|Table of Contents|

Effects of Different Degrees of Salinization on the Soil Fungal Community Structure in the Hetao Irrigation District of Ningxia

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2026年4
Page:
84-92
Research Field:
Publishing date:

Info

Title:
Effects of Different Degrees of Salinization on the Soil Fungal Community Structure in the Hetao Irrigation District of Ningxia
Author(s):
YANG Zhi; CHENG Liang; ZHANG Na; LI Li
(Ningxia Uyghur Autonomous Region Water Resources Science Research Institute,Yinchuan,Ningxia 750000)
Keywords:
salination; fungal community diversity; ascomycota; fungal community structure
PACS:
S154.3；S156.4
DOI:
10.11937/bfyy.20253471
Abstract:
Taking the soil layers with three different degrees of salinization (low salt (<1%)，medium salt (1%-3%)，and high salt (>3%)) in Pingluo county，Ningxia Hui Autonomous Region as the test materias，statistical methods such as analysis of variance and redundancy analysis were adopted to study the effects of soils with different degrees of salinization on the changes of soil physical and chemical properties and the composition structure of fungal communities，as well as their interaction relationships，in order to provide references for the improvement of saline-alkali land in the Hetao Irrigation district of Ningxia.The results showed that the contents of organic carbon，total nitrogen，available phosphorus，and available potassium in low-salinity soil were significantly higher than those in medium-and high-salinity soils (P<0.05).There was no significant difference in fungal diversity indices among the three salinization levels (P>0.05)；however，fungal diversity in low-and medium-salinity soils was higher than that in high-salinity soil.Fungal diversity was positively correlated with soil organic carbon，total nitrogen，available phosphorus，and pH，but negatively correlated with total salt content.In soils of all three salinization levels，Ascomycota，Mucoromycota，and Basidiomycota were the dominant phyla，while Mortierella and Chaetomium were the dominant genera.The fungal community was primarily composed of three functional groups,saprotrophic，pathotrophic，and symbiotic，with saprotrophic fungi being significantly dominant.Correlation heatmap and RDA analysis indicated that soil organic carbon，total nitrogen，and available phosphorus were significantly correlated with soil fungal community structure.In conclusion，soil organic carbon，total nitrogen，and available phosphorus were the main factors influencing the composition and structural variation of fungal communities in soils with different salinization levels.

References:

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Last Update: 2026-03-12