An increasingly important service to ecosystems in an era where the timing of mountain snowmelt is inconsistent every year.
Despite being an integral part of the mountain ecosystems, these special trees are in trouble and need our help. Whitebark and limber pine are in decline across most mountain landscapes in North America and are at risk of extinction. They face many challenges, including white pine blister rust (a non-native fungus), historical forest-fire suppression, mountain pine beetle, and climate change.
To help mitigate the multiple threats these trees face, seven mountain national parks have joined forces to share knowledge and take action to save whitebark and limber pines from extinction. Identifying trees that show natural resistance to whitebark pine blister rust, collecting cones and planting seedlings are among several methods Parks Canada uses to help restore whitebark pine and limber pine.
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