西北林学院学报2018，Vol.33Issue(3)：61-66,6.DOI:10.3969/j.issn.1001-7461.2018.03.10
抚育经营对杨桦次生林林分结构及土壤性质的影响
Effects of Tending Managements on Stand Structure and Soil Properties of Poplar-Birch Secondary Forests
摘要
Abstract
In order to improve the quality of low-quality and low-efficiency natural secondary forests occurring in the mountainous regions of eastern Liaoning Province,we took 20-year-old poplar-birch secondary forests as research objects,5 types of tests were carried out:strong cutting and replanting Korean pine,weak cutting and replanting Korean pine,clear cutting and replanting Korean pine with bud,clear cutting and replanting Korean pine without bud and control area (no operation).After 42 years of observation,the results showed that strong cutting and replanting Korean pine worked best,clear cutting and replanting Korean pine with bud took second place.The total stand volume of strong cutting and replanting Korean pine was the highest (359.9 m3 · hm-2),which was 55.7％ higher than that of the control area.The physical and chemical properties of soils were also the best in standard areas.After reasonable management,planting coniferous species under the forest,such as Korean pine,sand pine,etc.,and timely tending,these were helpful for the recovery of coniferous and broad-leaved forest.关键词
辽东山区/抚育经营/杨桦次生林/林分结构/森林土壤Key words
Mountainous Region of Eastern Liaoning Province/tending management/poplar-birch secondary forest/stand structure/forest soil分类
农业科技引用本文复制引用
红玉,王耀,金鑫,胡万良,王雪松,郑小贤..抚育经营对杨桦次生林林分结构及土壤性质的影响[J].西北林学院学报,2018,33(3):61-66,6.基金项目
国家重点研发项目计划(2017YFC050410503) （2017YFC050410503）
国家“十三五”重点研发计划项目(2017YFC0504100) （2017YFC0504100）
辽宁省农业攻关计划及成果产业化项目(2015103002). （2015103002）
