Articles | Volume 18
https://doi.org/10.5194/asr-18-93-2021
https://doi.org/10.5194/asr-18-93-2021
17 Jun 2021
 | 17 Jun 2021

Full flowering phenology of apple tree (Malus domestica) in Pūre orchard, Latvia from 1959 to 2019

Gunta Kalvāne, Zane Gribuste, and Andis Kalvāns

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Long-term phenological data set of multi-taxonomic groups, agrarian activities, and abiotic parameters from Latvia, northern Europe
Gunta Kalvāne, Andis Kalvāns, and Andris Ģērmanis
Earth Syst. Sci. Data, 13, 4621–4633, https://doi.org/10.5194/essd-13-4621-2021,https://doi.org/10.5194/essd-13-4621-2021, 2021
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Cited articles

Avotniece, Z., Aņiskeviča, S., and Maïinovskis, E.: Climate change scenarios in Latvia [Klimata pārmaiòu scenāriji Latvijai], Riga, available at: https://www4.meteo.lv/klimatariks/files/kopsavilkums.pdf (last access: 1 April 2021), 2017 (in Latvian). 
Chmielewski, F. M., Müller, A., and Bruns, E.: Climate changes and trends in phenology of fruit trees and field crops in Germany, 1961–2000, Agr. Forest Meteorol., 121, 69–78, https://doi.org/10.1016/S0168-1923(03)00161-8, 2004. 
Cornes, R. C., van der Schrier, G., van den Besselaar, E. J. M., and Jones, P. D.: An Ensemble Version of the E-OBS Temperature and Precipitation Data Sets, J. Geophys. Res.-Atmos., 123, 9391–9409, https://doi.org/10.1029/2017JD028200, 2018. 
Czernecki, B., Jakub, N., and Jabłonska, K.: Machine learning modeling of plant phenology based on coupling satellite and gridded meteorological dataset, Int. J. Biometeorol., 62, 1297–1309, 2018. 
Drudze, I., Kalvāne, G., Gribuste, Z., and Kalvāns, A.: Apple phenology data set and R script, related to publication “Full flowering phenology of apple tree (Malus domestica) in Pūre orchard, Latvia from 1959 to 2019”, Zenodo [data set], https://doi.org/10.5281/zenodo.4912025, 2021. 
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Short summary
The Pūre orchard is one of the biggest and oldest apple orchards in the Baltic. We have digitized the full flowering phenological data of apple trees over the period of 1959 to 2019. Described changes in full-flowering time: apple trees all 17 varieties have begun to flower earlier. We tested three sets of meteorological data in phenological model to develop better-quality phenological predictions. As ongoing and predicted climate change has had and will have a significant impact on agriculture