喇叭泉林场干枯死亡沙枣林更新改造试验  

Withered & Death Elaeagnus angustifolia Plantation in Labaquan Forest Farm

作　　者：刘鹏 姬兴洲 张忠虎 陈杰昌 

机构地区：[1]甘肃省永昌县喇叭泉林场,甘肃永昌737200 [2]甘肃省金昌市林业局 [3]永昌县花草滩林场

出　　处：《防护林科技》2009年第5期19-22,共4页Protection Forest Science and Technology

基　　金：金昌市科技局项目(2005006)

摘　　要：通过在永昌县喇叭泉林场进行干枯死亡沙枣林更新改造试验,结果表明,更新改造后林带的防风效能明显高于死亡沙枣林;改造后林间湿度较旷野和未改造地有显著增加,改造后林地土壤持水能力和有机质含量在幅度增加。更新改造项目的实施取得了明显的生态效益和社会效益。Renewal and transformation experiments for withered ＆ death Elaeagnus angustifolia plantation in Labaquan forest farm in Yongchang county were conducted. Result shows that： windbreak potency is significantly higher than that of withered ＆ death Elaeagnus angustifolia plantation;humidity among the trees is significantly increased than that of wilderness ＆ non-transformation plantation after transformation; soil water-holding capacity ＆ organic matter content increase greatly after transformation. Implementation of renewal and transformation project gets significant ecological ＆ social results.

关 键 词：枯死沙枣林 更新改造 模式 永昌 

分 类 号：S754.3[农业科学—森林经理学]