Climate Change Sensitivity and Regional Differences of the Upper Limit of Montane Deciduous Broad‐Leaved Forests Across the Northern Hemisphere.
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| Title: | Climate Change Sensitivity and Regional Differences of the Upper Limit of Montane Deciduous Broad‐Leaved Forests Across the Northern Hemisphere. |
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| Authors: | Li, Youheng1 (AUTHOR), Han, Fang1 (AUTHOR) hanf@lreis.ac.cn, Li, Chuanrong2 (AUTHOR), Li, Kun2 (AUTHOR), Li, Xiaoyong1 (AUTHOR), Lv, Yan1 (AUTHOR), Xu, Xiaolong1 (AUTHOR), Zhao, Junxin1 (AUTHOR), Lei, Ziqiang1 (AUTHOR) |
| Source: | Ecology & Evolution (20457758). May2026, Vol. 16 Issue 5, p1-17. 17p. |
| Subject Terms: | *Mountain forests, *Deciduous forests, *Bioindicators, *Climate change, *Precipitation variability, *Temperate climate, Remote sensing |
| Geographic Terms: | Northern Hemisphere |
| Abstract: | Montane deciduous broad‐leaved forests across the Northern Hemisphere serve as sensitive ecological indicators of climate change, yet the climate change drivers of the upper limit of montane deciduous broad‐leaved forests (ULMDBs) remain difficult to quantify. Here, we introduce a novel cloud model‐based analytical framework that integrates multisource remote sensing data to extract ULMDB locations and associated impact factors. Using the digital features of the weight coefficient cloud model, we derive a temperature sensitivity index (TSI), a precipitation sensitivity index (PSI), and a comprehensive sensitivity index (CSI), enabling a quantitative assessment of hemispheric‐scale differences in ULMDB climate change responses. Our results reveal pronounced regional differences. In humid regions, 70% of mountains show TSI contribution rates exceeding 50%, indicating temperature‐dominated controls. In arid and semi‐arid regions, more than 80% of mountains exhibit PSI contribution rates above 50%, demonstrating strong sensitivity to precipitation. ULMDBs in East Asian study region show notably higher climate change sensitivity, with a mean CSI of 9.909 and a distinct "increase–decrease" latitudinal pattern, whereas ULMDBs in European study region show a monotonic latitudinal decline. Most ULMDBs occur within humid continental climates (68% of the sample), where 58% show TSI contribution rates above 50%, reflecting greater sensitivity to temperature than to precipitation. Sensitivity indices further suggest that potential responses are most likely where TSI is high, followed by areas with high CSI, whereas PSI‐dominated regions show weaker upward potential. The widespread regional differences indicate that ULMDB climate change sensitivity is governed not by single factors but by the interactions among temperature, precipitation, and regional geographic conditions. The proposed cloud model framework provides a transferable approach for quantifying ecological boundary sensitivity under uncertainty and offers new tools and perspectives for understanding climate change responses of montane forest ecotones and other climate‐sensitive transition zones. [ABSTRACT FROM AUTHOR] |
| Copyright of Ecology & Evolution (20457758) is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | GreenFILE |
| FullText | Text: Availability: 0 |
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| Header | DbId: 8gh DbLabel: GreenFILE An: 194054969 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Climate Change Sensitivity and Regional Differences of the Upper Limit of Montane Deciduous Broad‐Leaved Forests Across the Northern Hemisphere. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Li%2C+Youheng%22">Li, Youheng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Han%2C+Fang%22">Han, Fang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> hanf@lreis.ac.cn</i><br /><searchLink fieldCode="AR" term="%22Li%2C+Chuanrong%22">Li, Chuanrong</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Kun%22">Li, Kun</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Xiaoyong%22">Li, Xiaoyong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lv%2C+Yan%22">Lv, Yan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Xu%2C+Xiaolong%22">Xu, Xiaolong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhao%2C+Junxin%22">Zhao, Junxin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lei%2C+Ziqiang%22">Lei, Ziqiang</searchLink><relatesTo>1</relatesTo> (AUTHOR) – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Ecology+%26+Evolution+%2820457758%29%22">Ecology & Evolution (20457758)</searchLink>. May2026, Vol. 16 Issue 5, p1-17. 