Meta-Analysis of the Effects of Nitrogen and Phosphorus Addition on the Stoichiometric Characteristics of Soils Carbon,Nitrogen and Phosphorus in Tibetan Alpine Meadow

doi:10.11733/j.issn.1007-0435.2022.12.021

Acta Agrestia Sinica ›› 2022, Vol. 30 ›› Issue (12): 3345-3354.DOI: 10.11733/j.issn.1007-0435.2022.12.021

Meta-Analysis of the Effects of Nitrogen and Phosphorus Addition on the Stoichiometric Characteristics of Soils Carbon,Nitrogen and Phosphorus in Tibetan Alpine Meadow

LIN Wei-shan¹, DE ke-jia¹, ZHANG Lin¹, XIANG Xue-mei¹, FENG Ting-xu¹, QIAN Shi-yi¹, WEI Xi-jie¹, GENG Xiao-ping²

1. Academy of Animal Husbandry and Veterinary Science, Qinghai University, Qinghai Academy of Animal Husbandry and Veterinary Science, Xining, Qinghai Province 810016, China;
2. Bureau of Meteorology, Chengduo County, Qinghai Province, Yushuzhou, Qinghai Province 815199, China

Received:2022-05-17 Revised:2022-08-20 Published:2023-01-04

氮、磷添加对青藏高寒草甸土壤碳氮磷化学计量特征影响的Meta分析

林伟山¹, 德科加¹, 张琳¹, 向雪梅¹, 冯廷旭¹, 钱诗祎¹, 魏希杰¹, 耿晓平²

1. 青海大学畜牧兽医科学院, 青海省畜牧兽医科学院, 青海西宁 810016;
2. 青海省称多县气象局, 青海玉树州 815199

通讯作者: 德科加,E-mail:1162157948@qq.com
作者简介:林伟山(1996-),男,藏族,甘肃天祝人,硕士研究生,主要从事草地养分管理研究,E-mail:linws1314@163.com
基金资助:
国家自然基金项目(31860678);三江源生态系统教育部野外科学观测站;青海省重点研发与转化计划(2022-NK-114)资助

Abstract

Abstract: To understand the response of soil C,N,and P stoichiometric characteristics to N and P addition in alpine meadows on the Tibetan Plateau and improve nutrient management and nutrient balance of grassland ecosystems,21 articles (612 data items) were rigorously selected for Meta-analysis in this study,and the effects of different fertilization methods (N addition,P addition,N+P addition) and different fertilization intensities (light,moderate,and heavy) on soil C,N,and P stoichiometric characteristics of Qinghai-Tibet Plateau meadows were developed through subgroup analysis. The results showed that nutrient addition significantly increased soil C,N,and P contents in Tibetan plateau grassland;the effect of N addition on soil increased with fertilizer application intensity,and the best increase in soil C,N,and P stoichiometric characteristics was observed under light application of phosphorus alone (less than 20 g·m^-2) and the combination of nitrogen and phosphorus. Overall,it reflected that N and P additions had positive effects on alpine meadow soils,and the results of the study provided a scientific basis for the conservation of grassland ecosystems in the Qinghai-Tibet Plateau.

Key words: Nutrient addition, Physical and chemical properties of soil, Carbon,nitrogen and phosphorus stoichiometry characteristics, Meta-analysis

摘要： 为了解青藏高原高寒草甸土壤碳(Carbon，C)、氮(Nitrogen，N)、磷(Phosphorus,P)化学计量特征对氮、磷添加的响应，提高养分管理水平及草地生态系统的养分平衡。本研究严格筛选出21篇文章(612项数据)进行Meta分析，通过亚组分析分析了不同施肥方式(氮添加、磷添加、氮磷添加)、不同施肥强度(轻度、中度、重度)对青藏高原草地土壤C，N，P化学计量特征的影响。研究结果表明：养分添加显著增加了青藏高原草地土壤C，N，P含量；氮添加对土壤的增加效应随施肥强度增加而增加，磷轻度施肥(20g·m^-2以下)处理、氮磷添加轻度施肥处理下的土壤C，N，P含量及化学计量比增加效果最好。本研究结果总体反映出氮、磷添加对青藏高原高寒草甸土壤产生积极影响，研究结果可为青藏高原草地生态系统的保护提供科学依据。

关键词: 养分添加, 土壤理化性质, 碳、氮、磷化学计量特征, Meta分析

CLC Number:

S158

LIN Wei-shan, DE ke-jia, ZHANG Lin, XIANG Xue-mei, FENG Ting-xu, QIAN Shi-yi, WEI Xi-jie, GENG Xiao-ping. Meta-Analysis of the Effects of Nitrogen and Phosphorus Addition on the Stoichiometric Characteristics of Soils Carbon,Nitrogen and Phosphorus in Tibetan Alpine Meadow[J]. Acta Agrestia Sinica, 2022, 30(12): 3345-3354.

