晋北丘陵风沙区不同植被恢复模式的土壤化学特征与生态恢复效应
Research of Soil and Water Conservation(2017)
Abstract
通过对山西省右玉县从高家堡乡至右卫镇的公路两侧乔木林(小叶杨、樟子松、油松和华北落叶松)、灌木丛(沙棘、柠条和乌柳)及各种乔木、乔灌混交林的土壤化学特征分析,评价了乔、灌恢复模式的生态恢复效应.结果表明:(1)不同植被恢复模式的生态恢复效应差异显著,混交林生态恢复效果优于纯林;(2)灌木沙棘、柠条、乌柳在本区生态恢复中的作用突出,特别是豆科植物柠条的生态恢复效果优于其他非豆科植物;(3)乔木种樟子松、油松,灌木种沙棘、柠条、乌柳耐旱、耐寒,生态适应性强,在本区生态修复中作用明显,可用于本区人工植被恢复的植被重建优先物种;(4)本区土壤洁净,适宜发展有机农业.
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Key words
planted vegetation,soil physical and chemical characteristics,revegetation pattern,restoration effect
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