17p. – Name: Subject Label: Subject Terms Group: Su Data: *<searchLink fieldCode="DE" term="%22Mountain+forests%22">Mountain forests</searchLink><br />*<searchLink fieldCode="DE" term="%22Deciduous+forests%22">Deciduous forests</searchLink><br />*<searchLink fieldCode="DE" term="%22Bioindicators%22">Bioindicators</searchLink><br />*<searchLink fieldCode="DE" term="%22Climate+change%22">Climate change</searchLink><br />*<searchLink fieldCode="DE" term="%22Precipitation+variability%22">Precipitation variability</searchLink><br />*<searchLink fieldCode="DE" term="%22Temperate+climate%22">Temperate climate</searchLink><br /><searchLink fieldCode="DE" term="%22Remote+sensing%22">Remote sensing</searchLink> – Name: SubjectGeographic Label: Geographic Terms Group: Su Data: <searchLink fieldCode="DE" term="%22Northern+Hemisphere%22">Northern Hemisphere</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: Montane deciduous broad‐leaved forests across the Northern Hemisphere serve as sensitive ecological indicators of climate change, yet the climate change drivers of the upper limit of montane deciduous broad‐leaved forests (ULMDBs) remain difficult to quantify. Here, we introduce a novel cloud model‐based analytical framework that integrates multisource remote sensing data to extract ULMDB locations and associated impact factors. Using the digital features of the weight coefficient cloud model, we derive a temperature sensitivity index (TSI), a precipitation sensitivity index (PSI), and a comprehensive sensitivity index (CSI), enabling a quantitative assessment of hemispheric‐scale differences in ULMDB climate change responses. Our results reveal pronounced regional differences. In humid regions, 70% of mountains show TSI contribution rates exceeding 50%, indicating temperature‐dominated controls. In arid and semi‐arid regions, more than 80% of mountains exhibit PSI contribution rates above 50%, demonstrating strong sensitivity to precipitation. ULMDBs in East Asian study region show notably higher climate change sensitivity, with a mean CSI of 9.909 and a distinct "increase–decrease" latitudinal pattern, whereas ULMDBs in European study region show a monotonic latitudinal decline. Most ULMDBs occur within humid continental climates (68% of the sample), where 58% show TSI contribution rates above 50%, reflecting greater sensitivity to temperature than to precipitation. Sensitivity indices further suggest that potential responses are most likely where TSI is high, followed by areas with high CSI, whereas PSI‐dominated regions show weaker upward potential. The widespread regional differences indicate that ULMDB climate change sensitivity is governed not by single factors but by the interactions among temperature, precipitation, and regional geographic conditions. The proposed cloud model framework provides a transferable approach for quantifying ecological boundary sensitivity under uncertainty and offers new tools and perspectives for understanding climate change responses of montane forest ecotones and other climate‐sensitive transition zones. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Ecology & Evolution (20457758) is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1002/ece3.73561 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 17 StartPage: 1 Subjects: – SubjectFull: Mountain forests Type: general – SubjectFull: Deciduous forests Type: general – SubjectFull: Bioindicators Type: general – SubjectFull: Climate change Type: general – SubjectFull: Precipitation variability Type: general – SubjectFull: Temperate climate Type: general – SubjectFull: Remote sensing Type: general – SubjectFull: Northern Hemisphere Type: general Titles: – TitleFull: Climate Change Sensitivity and Regional Differences of the Upper Limit of Montane Deciduous Broad‐Leaved Forests Across the Northern Hemisphere. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Li, Youheng – PersonEntity: Name: NameFull: Han, Fang – PersonEntity: Name: NameFull: Li, Chuanrong – PersonEntity: Name: NameFull: Li, Kun – PersonEntity: Name: NameFull: Li, Xiaoyong – PersonEntity: Name: NameFull: Lv, Yan – PersonEntity: Name: NameFull: Xu, Xiaolong – PersonEntity: Name: NameFull: Zhao, Junxin – PersonEntity: Name: NameFull: Lei, Ziqiang IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 05 Text: May2026 Type: published Y: 2026 Identifiers: – Type: issn-print Value: 20457758 Numbering: – Type: volume Value: 16 – Type: issue Value: 5 Titles: – TitleFull: Ecology & Evolution (20457758) Type: main |
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