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Soil properties determine the elevational patterns of base cations and micronutrients in the plant-soil system up to the upper limits of trees and shrubs

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Soil properties determine the elevational patterns of base cations and micronutrients in the plant-soil system up to the upper limits of trees and shrubs

dc.contributor.author	Wang, Ruzhen
dc.contributor.author	Wang, Xue
dc.contributor.author	Jiang, Yong
dc.contributor.author	Cerdà Bolinches, Artemi
dc.contributor.author	Yin, Jinfei
dc.contributor.author	Liu, Heyong
dc.contributor.author	Dijkstra, Feike A.
dc.contributor.author	Mai-He,Li
dc.contributor.author	Shi, Zhan
dc.contributor.author	Feng, Xue
dc.date.accessioned	2018-04-17T08:51:13Z
dc.date.available	2018-04-17T08:51:13Z
dc.date.issued	2018
dc.identifier.citation	Wang, Ruzhen Wang, Xue Jiang, Yong Cerdà Bolinches, Artemi Yin, Jinfei Liu, Heyong Dijkstra, Feike A. Mai-He,Li Shi, Zhan Feng, Xue 2018 Soil properties determine the elevational patterns of base cations and micronutrients in the plant-soil system up to the upper limits of trees and shrubs Biogeosciences 15 1763 1774
dc.identifier.uri	http://hdl.handle.net/10550/65716
dc.description.abstract	To understand whether base cations and micronutrients in the plant-soil system change with elevation, we investigated the patterns of base cations and micronutrients in both soils and plant tissues along three elevational gradients in three climate zones in China. Base cations (Ca, Mg, and K) and micronutrients (Fe, Mn, and Zn) were determined in soils, trees, and shrubs growing at lower and middle elevations as well as at their upper limits on Balang (subtropical, SW China), Qilian (dry temperate, NW China), and Changbai (wet temperate, NE China) mountains. No consistent elevational patterns were found for base cation and micronutrient concentrations in both soils and plant tissues (leaves, roots, shoots, and stem sapwood). Soil pH, soil organic carbon (SOC), total soil nitrogen (TN), the SOC to TN ratio (C : N), and soil extractable nitrogen (NO􀀀3 and NHC 4 / determined the elevational patterns of soil exchangeable Ca and Mg and available Fe, Mn, and Zn. However, the controlling role of soil pH and SOC was not universal as revealed by their weak correlations with soil base cations under tree canopies at the wet temperate mountain and with micronutrients under both tree and shrub canopies at the dry temperate mountain. In most cases, soil base cation and micronutrient availabilities played fundamental roles in determining the base cation and micronutrient concentrations in plant tissues. An exception existed for the decoupling of leaf K and Fe with their availabilities in the soil. Our results highlight the importance of soil physicochemical properties (mainly SOC, C : N, and pH) rather than elevation (i.e., canopy cover and environmental factors, especially temperature), in determining base cation and micronutrient availabilities in soils and subsequently their concentrations in plant tissues.
dc.language.iso	eng
dc.relation.ispartof	Biogeosciences, 2018, vol. 15, p. 1763-1774
dc.subject	Sòls, Estudis dels
dc.title	Soil properties determine the elevational patterns of base cations and micronutrients in the plant-soil system up to the upper limits of trees and shrubs
dc.type	journal article	es_ES
dc.date.updated	2018-04-17T08:51:13Z
dc.identifier.doi	10.5194/bg-15-1763-2018
dc.identifier.idgrec	125673
dc.rights.accessRights	open access	es_ES