Article (Scientific journals)
TreeNet–The Biological Drought and Growth Indicator Network
Zweifel, R.; Etzold, S.; Basler, D. et al.
2021In Frontiers in Forests and Global Change, 4, p. 776905
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Keywords :
Research Infrastructure
Abstract :
[en] The TreeNet research and monitoring network has been continuously collecting data from point dendrometers and air and soil microclimate using an automated system since 2011. The goal of TreeNet is to generate high temporal resolution datasets of tree growth and tree water dynamics for research and to provide near real-time indicators of forest growth performance and drought stress to a wide audience. This paper explains the key working steps from the installation of sensors in the field to data acquisition, data transmission, data processing, and online visualization. Moreover, we discuss the underlying premises to convert dynamic stem size changes into relevant biological information. Every 10 min, the stem radii of about 420 trees from 13 species at 61 sites in Switzerland are measured electronically with micrometer precision, in parallel with the environmental conditions above and below ground. The data are automatically transmitted, processed and stored on a central server. Automated data processing (R-based functions) includes screening of outliers, interpolation of data gaps, and extraction of radial stem growth and water deficit for each tree. These long-term data are used for scientific investigations as well as to calculate and display daily indicators of growth trends and drought levels in Switzerland based on historical and current data. The current collection of over 100 million data points forms the basis for identifying dynamics of tree-, site- and species-specific processes along environmental gradients. TreeNet is one of the few forest networks capable of tracking the diurnal and seasonal cycles of tree physiology in near real-time, covering a wide range of temperate forest species and their respective environmental conditions. © Copyright © 2021 Zweifel, Etzold, Basler, Bischoff, Braun, Buchmann, Conedera, Fonti, Gessler, Haeni, Hoch, Kahmen, Köchli, Maeder, Nievergelt, Peter, Peters, Schaub, Trotsiuk, Walthert, Wilhelm and Eugster.
Disciplines :
Agriculture & agronomy
Phytobiology (plant sciences, forestry, mycology...)
Author, co-author :
Zweifel, R.;  Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Birmensdorf, Switzerland
Etzold, S.;  Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Birmensdorf, Switzerland
Basler, D.;  Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Birmensdorf, Switzerland, Department of Environmental Sciences–Botany, University of Basel, Basel, Switzerland
Bischoff, R.;  Decentlab Ltd, Dübendorf, Switzerland
Braun, S.;  Institute for Applied Plant Biology AG, Witterswil, Switzerland
Buchmann, N.;  Institute of Agricultural Sciences, ETH Zürich, Zurich, Switzerland
Conedera, M.;  Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Birmensdorf, Switzerland
Fonti, P.;  Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Birmensdorf, Switzerland
Gessler, A.;  Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Birmensdorf, Switzerland, Institute of Terrestrial Ecosystems, ETH Zürich, Zurich, Switzerland
Haeni, M.;  Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Birmensdorf, Switzerland
Hoch, G.;  Department of Environmental Sciences–Botany, University of Basel, Basel, Switzerland
Kahmen, A.;  Department of Environmental Sciences–Botany, University of Basel, Basel, Switzerland
Köchli, R.;  Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Birmensdorf, Switzerland
Maeder, M.;  Institute for Computer Music and Sound Technology (ICST), Zurich University of the Arts (ZHdK), Zurich, Switzerland, Institute for Environmental Decisions, ETH Zürich, Zurich, Switzerland
Nievergelt, D.;  Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Birmensdorf, Switzerland
Peter, M.;  Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Birmensdorf, Switzerland
Peters, Richard ;  Université de Liège - ULiège > Département GxABT > Gestion des ressources forestières et des milieux naturels
Schaub, M.;  Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Birmensdorf, Switzerland
Trotsiuk, V.;  Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Birmensdorf, Switzerland
Walthert, L.;  Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Birmensdorf, Switzerland
Wilhelm, M.;  Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Birmensdorf, Switzerland
Eugster, W.;  Institute of Agricultural Sciences, ETH Zürich, Zurich, Switzerland
More authors (12 more) Less
Language :
English
Title :
TreeNet–The Biological Drought and Growth Indicator Network
Publication date :
2021
Journal title :
Frontiers in Forests and Global Change
eISSN :
2624-893X
Publisher :
Frontiers, Lausanne, Switzerland
Volume :
4
Pages :
776905
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
SNF - Schweizerischer Nationalfonds zur Förderung der wissenschaftlichen Forschung
Available on ORBi :
since 22 December 2021

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