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Research Article | Open Access

Unveiling the adaptation strategies of woody plants in remnant forest patches to spatiotemporal urban expansion through leaf trait networks

College of Forestry, Guizhou University, Guiyang, 550025, China
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Abstract

Background

With the expansion of urban areas, the remnants of forested areas play a crucial role in preserving biodiversity in urban environments. This study aimed to explore the impact of spatiotemporal urban expansion on the networks of leaf traits in woody plants within remnant forest patches, thereby enhancing our understanding of plant adaptive strategies and contributing to the conservation of urban biodiversity.

Methods

Our study examined woody plants within 120 sample plots across 15 remnant forest patches in Guiyang, China. We constructed leaf trait networks (LTNs) based on 26 anatomical, structural, and compositional leaf traits and assessed the effects of the spatiotemporal dynamics of urban expansion on these LTNs.

Results and conclusions

Our results indicate that shrubs within these patches have greater average path lengths and diameters than trees. With increasing urban expansion intensity, we observed a rise in the edge density of the LTN-shrubs. Additionally, modularity within the networks of shrubs decreased as road density and urban expansion intensity increased, and increases in the average path length and average clustering coefficient for shrubs were observed with a rise in the composite terrain complexity index. Notably, patches subjected to 'leapfrog' expansion exhibited greater average patch length and diameter than those experiencing edge growth. Stomatal traits were found to have high degree centrality within these networks, signifying their substantial contribution to multiple functions. In urban remnant forests, shrubs bolster their resilience to variable environmental pressures by augmenting the complexity of their leaf trait networks.

Keywords

Woody plantUrban remnant forest patchLeaf trait networkPlant adaptation strategySpatiotemporal urban expansion

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Forest Ecosystems
Volume 11 Issue 2,
April 2024
Article number: 100186
DOI: 10.1016/j.fecs.2024.100186
Cite this article:
Jian M, Yang J. Unveiling the adaptation strategies of woody plants in remnant forest patches to spatiotemporal urban expansion through leaf trait networks. Forest Ecosystems, 2024, 11(2): 100186. https://doi.org/10.1016/j.fecs.2024.100186

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Received: 30 November 2023
Revised: 13 March 2024
Accepted: 13 March 2024
Published: 22 March 2024
© 2024 The Authors.

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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