辽西地区次生林植被恢复对局地小气候的影响

目的]研究次生林植被对地方小气候的影响，为研究长远气候生态农业走向良性循环提供理论依据。方法]采用平行观测，对比分析方法，应用总辐射平衡、热量平衡原理，统计学原理分析次生林小气候特征。结果]次生林植被太阳辐射利用率提高41．1％；减小湍流5％～6％。蒸发耗热增加了5％左右；降低蒸发量1．6mm／d，提高土壤湿度1．56％；相对减小径流量71％、减少泥沙量67．9％。结论]恢复次生林植被，可以起到保水保土、降低风速、减少蒸发和风蚀的作用。在人为作用下逐渐恢复次生林、人工林可使小气候条件、生态农业朝着良性发展，对减轻扣缓解气象灾害具有深远的意义。

Effects of Secondary Forest Vegetation Restoration on Local Microclimate in Western Liaoning Area

Objective] The paper aimed to study the effects of the secondary forest vegetation restoration on local microclimate,provide theoretical basis for the long-term climate of ecological agriculture tend to a virtuous circle.Methods] Secondary microclimate characteristics were analyzed by the way of parallel observation,comparative analysis methods,application of the total radiation balance,heat balance principle,and statistical principle.Results] Utilization of secondary forest vegetation increased 41.1% af...