土壤-植物-大气连续体

土壤-植物-大气连续体（soil-plant-atmosphere continuum，SPAC）是指水从土壤通过植物转移到大气的生态过程^[1][2]。植物的根从土壤中吸收水分，通过细胞传输进入输导组织并最终完成光合作用, 再由植物气孔扩散至大气中^[3]。此外，水也可以通过植物从大气传输至土壤^[4]。

参考文献

1. Philip, J R. Plant Water Relations: Some Physical Aspects. Annual Review of Plant Physiology. 1966-06, 17 (1): 245–268. doi:10.1146/annurev.pp.17.060166.001333.
2. Gliński, Jan; Horabik, Józef; Lipiec, Jerzy. Soil–Plant–Atmosphere Continuum. Encyclopedia of agrophysics. Dordrecht: Springer. ISBN 978-90-481-3585-1. 引文使用过时参数coauthors (帮助)
3. Xue, Jinzhuang; Li, Bingxin; Wang, Jiashu; Liu, Le; Huang, Pu; Xiong, Conghui; Shen, Bing. Coupling relationship between radiation of early vascular plants and the long-term water cycle. Chinese Science Bulletin. 2023-04-01, 68 (12): 1459–1472. doi:10.1360/TB-2022-0718.
4. Eller, CB; Lima, AL; Oliveira, RS. Foliar uptake of fog water and transport belowground alleviates drought effects in the cloud forest tree species, Drimys brasiliensis (Winteraceae).. The New phytologist. 2013-07, 199 (1): 151–162. PMID 23534879. doi:10.1111/nph.12248.