Changes in faunal and vegetation communities along a soil calcium gradient in northern hardwood forests
Abstract:Depletion of Ca from forest soils due to acidic deposition has had potentially pervasive effects on forest communities, but these impacts remain largely unknown. Because snails, salamanders, and plants play essential roles in the Ca cycle of northern hardwood forests, we hypothesized that their community diversity, abundance, and structure would vary with differences in biotic Ca availability. To test this hypothesis, we sampled 12 upland hardwood forests representing a soil Ca gradient in the Adirondack Mountains, New York (USA), where chronic deposition has resulted in acidified soils but where areas of well-buffered soils remain Ca rich due to parent materials. Along the gradient of increasing soil [Ca2+], we observed increasing trends in snail community richness and abundance, live biomass of redback salamanders (
Document Type: Research Article
Affiliations: 1: College of Environmental Science and Forestry, State University of New York, Syracuse, NY 13210, USA. 2: Appalachian Conservation Biology, Bethel, ME 04217, USA. 3: US Geological Survey, Troy, NY 12180, USA. 4: Onondaga Community College, Syracuse, NY 13215, USA.
Publication date: 2012-06-08
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