The Ant and the Grasshopper: contrasting responses and behaviors to water stress of riparian trees along a hydroclimatic gradient

Lochin, Pierre, Malherbe, Pauline, Marteau, Baptiste, Godfroy, Julien, Gerle, Flavie, Marshall, John, Puijalon, Sara, Singer, Michael Bliss ORCID: https://orcid.org/0000-0002-6899-2224, Stella, John, Piegay, Herve and Vernay, Antoine 2024. The Ant and the Grasshopper: contrasting responses and behaviors to water stress of riparian trees along a hydroclimatic gradient. Science of the Total Environment 952 , 175916. 10.1016/j.scitotenv.2024.175916

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Abstract

Riparian trees are particularly vulnerable to drought because they are highly dependent on water availability for their survival. However, the response of riparian tree species to water stress varies depending on regional hydroclimatic conditions, making them unevenly vulnerable to changing drought patterns. Understanding this spatial variability in stress responses requires a comprehensive assessment of water stress across broader spatial and temporal scales. Yet, the precise ecophysiological mechanisms underlying these responses remain poorly linked to remotely sensed indices. To address this gap, the implementation of remote sensing methods coupled with in situ validation is essential to obtain consistent results across diverse spatial and temporal contexts. We conducted a multi-tool analysis combining multispectral and thermal remote sensing indices with in situ ecophysiological measurements at different temporal scales to analyze the responses of white poplar (Populus alba) to seasonal changes in drought along a hydroclimatic gradient.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Earth and Environmental Sciences
Publisher:	Elsevier
ISSN:	0048-9697
Date of First Compliant Deposit:	26 September 2024
Date of Acceptance:	29 August 2024
Last Modified:	01 Oct 2024 12:30
URI:	https://orca.cardiff.ac.uk/id/eprint/172399

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