详细信息
文献类型:期刊文献
中文题名:近20年辽宁省森林碳储量及其动态变化
英文题名:Forest carbon storage and dynamics in Liaoning Province from 1984 to 2000
作者:王雪军[1,2];黄国胜[2];孙玉军[1];付晓[3];韩爱惠[1,2]
第一作者:王雪军
机构:[1]北京林业大学省部共建森林培育与保护教育部重点实验室,北京100083;[2]国家林业局调查规划设计院,北京100714;[3]北京联合大学应用文理学院,北京100083
第一机构:北京林业大学省部共建森林培育与保护教育部重点实验室,北京100083
年份:2008
卷号:28
期号:10
起止页码:4757-4764
中文期刊名:生态学报
外文期刊名:Acta Ecologica Sinica
收录:CSTPCD;;Scopus;北大核心:【北大核心2004】;CSCD:【CSCD2011_2012】;
基金:国家自然科学基金资助项目(30571492);国家高等学校博士学科点专项科研基金资助项目(20060022009);引进国际先进林业科学技术计划资助项目(948)(2008-4-48)~~
语种:中文
中文关键词:辽宁省;生物量;碳储量;碳密度;碳汇
外文关键词:Liaoning Province ; biomass ; carbon storage ; carbon density ; carbon sink
摘要:利用辽宁省第3次(1984—1988年)至第6次(1999~2003年)4期森林资源清查资料,采用按优势树种(组)建立与材积兼容的生物量模型,测算辽宁省森林植被的生物量。同时,通过植物分子式的方法确定不同树种的含碳量参数,进而对辽宁省的森林植被碳储量进行了估算。结果表明:1984~2000年,辽宁省森林碳储量从1984年的51.82Tg C增加到2000年的70.30Tg C,年均增长1.16Tg C,森林的碳汇作用显著,尤其是在1990~1995年间的碳汇作用最强。在研究时段内,森林平均碳密度为20.61Mg C/hm^2,并呈现出了先上升后下降再上升的变化趋势。但低于全国平均值,这与目前辽宁省的林龄结构幼、中龄林所占比重很大有关。随着林龄结构的改善,森林成熟度不断增加,碳储量和碳密度会相应增加。
Based on the national continuous forest inventory data, forest biomass change in Liaoning Province from 1984 to 2000 was estimated using dominant tree species biomass models. Specifically, forest carbon storage was parameterized, via plant molecular formulae, as a function of individual tree species carbon content. The results show that forest carbon storage in Liaoning increased from 51.82 Tg C in 1984 to 70.30 Tg C by 2000 with an annual average accumulation of 1. 16 Tg C, indicating a gradual escalation of forest carbon sink. Forest carbon density increased from 1984 to 1990, followed by a decrease from 1990 to 1995 and an increase after 1995. The mean carbon density from 1984 to 2000 was estimated at 20.61 Mg C/hm^2 , which was significantly lower than the national average. A large proportion of young-aged and low quality of second-growth forests and plantations in Liaoning greatly limit carbon fixation. Forest carbon density will increase as the young-aged forests age and new management initiatives aiming to improve forest health are implemented.
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