[1]滑永春,刘文璐,包文学*. 基于长时间序列叶面积指数的内蒙古农牧交错区植被景观格局分析[J].西北林学院学报,2022,37(5):53-61.[doi:10.3969/j.issn.1001-7461.2022.05.08]
　HUA Yong-chun,LIU Wen-lu,BAO Wen-xue*. An Analysis of Vegetation Landscape Pattern in Agro-Pastoral Ecotone of Inner Mongolia Based on Remote Sensing[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2022,37(5):53-61.[doi:10.3969/j.issn.1001-7461.2022.05.08]
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 基于长时间序列叶面积指数的内蒙古农牧交错区植被景观格局分析()
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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5期
页码:
53-61
栏目:
出版日期:
2022-09-30

文章信息/Info

Title:
 An Analysis of Vegetation Landscape Pattern in Agro-Pastoral Ecotone of Inner Mongolia Based on Remote Sensing
文章编号:
1001-7461(2022)05-0053-09
作者:
 滑永春; 刘文璐; 包文学*
 （内蒙古农业大学，内蒙古 呼和浩特 010019）
Author(s):
 HUA Yong-chun; LIU Wen-lu; BAO Wen-xue*
 （College of Forestry,Inner Mongolia Agriculture University,Hohhot 010019,Inner Mongolia,China）
关键词:
 ; 遥感; 农牧交错区; LAI; 景观格局
Keywords:
 ; remote sensing;  agro-pastoral ecotone;  LAI;  landscape pattern
分类号:
S731.2
DOI:
10.3969/j.issn.1001-7461.2022.05.08
文献标志码:
A
摘要:
 采用叶面积指数数据，通过植被等级划分、转移矩阵及景观指数分析，对内蒙古农牧交错区植被覆盖动态变化和景观格局进行分析。结果表明：1）植被覆盖等级空间分布的主要特点为东部由覆盖度等级比较高的中度、中高度、高度植被所覆盖，西部由覆盖度比较低的无植被、低度、中度植被覆盖。2）1983-2019年无植被、低度、中度植被覆盖区域面积在持续减少，中高度、高度植被覆盖区域面积在不断扩大，植被转移的方向主要由低覆盖区向高覆盖区转化，植被得到很好的恢复。3）从植被景观格局角度来看，研究区植被景观破碎化、复杂度程度逐渐变小。不同覆盖等级植被逐渐混杂、聚合。中高度及高度覆盖景观优势度明显提高，植被格局向趋于稳定的方向发展。4）气候因子和人类活动对研究区植被的恢复起到了很大的促进作用，但相比较而言，人类活动的作用更大。
Abstract:
 Based on the leaf area index data,the vegetation grade division,transfer matrix and landscape index were used to analyze the dynamic changes of vegetation coverage and landscape pattern in the agro-pastoral ecotone of Inner Mongolia.The results showed that 1) the spatial distribution of vegetation coverage grade in the study area presented the following main characteristics:the east part of the study area was covered by the plants with middle,middle to high and high coverages,the west was covered by the vegetations with nil,low and middle coverage.2) From 1983 to 2019,the areas of nil,low and middle vegetation coverages decreased continuously,the areas with mid to high and high vegetation coverages continued to expand,the direction of vegetation transfer was mainly from low coverage area to high coverage area,and the vegetation in the study area had been well restored.3) From the perspective of vegetation landscape pattern,the fragmentation and complexity of vegetation landscape in the study area were gradually decreasing.The vegetation of different coverage levels were gradually mixed and aggregated.The dominance of mid to high and high coverage vegetation landscape had been significantly improved,and the vegetation pattern tended to be stable.4) Climate factors and human activities had played a great role in promoting the restoration of vegetation in the study area,compared with climate factors,human activities played a more leading role.

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备注/Memo

备注/Memo:
 收稿日期：2021-09-18修回日期：2021-10-22
基金项目：国家自然科学基金(31960347)；内蒙古农业大学高层次人才引进项目(170014)；“双一流”建设项目(206045)。
第一作者：滑永春。研究方向：荒漠化植被研究。E-mail:398721962@qq.com
*通信作者：包文学。研究方向：植物昆虫学。E-mail:bwx20112014@imau.edu.en
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