Harvard Forest Chronic Nitrogen Plots Litter Decomposition Study Percent lignin Samples analysed with NIRSystems Near Infrared Spectrophotometer Collection Month Year Species Plot/Treatment n AvgPctLignin SDPctLignin 1 8 89 Red Pine Pine Control 2 40.98 0.12 2 11 89 Red Pine Pine Control 2 38.20 0.73 3 8 90 Red Pine Pine Control 2 38.02 1.52 4 11 90 Red Pine Pine Control 2 39.65 1.03 5 8 91 Red Pine Pine Control 2 42.28 0.59 6 11 91 Red Pine Pine Control 2 45.87 0.42 7 8 92 Red Pine Pine Control 2 44.85 0.23 8 11 92 Red Pine Pine Control 2 47.68 0.94 9 8 93 Red Pine Pine Control 2 49.79 0.63 10 11 93 Red Pine Pine Control 2 47.79 1.30 11 8 94 Red Pine Pine Control 4 50.72 1.53 12 11 94 Red Pine Pine Control 4 51.78 0.57 1 8 89 Red Pine Pine High N 2 41.23 0.44 2 11 89 Red Pine Pine High N 2 40.26 0.23 3 8 90 Red Pine Pine High N 2 38.70 0.26 4 11 90 Red Pine Pine High N 2 42.55 0.16 5 8 91 Red Pine Pine High N 2 45.39 0.61 6 11 91 Red Pine Pine High N 2 47.85 1.13 7 8 92 Red Pine Pine High N 2 45.52 0.81 8 11 92 Red Pine Pine High N 2 48.76 1.88 9 8 93 Red Pine Pine High N 2 50.48 0.88 10 11 93 Red Pine Pine High N 2 53.48 0.30 11 8 94 Red Pine Pine High N 4 53.85 0.56 12 11 94 Red Pine Pine High N 4 54.19 0.73 1 8 89 Red Pine Pine Low N 2 40.99 0.01 2 11 89 Red Pine Pine Low N 2 39.93 0.11 3 8 90 Red Pine Pine Low N 2 39.15 1.13 4 11 90 Red Pine Pine Low N 2 40.21 0.20 5 8 91 Red Pine Pine Low N 2 44.01 0.99 6 11 91 Red Pine Pine Low N 2 47.81 0.30 7 8 92 Red Pine Pine Low N 2 49.92 0.54 8 11 92 Red Pine Pine Low N 2 51.52 0.76 9 8 93 Red Pine Pine Low N 2 45.71 3.85 10 11 93 Red Pine Pine Low N 2 53.19 0.77 11 8 94 Red Pine Pine Low N 4 53.10 1.25 12 11 94 Red Pine Pine Low N 4 52.91 1.50 1 8 89 Red Pine HardControl 2 40.39 0.32 2 11 89 Red Pine HardControl 2 41.34 0.35 3 8 90 Red Pine HardControl 2 40.48 0.36 4 11 90 Red Pine HardControl 2 42.50 1.77 5 8 91 Red Pine HardControl 2 37.38 1.65 6 11 91 Red Pine HardControl 2 39.57 3.01 7 8 92 Red Pine HardControl 2 45.56 0.00 8 11 92 Red Pine HardControl 2 42.97 0.70 9 8 93 Red Pine HardControl 2 45.65 0.78 10 11 93 Red Pine HardControl 2 48.02 1.30 11 8 94 Red Pine HardControl 4 43.69 5.01 12 11 94 Red Pine HardControl 4 48.39 2.68 1 8 89 Red Pine Hard High N 2 40.56 0.28 2 11 89 Red Pine Hard High N 2 42.10 0.23 3 8 90 Red Pine Hard High N 2 44.77 0.08 4 11 90 Red Pine Hard High N 2 46.20 0.31 5 8 91 Red Pine Hard High N 2 43.34 2.25 6 11 91 Red Pine Hard High N 2 47.20 0.10 7 8 92 Red Pine Hard High N 2 47.90 0.88 8 11 92 Red Pine Hard High N 2 48.29 0.16 9 8 93 Red Pine Hard High N 2 48.18 1.81 10 11 93 Red Pine Hard High N 2 51.42 0.40 11 8 94 Red Pine Hard High N 4 52.66 0.62 12 11 94 Red Pine Hard High N 4 52.71 0.07 1 8 89 Red Pine Hard Low N 2 39.97 0.27 2 11 89 Red Pine Hard Low N 2 41.57 1.58 3 8 90 Red Pine Hard Low N 2 42.53 0.69 4 11 90 Red Pine Hard Low N 2 44.06 0.72 5 8 91 Red Pine Hard Low N 2 42.84 2.68 6 11 91 Red Pine Hard Low N 2 46.61 0.28 7 8 92 Red Pine Hard Low N 2 44.67 3.21 8 11 92 Red Pine Hard Low N 2 47.41 1.35 9 8 93 Red Pine Hard Low N 2 46.56 0.78 10 11 93 Red Pine Hard Low N 2 48.01 0.12 11 8 94 Red Pine Hard