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- W3048111540 endingPage "271" @default.
- W3048111540 startingPage "259" @default.
- W3048111540 abstract "Summary Root exudation stimulates microbial decomposition and enhances nutrient availability to plants. It remains difficult to measure and predict this carbon flux in natural conditions, especially for mature woody plants. Based on a known conceptual framework of root functional traits coordination, we proposed that root functional traits may predict root exudation. We measured root exudation and other seven root morphological/chemical/physiological traits for 18 coexisting woody species in a deciduous‐evergreen mixed forest in subtropical China. Root exudation, respiration, diameter and nitrogen (N) concentration all exhibited significant phylogenetic signals. We found that root exudation positively correlated with competitive traits (root respiration, N concentration) and negatively with a conservative trait (root tissue density). Furthermore, these relationships were independent of phylogenetic signals. A principal component analysis showed that root exudation and morphological traits loaded on two perpendicular axes. Root exudation is a competitive trait in a multidimensional fine‐root functional coordination. The metabolic dimension on which root exudation loaded was relatively independent of the morphological dimension, indicating that increasing nutrient availability by root exudation might be a complementary strategy for plant nutrient acquisition. The positive relationship between root exudation and root respiration and N concentration is a promising approach for the future prediction of root exudation." @default.
- W3048111540 created "2020-08-13" @default.
- W3048111540 creator A5011728491 @default.
- W3048111540 creator A5017172191 @default.
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- W3048111540 creator A5075800682 @default.
- W3048111540 creator A5087501452 @default.
- W3048111540 date "2020-09-02" @default.
- W3048111540 modified "2023-10-14" @default.
- W3048111540 title "Root exudation as a major competitive fine‐root functional trait of 18 coexisting species in a subtropical forest" @default.
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