Author(s)

Rong Zhou ¹, Ziqi Liu ¹

Affiliation(s)

¹ Karst Research Institute, Guizhou Normal University, Guiyang, 550000, China

Corresponding Author

Ziqi Liu

ABSTRACT

In the management of karst desertification, water is the limiting factor for plant life. Plant water use efficiency (WUE) reflects the relationship between plant water consumption and dry matter production, serving as an objective evaluation index of drought-resistant characteristics of water use status. This index indicates the ecological drought sensitivity and adaptability of plants when subjected to drought stress. Stable carbon isotope technology is a valuable tool for evaluating water use efficiency (WUE) in plants. This paper provides an overview of the application of stable carbon isotopes in assessing plant WUE. It also examines the impact of environmental water status, CO2 concentration, and light on plant WUE. The findings can serve as a theoretical reference for the restoration of vegetation in karst desertification management ecosystems.

KEYWORDS

Stable carbon isotopes, Water use efficiency, Karst desertification

CITE THIS PAPER

Rong Zhou, Ziqi Liu, Application of Stable Carbon Isotope to Water Use Efficiency of Karst Plants. Journal of Modern Crop Science (2024) Vol. 3: 18-24. DOI: http://dx.doi.org/10.23977/jmcs.2024.030103.

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