[1]江浩,季永华*,王磊,等.杨农复合经营系统碳储量及其分布特征研究[J].江苏林业科技,2015,42(03):28-31.[doi:10.3969/j.issn.1001-7380.2015.03.007]
 JIANG Hao,JI Yong-hua*,WANG Lei,et al.Carbon storage and distribution in poplar and poplar-crop intercropping forests[J].Journal of Jiangsu Forestry Science &Technology,2015,42(03):28-31.[doi:10.3969/j.issn.1001-7380.2015.03.007]
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杨农复合经营系统碳储量及其分布特征研究()
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《江苏林业科技》[ISSN:1001-7380/CN:32-1236/S]

卷:
第42卷
期数:
2015年03期
页码:
28-31
栏目:
试验研究
出版日期:
2015-06-30

文章信息/Info

Title:
Carbon storage and distribution in poplar and poplar-crop intercropping forests
文章编号:
1001-7380(2015)03-0028-04
作者:
江浩季永华* 王磊张亚楠
江苏省林业科学研究院,江苏南京211153
Author(s):
JIANG HaoJI Yong-hua*WANG LeiZHANG Ya-nan
Jiangsu Academy of Forestry,Nanjing,211153,China
关键词:
杨树 杨农复合生态系统 土壤 碳储量 分布特征
Keywords:
Poplar Agro-forestry ecosystem Soil Carbon storage Distribution
分类号:
S792. 11
DOI:
10.3969/j.issn.1001-7380.2015.03.007
文献标志码:
A
摘要:
以杨树纯林和杨农复合林2 种生态系统为研究对象,对林木、农作物( 林下植被) 、土壤、凋落物各组分的碳储量进行比较研究。结果表明,杨树纯林和杨农复合林的碳储量分别为( 101.59 ± 8.1) ,( 116.65 ± 10.3) t /hm2。在2 个生态系统中林木及土壤碳储量均占总量的90% 以上。杨农复合林凋落物和林下植被碳储量所占比例约为6%,是杨树纯林的2 倍。林木碳储量、农作物( 林下植被) 碳储量均为杨农复合林较高; 杨农复合林土壤碳储量仅在中间层( 10 ~ 25, 25 ~ 50 cm) 显著高于杨树纯林; 凋落物碳储量2 者之间差异不显著。相对纯林,农林复合系统具有较高的吸收和固碳能力。
Abstract:
Carbon storage and distribution in poplar and poplar-crop intercropping forests were studied in Dafeng Farm,north of Jiangsu Province. We concluded that the carbon storages of poplar and poplar-crop agro-forestry ecosystem were( 101. 59 ± 8. 1) and( 116. 65 ± 10. 3) t /hm2 respectively. And the soil and wood carbon storage were more than 90% ofthe total in both ecosystems. The carbon storage of undergrowth vegetations and litter-fall was about 6% in poplar-crop agroforestryecosystem,twice of that in poplar forest. There was significant difference in soil carbon storage between poplar andpoplar-crop agro-forestry ecosystem within the soil layers 10 ~ 25 and 50 ~ 100 cm. Carbon storages in the harvested parts( woods and undergrowth vegetations) of poplar forest were significantly lower than that in poplar-crop agro-forestry ecosystem.The carbon return in litter-fall showed no differences between two ecosystems. The results showed the agro-forestry ecosystemhad relatively a high potential in carbon absorption and sequestration.

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备注/Memo

备注/Memo:
收稿日期: 2015-03-19; 修回日期: 2015-04-02
基金项目: 江苏省林业三新工程项目“江苏杨树农田林网更新改造技术集成示范与推广”( LYSX[2015]04) ; 江苏省林业科学研究院青年基金项目“杨树纯林及杨农复合生态学碳汇功能研究”( JAF-2012-3)
作者简介: 江浩( 1983 - ) ,男,江苏扬州人,博士,主要从事森林生态研究。
* 通信作者: 季永华( 1966 - ) ,男,江苏如东人,研究员,学士,从事生态系统研究。E-mail: 327955393@ qq. com。
更新日期/Last Update: 2015-08-20