8年围封对内蒙古荒漠草原植物和土壤的影响

doi:10.11733/j.issn.1007-0435.2021.10.026

草地学报 ›› 2021, Vol. 29 ›› Issue (10): 2339-2345.DOI: 10.11733/j.issn.1007-0435.2021.10.026

8年围封对内蒙古荒漠草原植物和土壤的影响

王悦骅, 靳宇曦, 王忠武, 韩国栋

内蒙古农业大学草原与资源环境学院, 草地资源教育部重点实验室, 农业部饲草栽培、加工与高效利用重点实验室, 内蒙古自治区草地管理与利用重点实验室, 内蒙古呼和浩特 010010

收稿日期:2021-06-04 修回日期:2021-08-06 出版日期:2021-10-15 发布日期:2021-11-05
通讯作者: 韩国栋,E-mail:nmghanguodong@163.com
作者简介:王悦骅(1992-),男,汉族,内蒙古赤峰市人,博士研究生,研究方向为草地生态与资源管理,E-mail:yuehuawang1992@163.com
基金资助:
国家自然科学基金项目（31770500）；教育部草地资源可持续利用的科学基础项目（IRT_17R59）；内蒙古自治区科技重大专项（zdzx2018020）；内蒙古成果转化项目（2019CG069）

Effects of Eight Years Enclosure on Plants and Soil of Desert Steppe in Inner Mongolia

WANG Yue-hua, JIN Yu-xi, WANG Zhong-wu, HAN Guo-dong

Key Laboratory of Grassland Resources of the Ministry of Education, Key Laboratory of Forage Cultivation, Processing and High Efficient Utilization of the Ministry of Agriculture and Rural Affairs, Inner Mongolia Key Laboratory of Grassland Management and Utilization, College of Grassland, Resources and Environment, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia 010010, China

Received:2021-06-04 Revised:2021-08-06 Online:2021-10-15 Published:2021-11-05

摘要/Abstract

摘要： 为了探讨围封对荒漠草原植物和土壤的影响，在内蒙古短花针茅荒漠草原设计了不同放牧强度的试验，试验采用完全随机区组的设计，一共有3个区组，每个区组有4个处理，分别为围封、轻度放牧、中度放和重度放牧。试验期间采用样方法对样地内的植物进行了调查以及对土壤的全氮、全钾、全磷、速效钾、速效磷含量和pH进行了测定，我们的研究得出了以下主要结论：围封显著的增加了植物群落的盖度、密度、生物量和丰富度（P<0.05），同时也显著的增加了香浓熵指数、香浓维纳指数、辛普森指数、均匀度指数和丰富度指数（P<0.05）。围封对土壤全氮、全钾、全磷、速效磷和pH都没有显著的影响。在短花针茅荒漠草原，短期围封可以增加植物的多样性和生物量，但是对土壤没有影响。

关键词: 荒漠草原, 围封, 植物多样性, 土壤养分

Abstract: In order to study the effects of enclosure on plants and soil in the desert steppe of Stipa breviflora. The experiment adopted to a completely random block design, with 3 blocks, and each block had 4 treatments, namely enclosure, light grazing, moderate grazing and heavy grazing. During the experiment, the plants in the sample plot were investigated by sampling method, and the contents of total nitrogen, total potassium, total phosphorus, available potassium, available phosphorus and pH in the soil were measured. The main conclusions of this study are as follows:enclosure significantly increased the coverage, density, biomass and richness of the plant community (P<0.05), and also significantly increased the Shannon entropy, Shannon-wiener index, Simpson index, Pielou index, Diversity index, Magalef index (P<0.05). Enclosure had no significant effects on soil total nitrogen, total potassium, total phosphorus, available phosphorus and pH, but significantly increased the content of available potassium (P<0.05). In Stipa breviflora desert steppe, short-term enclosure can increase plant diversity and biomass, but has no effects on soil.

Key words: Desert steppe, Enclosure, Plant diversity, Soil nutrients

中图分类号:

S821.4+3

王悦骅, 靳宇曦, 王忠武, 韩国栋. 8年围封对内蒙古荒漠草原植物和土壤的影响[J]. 草地学报, 2021, 29(10): 2339-2345.

WANG Yue-hua, JIN Yu-xi, WANG Zhong-wu, HAN Guo-dong. Effects of Eight Years Enclosure on Plants and Soil of Desert Steppe in Inner Mongolia[J]. Acta Agrestia Sinica, 2021, 29(10): 2339-2345.

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8年围封对内蒙古荒漠草原植物和土壤的影响

Effects of Eight Years Enclosure on Plants and Soil of Desert Steppe in Inner Mongolia

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