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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1111/nph.18263
|2 doi
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|a pubmed24n1137.xml
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|a (NLM)35590479
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Morikawa, Yumena
|e verfasserin
|4 aut
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|a Relationship between the vertical distribution of fine roots and residual soil nitrogen along a gradient of hardwood mixture in a conifer plantation
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 01.07.2022
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|a Date Revised 21.07.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2022 The Authors. New Phytologist © 2022 New Phytologist Foundation.
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|a In forest ecosystems, understanding the relationship between the vertical distribution of fine roots and residual soil nitrogen is essential for clarifying the diversity-productivity-water purification relationship. Vertical distributions of fine-root biomass (FRB) and concentrations of nitrate-nitrogen (NO3 -N) in soil water were investigated in a conifer plantation with three thinning intensities (Control, Weak and Intensive), in which hardwood abundance and diversity were low, moderate and high, respectively. Intensive thinning led to the lowest NO3 -N concentration in soil water at all depths (0-100 cm) and highest FRB at shallow depths (0-50 cm). The NO3 -N concentration at a given depth was negatively correlated with total FRB from the surface to the depth at which NO3 -N concentration was measured, especially at shallow depths, indicating that more abundant fine roots led to lower levels of downward NO3 -N leaching. FRB contributed positively to nitrogen content of hardwood leaves. These findings demonstrate that a hardwood mixture in conifer plantations resulted in sufficient uptake of NO3 -N from soil by well developed fine-root systems, and translocation to canopy foliage. This study suggests that productivity and water purification can be achieved through a hardwood mixture in conifer plantations
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a canopy leaf nitrogen
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|a diversity-productivity relationship
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|a nitrate-nitrogen
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|a nitrogen cycling
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|a nitrogen uptake
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|a resource partitioning
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|a soil depth
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|a soil water purification
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|a Soil
|2 NLM
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|a Water
|2 NLM
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|a 059QF0KO0R
|2 NLM
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|a Nitrogen
|2 NLM
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|a N762921K75
|2 NLM
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| 700 |
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|a Hayashi, Seiji
|e verfasserin
|4 aut
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|a Negishi, Yuki
|e verfasserin
|4 aut
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|a Masuda, Chie
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|a Watanabe, Mirai
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|a Watanabe, Keiji
|e verfasserin
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|a Masaka, Kazuhiko
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|4 aut
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|a Matsuo, Ayumu
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|a Suzuki, Masanori
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|a Tada, Chika
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|a Seiwa, Kenji
|e verfasserin
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 235(2022), 3 vom: 31. Aug., Seite 993-1004
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:235
|g year:2022
|g number:3
|g day:31
|g month:08
|g pages:993-1004
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|u http://dx.doi.org/10.1111/nph.18263
|3 Volltext
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