中南林业科技大学学报

长期截雨干旱后毛竹土壤养分含量、储量和化学计量变化

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曹永慧 ¹ , 周燕 ² , 方庆 ³ , 赵紫晴 ¹ , 李剑鸣 ¹^,⁴ , 周本智 ¹

中南林业科技大学学报 | 林学 2026,46(8): 26-36

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中南林业科技大学学报 |林学 2026 , 46 (8) : 26 -36

长期截雨干旱后毛竹土壤养分含量、储量和化学计量变化

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曹永慧¹, 周燕², 方庆³, 赵紫晴¹, 李剑鸣¹^,⁴, 周本智¹

作者信息

^1.中国林业科学研究院亚热带林业研究所　浙江钱江源森林生态系统定位观测研究站，浙江　杭州　311400

^2.浙江省建德市新安江林场，浙江　建德　311699

^3.浙江省建德市建德林场，浙江　建德　311604

^4.东北林业大学　林学院，黑龙江　哈尔滨　150040

通讯作者:

周本智（benzhi_zhou@126.com），研究员，博士。

作者简介:

曹永慧（fjcyh77@sina.com），副研究员，博士。

Changes of soil nutrient content, storage and stoichiometry of Phyllostachys edulis after long-term throughfall exclusion

Yonghui Cao¹, Yan Zhou², Qing Fang³, Ziqing Zhao¹, Jianming Li¹^,⁴, Benzhi Zhou¹

Affiliations

^1.Research Institute of Subtropical Forestry, Chinese Academy of Forestry; Zhejiang Qianjiangyuan Forest Ecosystem Research Station, Hangzhou 311400, Zhejiang, China

^2.Xin'anjiang Forest Farm, Jiande 311699, Zhejiang, China

^3.Jiande Forest Farm, Jiande 311604, Zhejiang, China

^4.College of Forestry, Northeast Forestry University, Harbin 150040, Heilongjiang, China

出版时间: 2026-08-25 doi: 10.14067/j.cnki.1673-923x.2026.08.003

文章导航

摘要

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【目的】

阐明毛竹Phyllostachys edulis土壤养分对长期干旱的响应，预测未来气候变化对毛竹林生态系统的影响，指导竹林生产经营管理实践。

【方法】

通过“顶棚法”模拟截雨干旱处理，测定分析无截雨处理（CK）和长期截雨干旱处理（DR）对毛竹林土壤有机碳、全氮、全磷含量和储量及其化学计量特征的影响。

【结果】

1）在毛竹土壤0～50 cm土层，DR处理有效磷、水解性氮和有机碳含量以及C/N、C/P均显著低于CK（P<0.05），土壤全磷含量、pH值低于CK，全氮含量和N/P大于CK；2）DR和CK处理之间0～10、10～30、30～50 cm土层土壤养分含量差异不显著，DR各土层pH值均低于CK，其中10～50 cm土层pH值显著低于CK（P<0.05）；DR处理10～30 cm土层C/P以及10～50 cm土层C/N均显著低于CK（P<0.05），30～50 cm土层N/P显著高于CK（P<0.05）；3）DR处理0～50 cm土层有机碳和全磷储量低于CK，全氮储量高于CK；4）CK处理pH值与有机碳、全氮和全磷储量呈极显著正相关（P<0.01），DR处理pH值与C/N呈极显著负相关（P<0.01），与N/P呈显著正相关（P<0.05）；DR处理全氮、全磷及有机碳含量均与N/P呈显著或极显著正相关，全磷含量与C/N呈显著负相关（P<0.05）。

【结论】

土壤pH值、全磷含量和有效磷含量是干旱土壤氮磷平衡的主要影响因素。

关键词

毛竹 / 截雨干旱 / 土壤 / 碳氮磷储量 / 化学计量

Abstract

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【Objective】

Elucidating the response of soil nutrients to long-term drought can better predict the impact of climate change on the ecosystem of moso bamboo (Phyllostachys edulis）forest in the future, and can guide the production and management practice of bamboo forest.

【Method】

This study measured and analyzed the response of soil organic carbon, total nitrogen, total phosphorus content and storage, as well as their stoichiometric characteristics, to no throughfall exclusion (CK) and long-term throughfall exclusion (DR) in bamboo forests using the “ceiling method” for rain interception.

