The average NPP of the Pinus tabulaeformis forest in Badaling forest center is 3.14 t/hm~2-a,,and the arbor layer NPP is 2.58 t/hm~2-a, which made up 82.17% of the total biomass;
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释义
八达岭林场油松林NPP的平均值为3.;14t/hm~2·a;其中乔木层NPP平均值为2
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