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Pando Aspen 2021 Remeasure, Paul C. Rogers
Pando Aspen 2021 Remeasure, Paul C. Rogers
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Upland aspen (Populus spp.) forests contribute significantly to biodiversity in their circumboreal role as keystone species. The 43-hectare Pando aspen (Populus tremuloides Michx.) clone in Utah, USA, is thought to be the largest living organism on earth, but is faltering due to chronic herbivory. Long-term resilience in aspen communities, including Pando, rests on successful recruitment of vegetative suckers. This is the first trend assessment of this threatened iconic forest using a vital indicators approach. I examined 64 plots using 19 indicators to determine current conditions. Findings show that a genetically uniform Pando is 'breaking up' because of herbivory fencing. Initial …