Towards comparable assessment of the soil nutrient status across scales-Review and development of nutrient metrics.
ICP Forests
leaf economics spectrum
nutrient availability
nutrient limitation
nutrient status
plant functional traits
remote sensing
soil nutrients
stoichiometry
tree growth
Journal
Global change biology
ISSN: 1365-2486
Titre abrégé: Glob Chang Biol
Pays: England
ID NLM: 9888746
Informations de publication
Date de publication:
02 2020
02 2020
Historique:
received:
21
12
2018
accepted:
11
07
2019
pubmed:
23
8
2019
medline:
17
3
2020
entrez:
23
8
2019
Statut:
ppublish
Résumé
Nutrient availability influences virtually every aspect of an ecosystem, and is a critical modifier of ecosystem responses to global change. Although this crucial role of nutrient availability in regulating ecosystem structure and functioning has been widely acknowledged, nutrients are still often neglected in observational and experimental synthesis studies due to difficulties in comparing the nutrient status across sites. In the current study, we explain different nutrient-related concepts and discuss the potential of soil-, plant- and remote sensing-based metrics to compare the nutrient status across space. Based on our review and additional analyses on a dataset of European, managed temperate and boreal forests (ICP [International Co-operative Programme on Assessment and Monitoring of Air Pollution Effects on Forests] Forests dataset), we conclude that the use of plant- and remote sensing-based metrics that rely on tissue stoichiometry is limited due to their strong dependence on species identity. The potential use of other plant-based metrics such as Ellenberg indicator values and plant-functional traits is also discussed. We conclude from our analyses and review that soil-based metrics have the highest potential for successful intersite comparison of the nutrient status. As an example, we used and adjusted a soil-based metric, previously developed for conifer forests across Sweden, against the same ICP Forests data. We suggest that this adjusted and further adaptable metric, which included the organic carbon concentration in the upper 20 cm of the soil (including the organic fermentation-humus [FH] layer), the C:N ratio and
Substances chimiques
Soil
0
Nitrogen
N762921K75
Types de publication
Journal Article
Review
Langues
eng
Sous-ensembles de citation
IM
Pagination
392-409Subventions
Organisme : European Research Council
ID : 610028
Pays : International
Informations de copyright
© 2019 John Wiley & Sons Ltd.
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