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Variation in the functional traits of fine roots is linked to phylogenetics in the common tree species of Chinese subtropical forests

Aims The phylogenetic variations of fine root traits, which are related to plant growth and development as well as to physiological and ecological processes, are not fully understood. This study aimed to: (1) examine how tree species and sampling methodology affect the anatomical, morphological and... Full description

Journal Title: Plant and soil 2019-01-15, Vol.436 (1-2), p.347-364
Main Author: Liu, Cong
Other Authors: Xiang, Wenhua , Zou, Limei , Lei, Pifeng , Zeng, Yelin , Ouyang, Shuai , Deng, Xiangwen , Fang, Xi , Liu, Zelin , Peng, Changhui
Format: Electronic Article Electronic Article
Language: English
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Publisher: Cham: Springer International Publishing
ID: ISSN: 0032-079X
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recordid: cdi_proquest_journals_2166886782
title: Variation in the functional traits of fine roots is linked to phylogenetics in the common tree species of Chinese subtropical forests
format: Article
creator:
  • Liu, Cong
  • Xiang, Wenhua
  • Zou, Limei
  • Lei, Pifeng
  • Zeng, Yelin
  • Ouyang, Shuai
  • Deng, Xiangwen
  • Fang, Xi
  • Liu, Zelin
  • Peng, Changhui
subjects:
  • Analysis
  • Biomedical and Life Sciences
  • Ecological monitoring
  • Ecology
  • Environmental changes
  • Forests
  • Life Sciences
  • Mathematical analysis
  • Morphology
  • Nitrogen
  • Nutrient concentrations
  • Nutrients
  • Phylogenetics
  • Phylogeny
  • Plant growth
  • Plant Physiology
  • Plant Sciences
  • Plant tissues
  • Principal components analysis
  • Regular Article
  • Roots
  • Sampling
  • Sampling methods
  • Soil Science & Conservation
  • Species
  • Tropical forests
  • Variation
ispartof: Plant and soil, 2019-01-15, Vol.436 (1-2), p.347-364
description: Aims The phylogenetic variations of fine root traits, which are related to plant growth and development as well as to physiological and ecological processes, are not fully understood. This study aimed to: (1) examine how tree species and sampling methodology affect the anatomical, morphological and nutrient traits of fine roots; and (2) determine whether phylogenetic signals affect fine root trait relationships and influence comparison of root traits between the branch order-based and diameter-based cut-off sampling categories. Methods Fine root samples of 16 subtropical forest tree species were obtained and their anatomical, morphological and nutrient traits were studied. The phylogenetic signals of trait variations were calculated to determine trait relationships. Results Tree species and sampling methodology significantly affected fine root traits ( p  
language: eng
source:
identifier: ISSN: 0032-079X
fulltext: no_fulltext
issn:
  • 0032-079X
  • 1573-5036
url: Link