Low N 4 49.42 0.51 12 11 94 Red Pine Hard Low N 4 52.01 0.67 1 8 89 Red Maple Pine Control 2 43.89 0.49 2 11 89 Red Maple Pine Control 2 45.34 0.72 3 8 90 Red Maple Pine Control 2 48.09 0.19 4 11 90 Red Maple Pine Control 2 50.82 0.92 5 8 91 Red Maple Pine Control 2 51.13 0.42 6 11 91 Red Maple Pine Control 2 54.44 0.69 7 8 92 Red Maple Pine Control 2 53.22 0.25 8 11 92 Red Maple Pine Control 2 54.68 0.44 9 8 93 Red Maple Pine Control 2 55.40 1.32 10 11 93 Red Maple Pine Control 2 56.29 2.86 11 8 94 Red Maple Pine Control 4 55.77 0.73 12 11 94 Red Maple Pine Control 4 55.02 1.41 1 8 89 Red Maple Pine High N 2 44.00 0.00 2 11 89 Red Maple Pine High N 2 45.88 0.25 3 8 90 Red Maple Pine High N 2 47.54 0.29 4 11 90 Red Maple Pine High N 2 49.12 0.37 5 8 91 Red Maple Pine High N 2 52.24 0.14 6 11 91 Red Maple Pine High N 2 52.74 0.08 7 8 92 Red Maple Pine High N 2 52.94 0.18 8 11 92 Red Maple Pine High N 2 54.51 0.40 9 8 93 Red Maple Pine High N 2 55.61 0.13 10 11 93 Red Maple Pine High N 2 56.19 0.05 11 8 94 Red Maple Pine High N 4 56.94 1.12 12 11 94 Red Maple Pine High N 4 58.23 0.60 1 8 89 Red Maple Pine Low N 2 44.29 0.43 2 11 89 Red Maple Pine Low N 2 46.68 0.50 3 8 90 Red Maple Pine Low N 2 49.82 0.03 4 11 90 Red Maple Pine Low N 2 49.41 0.12 5 8 91 Red Maple Pine Low N 2 53.00 0.20 6 11 91 Red Maple Pine Low N 2 55.73 2.04 7 8 92 Red Maple Pine Low N 2 55.09 0.46 8 11 92 Red Maple Pine Low N 2 54.73 0.72 9 8 93 Red Maple Pine Low N 2 55.99 1.14 10 11 93 Red Maple Pine Low N 2 56.79 1.75 11 8 94 Red Maple Pine Low N 4 57.76 0.75 12 11 94 Red Maple Pine Low N 4 56.49 0.77 1 8 89 Red Maple HardControl 2 44.05 0.18 2 11 89 Red Maple HardControl 2 46.48 0.13 3 8 90 Red Maple HardControl 2 47.43 0.36 4 11 90 Red Maple HardControl 2 49.22 0.44 5 8 91 Red Maple HardControl 2 48.50 0.88 6 11 91 Red Maple HardControl 2 47.14 0.02 7 8 92 Red Maple HardControl 2 49.00 1.25 8 11 92 Red Maple HardControl 2 48.56 1.92 9 8 93 Red Maple HardControl 2 51.00 0.48 10 11 93 Red Maple HardControl 2 52.16 0.76 11 8 94 Red Maple HardControl 4 49.71 2.85 12 11 94 Red Maple HardControl 4 52.41 0.94 1 8 89 Red Maple Hard High N 2 43.40 0.61 2 11 89 Red Maple Hard High N 2 46.28 0.21 3 8 90 Red Maple Hard High N 2 48.42 0.25 4 11 90 Red Maple Hard High N 2 49.43 0.29 5 8 91 Red Maple Hard High N 2 50.49 0.25 6 11 91 Red Maple Hard High N 2 50.46 0.08 7 8 92 Red Maple Hard High N 2 51.58 0.28 8 11 92 Red Maple Hard High N 2 51.75 0.74 9 8 93 Red Maple Hard High N 2 51.58 0.63 10 11 93 Red Maple Hard High N 2 53.43 0.77 11 8 94 Red Maple Hard High N 4 55.41 2.16 12 11 94 Red Maple Hard High N 4 54.55 1.23 1 8 89 Red Maple Hard Low N 2 44.18 0.85 2 11 89 Red Maple Hard Low N 2 47.16 0.17 3 8 90 Red Maple Hard Low N 2 48.01 0.60 4 11 90 Red Maple Hard Low N 2 47.98 0.89 5 8 91 Red Maple Hard Low N 2 47.09 0.68 6 11 91 Red Maple Hard Low N 2 49.71 0.42 7 8 92 Red Maple Hard Low N 2 51.34 0.13 8 11 92 Red Maple Hard Low N 2 51.49 0.13 9 8 93 Red Maple Hard Low N 2 53.28 0.33 10 11 93 Red Maple Hard Low N 2 52.81 0.41 11 8 94 Red Maple Hard Low N 4 54.18 0.23 12 11 94 Red Maple Hard Low N 4 53.22 0.39 1 8 89 Black Oak