Decline of spruce (Picea abies) in forests of Belarus

Тип публикации: статья из журнала

Год издания: 2016

Идентификатор DOI: 10.1134/S106741361603005X

Ключевые слова: decline of conifers, spruce stands, water stress, climate change, Belarus, Belarus, climate change, decline of conifers, spruce stands, water stress

Аннотация: The decline of spruce stands in Belarus has been analyzed in relation to the dynamics of climatic variables. The results show that this process is correlated with the amount of precipitation, moisture deficit, index of aridity, relative air humidity, and evapotranspiration. Frosts at the onset of the growing season enhance tree die-off, while increase in cloud cover has a favorable effect on the state of spruce stands. Damage to trees occurs mainly in areas with elevated and convex topography and slopes of southwestern aspect, increasing on steeper slopes. The level of die-off is most closely correlated with conditions of the previous year, which is explained by the impact of biological factors (pest insects and phytopathogens) on tree stands already affected by water stress. The decline of spruce stands on a mass scale is also observed in neighboring regions of Russia and counties of East Europe, which is evidence for a low adaptability of spruce to current climate change, including the increasing frequency and severity of dry periods.

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Издание

Журнал: RUSSIAN JOURNAL OF ECOLOGY

Выпуск журнала: Vol. 47, Is. 3

Номера страниц: 241-248

ISSN журнала: 10674136

Место издания: NEW YORK

Издатель: MAIK NAUKA/INTERPERIODICA/SPRINGER

Авторы

  • Kharuk V.I. (Siberian Federal University)
  • Im S.T. (Siberian State Aerospace University)
  • Dvinskaya M.L. (Sukachev Institute of Forest,Siberian Branch,Russian Academy of Sciences)

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