In 2009, Montana's Big Hole staff began monitoring an invasive plant threatening native habitat. 17 years later, spotted knapweed estimates stood at just 8% of its 2012 peak, showing strong control
Long-term monitoring and control efforts have significantly reduced spotted knapweed at Big Hole National Battlefield in Montana. Monitoring began in 2009 after the invasive plant threatened native habitat and other natural and cultural resources. The infestation reached its peak in 2012 on the Howitzer Hill and Horse Pasture slopes. Between…
The Economic Times ·