[1]赵亚冲,彭佳乐,沈留记,等. 南疆沙区不同林龄四翅滨藜人工林植物多样性与土壤理化性质[J].西北林学院学报,2024,39(2):189-195.[doi:10.3969/j.issn.1001-7461.2024.02.24]
　ZHAO Ya-chong,PENG Jia-le,SHEN Liu-ji,et al. Plant Diversity and Soil Physico-chemical Properties of Atriplex canescens Plantations with Different Ages in the Sandy Aarea of Southern Xinjiang[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2024,39(2):189-195.[doi:10.3969/j.issn.1001-7461.2024.02.24]
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 南疆沙区不同林龄四翅滨藜人工林植物多样性与土壤理化性质()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第39卷
期数:
2024年第2期
页码:
189-195
栏目:
出版日期:
2024-03-31

文章信息/Info

Title:
 Plant Diversity and Soil Physico-chemical Properties of Atriplex canescens Plantations with Different Ages in the Sandy Aarea of Southern Xinjiang
文章编号:
1001-7461(2024)02-0189-07
作者:
 赵亚冲1; 3; 彭佳乐2; 沈留记2; 邓岚2; 董荣荣2; 周正立2; 3*
 (1.塔里木大学 生命科学与技术学院，新疆 阿拉尔 843300；2.塔里木大学 园艺与林学学院，新疆 阿拉尔 843300；3.塔里木盆地生物资源保护利用兵团重点实验室，新疆 阿拉尔 843300）
Author(s):
 ZHAO Ya-chong1; 3; PENG Jia-le2; SHEN Liu-ji2; DENG Lan2; DONG Rong-rong2; ZHOU Zheng-li2; 3*
 (1.College of Life Science and Technology,Tarim University,Alar 843300,Xinjiang,China; 2.College of Horticulture and Forestry,Tarim University,Alar 843300,Xinjiang,China; 3.Xinjiang Production & Construction Corps Key Laboratory of Protection and Utilization of Biological Resources in Tarim Basin,Alar 843300,Xinjiang,China)
关键词:
 ; 南疆沙区; 四翅滨藜; 植物多样性; 土壤理化性质
Keywords:
 ; Southern Xinjiang sand area;  Atriplex canescens;  plant diversity;  soil physicochemical property
分类号:
S718
DOI:
10.3969/j.issn.1001-7461.2024.02.24
文献标志码:
A
摘要:
 为明确南疆沙区四翅滨藜人工林植物多样性与土壤理化性质的关系，为该区植被建设与恢复提供科学依据。以南疆沙区沙漠前沿种植的四翅滨藜为对象，研究不同林龄（1、2、4龄）四翅滨藜灌木林的植物多样性、土壤理化性质变化，分析各多样性指数与土壤理化性质的相关关系，并采用主成分分析方法对林分状况进行评价。结果表明，1）四翅滨藜人工林共出现植物6科13种，且各林龄的Margalef指数、Simpson指数、Shannon-Wiener指数和Pielou指数表现为2年生地＞4年生地＞1年生地＞裸地。2）种植四翅滨藜能够提高土壤SMC、TN、TP、AN和AP含量，降低土壤Sa、pH、TK及AK含量。并且随林龄的增加，土壤SMC、TP和AP含量“先升后降”；TK含量“先降后升”；SOM、TN、AN和AK含量“逐渐上升”；土壤Sa含量、pH“逐渐下降”。3）土壤SMC、TP、TN含量与群落Shannon-Wiener指数、Simpson指数和Margalef指数呈显著或极显著正相关，但与pielou指数无显著性相关关系。灌木层与草本层中，多样性指数主要受土壤TP、TK含量影响。4）主成分分析表明多样性指数、SMC、TP、TK和SOM对林分贡献率较大，各林龄综合得分依次为4年生＞2年生＞1年生＞裸地。种植四翅滨藜能够提高植物多样性指数，改善土壤理化性质。
Abstract:
 In order to clarify the relationship between plant diversity and soil physicochemical properties of Atriplex canescens plantations in the sandy area of Southern Xinjiang to provide a scientific basis for the construction and restoration of vegetation in this area,A.canescens shrubs planted in the desert front of Southern Xinjiang sandy area were taken as the research objects.The changes of plant diversity and soil physicochemical properties of A.canescens shrubs with different planting years (1-,2- and 4-year-old) were studied.The correlationships between diversity indices and soil physicochemical properties were analyzed.The principal component analysis method was used to evaluate the plantation status.The results showed that 1) thirteen plant species belonging 6 families were found in the A.canescens plantations,and the Margalef index,Simpson index,Shannon-Wiener index and Pielou index of each planting age were in the order of 2-year planting age land> 4-year > the 1-year-old land > bare land.2) Planting A.canescens could increase the content of soil SMC,TN,TP,AN and AP,and reduce the content of soil Sa,pH,TK and AK.And with the increase of plantation age,the content of soil SMC,TP and AP showed a trend of "increased first and then decreased".The soil TK showed "first decreased and then increased".The soil SOM,TN,AN and AK increased gradually,and the soil Sa and pH decreased gradually.3) The contents of SMC,TP and TN in soil were significant or extremely significant positive correlated with the community Shannon-Wiener index,Simpson index and Margalef index,but there was no significant correlation with the Pielou index.The diversity index was mainly affected by soil TP and TK content in shrub layer and herb layer.4) Principal component analysis showed that diversity index,SMC,TP,TK and SOM contributed significantly to shrub stands,and the comprehensive scores of each forest age were 4- >2- > 1-year-old > bare land.Planting A.canescens can improve the plant diversity index and improve the physical and chemical properties of the soil.

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备注/Memo

备注/Memo:
 收稿日期：2023-02-07修回日期：2023-03-24
基金项目：兵团重点领域科技攻关计划项目（2021AB022）；中国海洋大学-塔里木大学联合基金项目（ZHYLH201903）；兵团塔里木盆地生物资源保护利用重点实验室项目（BRFW1902）；塔里木大学大学生创新创业项目（202110757023）。
第一作者：赵亚冲。研究方向：风沙治理与沙产业开发。E-mail:554432925@qq.com
*通信作者：周正立，教授。研究方向：风沙治理与沙产业开发。E-mail:zzlzkytd@163.com
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