林伟山, 德科加, 张琳, 向雪梅, 冯廷旭, 钱诗祎, 魏希杰, 耿晓平. 氮、磷添加对青藏高寒草甸土壤碳氮磷化学计量特征影响的Meta分析[J]. 草地学报, 2022, 30(12): 3345-3354.

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Meta-Analysis of the Effects of Nitrogen and Phosphorus Addition on the Stoichiometric Characteristics of Soils Carbon,Nitrogen and Phosphorus in Tibetan Alpine Meadow

氮、磷添加对青藏高寒草甸土壤碳氮磷化学计量特征影响的Meta分析

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[2]	DING Si-jia, CHENG Mo-xiang, XIE Shuang-quan, WANG Xiu-suang, HAO Xing-ming, ZHUANG Li. Response of Growth Characteristics and Chlorophyll Fluorescence Characteristics of Ephemeral Plants to Different Soil Types [J]. Acta Agrestia Sinica, 2022, 30(12): 3308-3316.
[3]	JIANG Liang-chao, NING Qiu-shi, WANG Jin-song, WANG Jing-yuan, ZHANG Jin-xin, TIAN Da-shuan. A Global Analysis of the Designs and Methods Among Nitrogen Addition Experiments [J]. Acta Agrestia Sinica, 2022, 30(11): 2875-2883.
[4]	YE Qiong-dan, REN Fei, LI Yong-hui, ZHANG Zi-yang, FAN Na, YE Jun, LI Xi-lai, LI Lan-ping. Effects of Different Nutrient Additions on Functional Traits of Alpine Plant [J]. Acta Agrestia Sinica, 2022, 30(10): 2737-2744.
[5]	JIA Tao-tao, LIAO Li-rong, WANG Jie, LIU Guo-bin, ZHANG Chao. Effects of Grazing on Grassland Ecosystem on the Loess Plateau Based on A Meta-Analysis [J]. Acta Agrestia Sinica, 2022, 30(10): 2772-2781.
[6]	YAN He-piao, LI Wen-long, LIANG Tian-gang, ZHOU Hua-kun, CAO Ya-peng, LIAO Yuan-cheng. Effects of Different Restoration Measures on Degraded Alpine Grasslands of the Tibetan Plateau: A meta-analysis [J]. Acta Agrestia Sinica, 2021, 29(S1): 190-198.
[7]	WANG Ming-tao, FANG Jiang-ping, BAOSAI Hen-na, MIAO Yan-jun, WANG Xiang-tao, ZHAO Yu-hong, XIE Wen-dong, CANGMU De-ji. Effects of Continuous Utilization and Abandonment of Oat Grassland on Soil Characteristics of Alpine Grassland in Northern Tibet [J]. Acta Agrestia Sinica, 2021, 29(8): 1801-1808.
[8]	CHE Zhao-bi, XU Peng-fei, GUO Ya-ya, CAO Jia-min, HUANG Xing-yu, YANG Han-jun, LU Wei-hua, JIANG Li. Analysis of Soil Physical and Chemical properties of Formica aquilonia Yarrow Nest and Surrounding in Different Grassland Types [J]. Acta Agrestia Sinica, 2021, 29(5): 982-990.
[9]	DU Zhong-yu, AN Hui, WANG Bo, WEN Zhi-lin, ZHANG Ya-rou, WU Xiu-zhi, LI Qiao-ling. Effects of Nutrient Addition and Precipitation Manipulation on Plant Species Diversity and Biomass of in a Desert Grassland [J]. Acta Agrestia Sinica, 2020, 28(4): 1100-1110.
[10]	WU Jiang-qi, MA Wei-wei, LI Guang, YAN Li-juan, ZHU Hai-dong, LUO Yong-zhong, CHEN Guo-peng. Comparative Analysis of Physicochemical Property of Soil with Different Groundwater Level in GaHai Swamp Meadow Wetland [J]. Acta Agrestia Sinica, 2018, 26(2): 341-347.
[11]	ZHAO Xiao-chen, HUANGFU Chao-he, LIU Hong-mei, XIU Wei-ming, ZHAO Jian-ning, YANG Dian-lin. Response of Soil Enzyme Activity and Microbial Biomass Carbon and Nitrogen to the Nutrient Addition of Stipa Baicalensis Steppe in Inner Mongolia [J]. Acta Agrestia Sinica, 2016, 24(1): 47-53.