[1]赵鹏,安富博*,赵赫然,等. 石羊河尾闾人工湿地植被分布与土壤因子关系研究[J].西北林学院学报,2023,38(6):95-102.[doi:10.3969/j.issn.1001-7461.2023.06.13]
　ZHAO Peng,AN Fu-bo*,ZHAO He-ran,et al. Relationship Between Soil Factors and Spatial Distribution of Desert Vegetation in Artificial Wetland of the Low Reaches of Shiyang River[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2023,38(6):95-102.[doi:10.3969/j.issn.1001-7461.2023.06.13]
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 石羊河尾闾人工湿地植被分布与土壤因子关系研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第38卷
期数:
2023年第6期
页码:
95-102
栏目:
出版日期:
2023-11-30

文章信息/Info

Title:
 Relationship Between Soil Factors and Spatial Distribution of Desert Vegetation in Artificial Wetland of the Low Reaches of Shiyang River
文章编号:
1001-7461(2023)06-0095-08
作者:
 赵鹏1; 2; 3; 安富博3*; 赵赫然3; 张裕年3; 段晓峰3
 (1.甘肃省治沙研究所 干旱区生态和荒漠化防治博士后工作站，甘肃 兰州 730070；2.兰州大学 大气科学博士后流动站，甘肃 兰州 730010；3.甘肃临泽荒漠生态系统国家定位观测研究站，甘肃 临泽 734200)
Author(s):
 ZHAO Peng1; 2; 3; AN Fu-bo3*; ZHAO He-ran3; ZHANG Yu-nian3; DUAN Xiao-feng3
 (1.Arid Zone Ecology and Desertification Control Postdoctoral Research Workstation,Gansu Desert Control Research Institute,Lanzhou 730070,Gansu,China; 2.Atmospheric Sciences Postdoctoral Station,Lanzhou University,Lanzhou 730010,Gansu,China;3.Gansu Linze National Positioning Observation and Research Station for Desert Ecosystem,Linze 734200,Gansu,China)
关键词:
 ; 人工湿地; 荒漠植被; 土壤因子; 生态位; 空间分布
Keywords:
 ; artificial wetland;  desert vegetation;  soil factors;  niche;  spatial distribution
分类号:
S718.53
DOI:
10.3969/j.issn.1001-7461.2023.06.13
文献标志码:
A
摘要:
 根据野外样地调查资料，结合室内分析，采用典范对应分析CCA方法，研究荒漠植被分布与土壤因子的关系，以期为石羊河下游人工湿地植被恢复与重建提供理论支撑。结果表明，人工湿地荒漠植被群落以耐盐碱的湿生物种为主，包括24个植物种，其中灌木8种，多年生草本8种，1年生草本8种，草本植物占总物种数的66.67%。白刺、芦苇、梭梭、黑果枸杞、盐爪爪、猪毛菜、盐生草生态位宽度较大，对生态输水后青土湖人工湿地生境的适应能力较强。湖区土壤水分均值为9.85%，黏粒含量均值5.25%，粉粒含量均值为21.22%，砂粒含量均值为73.52%。有机质含量均值为11.8 g/kg。TN含量均值为5.8 g/kg、速效磷含量均值为0.2 mg/kg，pH均值为7.39，电导率均值578.31 μm/cm。表层土壤粒度组成以细砂、粉粒和极细砂为主。CCA排序表明土壤水分、速效磷、电导率是人工湿地植被群落空间分布的关键驱动因子。
Abstract:
 Based on field survey data and laboratory analysis,CCA canonical correspondence analysis was used to study the relationship between desert vegetation distribution and soil factors to provide theoretical support for vegetation restoration and reconstruction in artificial wetland in the lower reaches of the Shiyang River.The results showed that the desert vegetation community of artificial wetland was dominated by saline-alkali tolerant wet species,including 24 plant species (8 shrubs,8 perennial herbs and 8 annual herbs),and herbs accounted for 66.67% of the total.The ecological niche widths of Nitraria tangutorum,Phragmites australis,Haloxylon ammodendron,Lycium ruthenicum,Kalidium foliatum,Kali collinum,and Halogeton glomeratus were larger,and they had strong adaptability to the artificial wetland habitat after ecological water transport.The mean soil moisture content,clay content,silt content and sand content in the lake area were 9.85%,5.25%,21.22% and 73.52%,respectively.The mean soil organic matter content was 11.8 g/kg,total nitrogen content:5.8 g/kg,available phosphorus content:0.2 mg/kg,pH:7.39,and electrical conductivity:578.31 μm/cm.The particle size composition of surface soil was mainly fine sand,silt and very fine sand.CCA analysis showed that soil moisture,available phosphorus,and electrical conductivity were the key driving factors of the spatial distribution pattern of desert vegetation communities in the artificial wetland.

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备注/Memo

备注/Memo:
 收稿日期：2022-08-22修回日期：2022-10-11
基金项目：甘肃省自然科学基金（20JR5RA095，20JR5RA091）；甘肃省重点研发计划（20YF3FA008）；2020年甘肃省青年科技人才托举工程项目。
第一作者：赵鹏，博士，副研究员。研究方向：荒漠植被生态。E-mail:zhpg1987@sina.com
*通信作者：安富博，硕士，研究员。研究方向：荒漠化防治。E-mail:313961565@qq.com
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