Long Description of Figure 3:

Graph (all values are approximate) -- COLUMN 1: ABGR (grand fir/Abies grandis)/PSME (Douglas-fir/Pseudotsuga menziesii var glauca) Andisol (location: Oregon; Source: Tolo), soil moisture regime - Udic, soil temperature regime - Frigid, Total solum or 3 ft. depth - 19,000-46,000 lb/acre organic carbon, A horizon - 0-18,999 lb/acre organic carbon; COLUMN 2: MC (mixed conifer)/PIMO (western white pine/Pinus monticola)/THPL (western red cedar/Thuja plicata) Alfisol (location: Idaho; Source: Helter), soil moisture regime - Udic, soil temperature regime - Frigid, Total solum or 3 ft. depth - 37,500-78,500 lb/acre organic carbon, A horizon - 0-37,499 lb/acre organic carbon; COLUMN 3: MC (mixed conifer)/PIMO (western white pine/Pinus monticola)/THPL (western red cedar/Thuja plicata) Andisol (location: Boulder Creek, Idaho; Source: Helter), soil moisture regime - Udic, soil temperature regime - Frigid, Total solum or 3 ft. depth - 10,000-49,000 lb/acre organic carbon, A horizon - 0-9,999 lb/acre organic carbon; COLUMN 4: PIEN (engelmann spruce/Picea engelmannii)/ABLA (subalpine fir/Abies lasiocarpa) Andisol (location: Oregon; Source: Helter), soil moisture regime - Udic, soil temperature regime - Cryic, Total solum or 3 ft. depth - 40,500-114,500 lb/acre organic carbon, A horizon - 0-40,499 lb/acre organic carbon; COLUMN 5: PIEN (engelmann spruce/Picea engelmannii)/ABLA (subalpine fir/Abies lasiocarpa) Inceptisol (location: New Mexico; Source: Helter), soil moisture regime - Udic, soil temperature regime - Cryic, Total solum or 3 ft. depth - 46,000-82,000 lb/acre organic carbon, A horizon - 0-45,999 lb/acre organic carbon; COLUMN 6: PIEN (engelmann spruce/Picea engelmannii)/ABLA (subalpine fir/Abies lasiocarpa) Inceptisol (location: Idaho; Source: Helter), soil moisture regime - Udic, soil temperature regime - Cryic, Total solum or 3 ft. depth - 36,500-68,500 lb/acre organic carbon, A horizon - 0-36,499 lb/acre organic carbon.