plantations are a crucial global resource, offering raw materials for industries across five continents, including renewable energy sources, recyclable fibers, and eco-friendly wood products. To support sustainable management, ten wireless dendrometer and environmental sensor systems were deployed on trees-six in Stellenbosch, South Africa, and four in Leiria, Portugal. These systems measure tree stem growth, air and soil conditions, and transmit data via LoRaWAN to a cloud-based platform (ThingSpeak), with local SD-card backups. Nine systems collect data at 6-minute intervals, while one collects at 11-minute intervals. This data is valuable for maintaining forest health and ensuring resource sustainability. EucXylo, a Research Chair funded by the Hans Merensky Legacy Foundation, focuses on the ecophysiology, growth, and wood formation in eucalypts. The dataset aids in developing models of tree growth and xylem production, offering high-resolution insights into growth and environmental conditions.
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http://dx.doi.org/10.1016/j.dib.2024.111035 | DOI Listing |
Plant Biol (Stuttg)
December 2024
Department of Silviculture and Forest Ecology of the Temperate Zones, University of Göttingen, Göttingen, Germany.
Temperate mixed forests are currently experiencing severe drought conditions and face increased risk of degradation. However, it remains unclear how critical tree physiological functions such as sap flow density (SFD) and tree water deficit (TWD, defined as reversible stem shrinkage when water is depleted), respond to extreme environmental conditions and how they interact under dry conditions. We monitored SFD and TWD of three co-occurring European tree species (Fagus sylvatica, Fraxinus excelsior and Acer pseudoplatanus) in dry conditions, using high temporal resolution sap flow, dendrometer, and environmental measurements.
View Article and Find Full Text PDFData Brief
December 2024
Department of Forest and Wood Science, Stellenbosch University, South Africa.
plantations are a crucial global resource, offering raw materials for industries across five continents, including renewable energy sources, recyclable fibers, and eco-friendly wood products. To support sustainable management, ten wireless dendrometer and environmental sensor systems were deployed on trees-six in Stellenbosch, South Africa, and four in Leiria, Portugal. These systems measure tree stem growth, air and soil conditions, and transmit data via LoRaWAN to a cloud-based platform (ThingSpeak), with local SD-card backups.
View Article and Find Full Text PDFTree Physiol
December 2024
Karlsruhe Institute of Technology, Institute of Meteorology and Climate Research - Atmospheric Environmental Research (KIT/IMK-IFU), Kreuzeckbahnstraße 19, 82467 Garmisch-Partenkirchen, Germany.
The severity of droughts is expected to increase with climate change, leading to more frequent tree mortality and a decline in forest ecosystem services. Consequently, there is an urgent need for monitoring networks to provide early warnings of drought impacts on forests. Dendrometers capturing stem diameter variations may offer a simple and relatively low-cost opportunity.
View Article and Find Full Text PDFPlant Cell Environ
January 2025
Instituto Pirenaico de Ecología (IPE-CSIC), Zaragoza, Spain.
Stem growth responses to soil and atmospheric drought are critical to forecasting the tree carbon sink strength. Yet, responses of drought-prone forests remain uncertain despite global aridification trends. Stem diameter variations at an hourly resolution were monitored in five Mediterranean tree species from a mesic and a xeric site for 6 and 12 years.
View Article and Find Full Text PDFTree Physiol
October 2024
Department of Silviculture and Forest Ecology of the Temperate Zones, Faculty of Forest Sciences and Forest Ecology, University of Göttingen, Büsgenweg 1, 37077 Göttingen, Germany.
Mixed-species forests are, for multiple reasons, promising options for forest management in Central Europe. However, the extent to which interspecific competition affects tree hydrological processes is not clear. High-resolution dendrometers capture subdaily variations in stem diameter; they can simultaneously monitor stem growth (irreversible changes in diameter) and water status (reversible changes) of individual trees.
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