黄河故道天然滨海湿地碳氮磷化学计量特征

doi:10.13292/j.1000-4890.202602.007

生态学杂志 ›› 2026, Vol. 45 ›› Issue (2): 363-371.doi: 10.13292/j.1000-4890.202602.007

• 湿地生态与可持续利用专栏 • 上一篇下一篇

黄河故道天然滨海湿地碳氮磷化学计量特征

罗孟娇¹，刘佳璇¹，宋爱云²，吴霞³，屈凡柱^1*，王奥博^1,2

（¹鲁东大学滨海生态高等研究院，山东烟台 264025； ²山东航空学院山东省黄河三角洲生态环境重点实验室，山东滨州 256600； ³山东黄河三角洲国家级自然保护区一千二管理站，山东东营 257500）

出版日期:2026-02-10 发布日期:2026-08-01

Characteristics of C∶N∶P stoichiometry in natural coastal wetlands of the abandoned Yellow River course.

LUO Mengjiao¹, LIU Jiaxuan¹, SONG Aiyun², WU Xia³, QU Fanzhu^1*, WANG Aobo^1,2

(¹The Institute for Advanced Study of Coastal Ecology, Ludong University, Yantai 264025, Shandong, China; ²Shandong University of Aeronautics, Shandong Key Laboratory of Eco-Environmental Science for the Yellow River Delta, Binzhou 256600, Shandong, China; ³Yiqian’er Management Station, Yellow River Delta National Nature Reserve, Dongying 257500, Shandong, China).

Online:2026-02-10 Published:2026-08-01

摘要/Abstract

摘要： 为阐明黄河故道天然滨海湿地土壤和植物化学计量特征对滨海湿地发展过程的指示与响应，本研究选择潮滩裸地、碱蓬湿地、柽柳湿地和芦苇湿地为对象，明确黄河故道天然滨海湿地土壤和植物碳（C）、氮（N）和磷（P）含量及其化学计量比，并探讨土壤和植物的限制性养分。结果表明：黄河故道不同类型的天然滨海湿地土壤养分含量存在较大差异，土壤总碳（TC）、总氮（TN）含量总体表现为芦苇湿地＞柽柳湿地＞碱蓬湿地＞潮滩裸地，垂直剖面上主要表现为表层土壤大于深层土壤，而总磷（TP）含量并未表现出明显的变化规律；相关性分析显示，土壤TC含量与C∶P、N∶P呈显著正相关，土壤TN含量与C∶N、N∶P呈显著相关，且土壤TP含量相对稳定，表明研究区土壤主要受N元素的制约。不同植物群落对土壤养分的利用情况不同，芦苇TC含量最高，且C∶N、C∶P和N∶P显著高于其他植物群落，碱蓬群落TN和TP含量最高，C∶N、C∶P和N∶P均低于其他植物群落；研究区植物群落N∶P值高于全国平均水平，P元素利用率低，表明黄河故道天然湿地典型植物群落的生长发育主要受P元素制约。研究结果将为黄河故道的湿地植被恢复和保育工作提供可靠的数据支持。

关键词: 滨海湿地, 化学计量比, 碳氮磷, 植被类型, 黄河故道

Abstract: To clarify the indication and response of soil and plant stoichiometric ratios of natural coastal wetlands in the abandoned course of Yellow River to the development process of coastal wetlands, we selected bare tidal flats (BF), Suaeda salsa dominated wetlands (SW), Tamarix chinensis dominated wetlands (TW), and Phragmites australis dominated wetlands (PW) as the objects. We analyzed the carbon (C), nitrogen (N), and phosphorus (P) contents and their stoichiometric ratios of soils and plants of natural coastal wetlands to examine the nutrient limitation status. The results showed that there were significant differences in soil nutrient contents among different types of natural coastal wetlands. The total carbon (TC) and total nitrogen (TN) contents of soils generally followed the order of PW>TW>SW>BF. The TC and TN contents in the surface layer of soils were higher than those in the deep layer of soils, while the total phosphorus (TP) content did not show a clear pattern of change in vertical profiles. Soil TC content was significantly positively correlated with C∶P and N∶P, while TN content was significantly correlated with C∶N and N∶P. Considering the relatively stable contents of soil TP, the soil was limited by N in the study area. The utilization of soil nutrients by different plant communities was different. The TC, C∶N, C∶P, and N∶P of P. australis community were significantly higher than those of other plant communities. Though the S. salsa community had the highest TN and TP contents, C∶N, C∶P and N∶P were lower than those of other plant communities. The N∶P values of plant communities were higher than the national average level in China, and P utilization rate was low, indicating that the growth and development of typical plant communities in this area were mainly limited by P. Our results will provide reliable data support for the restoration and conservation of wetland vegetation in the abandoned Yellow River course.

Key words: coastal wetland, stoichiometric ratio, carbon, nitrogen, and phosphorus, vegetation type, abandoned Yellow River course

罗孟娇, 刘佳璇, 宋爱云, 吴霞, 屈凡柱, 王奥博. 黄河故道天然滨海湿地碳氮磷化学计量特征[J]. 生态学杂志, 2026, 45(2): 363-371.

LUO Mengjiao, LIU Jiaxuan, SONG Aiyun, WU Xia, QU Fanzhu, WANG Aobo. Characteristics of C∶N∶P stoichiometry in natural coastal wetlands of the abandoned Yellow River course.[J]. Chinese Journal of Ecology, 2026, 45(2): 363-371.

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黄河故道天然滨海湿地碳氮磷化学计量特征

Characteristics of C∶N∶P stoichiometry in natural coastal wetlands of the abandoned Yellow River course.

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