鲁中南砂石山区不同林分类型保土功能及其效益_杨吉华.pdfVIP

DOI :10.13870/j.cn i .stbcxb.2011.04.023 25 4 Vol.25 No.4 2011 8 Journal of Soil and Water Conservation Aug., 2011 　 杨吉华, 胡建朋, 罗明达, 李星辰 (/, 271018) : 6 , 。 :、、、, , , , ,0-20 cm , , ;、。6 2 :, 43.22 t/hm ;、, 2 2 41.85, 39.74, 38.39 t/hm ;, 31.32, 29.4 1 t/hm 。 、、、、、 、, , , 6 。 :;;; :S714.7　　　:A 　　　:1009-2242(2011)04-0063-06 Functions and Benefits of Soil Conservation of Different Forest Types in Sand Mountain of Central South Shandong YANG Ji-hua, HU Jian-peng, LUO Ming-da, LI Xing-chen (Shandong Province Key Laboratory of Soil Erosion and EcologicalRestroration/ Collegeof Forestry, Shandong Agricultural University, Taian,Shangdong 271018) Abstract:The soil conservation function of six forest types w ere studied in soil and w ater conservation experiment station of Linqu.The results showed that the Robiniapseudoacacia Linn.stand controlled the biggest soil erosion a- 2 mount of 43.22 t/hm , followed by stand of Quercus acutissi a Carr., Acer ono Maxim.,and Pistacia chinensis 2 Bunge with the amount of 41.85, 39.74, 38.39 t/hm .The Pinus thunbergii Parl and Platycladus orientalis 2 (Linn.)Franco stand controlled the smaller amount of 31.32, 29.4 1 t/hm .From the variance analysis of in- dexes, such as the amount of litter layer, total soil porosity, soil non-capillary porosity, soil organic matter content, soil infi