|Table of Contents|

Relationship Between the Major Ion Composition and the Salinity of Selected Soil Along the Oasis Shelter Forests in Xinjiang

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2019年04
Page:
117-123
Research Field:
Publishing date:

Info

Title:
Relationship Between the Major Ion Composition and the Salinity of Selected Soil Along the Oasis Shelter Forests in Xinjiang
Author(s):
Mihray?XIRYAZDAN1; 2; müt?HALIK1; 2; Zulpiya?MAMAT2; 3; Maierdang?KEYIMU1; 2
(1.College of Resources and Environmental Science，Xinjiang University，Urumqi，Xinjiang 830046;2.Xinjiang Key Laboratory of Oasis Ecology of Ministry of Education，Urumqi，Xinjiang 830046；3.Institute of Arid Ecology and Environment，Xinjiang University，Urumqi，Xinjiang 830046)
Keywords:
oasis city; peri-urban protection forest; afforestation types; soil salinity; principal component analysis
PACS:
-
DOI:
10.11937/bfyy.20181985
Abstract:
This study selected five main afforestation types (apple,jujube,pear,poplar,mixed plantation) in Kokyar peri-urban shelterbelts around the oasis city Aksu,in the meantime,one control site from near bare land was selected.The main soil variables (total salt content,pH,soluble salt ions and other variable) were measured from each site,and made correlation and principal component analysis among them.The results showed that,compared with bare land,different vegetation types had obvious function of controlling soil salinity and alkaline content,the effect of controlling soil salinity and alkaline content of mixed forests were better than thoseof shrub of jujube and pear were poor;the overall changes of the salt ions content in different types of afforestation was Cl->Ca2+>SO2-4>Mg2+>K++Na+>HCO-3;there was a significant positive correlation between total salt content with Mg2+,Cl-,Ca2+,Mg2+,SO2-4 and Cl- were the leading factor for salinization in the study area;mixed plantation was the best way to reduce salinity.Therefore,it was suggested to give mixed native tree species priority in the future peri-urban afforestation practices.

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Last Update: 2019-03-25