HardControl 2 41.58 0.42 2 11 89 Black Oak HardControl 2 42.78 0.87 3 8 90 Black Oak HardControl 2 42.22 0.16 4 11 90 Black Oak HardControl 2 44.50 0.98 5 8 91 Black Oak HardControl 2 43.54 0.93 6 11 91 Black Oak HardControl 2 47.03 0.10 7 8 92 Black Oak HardControl 2 49.37 0.11 8 11 92 Black Oak HardControl 2 47.02 1.71 9 8 93 Black Oak HardControl 2 49.63 0.70 10 11 93 Black Oak HardControl 2 46.58 2.68 11 8 94 Black Oak HardControl 4 49.14 2.05 12 11 94 Black Oak HardControl 4 51.95 1.26 1 8 89 Black Oak Hard High N 2 41.65 0.76 2 11 89 Black Oak Hard High N 2 44.31 0.27 3 8 90 Black Oak Hard High N 2 44.80 0.10 4 11 90 Black Oak Hard High N 2 47.50 0.87 5 8 91 Black Oak Hard High N 2 47.85 0.38 6 11 91 Black Oak Hard High N 2 50.64 0.36 7 8 92 Black Oak Hard High N 2 52.15 0.46 8 11 92 Black Oak Hard High N 2 50.53 0.27 9 8 93 Black Oak Hard High N 2 51.42 0.50 10 11 93 Black Oak Hard High N 2 52.54 0.18 11 8 94 Black Oak Hard High N 4 53.85 1.50 12 11 94 Black Oak Hard High N 4 54.26 0.04 1 8 89 Black Oak Hard Low N 2 41.41 0.32 2 11 89 Black Oak Hard Low N 2 44.16 0.31 3 8 90 Black Oak Hard Low N 2 44.36 0.95 4 11 90 Black Oak Hard Low N 2 44.12 0.41 5 8 91 Black Oak Hard Low N 2 46.01 0.76 6 11 91 Black Oak Hard Low N 2 47.82 1.17 7 8 92 Black Oak Hard Low N 2 51.09 2.01 8 11 92 Black Oak Hard Low N 2 50.08 0.36 9 8 93 Black Oak Hard Low N 2 52.15 0.14 10 11 93 Black Oak Hard Low N 2 52.74 1.73 11 8 94 Black Oak Hard Low N 4 51.22 1.95 12 11 94 Black Oak Hard Low N 4 52.48 2.17 1 8 89 Yellow Birch Pine Control 2 40.12 0.01 2 11 89 Yellow Birch Pine Control 2 46.29 0.26 3 8 90 Yellow Birch Pine Control 2 45.55 0.51 4 11 90 Yellow Birch Pine Control 2 46.33 0.59 5 8 91 Yellow Birch Pine Control 2 48.37 0.37 6 11 91 Yellow Birch Pine Control 2 51.39 0.72 7 8 92 Yellow Birch Pine Control 2 50.67 0.61 8 11 92 Yellow Birch Pine Control 2 51.59 1.71 9 8 93 Yellow Birch Pine Control 2 51.93 0.65 10 11 93 Yellow Birch Pine Control 2 52.38 1.47 11 8 94 Yellow Birch Pine Control 4 51.87 0.50 12 11 94 Yellow Birch Pine Control 4 53.16 2.07 1 8 89 Yellow Birch Pine High N 2 40.51 0.12 2 11 89 Yellow Birch Pine High N 2 45.09 0.13 3 8 90 Yellow Birch Pine High N 2 46.98 0.10 4 11 90 Yellow Birch Pine High N 2 48.91 0.77 5 8 91 Yellow Birch Pine High N 2 50.04 0.98 6 11 91 Yellow Birch Pine High N 2 49.84 1.49 7 8 92 Yellow Birch Pine High N 2 52.80 1.14 8 11 92 Yellow Birch Pine High N 2 52.85 1.46 9 8 93 Yellow Birch Pine High N 2 55.34 0.58 10 11 93 Yellow Birch Pine High N 2 55.60 0.99 11 8 94 Yellow Birch Pine High N 4 56.81 0.87 12 11 94 Yellow Birch Pine High N 4 57.86 0.61 1 8 89 Yellow Birch Pine Low N 2 40.86 1.05 2 11 89 Yellow Birch Pine Low N 2 47.08 1.04 3 8 90 Yellow Birch Pine Low N 2 49.21 0.54 4 11 90 Yellow Birch Pine Low N 2 49.69 0.91 5 8 91 Yellow Birch Pine Low N 2 51.64 0.50 6 11 91 Yellow Birch Pine Low N 2 49.58 0.53 7 8 92 Yellow Birch Pine Low N 2 53.70 0.72 8 11 92 Yellow Birch Pine Low N 2 54.49 0.51 9 8 93 Yellow Birch Pine Low N 2 54.77 0.69 10 11 93 Yellow Birch Pine Low N 2 54.38 0.62 11 8 94 Yellow Birch Pine Low N 4 56.10 0.30 12 11 94 Yellow Birch Pine Low N 4 56.47 1.26