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Climatic Legacies Drive Spatial Aggregation of Plants in Drylands.

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Title: Climatic Legacies Drive Spatial Aggregation of Plants in Drylands.
Authors: Pichon, Benoît1 (AUTHOR) benoit.pichon0@gmail.com, Kéfi, Sonia1,2 (AUTHOR), Gounand, Isabelle3 (AUTHOR), Donnet, Sophie4 (AUTHOR)
Source: Global Change Biology. May2026, Vol. 32 Issue 5, p1-14. 14p.
Subjects: Vegetation patterns, Paleoclimatology, Climate change, Arid regions, Ground vegetation cover, Soil ecology
Abstract: In drylands, vegetation is spatially aggregated in patches separated by bare soil areas. So far, research on vegetation spatial patterns mainly focused on the effect of current climates and herbivory pressure. Yet, past climates might leave traces (called legacies) that affect present‐day spatial vegetation patterns. Here, we joined two datasets on plant spatial patterns and information about past climates during the mid‐Holocene and the last glacial maximum to investigate the effects of past and current climates on plant spatial patterns. We show that past climates have effects of similar magnitude as current climate on the vegetation cover, but have a remarkably stronger imprint on the spatial aggregation of vegetation in drylands. Furthermore, we found that climate legacies on plant spatial patterns might relate to climate long‐lasting effects on soil multifunctionality and sand content. Climate legacies detected here emphasize the contrasting time scales of processes involved in vegetation patterning, which we should account for when assessing dryland functioning and resilience from these patterns. This study opens perspectives to assess legacies from human activities and past climate on ecosystems. [ABSTRACT FROM AUTHOR]
Copyright of Global Change Biology 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: Engineering Source
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  Data: Climatic Legacies Drive Spatial Aggregation of Plants in Drylands.
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  Data: <searchLink fieldCode="DE" term="%22Vegetation+patterns%22">Vegetation patterns</searchLink><br /><searchLink fieldCode="DE" term="%22Paleoclimatology%22">Paleoclimatology</searchLink><br /><searchLink fieldCode="DE" term="%22Climate+change%22">Climate change</searchLink><br /><searchLink fieldCode="DE" term="%22Arid+regions%22">Arid regions</searchLink><br /><searchLink fieldCode="DE" term="%22Ground+vegetation+cover%22">Ground vegetation cover</searchLink><br /><searchLink fieldCode="DE" term="%22Soil+ecology%22">Soil ecology</searchLink>
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  Label: Abstract
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  Data: In drylands, vegetation is spatially aggregated in patches separated by bare soil areas. So far, research on vegetation spatial patterns mainly focused on the effect of current climates and herbivory pressure. Yet, past climates might leave traces (called legacies) that affect present‐day spatial vegetation patterns. Here, we joined two datasets on plant spatial patterns and information about past climates during the mid‐Holocene and the last glacial maximum to investigate the effects of past and current climates on plant spatial patterns. We show that past climates have effects of similar magnitude as current climate on the vegetation cover, but have a remarkably stronger imprint on the spatial aggregation of vegetation in drylands. Furthermore, we found that climate legacies on plant spatial patterns might relate to climate long‐lasting effects on soil multifunctionality and sand content. Climate legacies detected here emphasize the contrasting time scales of processes involved in vegetation patterning, which we should account for when assessing dryland functioning and resilience from these patterns. This study opens perspectives to assess legacies from human activities and past climate on ecosystems. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Global Change Biology 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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    Identifiers:
      – Type: doi
        Value: 10.1111/gcb.70907
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 14
        StartPage: 1
    Subjects:
      – SubjectFull: Vegetation patterns
        Type: general
      – SubjectFull: Paleoclimatology
        Type: general
      – SubjectFull: Climate change
        Type: general
      – SubjectFull: Arid regions
        Type: general
      – SubjectFull: Ground vegetation cover
        Type: general
      – SubjectFull: Soil ecology
        Type: general
    Titles:
      – TitleFull: Climatic Legacies Drive Spatial Aggregation of Plants in Drylands.
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            NameFull: Kéfi, Sonia
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            NameFull: Gounand, Isabelle
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            NameFull: Donnet, Sophie
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            – D: 01
              M: 05
              Text: May2026
              Type: published
              Y: 2026
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              Value: 32
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