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Towards comparable assessment of the soil nutrient status across scales-Review and development of nutrient metrics
Van Sundert, Kevin (University of Antwerp. Department of Biology)
Radujkovic, Dajana (University of Antwerp. Department of Biology)
Cools, Nathalie (Research Institute for Nature and Forest (Bèlgica))
De Vos, Bruno (Research Institute for Nature and Forest (Bèlgica))
Etzold, Sophia (Swiss Federal Institute for Forest. Snow and Landscape Research)
Fernández-Martínez, Marcos (University of Antwerp. Department of Biology)
Janssens, Ivan (University of Antwerp. Department of Biology)
Merila, Paivi (Natural Resources Institute Finland)
Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals)
Sardans i Galobart, Jordi (Centre de Recerca Ecològica i d'Aplicacions Forestals)
Stendahl, Johan (Swedish University of Agricultural Sciences. Department of Soil and Environment)
Terrer, César (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals)
Vicca, Sara (University of Antwerp. Department of Biology)

Data: 2020
Resum: 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 of the FH layer, can be used as a complementary tool along with other indicators of nutrient availability, to compare the background nutrient status across temperate and boreal forests dominated by spruce, pine or beech. Future collection and provision of harmonized soil data from observational and experimental sites is crucial for further testing and adjusting the metric.
Ajuts: European Commission 610028
Ministerio de Ciencia e Innovación MDM-2015-0552
Nota: Unidad de excelencia María de Maeztu CEX2019-000940-M
Drets: Tots els drets reservats
Llengua: Anglès
Document: Article ; recerca ; Versió acceptada per publicar
Matèria: ICP Forests ; Leaf economics spectrum ; Nutrient availability ; Nutrient limitation ; Nutrient status ; Plant functional traits ; Remote sensing ; Soil nutrients ; Stoichiometry ; Tree growth
Publicat a: Global change biology, Vol. 26, issue 2 (Feb. 2020) , p. 392-409, ISSN 1365-2486

DOI: 10.1111/gcb.14802
PMID: 31437331


Postprint
30 p, 731.4 KB

El registre apareix a les col·leccions:
Documents de recerca > Documents dels grups de recerca de la UAB > Centres i grups de recerca (producció científica) > Ciències > CREAF (Centre de Recerca Ecològica i d'Aplicacions Forestals) > Imbalance-P
Documents de recerca > Documents dels grups de recerca de la UAB > Centres i grups de recerca (producció científica) > Ciències > Institut de Ciència i Tecnologia Ambientals (ICTA)
Articles > Articles de recerca
Articles > Articles publicats

 Registre creat el 2020-02-10, darrera modificació el 2022-08-07



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