【Result】

The results showed that the average value of available phosphorus content, hydrolytic nitrogen and organic carbon content, as well as the average soil C/N and C/P values in the 0-50 cm soil layer of drought soil were significantly lower than those in the control soil (P<0.05). The total phosphorus content and average pH value of drought soil were slightly lower than those in the control, while the total nitrogen content and N/P value of soil were higher than those in the control. There was no significant difference in soil nutrient content between drought and control treatments in each soil layer of 0-10 cm, 10-30 cm, and 30-50 cm. The soil pH values in all drought soil layers were lower than those in the control, with the pH value in the 10-50 cm range being significantly lower than that of the control (P<0.05). The C/P value in the 10-30 cm drought soil layer and the C/N value in the 10-50 cm drought soil layer were significantly lower than those in the control (P<0.05), while the N/P value in the 30-50 cm soil layer was significantly higher than that in the control (P<0.05). Drought has increased the “surface aggregation” phenomenon of soil nutrient content and the chemical stoichiometry. The organic carbon storage and total phosphorus storage in the 0-50 cm soil layer under drought were lower than the control, while the total nitrogen storage in the soil was higher than the control. Relevant analysis shows that the pH value of the control soil is significantly positively correlated with organic carbon, total nitrogen, and total phosphorus storage (P<0.01), while the pH value of soil under drought stress is only significantly negatively correlated with C/N and significantly positively correlated with N/P. The total nitrogen, total phosphorus, and organic carbon content in soil under drought are significantly or extremely significantly positively correlated with N/P (P<0.05 or P<0.01), while the total phosphorus content is significantly negatively correlated with C/N (P<0.05).

【Conclusion】

The soil pH value, total phosphorus, and available phosphorus content are the main influencing factors of nitrogen and phosphorus balance in soils under drought.

Key words

Phyllostachys edulis / throughfall exclusion / soil / C, N, P storage / stoichiometry

引用本文

曹永慧, 周燕, 方庆, 赵紫晴, 李剑鸣, 周本智. 长期截雨干旱后毛竹土壤养分含量、储量和化学计量变化. 中南林业科技大学学报, 2026 , 46 (8) : 26 -36 . DOI: 10.14067/j.cnki.1673-923x.2026.08.003

Yonghui Cao, Yan Zhou, Qing Fang, Ziqing Zhao, Jianming Li, Benzhi Zhou. Changes of soil nutrient content, storage and stoichiometry of Phyllostachys edulis after long-term throughfall exclusion[J]. Journal of Central South University of Forestry & Technology, 2026 , 46 (8) : 26 -36 . DOI: 10.14067/j.cnki.1673-923x.2026.08.003

基金

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国家自然科学基金项目(32171774)
浙江省基础公益研究计划项目(LGF20C160001)

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2026年第46卷第8期

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文章信息

doi: 10.14067/j.cnki.1673-923x.2026.08.003

接收时间：2025-08-20
首发时间：2026-10-30
出版时间：2026-08-25

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出版历史

收稿日期：2025-08-20
修回日期：2025-11-01

基金

国家自然科学基金项目(32171774)

浙江省基础公益研究计划项目(LGF20C160001)

作者信息

^1.中国林业科学研究院亚热带林业研究所　浙江钱江源森林生态系统定位观测研究站，浙江　杭州　311400

^2.浙江省建德市新安江林场，浙江　建德　311699

^3.浙江省建德市建德林场，浙江　建德　311604

^4.东北林业大学　林学院，黑龙江　哈尔滨　150040

通讯作者:

周本智（benzhi_zhou@126.com），研究员，博士。

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2种不同金属材料的力学参数

科 Family	属数 Number of genus	种数 Number of species	占总种数比例 Percentage of total species (%)	属 Genus	种数 Number of species	占总种数比例 Percentage of total species (%)
鹅膏菌科Amanitaceae	2	11	5.26	鹅膏菌属 Amanita	10	4.78
小菇科 Mycenaceae	2	12	5.74	丝盖伞属 Inocybe	5	2.39
多孔菌科 Polyporaceae	8	14	6.70	蜡蘑属 Laccaria	5	2.39
红菇科 Russulaceae	3	23	11.00	小皮伞属 Marasmius	6	2.87
				小菇属 Mycena	11	5.26
				光柄菇属 Pluteus	5	2.39
				红菇属 Russula	17	8.13
				栓菌属 Trametes	5	2.39

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