The Water Acquisition Strategies and Drought Adaptation Dynamics of Coexisting Species in Desert Steppe Plant Communities

Description

The data collected in this study focuses on the analysis of hydrogen and oxygen isotopic composition, soil water content, and species' water absorption characteristics. The experiment was designed to explore the relationships between isotopic variations in precipitation, soil, and plant water absorption. Specifically, the data includes: 13C Isotopic Data: Measurement of carbon isotope ratios in plant and soil samples to understand the carbon-water dynamics in the ecosystem. Hydrogen and Oxygen Isotopes in Precipitation and Soil: A series of isotopic measurements of hydrogen and oxygen in both precipitation and soil water samples to identify the isotopic overlap and the sources of water that influence plant water absorption and soil moisture. Soil Water Content: Quantification of soil moisture levels to investigate the availability of water for plant uptake and its correlation with isotopic data. Species Water Absorption Depth: Data related to the depth at which different plant species absorb water, providing insight into their water use strategies and adaptation to varying moisture levels in the soil. Water Source: Identification and categorization of the various water sources influencing plant and soil moisture, helping to establish the hydrological cycles in the study area. This data set was collected through field observations and laboratory analysis, focusing on understanding the impact of isotopic composition on water uptake mechanisms in plants and the surrounding environment.

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