From: Estimates of live-tree carbon stores in the Pacific Northwest are sensitive to model selection
Positive correlation | Trees 3 to 66 cm diameter at breast height (DBH) | ||||||||
---|---|---|---|---|---|---|---|---|---|
Approach 1: No corrections | Approach 2: Developmental DBH range | Approach 3: With corrections | |||||||
Species | Minimum | Maximum | Uncertainty | Minimum | Maximum | Uncertainty | Minimum | Maximum | Uncertainty |
Tg C | Tg C | % of midpoint | Tg C | Tg C | % of midpoint | Tg C | Tg C | % of midpoint | |
Picea sitchensis | 1.54 | 4.75 | 51 | 1.53 | 4.13 | 46 | 1.55 | 4.39 | 50 |
Pseudotsuga menziesii | 9.56 | 455.32 | 96 | 31.26 | 70.40 | 38 | 18.57 | 135.57 | 76 |
Tsuga heterophylla | 10.54 | 32.11 | 51 | 11.40 | 26.33 | 40 | 10.99 | 30.57 | 47 |
Acer macrophyllum | 1.48 | 3.12 | 36 | 1.92 | 2.76 | 18 | 1.83 | 3.13 | 26 |
Alnus rubra | 2.40 | 16.19 | 75 | 10.13 | 15.59 | 20 | 2.98 | 19.40 | 73 |
NWOR total | 25.53 | 512.21 | 91 | 56.43 | 119.19 | 36 | 35.92 | 193.26 | 68 |
Negative correlation | Trees 3 to 66 cm diameter at breast height (DBH) | ||||||||
Approach 1: No corrections | Approach 2: Developmental DBH range | Approach 3: With corrections | |||||||
Species | Minimum | Maximum | Uncertainty | Minimum | Maximum | Uncertainty | Minimum | Maximum | Uncertainty |
Tg C | Tg C | % of midpoint | Tg C | Tg C | % of midpoint | Tg C | Tg C | % of midpoint | |
Picea sitchensis | 2.26 | 3.61 | 23 | 1.93 | 3.37 | 27 | 2.13 | 3.57 | 25 |
Pseudotsuga menziesii | 28.30 | 215.23 | 77 | 38.18 | 60.68 | 23 | 38.47 | 98.05 | 44 |
Tsuga heterophylla | 15.58 | 23.97 | 21 | 14.07 | 21.08 | 20 | 14.93 | 23.92 | 23 |
Acer macrophyllum | 1.90 | 2.70 | 17 | 2.08 | 2.63 | 11 | 2.16 | 2.78 | 13 |
Alnus rubra | 5.10 | 14.40 | 48 | 11.85 | 14.08 | 9 | 7.78 | 14.40 | 30 |
NWOR total | 53.05 | 259.91 | 66 | 68.11 | 101.83 | 20 | 65.48 | 142.73 | 37 |