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青海省森林土壤磷储量及其分布格局
唐立涛,刘丹,罗雪萍,胡雷,王长庭()
Forest soil phosphorus stocks and distribution patterns in Qinghai, China
TANG Li-Tao,LIU Dan,LUO Xue-Ping,HU Lei,WANG Chang-Ting()

图5. 青海省森林土壤磷密度随海拔的变化特征。

Fig. 5. Changes in soil phosphorus density with altitude in Qinghai Province.