ZengFangXiangEtAl2017

Référence

Zeng, Y., Fang, X., Xiang, W., Deng, X. and Peng, C. (2017) Stoichiometric and nutrient resorption characteristics of dominant tree species in subtropical Chinese forests. Ecology and Evolution, 7(24):11033-11043. (Scopus )

Résumé

This study investigated seasonal patterns in stoichiometric ratios, nutrient resorption characteristics, and nutrient use strategies of dominant tree species at three successional stages in subtropical China, which have not been fully understood. Fresh leaf and leaf litterfall samples were collected in growing and nongrowing seasons for determining the concentrations of carbon (C), nitrogen (N), and phosphorus (P). Then, stoichiometric ratios (i.e., C:N, C:P, N:P, and C:N:P) and resorption parameters were calculated. Our results found that there was no consistent variation in leaf C:N and C:P ratios among different species. However, leaf N:P ratios in late-successional species became significantly higher, indicating that P limitation increases during successional development. Due to the P limitation in this study area, P resorption efficiency and proficiency were higher than corresponding N resorption parameters. Dominant tree species at early-successional stage adopted “conservative consumption”� nutrient use strategy, whereas the species at late-successional stage inclined to adopt “resource spending”� strategy. © 2017 The Authors. Ecology and Evolution published by John Wiley & Sons Ltd.

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@ARTICLE { ZengFangXiangEtAl2017,
    AUTHOR = { Zeng, Y. and Fang, X. and Xiang, W. and Deng, X. and Peng, C. },
    TITLE = { Stoichiometric and nutrient resorption characteristics of dominant tree species in subtropical Chinese forests },
    JOURNAL = { Ecology and Evolution },
    YEAR = { 2017 },
    VOLUME = { 7 },
    NUMBER = { 24 },
    PAGES = { 11033-11043 },
    NOTE = { cited By },
    ABSTRACT = { This study investigated seasonal patterns in stoichiometric ratios, nutrient resorption characteristics, and nutrient use strategies of dominant tree species at three successional stages in subtropical China, which have not been fully understood. Fresh leaf and leaf litterfall samples were collected in growing and nongrowing seasons for determining the concentrations of carbon (C), nitrogen (N), and phosphorus (P). Then, stoichiometric ratios (i.e., C:N, C:P, N:P, and C:N:P) and resorption parameters were calculated. Our results found that there was no consistent variation in leaf C:N and C:P ratios among different species. However, leaf N:P ratios in late-successional species became significantly higher, indicating that P limitation increases during successional development. Due to the P limitation in this study area, P resorption efficiency and proficiency were higher than corresponding N resorption parameters. Dominant tree species at early-successional stage adopted “conservative consumption”� nutrient use strategy, whereas the species at late-successional stage inclined to adopt “resource spending”� strategy. © 2017 The Authors. Ecology and Evolution published by John Wiley & Sons Ltd. },
    AFFILIATION = { Faculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, China; Huitong National Field Station for Scientific Observation and Research of Chinese Fir Plantation Ecosystem in Hunan Province, Huitong, China; Department of Biological Sciences, Institute of Environment Sciences, University of Quebec at Montreal, Montreal, QC, Canada },
    AUTHOR_KEYWORDS = { nutrient use strategy; resorption efficiency; resorption proficiency; stoichiometry ratios; successional stage },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.1002/ece3.3527 },
    SOURCE = { Scopus },
    URL = { https://www.scopus.com/inward/record.uri?eid=2-s2.0-85039036064&doi=10.1002%2fece3.3527&partnerID=40&md5=79991aa6cacd1d7df199b7176d525983 },
}

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