IMHE OpenIR  > 山地表生过程与生态调控重点实验室
Alternative TitleLeaf Functional Traits of Abies fabri ( Mast.) in the Treeline of Gongga Mountain
赵小祥1,2; 王根绪1; 彭阿辉1,2; 张莉1,2; 冉飞1; 杨阳1; 杨燕1
Corresponding Author杨燕
Source Publication山地学报
Other Abstract



In the present study,Abies fabri leaves at the treeline of four sites including eastern slope,western slope,shady and sunny sites of the north-eastern slope surrounding Mt. Gongga were collected at the growing season of 2013. Needles specific leaf area( SLA) ,total nitrogen (TN) ,total phosphorus (TP),total carbon (TC) concentrations,and carbon isotope ratio (δ13C) were measured as functional traits.Moreover,soil samples at the altitude-limited up and down were collected to measure soil organic carbon (SOC),total nitrogen (TN),total phosphorus (TP),available nitrogen (AN),available phosphorus (AP). All the traits based on needles and soil
nutrients could be helpful for us to explore the potential mechanism of resource use strategy of Abies fafri in treeline.Our results showed that needles N: P ratio in treeline site was lower than 10,indicating N limitation at this area.Compared with altitude-limited down site,the lower SOC,AP,AN,and SLA in treeline sites indicated that soil available nutrient might probably be one factor to limit Abies fabri growth in this areas. Additionally,lower SLA in treeline sites also suggested that conservative strategy in Abies fabri was taken to just adapt low resource availability in treeline areas. Generally,our results suggested,to some extent,that soil nutrient utilization and the self resource utilization strategy should be considered as possible factors for Abies fabri growth and distribution in treeline areas of Gongga Mt.,particularly for C estimation using model in the future.



Keyword峨眉冷杉 林线 土壤养分 比叶面积 碳同位素
Subject AreaS791.14
Indexed ByCSCD ; 北大中文核心
Funding Organization中国科学院前沿科学重点研究计划(QYZDJ-SSW-DQC006) ; 国家自然科学青年基金项目(31100323,31300416) ; 国家重点研发计划课题(2017YFC0504900)
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
赵小祥,王根绪,彭阿辉,等. 贡嘎山林线峨嵋冷杉叶片功能属性特征[J]. 山地学报,2017,35(5):653-662.
APA 赵小祥.,王根绪.,彭阿辉.,张莉.,冉飞.,...&杨燕.(2017).贡嘎山林线峨嵋冷杉叶片功能属性特征.山地学报,35(5),653-662.
MLA 赵小祥,et al."贡嘎山林线峨嵋冷杉叶片功能属性特征".山地学报 35.5(2017):653-662.
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