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| Monarch butterflies have magnitite (a mineral) inside their heads and this helps them determine 'North', just like a magnet. |  |
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Helping Whitebark Pine to Survive and Grow in British Columbia
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High death rates of Whitebark Pine, caused by white pine blister rust, followed by poor regeneration of trees due to wildlife suppression.
Whitebark pine is found at high elevations in the coastal and interior mountain ranges of western North America. Many of these trees have died due to infection caused by white pine blister rust and, as a result, the overall population has declined. Forest fires favor the survival and regeneration of whitebark pine but government initiatives to suppress wildfire may be hampering their ability to regenerate after experiencing outbreaks of blister rust. Scientists from the University of Alberta, Canada, are investigating the extent of death and regeneration of whitebark pine in both undisturbed and disturbed forest sites.
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