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题名: Regional constraints on leaf physiognomy and precipitation regression models: a case study from China
作者: Su, Tao1, 2; Spicer, Robert A.3, 4; Liu, Yu-Sheng (Chiristopher)5; Huang, Yong-Jiang6; Xing, Yao-Wu7; Jacques, Frederic M. B.1, 2; Chen, Wen-Yun8, 9; Zhou, Zhe-Kun10
刊名: BULLETIN OF GEOSCIENCES
关键词: palaeoflora ; palaeoclimate reconstruction ; leaf size ; precipitation ; CLAMP
英文摘要: The relationship between leaf physiognomy and precipitation has been explored worldwide in regions under different climate conditions. Unlike the linear relationship established between the percentage of woody dicot species with entire margins and mean annual temperature, precipitation has been reported to correlate to different leaf physiognomic characters depending on the region where the correlation is studied. To investigate if precipitation can be calculated from leaf physiognomic characters on the basis of regional sample sites, data from 50 mesic to humid forests in China were analyzed in this study. With data from Chinese forests, the leaf-area analysis based on linear regression between natural logarithms of leaf size and mean annual precipitation (MAP) shows no significant correlation. Both single and multiple linear regression analyses fail to confirm the correlation between leaf physiognomy and precipitation, which may result from the similarity of modern spatial distribution of temperature and precipitation in China. Our results show that, due to variations in climatic conditions among sampling regions, leaf physiognomic characters that correlate to precipitation are not consistent worldwide, and applications of models without considering regional constraints could mislead our understanding of palaeoclimate. Therefore, when choosing a leaf physiognomic model for palaeoclimate reconstructions, it is important to determine if the leaf physiognomy of the palaeoflora lies within the leaf physiognomic spectrum of the model used.
出版日期: 2013
卷号: 88, 期号:3, 页码:595-608
语种: 英语
收录类别: SCI
学科分类: Geosciences, Multidisciplinary; Paleontology
ISSN号: 1214-1119
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/16793
Appears in Collections:中国科学院东亚植物多样性与生物地理学重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Key Lab Trop Forest Ecol, Xishuangbanna Trop Bot Garden, Mengla 666303, Peoples R China
2.Chinese Acad Sci, Nanjing Inst Geol & Paleontol, State Key Lab Paleobiol & Stratig, Nanjing 210008, Jiangsu, Peoples R China
3.Open Univ, Ctr Earth Planetary Space & Astron Res, Milton Keynes MK7 6AA, Bucks, England
4.Chinese Acad Sci, Inst Bot, Beijing 100093, Peoples R China
5.E Tennessee State Univ, Dept Biol Sci, Johnson City, TN 37614 USA
6.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650204, Peoples R China
7.Univ Zurich, Inst Systemat Bot, CH-8008 Zurich, Switzerland
8.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650204, Peoples R China
9.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
10.Chinese Acad Sci, Key Lab Trop Forest Ecol, Kunming Inst Bot, Mengla 666303, Peoples R China

Recommended Citation:
Su, Tao; Spicer, Robert A.; Liu, Yu-Sheng (Chiristopher); Huang, Yong-Jiang; Xing, Yao-Wu; Jacques, Frederic M. B.; Chen, Wen-Yun; Zhou, Zhe-Kun.Regional constraints on leaf physiognomy and precipitation regression models: a case study from China,BULLETIN OF GEOSCIENCES,2013,88(3):595-608
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文件名: 2013102403.pdf
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