Article (Scientific journals)
The relationship between plant and butterfly biodiversity is altered by compound effects of human activities at landscape and regional scales
Cruz Palma, Miguel; Guisan, Antoine; Chowdhury, Shawan et al.
2026In Basic and Applied Ecology, 91, p. 89-96
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Keywords :
Trophic interactions; Biotic interactions; Anthropogenic disturbance; Biodiversity; Spatial scales
Abstract :
[en] Understanding how human activities influence biodiversity is a pressing challenge. Here, we ask whether obligate biotic interactions between plants and butterflies respond to patterns in anthropogenic disturbance at landscape and regional scales. Here, we used hierarchical models to understand how the relationships between alpha and beta taxonomic diversities of butterflies and plants change across landscapes and regions exposed to a gradient of anthropogenic influence. Analyzing 1682 sampling sites in which butterfly and plant species were both inventoried, from 45 studies identified through a literature review, we found that ecological communities sampled in highly disturbed areas displayed a lower number of butterfly species per plant species, and more homogenized butterfly communities. These responses were exacerbated when human activities affected both the landscape and the region hosting the plant and butterfly communities assessed. Our results suggest that human activities can differentially affect butterflies and plants, two co-evolved groups, thus altering long-term eco-evolutionary dynamics. They also hint at how the negative effects of human activities on biodiversity compound between landscape and regional scales, illustrating the importance of multi-scale analyses and approaches for understanding and protecting biodiversity globally.
Research Center/Unit :
InBios - Integrative Biological Sciences - ULiège
Disciplines :
Phytobiology (plant sciences, forestry, mycology...)
Zoology
Environmental sciences & ecology
Author, co-author :
Cruz Palma, Miguel 
Guisan, Antoine 
Chowdhury, Shawan 
Collart, Flavien   ;  Université de Liège - ULiège > Integrative Biological Sciences (InBioS)
Riva, Federico  
 These authors have contributed equally to this work.
Language :
English
Title :
The relationship between plant and butterfly biodiversity is altered by compound effects of human activities at landscape and regional scales
Publication date :
March 2026
Journal title :
Basic and Applied Ecology
ISSN :
1439-1791
Publisher :
Elsevier BV
Volume :
91
Pages :
89-96
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
European Union. Marie Skłodowska-Curie Actions
EC - European Commission
Available on ORBi :
since 17 February 2026

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