干旱区研究

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2025 , Vol. 42 >Issue 9: 1628 - 1639

DOI: https://doi.org/10.13866/j.azr.2025.09.07

植物生态

气候变化背景下软紫草在中国的潜在适生区预测

  • 商淑静 ,
  • 刘丹辉 ,
  • 周轶昕 ,
  • 吴家驹 ,
  • 陆婷 ,
  • 李文军
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  • 1.中国-塔吉克斯坦生物资源保育与可持续利用“一带一路”联合实验室，中国科学院新疆生态与地理研究所，新疆 乌鲁木齐 830011
    2.中国科学院新疆生态与地理研究所，新疆抗逆植物基因资源保育与利用重点实验室，新疆 乌鲁木齐 830011
    3.新疆农业大学林学与风景园林学院，新疆 乌鲁木齐 830052
    4.中国科学院大学资源与环境学院，北京 100049
    5.塔里木大学生命科学与技术学院，新疆 阿拉尔 843300
商淑静（2000-），女，硕士研究生，主要从事园林植物应用研究. E-mail: 1337593428@qq.com
刘丹辉. E-mail: liudanhui@ms.xjb.ac.cn

收稿日期: 2025-01-20

  修回日期: 2025-03-21

  网络出版日期: 2025-09-16

基金资助

中国-塔吉克斯坦生物资源保育与可持续利用“一带一路”联合实验室建设与联合研究(2024YFE0214200);新疆抗逆植物基因资源保育与利用重点实验室开放基金资助;国家自然科学基金青年基金项目(32300183)

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Prediction of the suitable distribution areas of Arnebia euchroma (Boraginaceae) in China under change climate conditions

  • SHANG Shujing ,
  • LIU Danhui ,
  • ZHOU Yixin ,
  • WU Jiaju ,
  • LU Ting ,
  • LI Wenjun
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  • 1. China-Tajikistan Belt and Road Joint Laboratory on Biodiversity Conservation and Sustainable Use, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, Xinjiang, China
    2. Xinjiang Key Laboratory of Conservation and Utilization of Resistant Resources, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, Xinjiang, China
    3. College of Forestry and Landscape Architecture, Xinjiang Agricultural University, Urumqi 830052, Xinjiang, China
    4. College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
    5. College of Life Sciences and Technologies, Tarim University, Alar 843300, Xinjiang, China

Received date: 2025-01-20

  Revised date: 2025-03-21

  Online published: 2025-09-16

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摘要

探究软紫草（Arnebia euchroma）在中国的潜在适生区分布和其生态适应性，旨在为软紫草的野生植物资源保护及合理开发利用提供理论依据。本研究基于MaxEnt模型和ArcGIS软件，对软紫草在中国的51个分布点和11个环境因子进行潜在适生区预测，探讨影响软紫草分布的主要环境因子，并预测其在当前（1970—2000年）与未来（2021—2040年、2041—2060年）不同气候情境下的潜在适生区。结果表明：最湿季度平均温度（bio8）、季节性降水量（bio15）、最暖季度平均降水量（bio18）和海拔（elev）是影响软紫草分布的主导环境因子，贡献率分别为36.2%、13.9%、10.1%、8.5%；当前气候背景下，软紫草在国内主要分布于新疆中部和西藏西北部，潜在适生区总面积为96.26×104 km2；与当前时期相比，未来4个时期气候情景下软紫草的潜在适生区分布变化不明显，适生区总面积呈减少趋势，但高适生区面积略有增加。

关键词： 软紫草; 最大熵模型; 潜在适生区预测; 气候变化

本文引用格式

商淑静 , 刘丹辉 , 周轶昕 , 吴家驹 , 陆婷 , 李文军 . 气候变化背景下软紫草在中国的潜在适生区预测[J]. 干旱区研究, 2025 , 42(9) : 1628 -1639 . DOI: 10.13866/j.azr.2025.09.07

Abstract

This study explored the potential distribution and ecological adaptability of Arnebia euchroma in China and provides a theoretical basis for the protection, rational development, and use of wild plant resources of A. euchroma. Based on the MaxEnt model and ArcGIS software, 51 distribution points and 11 environmental factors of A. euchroma in China were predicted as potentially suitable areas, and the main environmental factors that influence the distribution of A. euchroma were discussed. The potentially suitable areas in China were predicted under the present (1970-2000) and future (2021-2040, 2041-2060) climatic conditions. The results showed that precipitation of mean temperature of wettest quarter, precipitation seasonality, precipitation of warmest quarter, and elevation were the dominant environmental factors that affect A. euchroma distribution, with contribution rates of 36.2%, 13.9%, 10.1%, and 8.5%, respectively. Under the current climate background, A. euchroma in China is mainly distributed in the central part of Xinjiang and the northwest part of Xizang, with a total potential habitat area of 96.26×104 km2. Compared with the current period, the climate scenarios of the next four periods did not significantly change the distribution of potentially suitable areas for A. euchroma. The total suitable area decreased while the highly suitable area increased slightly.

Key words： Arnebia euchroma; MaxEnt; prediction of potential suitable areas; climate change

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