Bison in Montana

Work In Progress… Page Unfinished

As part of a class at Clark University, I was part of a consultancy with the Wildlife Conservation Society (WCS) on rangeland trends in Montana and the implications for Bison reintroduction, particularly for partners. Bison are a ecologically important species in the rangeland across the Western US, and remain a vital part of WCS’s mission. In particular WCS was interested in who they should partner with across Montana and within the Crown of the Continent ecoregion.

Research Objectives

Where and with whom should WCS build partnerships to successfully reintroduce bison to Montana?

  1. Where is potential bison habitat in Montana?
  2. What are the trends in bison habitat vegetation conditions between 2004-2018? Where are these trends occurring?
  3. What are the relationships between management unit size and ownership?
    • Federal, state, tribal, private ownerships

      Fig 1: Study Area with Rangeland across Montana highlighted

Habitat Modeling

Land Ownership

As ownership’s effect on suitable rangeland for bison was such a concern, we used the Montana State Cadastral database to understand how land was allocated in ownership classes across the state. We broke ownership down broadly into 4 groups: private, state, federal, and tribal lands. As seen below in Figure 2, Over half of suitable lands for bison are under private ownership, with federal lands being the next biggest owner.

Figure 2: Land Ownership across Bison suitable rangelands in Montana


More Coming Soon
Tyler Anderson
Graduate Student

Graduate Student at Clark University interested in Remote Sensing