DiscoverNature Talks: The Nature Conservancy of Canada PodcastThe World’s Most Endangered Ecosystem: Kept Healthy with Fire, Cows, and Bison
The World’s Most Endangered Ecosystem: Kept Healthy with Fire, Cows, and Bison

The World’s Most Endangered Ecosystem: Kept Healthy with Fire, Cows, and Bison

Update: 2018-08-23
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This is the story of how fire, cows, and bison keep the world’s most endangered ecosystem healthy.


NCC on location: Old Man on His Back Prairie and Conservation Area, Saskatchewan



  • Come with us as we visit the remote Old Man on His Back ranch in southwest Saskatchewan, and discover the tall grass prairie;

  • Hear from NCC's Natalie Hassett about why this is a special place, and the role of bison on the land;

  • Meet Dale Gross, a former NCC staffer and currently a graduate student. He's leading a research project to find out how disturbances like fire affect bison and cattle grazing patterns;

  • Learn why fire is an important mangement tool on the tall grass prairie;

  • Find out about bat expert's Julian Poissant's research project at Old Man on His Back, and his recent discovery of little brown bats on the property.


Nature Talks: The Nature Conservancy of Canada Podcast offers you fascinating stories about nature, why we need it in our lives, and the passionate Canadians helping to protect it. In this seven-part series, we’ll take listeners to some of Canada’s important natural areas, from the Bay of Fundy to Victoria. We talk to Canadians helping care for these places, from scientists to hometown heroes. Connect to Canada’s nature. Learn about the Nature Conservancy of Canada’s conservation work. And be inspired to find out how you can help support this work.

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The World’s Most Endangered Ecosystem: Kept Healthy with Fire, Cows, and Bison

The World’s Most Endangered Ecosystem: Kept Healthy with Fire, Cows, and Bison

Nature Conservancy of Canada