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Ilkka Leinonen, Heikki Hänninen, Tapani Repo

Testing of frost hardiness models for Pinus sylvestris in natural conditions and in elevated temperature.

Leinonen I., Hänninen H., Repo T. (1996). Testing of frost hardiness models for Pinus sylvestris in natural conditions and in elevated temperature. Silva Fennica vol. 30 no. 2–3 article id 5583. https://doi.org/10.14214/sf.a9228

Abstract

Two dynamic models predicting the development of frost hardiness of Finnish Scots pine (Pinus sylvestris L.) were tested with frost hardiness data obtained from trees growing in the natural conditions of Finland and from an experiment simulating the predicted climatic warming. The input variables were temperature in the first model, and temperature and night length in the second. The model parameters were fixed on the basis of previous independent studies. The results suggested that the model which included temperature and photoperiod as input variables was more accurate than the model using temperature as the only input variable to predict the development of frost hardiness in different environmental conditions. Further requirements for developing the frost hardiness models are discussed.

Keywords
climatic warming; dynamic models; climate change; photoperiod; Scots pine; Pinus sylvestris; temperature; frost hardiness

Published in 1996

Available at https://doi.org/10.14214/sf.a9228 | Download PDF

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