Faculty of Biology, University of Latvia
EEB
Hard copy: ISSN 1691–8088
On-line: ISSN 2255–9582
Environ Exp Biol (2016) 14: 97–106
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Environmental and
Experimental
Biology

Environ Exp Biol (2016) 14: 97–106

Orginal Articles

The colonization history of Scots pine (Pinus sylvestris) in pristine and drained raised bogs in Latvia

1,2*, 2, 3, 3
1University of Eastern Finland, School of Forest Sciences, Yliopistokatu 7, Joensuu, P.O. Box 111 80101, Finland
2University of Latvia, Faculty of Geography and Earth Sciences, Jelgavas 1, Rīga LV-1004, Latvia
3University of Latvia, Faculty of Biology, Jelgavas 1, Rīga LV-1004, Latvia
* Corresponding author, E-mail: mihails.cugunovs@uef.fi

Abstract

In this study, we determined the spatio-temporal patterns of Scots pine (Pinus sylvestris L.) colonization in a drained and an undrained raised bog in Latvia, in relation to climate data and drainage history. The age of trees was estimated and mapped. In the drained mire, tree groups with age 20 to 60 years covered an extensive area, and the time of colonization corresponded to a period of low precipitation and bog drainage. In the undrained mire, the age of Scots pine was mostly 30 to 50 years and the peak colonization likely occurred when the ground water level was deeper in a period of low precipitation. Thus, the evidence suggests that drainage is not the only factor driving the development of Scots pine stands in bogs in Latvia. Our results show that the impacts of other factors, such as climate, should also be considered in ecosystem restoration and management plans.

Key words: climate, drainage, raised bog, Scots pine.

 
Environ Exp Biol (2016) 14: 97–106
 DOI: http://doi.org/10.22364/eeb.14.14
EEB

Editor-in-Chief
Prof. Gederts Ievinsh



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