More information about Fort Union's natural resources may be found on the park's Nature and Science webpage

Recreating the scene and conditions of the 1850s is an overriding priority for the park, but the history of cultivation, livestock grazing, and gravel mining has had serious impacts on park vegetation. Encroachment of exotic species, changes in riparian vegetation, and bank errosion are all natural resource concerns of the park.

Featured Information

Report – Plant community composition and structure monitoring for Fort Union Trading Post NHS: 2017 Data Report

FOUS Plant Community Monitoring 2017 Data Report Cover

The Northern Great Plains Inventory & Monitoring Network surveyed 6 long-term monitoring plots at FOUS in 2017 as part of an effort to better understand the condition of plant communities in the park.
Learn more...

Resource Brief – Bat monitoring results at Fort Union Trading Post NHS: 2015-2017

Bat monitoring results at Fort Union Trading Post NHS Cover

Midwest regional biologists and NGPN have conducted acoustic bat monitoring at Fort Union Trading Post NHS in 2015 to 2017. The goal of this monitoring is to detect long-term trends in bat populations at the park.
Learn more...

Resource Brief – Landbird monitoring results at Fort Union Trading Post NHS: 2016

Landbird monitoring results at Fort Union Trading Post NHS Cover

This is the fourth year of landbird surveys conducted at Fort Union Trading Post NHS. Bird monitoring is conducted in collaboration with the Bird Conservancy of the Rockies. The goal of this monitoring is to assess bird populations and community changes over time.
Learn more...

Report – Plant community composition and structure monitoring for Fort Union Trading Post NHS: 2016 Data Report

FOUS Plant Community Monitoring 2016 Data Report Cover

The Northern Great Plains Inventory & Monitoring Network surveyed 6 long-term monitoring plots at FOUS in 2016 as part of an effort to better understand the condition of plant communities in the park.
Learn more...


⇑ To Top of Page

Last Updated: March 14, 2018 Contact Webmaster