Much is covered in the news about deforestation by humans, but less is widely known about the damage done to forests by pests and diseases. The Food and Agriculture Organization (FAO) produces an assessment of the world’s forest resources every five years. Their last report highlighted the effect that climate change will have on forests and their pests.
“A changing climate will alter the disturbance dynamics of native forest insect
pests and pathogens, as well as facilitating the establishment and spread of introduced
There have already been incidences of pests spreading due to abnormally high winter temperatures. For example, the mountain pine beetle, Dendroctonus ponderosae, has been expanding its range in North America for the past fifteen years. Where it was once a pest of the…
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