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titleVariation in the functional traits of fine roots is linked to phylogenetics in the common tree species of Chinese subtropical forests
creatorLiu, Cong ; Xiang, Wenhua ; Zou, Limei ; Lei, Pifeng ; Zeng, Yelin ; Ouyang, Shuai ; Deng, Xiangwen ; Fang, Xi ; Liu, Zelin ; Peng, Changhui
creatorcontribLiu, Cong ; Xiang, Wenhua ; Zou, Limei ; Lei, Pifeng ; Zeng, Yelin ; Ouyang, Shuai ; Deng, Xiangwen ; Fang, Xi ; Liu, Zelin ; Peng, Changhui
descriptionAims The phylogenetic variations of fine root traits, which are related to plant growth and development as well as to physiological and ecological processes, are not fully understood. This study aimed to: (1) examine how tree species and sampling methodology affect the anatomical, morphological and nutrient traits of fine roots; and (2) determine whether phylogenetic signals affect fine root trait relationships and influence comparison of root traits between the branch order-based and diameter-based cut-off sampling categories. Methods Fine root samples of 16 subtropical forest tree species were obtained and their anatomical, morphological and nutrient traits were studied. The phylogenetic signals of trait variations were calculated to determine trait relationships. Results Tree species and sampling methodology significantly affected fine root traits ( p  < 0.05). Mean root diameters, root tissue density (RTD) and carbon-to-nitrogen ratio were the lowest in the first-order category and highest in the ≤2 mm category. The reverse pattern was found for specific root length, specific root area and nitrogen concentration. Morphological traits showed significant phylogenetic signals; however, nutrient traits did not reflect phylogenetic conservatism. Phylogenetic factors influenced correlations between traits for the first-order root economics spectrum. Root traits were multidimensional and RTD was loaded on a novel phylogenetic principal component analysis. Conclusions Functional traits of fine roots are multidimensional for subtropical tree species and closely linked to phylogeny. Morphological traits of first order roots showed a much stronger phylogenetic signal than those of roots ≤2 mm (traditionally defined fine roots). The findings improve understanding of root trait strategies in response to environmental changes.
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subjectAnalysis ; Biomedical and Life Sciences ; Ecological monitoring ; Ecology ; Environmental changes ; Forests ; Life Sciences ; Mathematical analysis ; Morphology ; Nitrogen ; Nutrient concentrations ; Nutrients ; Phylogenetics ; Phylogeny ; Plant growth ; Plant Physiology ; Plant Sciences ; Plant tissues ; Principal components analysis ; Regular Article ; Roots ; Sampling ; Sampling methods ; Soil Science & Conservation ; Species ; Tropical forests ; Variation
ispartofPlant and soil, 2019-01-15, Vol.436 (1-2), p.347-364
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8Liu, Zelin
9Peng, Changhui
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descriptionAims The phylogenetic variations of fine root traits, which are related to plant growth and development as well as to physiological and ecological processes, are not fully understood. This study aimed to: (1) examine how tree species and sampling methodology affect the anatomical, morphological and nutrient traits of fine roots; and (2) determine whether phylogenetic signals affect fine root trait relationships and influence comparison of root traits between the branch order-based and diameter-based cut-off sampling categories. Methods Fine root samples of 16 subtropical forest tree species were obtained and their anatomical, morphological and nutrient traits were studied. The phylogenetic signals of trait variations were calculated to determine trait relationships. Results Tree species and sampling methodology significantly affected fine root traits ( p  < 0.05). Mean root diameters, root tissue density (RTD) and carbon-to-nitrogen ratio were the lowest in the first-order category and highest in the ≤2 mm category. The reverse pattern was found for specific root length, specific root area and nitrogen concentration. Morphological traits showed significant phylogenetic signals; however, nutrient traits did not reflect phylogenetic conservatism. Phylogenetic factors influenced correlations between traits for the first-order root economics spectrum. Root traits were multidimensional and RTD was loaded on a novel phylogenetic principal component analysis. Conclusions Functional traits of fine roots are multidimensional for subtropical tree species and closely linked to phylogeny. Morphological traits of first order roots showed a much stronger phylogenetic signal than those of roots ≤2 mm (traditionally defined fine roots). The findings improve understanding of root trait strategies in response to environmental changes.
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2Ecological monitoring
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4Environmental changes
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titleVariation in the functional traits of fine roots is linked to phylogenetics in the common tree species of Chinese subtropical forests
authorLiu, Cong ; Xiang, Wenhua ; Zou, Limei ; Lei, Pifeng ; Zeng, Yelin ; Ouyang, Shuai ; Deng, Xiangwen ; Fang, Xi ; Liu, Zelin ; Peng, Changhui
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abstractAims The phylogenetic variations of fine root traits, which are related to plant growth and development as well as to physiological and ecological processes, are not fully understood. This study aimed to: (1) examine how tree species and sampling methodology affect the anatomical, morphological and nutrient traits of fine roots; and (2) determine whether phylogenetic signals affect fine root trait relationships and influence comparison of root traits between the branch order-based and diameter-based cut-off sampling categories. Methods Fine root samples of 16 subtropical forest tree species were obtained and their anatomical, morphological and nutrient traits were studied. The phylogenetic signals of trait variations were calculated to determine trait relationships. Results Tree species and sampling methodology significantly affected fine root traits ( p  < 0.05). Mean root diameters, root tissue density (RTD) and carbon-to-nitrogen ratio were the lowest in the first-order category and highest in the ≤2 mm category. The reverse pattern was found for specific root length, specific root area and nitrogen concentration. Morphological traits showed significant phylogenetic signals; however, nutrient traits did not reflect phylogenetic conservatism. Phylogenetic factors influenced correlations between traits for the first-order root economics spectrum. Root traits were multidimensional and RTD was loaded on a novel phylogenetic principal component analysis. Conclusions Functional traits of fine roots are multidimensional for subtropical tree species and closely linked to phylogeny. Morphological traits of first order roots showed a much stronger phylogenetic signal than those of roots ≤2 mm (traditionally defined fine roots). The findings improve understanding of root trait strategies in response to environmental changes.
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orcididhttps://orcid.org/0000-0002-6762-7938