A Study on the Agropyron mongolicum Community Classification and the Relationship Between that Community Characteristics and the Environment in Ningxia

doi:10.11733/j.issn.1007-0435.2023.02.024

Acta Agrestia Sinica ›› 2023, Vol. 31 ›› Issue (2): 498-509.DOI: 10.11733/j.issn.1007-0435.2023.02.024

A Study on the Agropyron mongolicum Community Classification and the Relationship Between that Community Characteristics and the Environment in Ningxia

ZHANG Jia-yu^1,3, LI Xiao-wei¹, LIU Wan-di¹, HUANG Wen-guang², MA Xiao-jing², YANG Li-bin³

1. Agriculture College, Ningxia University, Yinchuan, Ningxia 750021, China;
2. Ningxia Grassland Workstation, Yinchuan, Ningxia 750021, China;
3. Lingwu Grassland Management Station, Yinchuan, Ningxia 751400, China

Received:2022-07-05 Revised:2022-10-12 Published:2023-02-28

宁夏沙芦草群落分类及群落特征与环境关系的研究

张嘉玉^1,3, 李小伟¹, 刘万弟¹, 黄文广², 马晓静², 杨利斌³

1. 宁夏大学农学院, 宁夏银川 750021;
2. 宁夏草原工作站, 宁夏银川 750021;
3. 灵武市草原管理站, 宁夏银川 751400

通讯作者: 李小伟,E-mail:Lixiaowei@nxu.edu.cn
作者简介:张嘉玉(1993-),男,汉族,宁夏银川人,硕士研究生,主要从事草原生态研究,E-mail:496438797@qq.com
基金资助:
宁夏自然科学基金(2021AAC03085)；宁夏珍稀濒危植物调查项目(2021)；宁夏高等学校一流学科建设(草学学科)项目(NXY-LXK2017A01)资助

Abstract

Abstract: The study surveyed 17 Agropyron mongolicum communities and conducted the quantitative classification with Two-way indicator species analysis (TWINSPAN)，the relationship between the distribution of species and ecological factors was analyzed by the redundancy analysis (RDA) ordination method,in order to obtain some basic data and theoretical fundmentals for the conservation of Agropyron mongolicum. The results showed:the 17 plots of Agropyron mongolicum communities in Ningxia were divided into 7 associations,Agropyron mongolicum+Lespedeza davurica+Artemisia scoparia;Agropyron mongolicum+Lespedeza davurica+Salsola tragus;Agropyron mongolicum+Artemisia scoparia+Leymus secalinus,Agropyron mongolicum+Echinops gmelini;Agropyron mongolicum+Stipa breviflora;Agropyron mongolicum+Artemisia scoparia+Stipa breviflora;Agropyron mongolicum+Artemisia scoparia+Linum perenne. The results of RDA analysis showed that hemeroby,slope,soil water content,soil total phosphorus were the main factors affecting the above ground biomass of Agropyron mongolicum communities (P<0.05). The growing season precipitation and aspect were the main factors affecting the species diversity of the Agropyron mongolicum community (P<0.05). The fencing protection is a powerful measure to restore the Agropyron mongolicum community.

Key words: Agropyron mongolicum, Community diversity, Two-way indicator species analysis, Redundancy analysis, Species protection

摘要： 本文调查了宁夏17个典型沙芦草(Agropyron mongolicum)群落，采用双向指示种分析(Two-way indicator species，TWINSPAN)对沙芦草群落进行数量分类，利用冗余分析(Redundancy analysis，RDA)分析了其与环境因子之间的关系，旨在为沙芦草的保育提供基础数据和理论指导。结果表明：沙芦草群系可分为7个群丛，分别为沙芦草+兴安胡枝子(Lespedeza davurica)+猪毛蒿(Artemisia scoparia)群丛,沙芦草+兴安胡枝子+刺沙蓬(Salsola tragus)群丛,沙芦草+猪毛蒿+赖草(Leymus secalinus)群丛,沙芦草+砂蓝刺头(Echinops gmelini)群丛,沙芦草+短花针茅(Stipa breviflora)群丛,沙芦草+猪毛蒿+短花针茅群丛,沙芦草+猪毛蒿+宿根亚麻(Linum perenne)群丛。RDA分析显示扰动、坡度、土壤水分含量、土壤全磷含量是影响沙芦草群落地上生物量的主要因素(P<0.05)，而生长季降水量和坡向是影响沙芦草群落物种多样性的主要因素(P<0.05)，由此表明封育是恢复沙芦草群落的有力措施。

关键词: 沙芦草, 物种多样性, 双向指示种法(TWINSPAN), 冗余分析, 物种保护

CLC Number:

Q948.1

ZHANG Jia-yu, LI Xiao-wei, LIU Wan-di, HUANG Wen-guang, MA Xiao-jing, YANG Li-bin. A Study on the Agropyron mongolicum Community Classification and the Relationship Between that Community Characteristics and the Environment in Ningxia[J]. Acta Agrestia Sinica, 2023, 31(2): 498-509.

张嘉玉, 李小伟, 刘万弟, 黄文广, 马晓静, 杨利斌. 宁夏沙芦草群落分类及群落特征与环境关系的研究[J]. 草地学报, 2023, 31(2): 498-509.

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A Study on the Agropyron mongolicum Community Classification and the Relationship Between that Community Characteristics and the Environment in Ningxia

宁夏沙芦草群落分类及群落特征与环境关系的研究

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