祁连山地不同退耕还林模式生态效应的分析  

Analysis of Ecological Effects of Different Models of Returning Farmland to Forest in Qilian Mountainous

作　　者：张应丰 ZHANG Yingfeng(Qinghai Forest Engineering Consulting Centre, Xining 810007, Qinghai, China)

机构地区：[1]青海省林业工程咨询中心,西宁810007

出　　处：《中南林业调查规划》2018年第2期27-29,46,共4页Central South Forest Inventory and Planning

基　　金：青海省林业厅项目:青海省2017年公益林监测评价(QHLY20170518)

摘　　要：通过对祁连山地不同退耕还林模式生态系统服务功能的研究,可知:不同退耕还林模式对净化大气效应的作用,由高到低顺序为:青海云杉+白桦>白桦>青海云杉>撂荒地;对改良土壤效应的作用,由高到低顺序为:青海云杉+白桦>白桦>青海云杉>撂荒地;对改善小气候效应的作用,由高到低顺序为:青海云杉+白桦>白桦>青海云杉>撂荒地。This article analyzed the ecological effects of different models of returning farmland to forest in Qil- ian mountainous. The results showed that： 1 ） the order of air purification effects from high to low was as fol- lows： mixture of Picea crassifolia and Betula platyphylla 〉 Betula platyphylla 〉 Picea crassifolia 〉 abandoned land; 2） the order of improved soil effects from high to low was as follows： mixture of Picea crassifolia and Betula platyphyUa 〉 Betula platyphylla 〉 Picea crassifolia 〉 abandoned land ; 3 ） the order of improved microcli- mate effects from large to small was as follows： mixture of Picea crassifolia and Betula platyphylla 〉 Betula platyphylla 〉 Picea crassifolia 〉 abandoned land.

关 键 词：祁连山地 退耕还林模式 生态效益 

分 类 号：S718.56[农业科学—林学]