北京山地绿化树种引进效果及其土壤保育功能研究  

Species Introduction and Their Soil Conservation in Mountainous Region in Beijing

作　　者：李少宁[1] 鲁韧强[1] 潘青华[1] 张玉平[1] 白金[1] 金万梅[1] 

机构地区：[1]北京市农林科学院林业果树研究所,北京100093

出　　处：《灌溉排水学报》2008年第6期83-87,共5页Journal of Irrigation and Drainage

基　　金：北京市科委重点项目(2007-2008)

摘　　要：对北京市石佛寺浅石山区引进绿化树种的适应性及长期以来对土壤养分元素的影响效果开展研究,结果表明,引进树种长势均匀,取得了良好成效,混交林、乔灌草结合的配置模式对土壤氮、磷、钾和有机质的改善作用明显。固土能力较强的是桧柏、沙地柏,分别是17.816 t/(hm2.a)和17.796 t/(hm2.a),混交林固土能力比纯林要强,黄栌+荆条配置模式的单位面积保肥价值是黄旗松+云杉保肥价值的1.71倍。价值量从大到小排序为:黄栌+荆条>黄柏+白蜡+元宝枫>桧柏>五角枫>华北落叶松>黄栌+五角枫+侧柏>沙地柏>油松>黄栌>白皮松>楸树>侧柏+山杏>黄旗松+云杉。可见,森林保肥能力既和固土能力有关,也与其林地土壤中的营养元素含量有密切关系。Research on soil fertility and soil conservation of species introduction in mountainous region in Beijing. The results show that the species introduction grows well. The pattern models of mixed forest and the trees brushes and grasses showed quite obvious function for improving soil nutrient （N, P, K and organic contents）. Using social public resources data and data declared by national authoritative organization, dynamics of quantity and value of forest ecosystem soil conservation were assessed in Shifuosi. The results show that the quantity of soil conservation is junberus semiglobosa 17. 816 t/（hm^2 · a）. sabina vulgaris 17. 796 t/（hm^2·a）. Total value of soil conservation of the pattern （Cotinus coggygria ＋ Vitex negundo var. heterophylla ） was 1.71 times as great as that of the pattern （Pinus taiwanensis＋ Piceapungens）. The value order of forest type is Cotinus coggygria ＋Vitex negundo var. heterophylla, Platycladus orientalis ＋ Fraxinus chinensis ＋ Acer truncatum, junberus semiglobosa, Acer truncatum, Larix principis-rupprech tii, Cotinus coggygria Scop ＋ Acer truncatum -＋ Platycladus orientalis, Sabina vulgaris, Pinus tabulaeformis Carr. , Cotinus coggygria Scop, Pinus bungeana, Catalpabungei C. A. Mey, Platycladus orientalist Prunus sibirica, Pinus taiwanensis＋ Piceapungens. The soil preservation ability and the soil nutrient are close relations to the capability of soil conservation.

关 键 词：树种引进 土壤养分 固土保肥 服务功能 石佛寺 

分 类 号：S731[农业科学—林学] S714