Climate condition affects foliar nutrition in main European tree species

Foliar nutrient concentrations, contents, and ratios are important indicators for the nutritional status of trees. They depend on the availability of nutrients and the uptake capacities of the trees, which are controlled by forest structure, soil and climate condition. Consequently, accounting for c...

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Autores principales:	Inken Krüger, Andreas Schmitz, Tanja GM Sanders
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Foliar nutrition Nutrient concentrations Nutrient contents Dilution effect Foliar mass Climate effects Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/7ff17ac1ac094d0982c6d6746f96b428
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spelling	oai:doaj.org-article:7ff17ac1ac094d0982c6d6746f96b4282021-12-01T04:58:31ZClimate condition affects foliar nutrition in main European tree species1470-160X10.1016/j.ecolind.2021.108052https://doaj.org/article/7ff17ac1ac094d0982c6d6746f96b4282021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1470160X21007172https://doaj.org/toc/1470-160XFoliar nutrient concentrations, contents, and ratios are important indicators for the nutritional status of trees. They depend on the availability of nutrients and the uptake capacities of the trees, which are controlled by forest structure, soil and climate condition. Consequently, accounting for climate conditions can aid the interpretation of foliar chemistry measurements.We applied a moving-window approach to identify the effects of atmospheric temperature and precipitation on tree nutrition at different time intervals based on data collected by institutions of the German Federal States within the ICP Forests Level II network. We studied the main nutrients N, P, K, Ca, and Mg as well as foliar mass for the main temperate tree species (European beech, temperate oaks, Norway spruce, Scots pine).Results show that foliar traits of all main tree species are affected by either current and/or lagged climate condition. Nutrient concentrations are generally less sensitive to climate condition than foliar mass and nutrient contents. Nutrient contents show the same response direction to climate condition as foliar mass, while nutrient concentrations mostly show an opposite response, potentially indicating the existence of dilution effects. Only Ca content in spruce shows weak effects of climate as changes in foliar mass are entirely counterbalanced by opposing changes in Ca concentrations.For spruce, pine, and oak significant climate effects on nutrient ratios were found. In general, N:P, N:K, and P:K are less sensitive to climate variations than ratios including Mg or Ca. In beech, all nutrient concentrations show a similar response to climate condition. Nutrient ratios in beech are thus relatively robust against climate condition compared to concentrations and contents.Our results highlight that intervals of less than three month provide a good indication of the climatic impact on tree nutrition. Longer periods, or means over several years, are less suitable as indicators. Defined periods show, however, a significant role of climate beside soil factors and species on foliar nutrition and should therefore be considered for the interpretation of tree nutrition.Inken KrügerAndreas SchmitzTanja GM SandersElsevierarticleFoliar nutritionNutrient concentrationsNutrient contentsDilution effectFoliar massClimate effectsEcologyQH540-549.5ENEcological Indicators, Vol 130, Iss , Pp 108052- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Foliar nutrition Nutrient concentrations Nutrient contents Dilution effect Foliar mass Climate effects Ecology QH540-549.5
spellingShingle	Foliar nutrition Nutrient concentrations Nutrient contents Dilution effect Foliar mass Climate effects Ecology QH540-549.5 Inken Krüger Andreas Schmitz Tanja GM Sanders Climate condition affects foliar nutrition in main European tree species
description	Foliar nutrient concentrations, contents, and ratios are important indicators for the nutritional status of trees. They depend on the availability of nutrients and the uptake capacities of the trees, which are controlled by forest structure, soil and climate condition. Consequently, accounting for climate conditions can aid the interpretation of foliar chemistry measurements.We applied a moving-window approach to identify the effects of atmospheric temperature and precipitation on tree nutrition at different time intervals based on data collected by institutions of the German Federal States within the ICP Forests Level II network. We studied the main nutrients N, P, K, Ca, and Mg as well as foliar mass for the main temperate tree species (European beech, temperate oaks, Norway spruce, Scots pine).Results show that foliar traits of all main tree species are affected by either current and/or lagged climate condition. Nutrient concentrations are generally less sensitive to climate condition than foliar mass and nutrient contents. Nutrient contents show the same response direction to climate condition as foliar mass, while nutrient concentrations mostly show an opposite response, potentially indicating the existence of dilution effects. Only Ca content in spruce shows weak effects of climate as changes in foliar mass are entirely counterbalanced by opposing changes in Ca concentrations.For spruce, pine, and oak significant climate effects on nutrient ratios were found. In general, N:P, N:K, and P:K are less sensitive to climate variations than ratios including Mg or Ca. In beech, all nutrient concentrations show a similar response to climate condition. Nutrient ratios in beech are thus relatively robust against climate condition compared to concentrations and contents.Our results highlight that intervals of less than three month provide a good indication of the climatic impact on tree nutrition. Longer periods, or means over several years, are less suitable as indicators. Defined periods show, however, a significant role of climate beside soil factors and species on foliar nutrition and should therefore be considered for the interpretation of tree nutrition.
format	article
author	Inken Krüger Andreas Schmitz Tanja GM Sanders
author_facet	Inken Krüger Andreas Schmitz Tanja GM Sanders
author_sort	Inken Krüger
title	Climate condition affects foliar nutrition in main European tree species
title_short	Climate condition affects foliar nutrition in main European tree species
title_full	Climate condition affects foliar nutrition in main European tree species
title_fullStr	Climate condition affects foliar nutrition in main European tree species
title_full_unstemmed	Climate condition affects foliar nutrition in main European tree species
title_sort	climate condition affects foliar nutrition in main european tree species
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/7ff17ac1ac094d0982c6d6746f96b428
work_keys_str_mv	AT inkenkruger climateconditionaffectsfoliarnutritioninmaineuropeantreespecies AT andreasschmitz climateconditionaffectsfoliarnutritioninmaineuropeantreespecies AT tanjagmsanders climateconditionaffectsfoliarnutritioninmaineuropeantreespecies
_version_	1718405670703726592

Climate condition affects foliar nutrition in main European tree species

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