[1]刘鲁光,朱兆棋,陈曦,等. 汶川震后滑坡体植被恢复不同阶段优势种种间关联研究——以银厂沟谢家店滑坡体为例[J].西北林学院学报,2022,37(2):75-82.[doi:10.3969/j.issn.1001-7461.2022.02.10]
　LIU Lu-guang,ZHU Zhao-qi,CHEN Xi,et al. Interspecific Association Among Dominant Species at Different Stages of Vegetation Restoration in Landslide Mass of Post-Wenchuan Earthquake——A Case Study of Xiejiadian Landslide Mass in Yinchanggou[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2022,37(2):75-82.[doi:10.3969/j.issn.1001-7461.2022.02.10]
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 汶川震后滑坡体植被恢复不同阶段优势种种间关联研究——以银厂沟谢家店滑坡体为例()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第37卷
期数:
2022年第2期
页码:
75-82
栏目:
出版日期:
2022-03-31

文章信息/Info

Title:
 Interspecific Association Among Dominant Species at Different Stages of Vegetation Restoration in Landslide Mass of Post-Wenchuan Earthquake——A Case Study of Xiejiadian Landslide Mass in Yinchanggou
文章编号:
1001-7461(2022)02-0075-08
作者:
 刘鲁光1; 3; 朱兆棋1; 3; 陈曦1; 3; 刘守江2; 3*
 （1.西华师范大学 生命科学学院,四川 南充 637009; 2.西华师范大学 国土资源学院,四川 南充 637009; 3.四川省干旱河谷土壤侵蚀监测与控制工程实验室,四川 南充 637009）
Author(s):
 LIU Lu-guang1; 3; ZHU Zhao-qi1; 3; CHEN Xi1; 3; LIU Shou-jiang2; 3*
 (1.College of Life Science,China West Normal University,Nanchong 637009,Sichuan,China; 2.College of Land and Resources,West China Normal University,Nanchong 637009,Sichuan,China; 3.Sichuan Provincial Engineering Laboratory of Monitoring and Control for Soil Erosion on Dry Valleys,Nanchong 637009,Sichuan,China)
关键词:
 ; 滑坡体; 植被恢复; 种间关联; 群落演替
Keywords:
 ; landslide mass;  vegetation restoration;  interspecific association;  community succession
分类号:
S718.42
DOI:
10.3969/j.issn.1001-7461.2022.02.10
文献标志码:
A
摘要:
 为探明震后滑坡体植被恢复过程中的群落种间关系的变化，基于2009-2018年对谢家店滑坡体植被恢复状况的持续监测数据，采用方差比率法、spearman秩相关分析法，从群落整体的关联状况及群落各垂直层次内主要物种间的关联状况两方面对滑坡体植被恢复的草本群落、灌草群落、乔灌草群落3个不同恢复阶段的种间关联动态进行研究。方差比率的检验结果表明，除灌草群落阶段群落整体关联情况为不显著的负关联外，其他各阶段均为不显著的正联结，且随恢复时间的增加群落正关联程度整体呈上升的趋势。spearman秩相关分析结果表明，草本层物种在灌草阶段，主要物种间正负联结种对之比小于1，其他各恢复阶段正负联结种对之比均大于1，正联结种对比例随恢复年限的增加整体呈上升趋势，负联结种对比例整体呈下降趋势；灌木层主要物种间正负联结种对之比随恢复年限的增加呈下降趋势，但下降趋势趋于缓和，说明灌木还处于演替的不稳定阶段；乔木层物种随恢复年限的增加正联结种对比例呈上升趋势，负联结种对比例呈下降趋势。方差比率与spearman秩相关分析的结果均表明，群落多数物种间还未达到显著相关，各物种相对独立。总的来说，震后滑坡体的植被恢复状况较好，群落物种间正联结程度不断增强，群落结构不断完善，物种逐渐趋于稳定共存。
Abstract:
 To explore the post-earthquake changes of interspecific association among different communities in the process of vegetation restoration in landslide mass,the interspecific dynamics of herb,shrub-grass and arbor-shrub-grass communities at different restoration stages were explored from the perspectives of overall community correlations and dominant species in vertical layers of each community.Based on the continuous monitoring data of vegetation restoration in Xiejiadian landslide mass spanning from 2009 to 2018,variance ratio and Spearman’s rank correlation approaches were adopted.The results of variance ratio test indicated that apart from the insignificantly negative correlation of communities at the shrub-grass stage,other stages exhibited insignificantly positive correlations and the degree of such positive correlations among communities showed an intensifying trend as the restoration time went on.The results of Spearman’s rank correlation analysis showed that the ratio of positively associated species pairs to negatively ones among dominant species of herb-layer species was <1 at the shrub-grass stage whereas those ratios at other restoration stages were invariably >1; the proportion of positively associated species pairs has showed a growing trend while that of negatively associated species pairs showed a declining trend with the increase of restoration years; the proportion of positively and negatively associated species pairs in the shrub layer showed a declining trend flattened over time,indicating that the shrubs were still in the unstable succession stage; the proportion of positively associated species pairs in the arbor layer exhibited a upward trend while that of the negatively associated species pairs showed a downward trend as the restoration year went on.Both the results of variance ratio and Spearman’s rank correlation analyses indicated a lack of significant interspecific association among dominant species communities and the relative independence of each species.In general,vegetation restoration in the post-earthquake landslide mass has been in fairly good conditions; the degree of positive associations between community species has been constantly strengthened; the community structures have been continuously improved and species have gradually advanced towards stable commensalism.

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备注/Memo

备注/Memo:
 收稿日期：2021-04-05修回日期：2021-06-22
基金项目：国家自然科学基金(41101348,41807075)；西华师范大学一般培育项目(416627)；西华师范大学英才项目(17YC114)；西华师范大学科研创新团队(CXTD2018-10)；西华师范大学博士科研启动项目(19E066)。
第一作者：刘鲁光。研究方向：水土保持与荒漠化防治。E-mail：347718558@qq.com
*通信作者：刘守江，博士，教授。研究方向：环境生态与生物多样性。E-mail：275588077@qq.com
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