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Soil and root characteristics were contrasted between a “declining” and a “healthy” sugar maple ( Acer saccharum  Marsh.) stand in Vermont, USA. The declining stand had lower basal area increment and more crown dieback than the healthy stand. Soil pH and base cation content were lower and soil water content was higher at the site of the declining stand than at the site of the healthy stand, whereas soil temperature did not differ significantly between the sites.

Root carbohydrate reserves, mineral nutrient concentrations and biomass in a healthy and a declining sugar maple ( Acer saccharum ) stand