Home > Archive>Volume 28, Issue 2, 2020 >131-135. DOI:10.11926/jtsb.4115
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C, N, and P Concentrations and Their Stoichiometry of Leaves and Roots with Different Life Forms in Hainan Province
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    Abstract:

    In order to understand the resource-use strategies of nutrient elements of plants in tropical region, the C, N, and P concentrations and their stoichiometry of 9 species with three life forms in Hainan were studied. The results showed that there were not significant differences in C, N, and P concentrations and stoichiometric ratios among different life forms. The C, N, and P concentrations of leaves were higher than those of roots. The C and N concentration of leaves was positively related with that of roots, but the P concentration of leaves was negatively related with that of roots. The ratios of C:P and N:P were relatively smaller than that at national and global scale, indicating that plants had high growth rate in this region. N:P ratio less than 14 showed that plant growth were limited by N in Hainan. Therefore, it was suggested that the plants with different life forms in Hainan showed similar resource-use strategies, although N limitation occurred, the plants had high growth rate and retaining ability of N and P.

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张亚兴,朱丽薇,刘楠.海南不同生活型植物叶片和根系C、N、P化学计量特征[J].热带亚热带植物学报,2020,28(2):131~135

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History
  • Received:June 28,2019
  • Revised:August 19,2019
  • Online: March 24,2020
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