为了解广西漓江流域喀斯特地区植被不同恢复阶段植物的养分利用及养分限制状况，选取5种植被群落代表5个植被恢复阶段（分别为灌草丛阶段、灌丛阶段、灌木林阶段、次生乔木林阶段、原生乔木林阶段），对各恢复阶段植物优势种叶片和土壤的生态化学计量指标进行比较和相关性分析。结果表明：该区域植物优势种叶片和土壤的有机碳（C）、全氮（N）、全磷（P）、全钾（K）、全钙（Ca）和全镁（Mg）含量及其比值随恢复进程波动变化。灌草丛阶段叶片C和P含量最高（469.84和1.21 g·kg^-1），且C∶K和N∶K最大（134.64和5.67）；原生乔木林阶段叶片N、K和Mg含量最高（20.52、6.76和5.69 g·kg^﹣1），且K∶P最大（5.83）；次生乔木林阶段叶片Ca含量最高（34.05 g·kg^-1），且C∶P和N∶P最大（510.98和18.25）；灌木林阶段叶片C∶N最大（34.61）。灌草丛阶段土壤C和N含量最高（114.25和4.26 g·kg^-1），且C∶N、C∶P、C∶K、N∶P和N∶K最大（27.00、170.98、13.75、6.37和0.52）；原生乔木林阶段土壤P和Ca含量最高（1.03和6.42 g·kg^-1）；灌木林阶段土壤K含量最高（8.98 g·kg^-1），且K∶P最大（12.96）；次生乔木林阶段土壤Mg含量最高（11.53 g·kg^-1）。相关性分析结果显示：叶片C含量与土壤C、N、P、Ca含量呈显著（P<0.05）正相关，叶片N、Mg含量与土壤K含量分别呈显著正相关和极显著（P<0.01）负相关，叶片Ca含量与土壤Ca含量呈极显著负相关。综合分析结果表明：广西漓江流域喀斯特地区植被各恢复阶段植物生长均受磷限制，灌丛阶段植物生长还受氮限制，灌草丛阶段植物生长还受钾限制，因此，建议在该区域植被恢复和管理中适当增施有机肥。

 To understand the nutrient utilization and nutrient limitation status of plants at different restoration stages of vegetation in the karst area of the Lijiang River Basin in Guangxi, five vegetation communities representing five vegetation restoration stages (namely the shrubgrassland stage, the vineshrub stage, the shrub forest stage, the secondary arbor forest stage, and the primary arbor forest stage, respetively) were selected, the ecological stoichiometric indexes of leaves of plant dominant species and soil at each restoration stage were compared, and their correlations were analyzed. The results show that the contents and ratios of organic carbon (C), total nitrogen (N), total phosphorus (P), total potassium (K), total calcium (Ca), and total magnesium (Mg) in leaves of plant dominant species and soil in this region show fluctuated variations with the restoration process. The leaf C and P contents are the highest (469.84 and 1.21 g·kg^-1) and the leaf C∶K and N∶K are the largest (134.64 and 5.67) at the shrub-grassland stage; the leaf N, K, and Mg contents are the highest (20.52, 6.76, and 5.69 g·kg^-1) and the K∶P is the highest (5.83) at the primary arbor forest stage; the leaf Ca content is the highest (34.05 g·kg^-1) and the leaf C∶P and N∶P are the largest (510.98 and 18.25) at the secondary arbor forest stage; the leaf C∶N is the largest (34.61) at the shrub forest stage. The soil C and N contents are the highest (114.25 and 4.26 g·kg^-1) and the soil C∶N, C∶P, C∶K, N∶P, and N∶K are the largest (27.00, 170.98, 13.75, 6.37, and 0.52) at the shrub-grassland stage; the soil P and Ca contents are the highest (1.03 and 6.42 g·kg^-1) at the primary arbor forest stage; the soil K content is the highest (8.98 g·kg^-1) and the soil K∶P is the largest (12.96) at the shrub forest stage; the soil Mg content is the highest (11.53 g·kg^-1) at the secondary arbor forest stage. The correlation analysis results show that the leaf C content shows significant (P<0.05) positive correlations with the soil C, N, P, and Ca contents, while the leaf N and Mg contents show a significant positive correlation and an extremely significant (P<0.01) negative correlation with the soil K content, respectively, and the leaf Ca content shows an extremely significant negative correlation with the soil Ca content. The comprehensive analysis results show that the growth of plants at each restoration stage of vegetation in the karst area of the Lijiang River Basin in Guangxi is limited by phosphorus, the growth of plants at the vine-shrub stage is also limited by nitrogen, and the growth of plants at the shrub-grassland stage is also limited by potassium; thus, it is recommended that organic fertilizers should be appropriately applied in vegetation restoration and management of this area.