Intraspecific biogenic silica variations in the grass species Pennisetum pedicellatum along an evapotranspiration gradient in South Niger
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- 作者：I. Issaharou-Matchia ; b ; issakissaharou@gmail.com" class="auth_mail" title="E-mail the corresponding author ; D. Barbonic ; J.-D. Meunierc ; M. Saadoud ; P. Dussouillezc ; C. Contouxc ; N. Zirihi-Guedee
- 关键词：Grass traits ; Phytolith ; Drought ; Plant functional ecology ; Sahel
- 刊名：Flora - Morphology, Distribution, Functional Ecology of Plants
- 出版年：2016
- 出版时间：April 2016
- 年：2016
- 卷：220
- 期：Complete
- 页码：84-93
- 全文大小：1838 K
文摘
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We examine changes in Si concentration in plant and soil samples from South Niger.
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Phytoliths/Amorphous Si in grass
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Phytoliths/Amorphous Si in soils increases with increasing NPP in the more humid south.
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Climate and soil ASi influence plant traits and Si uptake of this C4 tropical grass.
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Increased evapotranspiration increases silicification of bulliform cells.