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刺槐萌条与根系年龄不同组合对林分结构及生物量的影响

标题: 刺槐萌条与根系年龄不同组合对林分结构及生物量的影响
英文标题: EFFECT OF AGE-MATCHING BETWEEN SUCKERS AND ROOTSYSTEM ON STAND STRUCTURE AND BIOMASS OF BLACK LOCUST FIREWOOD FOREST
作者: 王德艺,左占生,王皓杰
英文作者: WANG DEYI,ZUO ZHANSHENG,WANG HAOJIC
出版时间: 1994-01-01
机构: 河北农业大学
关键词: 薪炭林,根系年龄,萌条年龄,林分结构,生物量,刺槐
英文关键词: FIREWOOD FOREST,ROOT AGE,STRUCTURE OF STAND,BIOMASS,BLACK LOCUST
刊名: 河北林学院学报
ISSN: 1007-4961
卷号: 002
页码: 110-116
分类号: S792.270.2
摘要: 探讨了萌条年龄与根系年龄的不同组合,对刺槐薪炭林结构和生物量的影响.结果表明,未割柴林分的萌条密度、平均高度、平均地径、叶面积指数、生物量和生产量,均随年龄增长而增加.割柴后萌生的林分,萌条数量增长缓慢,其余指标均呈下降趋势.随萌条与根系年龄差距的加大,下降的趋势愈加显著.
英文摘要: The coppice systems are adopted in firewood forest featuring of short rotation andmultiple sprout rcgenerations.This results in unmatched in age between suckers and root sys-tem,obviously will affect stand structure and biomass of black locust firewood forest.Thestudies with black locust showed that the sucker density,average height,average diameter atfoot,leaf area index,stand biomass and productivity all increased with age before havestingfuel wood.And after the coppice systems were practiced,all growth p...