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DOI10.1371/journal.pone.0044628
Altitudinal Variation in Leaf Nitrogen Concentration on the Eastern Slope of Mount Gongga on the Tibetan Plateau, China
Shi, Weiqi2; Wang, Guoan1; Han, Wenxuan3
通讯作者Wang, Guoan
来源期刊PLOS ONE
ISSN1932-6203
出版年2012
卷号7期号:9
英文摘要

Mount Gongga spans 6500 m in elevation and has intact and continuous vertical vegetation belts, ranging from subtropical evergreen broad-leaved vegetation to an alpine frigid sparse grass and desert zone. Investigating the altitudinal trends in leaf nitrogen (N) on Mount Gongga can increase our understanding of the global biogeography of foliar N. In this study, 460 leaf samples from mosses, ferns, and seed plants were collected along an altitudinal gradient on the eastern slope of Mount Gongga, and the variation in leaf N concentration (mass basis) with elevation was analyzed. There are considerable differences in leaf N between mosses and ferns, mosses and seed plants, C-4 and C-3 plants, and evergreen and deciduous woody plants. The general altitudial pattern of leaf N in Mount Gongga plants was that leaf N kept increasing until an elevation of about 2200 m above sea level, with a corresponding mean annual temperature (MAT) of 8.5 degrees C, and then decreased with increasing elevation. However, the evergreen woody plants displayed a decline trend in leaf N across the altitude gradient. Our findings provide an insight into the altitudinal variation in leaf N.


类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000311313900031
WOS关键词PHYSIOLOGICAL-RESPONSES ; STOICHIOMETRY ; WORLDWIDE ; POPULATIONS ; GRADIENTS ; PATTERNS ; CARBON ; PLANTS ; SOIL
WOS类目Multidisciplinary Sciences
WOS研究方向Science & Technology - Other Topics
来源机构中国农业大学
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/174562
作者单位1.China Agr Univ, Coll Resources & Environm Sci, Dept Environm Sci & Engn, Beijing 100094, Peoples R China;
2.Chinese Acad Trop Agr Sci, S Subtrop Crops Res Inst, Zhanjiang, Guangdong, Peoples R China;
3.China Agr Univ, Coll Resources & Environm Sci, Dept Ecol & Ecol Engn, Beijing 100094, Peoples R China
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Shi, Weiqi,Wang, Guoan,Han, Wenxuan. Altitudinal Variation in Leaf Nitrogen Concentration on the Eastern Slope of Mount Gongga on the Tibetan Plateau, China[J]. 中国农业大学,2012,7(9).
APA Shi, Weiqi,Wang, Guoan,&Han, Wenxuan.(2012).Altitudinal Variation in Leaf Nitrogen Concentration on the Eastern Slope of Mount Gongga on the Tibetan Plateau, China.PLOS ONE,7(9).
MLA Shi, Weiqi,et al."Altitudinal Variation in Leaf Nitrogen Concentration on the Eastern Slope of Mount Gongga on the Tibetan Plateau, China".PLOS ONE 7.9(2012).
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