红锥天然林土壤理化性质及水源涵养功能的研究

Studies on the Soil Physical and Chemical Properties and on the Water Conservation Function of Castanopsis hystrix Natural Forest

对福建华安红锥天然林土壤理化性质及林下凋落物持水能力的分析表明 :红锥天然林土壤各营养元素含量丰富 ,表土层养分状况优于深土层 ,但土壤偏酸 ,淋溶与富铝化作用强烈。红锥天然林的土壤容重、孔隙度、持水量及林下凋落物的水源涵养功能均比一般杉木人工林优越。

The analysis reveals that various nutrient element content of Castanopsis hystrix natural forest soil is rich,the nutrient status of top soil layer is superior to that of subsoil layer,the soil is relatively acid,and the eluviation is strong.The soil bulk density,porosity,water holding capacity,and water conservation function of litter of C.hystrix natural forest are all more favourable than those of the common plantation of Cunninghamia lanceolata.