The effects of the Mount St. Helens eruption cloud on fir (Abies sp.) needle cuticles: analysis with scanning electron microscopy ( Abies amabilis, Abies grandis).
Abies amabilis and A. grandis needles provided a record of maximum air temperatures during the eruption, and helped reveal the pattern of heat distribution from the eruption cloud. This technique may prove useful for ecological studies in other heat-stressed habitats. -from Authors
Winner, WE; Casadevall, TJ
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