Herbivory and warming have opposing short-term effects on plant-community nutrient levels across high-Arctic tundra habitats

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Authors	PETIT BON Matteo BRATHEN Kari Anne RAVOLAINEN Virve Tuulia OTTAVIANI Gianluigi BOHNER Hanna JONSDOTTIR Ingibjorg Svala
Year of publication	2023
Type	Article in Periodical
Magazine / Source	Journal of Ecology
MU Faculty or unit	Faculty of Science
Citation
web	https://doi.org/10.1111/1365-2745.14114
Doi	https://doi.org/10.1111/1365-2745.14114
Keywords	biomass; herbivory; nitrogen; nutrient availability; nutrient cycling; perturbation; phosphorus; plant-herbivore interaction; soil moisture; vascular plant
Description	1. Environmental changes can rapidly alter standing biomass in tundra plant communities; yet, to what extent can they modify plant-community nutrient levels? Nutrient levels and their changes can affect biomass production, nutrient cycling rates and nutrient availability to herbivores. We examined how environmental perturbations alter Arctic plant-community leaf nutrient concentrations (percentage of dry mass, i.e. resource quality) and nutrient pools (absolute mass per unit area, i.e. resource quantity).
Related projects:	Centrum pro evropské vegetační syntézy (CEVS)