globalchange  > 气候减缓与适应
DOI: 10.1111/ele.12739
Scopus记录号: 2-s2.0-85013149576
论文题名:
The anatomical and compositional basis of leaf mass per area
作者: John G.P.; Scoffoni C.; Buckley T.N.; Villar R.; Poorter H.; Sack L.
刊名: Ecology Letters
ISSN: 1461023X
EISSN: 1461-0248
出版年: 2017
卷: 20, 期:4
起始页码: 412
结束页码: 425
语种: 英语
英文关键词: Deciduous ; evergreen ; functional traits ; leaf anatomy ; leaf density ; leaf economics ; leaf thickness ; mesophyll ; SLA ; specific leaf area
Scopus关键词: Magnoliophyta ; anatomy and histology ; angiosperm ; biological model ; life history trait ; physiology ; plant leaf ; Angiosperms ; Life History Traits ; Models, Biological ; Plant Leaves
英文摘要: Leaf dry mass per unit leaf area (LMA) is a central trait in ecology, but its anatomical and compositional basis has been unclear. An explicit mathematical and physical framework for quantifying the cell and tissue determinants of LMA will enable tests of their influence on species, communities and ecosystems. We present an approach to explaining LMA from the numbers, dimensions and mass densities of leaf cells and tissues, which provided unprecedented explanatory power for 11 broadleaved woody angiosperm species diverse in LMA (33–262 g m−2; R2 = 0.94; P < 0.001). Across these diverse species, and in a larger comparison of evergreen vs. deciduous angiosperms, high LMA resulted principally from larger cell sizes, greater major vein allocation, greater numbers of mesophyll cell layers and higher cell mass densities. This explicit approach enables relating leaf anatomy and composition to a wide range of processes in physiological, evolutionary, community and macroecology. © 2017 John Wiley & Sons Ltd/CNRS
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/107639
Appears in Collections:气候减缓与适应

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作者单位: Department of Ecology and Evolutionary Biology, University of California Los Angeles, 621 Charles E. Young Drive South, Los Angeles, CA, United States; Plant Breeding Institute, Sydney Institute of Agriculture, The University of Sydney, 12656, Newell Hwy, Narrabri, NSW, Australia; Área de Ecología, Universidad de Córdoba, Edificio Celestino Mutis, Campus de Rabanales, Córdoba, Spain; Plant Sciences (IBG2), Forschungszentrum Jülich GmbH, Jülich, Germany

Recommended Citation:
John G.P.,Scoffoni C.,Buckley T.N.,et al. The anatomical and compositional basis of leaf mass per area[J]. Ecology Letters,2017-01-01,20(4)
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