Elevation Alters Carbon and Nutrient Concentrations and Stoichiometry in Quercus Aquifolioides in Southwestern China
Science of the Total Environment 622–623 (2018) 1463–1475 Contents lists available at ScienceDirect Science of the Total Environment journal homepage: www.elsevier.com/locate/scitotenv Elevation alters carbon and nutrient concentrations and stoichiometry in Quercus aquifolioides in southwestern China Ao Wang a,c,g,1, Xue Wang a,b,g,1, Roberto Tognetti d,Jing-PinLeie, Hong-Li Pan f, Xing-Liang Liu f,YongJiangb, Xiao-Yu Wang b,g,PengHeb,g, Fei-Hai Yu a,⁎,Mai-HeLib,g,⁎ a Zhejiang Provincial Key Laboratory of Plant Evolutionary Ecology and Conservation, Taizhou University, Taizhou 318000, China b Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110164, China c College of Nature Conservation, Beijing Forestry University, Beijing 100083, China d Dipartimento di Agraria, Ambiente e Alimenti, Università del Molise, 86090 Campobasso, Italy - European Forest Institute (EFI) Project Centre on Mountain Forests (MOUNTFOR), 38010 San Michele all'Adige, Italy e Key Laboratory of Tree Breeding and Cultivation of State Forestry Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, China f Sichuan Academy of Forestry, Chengdu 610081, China g Forest dynamics, Swiss Federal Research Institute WSL, Zuercherstrasse 111, CH-8903 Birmensdorf, Switzerland HIGHLIGHTS GRAPHICAL ABSTRACT • The concentration of non-structural car- bohydrates (NSCs) in fine roots de- creased with elevation in winter. • Winter NSCs stored in roots transferred to aboveground tissues during winter and at the beginning of growing season. • Both available soil P and plant tissue P concentrations decreased with increas- ing elevation. • The upper limit of Q. aquifolioides on Balang Mountain may be co-deter- mined by winter root NSC storage and P availability.
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