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The Role Of Tree Species, The Herb Layer, And Watershed Characteristics On Nitrogen Cycling In A Central Appalachian Hardwood Forest, Sian E. Eisenhut
The Role Of Tree Species, The Herb Layer, And Watershed Characteristics On Nitrogen Cycling In A Central Appalachian Hardwood Forest, Sian E. Eisenhut
Graduate Theses, Dissertations, and Problem Reports
Little is known about the forest herbaceous layer’s contributions to nitrogen (N) cycling under varying levels of N deposition, at different stages of forest succession, in watersheds with different aspects, and under different tree species. The objectives of this study were to quantify nitrogen reductase activity (NRA) of two tree species, red maple and sugar maple, and surrounding common herb-layer species at the tissue (foliage, roots) and plot level and to assess how these species affect the concentrations of nitrate, ammonium, and organic N in soil water collected in lysimeters beneath these trees. Different watersheds located at the Fernow Experimental …