Other species, like the ponderosa pines seen burning in this aerial shot of an Idaho fire, need frequent but more mild, low-level fires to thrive.

• 其它的种类，像美国黄松看到烧上在这空中的拍照一个爱达荷火灾，需要经常但是更多轻微的，低水平的火灾使繁荣兴旺。