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Position: Home > Articles > Biomass and Carbon Sequestration of Eucalyptus urophylla × E. grandis Plantations at Different Ages Eucalypt Science & Technology 2013 (4) 11-14

不同林龄尾巨桉林木碳贮量研究

作  者：
周建辉;郑磊;张婧;杜阿朋
单  位：
国家林业局桉树研究开发中心;石家庄市园林绿化管理处;宁夏回族自治区固原市原州区叠叠沟林场
关键词：
尾巨桉;林龄;碳贮量
摘  要：
以雷州半岛6个林龄尾巨桉林分为研究对象,分析了不同林龄尾巨桉林分的单株生物量和林分碳贮量变化特征。结果表明:随着林龄的增长,尾巨桉林分的平均树高、平均胸径和单木生物量均有所增加,但各个器官所占比例的变化趋势不同:树干和树叶所占比例增加,树枝、树皮和树根所占比例降低。1~7年生尾巨桉林分碳贮量在1 822.56~33 925.75 kg·hm-2,随着林龄增长,尾巨桉林分的碳贮量呈逐渐增多的趋势。树干有机碳贮量所占比例迅速增大,树枝、树皮和树根的逐渐减小,树叶所占比例先增大后减小。
译  名：
Biomass and Carbon Sequestration of Eucalyptus urophylla × E. grandis Plantations at Different Ages
作  者：
ZHOU Jian-hui;ZHENG Lei;ZHANG Jing;DU A-peng;Diediegou Forest Farm of Yuanzhou District in Guyuan Municipality;Department of Landscaping Management of Shijiazhuang City;China Eucalypt Research Centre;
关键词：
Eucalyptus urophylla × E.grandis;;stand age;;carbon sequestration
摘  要：
Eucalyptus urophylla × E. grandis plantations of 6 different ages on the Leizhou Peninsula were analyzed to examine for variations in biomass and forest carbon storage. The results showed: with increasing plantation age average tree height, average DBH and plant biomass increased; the proportion of biomass located in different organs showed varying trends with age with the proportion located in trunks and leaves increasing but the proportion located in branches, barks and roots decreasing as age increases. Carbon storage across the plantations of 6 ages ranged from 1 823 kg?hm-2 to 33 926 kg?hm-2. As aged increased, the carbon storage in Eucalyptus plantations showed a gradual increasing trend. The proportion of the carbon located in trunks increased rapidly with age, but the proportions in branches, bark, and roots gradually decreased, whilst the proportion in leaves increased at first but then decreased.

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