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栎林及其经营

标题: 栎林及其经营
英文标题: OAK (QUERCUS L.) STAND AND ITS MANAGEMENT
作者: 郑均宝,王振东,李锡纯
英文作者: ZHENG JUNBAO
出版时间: 1990-01-01
机构: 河北农业大学
关键词: 栎林,林分结构,矮林作业,轮伐期
英文关键词: OAK STAND,STAND STRUCTURE,COPPICE SYSTEM,ROTATION
刊名: 河北林学院学报
ISSN: 1007-4961
卷号: 001
页码: 39-48
摘要: 该文主要论述了河北低山丘陵区自建国以来封育及被反复砍伐利用的栎林结构及其经营情况.仅山海关林场保存了一些30~50a生的栎林,阳坡为麻栎、栓皮栎及柞栎林,阴坡为蒙古栎林.林内幼树更新良好.萌生栎林早期生长迅速,10a后高生长逐渐减缓,50a生林分平均高才10m.1a生萌生栎林,每亩产枝干干重28.5~425kg不等.在土壤为中层-厚层厚度的条件下,栎林矮林作业轮伐期以3~5a为宜.采伐35~40a生栎林,每年每亩平均产值要略高于短轮伐期的栎林.在较好的立地条件下,还可采用选留木法的矮林作业,形成轮伐期不一致的具有2个林层的栎林.
英文摘要: t In the paper, the authors mainly discuss the structure and management of oak stands which were raised through closing mountains to human activities and then were repeatedly felled in lower hilly land in Hebei since the foundation of the People''s Republic of China. Now,only some of 30 to 40 year-old oak stands are still preserved in Shanhaiguan Forest Faim. There were sawtooth oak(Quercus acutissima Corr.),oriental oak (Q. Variab-ilis BL.)and daimnyo oak (Q. dentata Thunb, ) stands on the south slope of hi...