中国西南喀斯特石漠化治理对生物多样性的影响
Positive contribution and negative impact of karst rocky desertification control on biodiversity in southwest China
查看参考文献51篇
龙明康
1,2
白晓永
1,2,3,4
*
李姿霖
1,5
薛盈盈
1,5
陈飞
1,6
李朝君
1,2
冉晨
1,2
张思蕊
1,2
杜朝超
1,5
宋丰姣
1,2
肖碧琴
1,5
熊练
1,5
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文摘
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生态修复措施会对生物多样性热点区域产生强烈影响,因此量化石漠化治理对生物多样性的贡献在西南喀斯特地区是至关重要的。本文通过回归分析以及残差趋势分析等方法,揭示了2000-2020年中国西南喀斯特地区石漠化及生物多样性的时空演变规律,量化了石漠化治理等因素对生物多样性的贡献。结果表明:中国西南喀斯特地区石漠化以轻度石漠化和中度石漠化为主,石漠化总面积减少了10.25万km~2,减少速率为0.49万km~2/a;喀斯特地区生物多样性总体呈增加趋势,生物多样性综合指数均值为0.40,总体维持在中等水平;石漠化治理和生物多样性呈正相关关系,其对生物多样性的贡献为26.39%;气候变化和人类活动对生物多样性的贡献分别为52.78%、47.22%。结果表明,石漠化治理对生物多样性表现出积极贡献,对后续生态修复工程的实施以及生物多样性的保护具有一定指导意义。 |
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其他语种文摘
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Ecological restoration measures have a significant impact on biodiversity hotspots. Therefore, quantifying the contribution of desertification control to biodiversity is crucial in the karst region of southwest China. This study employed regression analysis and residual trend analysis to reveal the evolutionary patterns of desertification and biodiversity from 2000 to 2020 in this region. It quantified the contributions of desertification control and other factors to biodiversity. The results indicated that during the study period, desertification in the karst region was mainly classified as mild and moderate levels, with a total area reduction of 102500 km~2 at an annual rate of 4900 km~2/a. Overall, biodiversity showed an increasing trend, with a mean value of the biodiversity composite index at 0.40, maintaining a moderate level. There was a positive correlation between desertification control and biodiversity, with desertification control contributing 26.39% of the overall impact. Climate change and human activities contributed 52.78% and 47.22% to biodiversity, respectively. This suggests that desertification control has made a positive contribution to biodiversity and provides valuable guidance for future ecological restoration projects and biodiversity conservation. |
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来源
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地理学报
,2024,79(1):97-113 【核心库】
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DOI
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10.11821/dlxb202401007
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关键词
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中国西南
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石漠化治理
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气候变化
;
生物多样性
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地址
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1.
中国科学院地球化学研究所, 环境地球化学国家重点实验室, 贵阳, 550081
2.
中国科学院大学, 北京, 100049
3.
贵州大学资源与环境工程学院, 贵阳, 550025
4.
重庆大学环境与生态学院, 重庆, 400044
5.
贵州师范大学地理与环境科学学院, 贵阳, 550001
6.
贵州省水利科学院, 贵阳, 550002
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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0375-5444 |
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学科
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环境科学基础理论 |
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基金
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中国科学院战略性先导科技专项
;
国家自然科学基金
;
中国科学院“西部之光”交叉团队项目
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贵州省项目
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贵州省高层次创新型人才
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贵州省项目
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文献收藏号
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CSCD:7647202
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