4.7 Article

Effect of Climate Change on the Growth of Tree Species: Dendroclimatological Analysis

期刊

FORESTS
卷 13, 期 4, 页码 -

出版社

MDPI
DOI: 10.3390/f13040496

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tree growth; climate change; Pinus sylvestris; Picea abies; Pseudotsuga menziesii

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资金

  1. Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany's Excellence Strategy [EXC 2037, 390683824]

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Tree ring analyses were used to investigate the growth performance of different tree species in northern Germany and their response to climate variables. The study found that the growth response of each tree species to climate was species-specific and varied over time. Future climate projections indicate that the growth of Norway spruce could be negatively affected by increased temperature and decreased summer precipitation.
Tree ring analyses can assist in revealing the effect of gradual change in climatic variables on tree growth. Dendroclimatic analyses are of particular importance in evaluating the climate variables that affect growth significantly and in determining the relative strength of different climatic factors. In this study, we investigated the growth performance of Pinus sylvestris, Picea abies, and Pseudotsuga menziesii in northern Germany using standard dendrochronological methods. The study further analyzed tree growth responses to different climatic variables over a period of a hundred years. Both response function analysis and moving correlation analysis confirmed that the climate and growth relationship is species-specific and variable and inconsistent over time. Scots pine and Douglas fir growth were stimulated mainly by the increase in winter temperatures, particularly the January, February, and March temperatures of the current year. In contrast, Norway spruce growth was stimulated mainly by the increase in precipitation in May, June, and July and the increase in temperature in March of the current year. Climate projections for central Europe foresee an increase in temperature and a decrease in the amount of summer precipitation. In a future, warmer climate with drier summers, the growth of Norway spruce might be negatively affected.

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