Page 12 - 《广西植物》2025年第8期
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1 3 7 8                                广  西  植  物                                         45 卷
            有显著的反应ꎮ 本研究的发现ꎬ为理解附生植物                               2019. Dependence of epiphytic community on autochthonous
            在养分稀缺的林冠环境中维持物种多样性的内在                                and allochthonous sources of nitrogen in three forest habitats
                                                                 of southern Vietnam [J]. Plant and Soilꎬ 443: 565-574.
            机制提供了实证数据ꎮ                                         FAN Xꎬ YUAN Gꎬ LIU Wꎬ 2022. Response strategies of N ̄
                 尽管本研究直接证实了固氮地衣在附生植物                             fixation by epiphytic bryophytes to water change in a
            间的氮转移现象ꎬ并能够反映固氮地衣的长期氮                                subtropical montane cloud forest [J]. Ecological Indicatorsꎬ
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            衣和苔藓受微环境影响显著ꎬ参照组必须在同质                                nitrogen source in a Colombian rain forest [ J]. Ecologyꎬ
                                                                 56(5): 1176-1184.
            微环境中选取ꎬ这严重限制了采样数量ꎮ 此外ꎬ附
                                                               FREIBERG Eꎬ 1999. Influence of microclimate on the
            生植物的氮源多样且其贡献多变ꎬ各种潜在氮源                                occurrence of cyanobacteria in the phyllosphere in a
            的同位素值可能存在重叠ꎬ这使得使用 N 自然丰                              premontane rain forest of Costa Rica [ J]. Plant Biologyꎬ
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            度法分析氮转移时ꎬ对特定氮源的评估出现不可
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            避免的误差ꎮ 因此ꎬ未来的研究可以考虑采用更                               Nitrogen fixation by phyllosphere bacteria associated with
            为精确的 N 标记法ꎬ以准确量化固氮地衣对附生                              higher plants and their colonizing epiphytes of a tropical
                     15
                                                                 lowland rainforest of Costa Rica [ J]. The ISME Journalꎬ
            植物的氮贡献ꎮ
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                 致谢  感谢哀牢山生态站及哀牢山国家级自                          GUILLEN Tꎬ KESSLER Mꎬ HOMEIER Jꎬ 2024. Fern
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