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Seasonal Growth ofPine Tree Rings:Comparison of DirectObservations andSimulation : научноеиздание Babushkina Elena A.Sitnikov Gleb A.Upadhyay Keshav K.2022 год

Seasonal Growth of Pine Tree Rings: Comparison of Direct Observations and Simulation : научное издание
статья из журнала

Дополнительные ссылки: eLibrary
База данных: Каталог библиотеки СФУ
Библиографическое описание: Seasonal Growth of Pine Tree Rings: Comparison of Direct Observations and Simulation : научное издание / Elena A. Babushkina [et al.]. - Текст : непосредственный // Forests. - 2022. - Т. 13, № 12. - P. 1978. - ISSN 1999-4907, DOI 10.3390/f13121978.
Аннотация: <jats:p>Repetitive observations (direct measurements) of seasonal kinetics of xylogenesis and simulations (proxy data) with tree growth models are the two main approaches available to assess tree-ring growth and development. Both have drawbacks: short cover period for observations; limited accuracy of simulations depending on input data for models. We proposed an implementation of both approaches on the same trees to find ways for compensation. Cell numbers at subsequent xylogenesis stages were observed for Pinus sylvestris L. over five seasons in moisture-deficient habitats of Southern Siberia. The Vaganov–Shashkin model was parameterized for species and soil-landscape conditions to fit local tree-ring width chronologies (R = 0.56–0.73). Seasonal kinetics variables were then compared among themselves and with the simulated environmentally driven growth rate. The number of cells in the cambial and cell enlargement zone closely followed the curve of the 15-day moving average of the simulated growth rate (R = 0.56–0.87 at one site and R = 0.78–0.89 after shifting rate curve forward by 17–20 days at another site). The maximum number of cambium cells, which occurred within three weeks of the summer solstice, was found to be positively related with the number of tracheids in the complete tree ring (R2 = 0.12–0.75 for individual seasons and 0.49 for total dataset), making it a promising short-term forecast variable for tree radial growth and productivity.</jats:p>
Год издания: 2022
Авторы: Babushkina Elena A., Sitnikov Gleb A., Upadhyay Keshav K., Zhirnova Dina F., Zelenov Grigory K., Vaganov Eugene A., Belokopytova Liliana V.
Источник: Forests
Выпуск: Т. 13, № 12
Номера страниц: 1978
Количество экземпляров:
Твёрдая копия издания отсутствует в фонде библиотеки

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