How important? 1, Energy pool of Earth Fresh water SOM Plant mass Crude oil Nutural gas
How important? 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 Energy pool(J, E22) Fresh water SOM Plant mass Coal Crude oil Nutural gas 1, Energy pool of Earth
How important? Carbon pool (Pg,1Pg=105g) Terretrial Ecosysten 620 SOM 1500 760 Ocean marine 38000 Rock 5000+1000
⚫ Carbon pool (Pg, 1Pg=1015 g) How important? Terretrial Ecosystem 620 SOM 1500 Air 760 Ocean & Marine 38000 Rock 5000+1000
How important? o SOM as a support for biomass production 70 归礼归礼舌 y=35.622Ln(x)-43.085 R2=0.9506 40 15 SOM(g/kg) 江苏80年代初期产量与有机质的关系
⚫ SOM as a support for biomass production How important? y = 35.622Ln(x) - 43.085 R 2 = 0.9506 40 50 60 70 80 10 15 20 25 30 SOM(g/kg) 基础产量/实际产量(%) 江苏80年代初期产量与有机质的关系
How important? Fauna Microbe 800 石林不同植被下的微生物C差异 口A层 600 400 200 0 500 r Fauna biomass soc in A horizon 灌木林乔木林柏林草地玉米红壤 400 植被类型 300 200 “y=435.48Ln(x)-1188.3 R2=0.9094 15 40 soc(g/g)
石林不同植被下的微生物C差异 0 200 400 600 800 灌木林 乔木林 柏林 草地 玉米 红壤 植被类型 微生物量碳(mg/kg) A层 B层 How important? Fauna & Microbe Fauna biomass & SOC in A horizon y = 435.48Ln(x) - 1188.3 R 2 = 0.9094 0 100 200 300 400 500 15 20 25 30 35 40 45 SOC(g/g) Soil Fauna biomass (Individual/m2)
soc Microbial community 6800 600 蓬400 是200 315.96 R2=0.9255 650 0100200300400 600 土壤动物个体数(条/m2) 500 ◆y=334.03Ln(x)-641.92 R2=0.9745 300 20 soc(g/kg)
SOC & Microbial community y = 315.96e0.0021x R 2 = 0.9255 0 200 400 600 800 0 100 200 300 400 土壤动物个体数（条/m2) 微生物量碳（mg/g) y = 334.03Ln(x) - 641.92 R 2 = 0.9745 300 350 400 450 500 550 600 650 1 0 2 0 3 0 4 0 5 0 SOC(g/kg) Microbial C(mg/kg)