This article discusses the development of studies on the application of carbon isotope technology for water use efficiency (WUE), biomass, past climate; summarizes the response of δ~(13)C in plants to water stress caused by drought, salinity and other environment factors and deduces the responsive mechanism of carbon stable isotope to.

On the basis of the stable carbon isotope geochemical and hydrochemical studies and experiments the paper summarises the features of stable carbon isotope geochemistry in the karst systems of the Guilin Karst Experimental Site, Huanglong Ravine and Wujiangdu Dam Site.

Based on stable carbon isotopes,an item-by-item analysis of the comprehensive system of Liangfeng cave in Guizhou is presented.

Based on the characteristics of triaromatic steranes,alkyl triaromatic steranes and stable carbon isotopes,the sources of the condensates were analyzed in Paleogene in Hongzhuang Oilfield in Qintong Sag,Northern Jiangsu Basin.

The stable carbon isotopes(δ13C)compositions of 28 plant species growing in Ebinur Lake Wetland in Xinjiang,China were measured.

The stable carbon isotope composition in plant is a powerful tool for studying on carbon cycle,biogeochemistry and paleoenvironment.

Application of stable carbon isotope technique in the research of carbon cycling in soil-plant system;

Temporal-spatial distribution of stable carbon isotope of organic matter and source analysis in the Changjiang Estuary;

Kinetic modeling of stable carbon isotope ratios of ethane from coal in confined system and its significance in geological application;