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Articles containing the keyword 'fluctuating asymmetry'
Category : Research article
article id 499,
category
Research article
(2003).
Drought is more stressful for northern populations of Scots pine than low summer temperatures.
Silva Fennica
vol.
37
no.
2
article id 499.
https://doi.org/10.14214/sf.499
Keywords:
Pinus sylvestris;
climate change;
precipitation;
stress;
temperature;
fluctuating asymmetry;
Kola peninsula
Abstract |
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Author Info
Needle fluctuating asymmetry, which is a non-specific stress indicator, was used to evaluate responses of Scots pine (Pinus sylvestris L.) to annual climatic variation in the Kola Peninsula, NW Russia, during 1992–1999. Although the 30 trees surveyed for this study demonstrated individualistic responses to the temperature and precipitation of the growth seasons, at the population level we found no effect of temperature and a significant increase in fluctuating asymmetry with a decline in precipitation during the previous August. This finding suggests that the vitality of Scots pine populations at the northern tree limit is controlled by late summer precipitation rather than by temperatures of the growth season.
-
Kozlov,
Section of Ecology, University of Turku, 20014 Turku, Finland
E-mail:
mikoz@utu.fi
- Niemelä, Forestry Faculty, University of Joensuu, P.O. Box 111, 80101 Joensuu, Finland E-mail: pn@nn.fi
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