Quantifying the functional responses of vegetation to drought and oxygen stress in temperate ecosystems.

J.C. Douma; V. Bardin; R.P. Bartholomeus; P.M. van Bodegom

doi:10.1111/j.1365-2435.2012.02054.x

Quantifying the functional responses of vegetation to drought and oxygen stress in temperate ecosystems.

J.C. Douma, V. Bardin, R.P. Bartholomeus, P.M. van Bodegom

Systems Ecology

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

Our understanding of the generality of plant functional responses to water availability is limited; current field studies use either very rough approximations of water and oxygen availability or only focus on water-stressed ecosystems. Studies that relate species' responses to a surplus of water are limited to controlled experiments. The aim of this study was to investigate how traits are selected along a gradient of soil moisture, ranging from oxygen-stressed to drought-stressed. We tested 15 traits: eight leaf traits, two root traits, two seed traits and three allometry traits and related their community means to process-based measures of drought stress and oxygen stress for 171 plots in the Netherlands. Because the trait values had been taken from a large database, an independent field survey was carried out to validate the relationships thus derived. We show that root porosity and seed floating capacity are mostly strongly related, although still moderately, to oxygen and drought stress (R

Original language	English
Pages (from-to)	1355-1365
Journal	Functional Ecology
Volume	26
Issue number	6
DOIs	https://doi.org/10.1111/j.1365-2435.2012.02054.x
Publication status	Published - 2012

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abstract = "Our understanding of the generality of plant functional responses to water availability is limited; current field studies use either very rough approximations of water and oxygen availability or only focus on water-stressed ecosystems. Studies that relate species' responses to a surplus of water are limited to controlled experiments. The aim of this study was to investigate how traits are selected along a gradient of soil moisture, ranging from oxygen-stressed to drought-stressed. We tested 15 traits: eight leaf traits, two root traits, two seed traits and three allometry traits and related their community means to process-based measures of drought stress and oxygen stress for 171 plots in the Netherlands. Because the trait values had been taken from a large database, an independent field survey was carried out to validate the relationships thus derived. We show that root porosity and seed floating capacity are mostly strongly related, although still moderately, to oxygen and drought stress (R",

author = "J.C. Douma and V. Bardin and R.P. Bartholomeus and {van Bodegom}, P.M.",

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AU - Bardin, V.

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AU - van Bodegom, P.M.

PY - 2012

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