【摘要】 应用生物与工程措施对科尔沁沙地西部流动沙丘进行植被恢复,并通过沙丘监测和植被调查来评价流沙固定和恢复效果。1.0×1.0m的草方格结合适宜的固沙植物,能达到最佳的防风固沙效果。流动沙丘经人工措施固定后,随固定年限的增加,土壤水源涵养能力逐步提高,土壤中的有效养分如全C、有效K、碱解N和有效P等指标显著提高,土壤化学性质得到明显改善。植被盖度明显提高,植物生态系统趋于相对稳定的状态。更多还原

【Abstract】 Applying biology and engineering measures to restoring the vegetation of shifting sand in western region of Horqin sandy land,and sand-stabilizing and restore effect were assessed through sand monitoring and vegetation investigation.1.0×1.0m size straw check boards with suited sand-stabilizing plants could achieve the best wind break and sand-stabilizing effect.As the time goes by after shifting sands were stabilized,soil water conservation capacity,and the available nutrients,total C,available K,N,and P were increased,soil chemical property was improved obviously.Vegetation coverage was increased and plant ecology system was inclined to reach stabilization condition relatively.更多还原