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Root functional change achieves water source separation under vegetation succession
http://hdl.handle.net/2241/00154845
http://hdl.handle.net/2241/00154845e34254eb-7ae6-4605-be2e-1f501d347e18
名前 / ファイル | ライセンス | アクション |
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ECOHYDROLOGY_11-7 (512.5 kB)
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Item type | Journal Article(1) | |||||
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公開日 | 2019-03-18 | |||||
タイトル | ||||||
タイトル | Root functional change achieves water source separation under vegetation succession | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
山中, 勤
× 山中, 勤 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Water source separation can be one of strategies for different plant species to coexist in a community. This study first demonstrates mechanisms of water source separation during vegetation succession. An isotope‐incorporated mechanistic model was employed to simulate the xylem water isotopic composition and the root water uptake profile for a Pinus densiflora–Quercus myrsinaefolia mixed stand undergoing secondary succession and a pure P. densiflora stand before succession. In the mixed stand, the model successfully simulated the xylem water isotopic composition on the assumption that the root surface resistance per unit length of root (rrs*) decreases with increasing depth for P. densiflora but is constant for Q. myrsinaefolia. Uptake fraction for P. densiflora was greater in deeper zones but in shallower for Q. myrsinaefolia. In contrast, in the pure stand, a constant rrs* for P. densiflora gave good reproducibility in isotope simulation and shallow water uptake dominated. These findings highlight root functional change as a mechanism of water source separation; pre‐existing P. densiflora trees decrease their deep‐root rrs* to compensate for an increase in shallow‐root rrs*. This mechanism was caused by competition against invading Q. myrsinaefolia trees. | |||||
書誌情報 |
Ecohydrology 巻 11, 号 7, p. e1985, 発行日 2018-05 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 19360584 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA12331725 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1002/eco.1985 | |||||
権利 | ||||||
権利情報 | © 2018 John Wiley & Sons, Ltd. | |||||
権利 | ||||||
権利情報 | "This is the pre-peer reviewed version of the following article: https://onlinelibrary.wiley.com/doi/full/10.1002/eco.1985, which has been published in final form at https://doi.org/10.1002/eco.1985. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions." | |||||
著者版フラグ | ||||||
値 | publisher | |||||
出版者 | ||||||
出版者 | wiley |