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Why are birch trees and conifers common in the Baltic states?

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Map of the Baltic States-Estonia, Latvia, and Lithuania-showing country borders, major uplands and plains, highest points, and the capitals Tallinn, Riga, and Vilnius. Surrounding countries and bodies of water, including Russia, Belarus, Poland, Finland, Sweden, the Baltic Sea, and the Gulf of Finland, are also labeled. — Baltic states The Baltic states: Estonia, Latvia, and Lithuania.

Birch trees and conifers are common in the Baltic states primarily because they are well-adapted to the region's cool, damp climate and its often poorly drained soils.1

The Baltic landscape is characterized by numerous lakes, peat bogs, and marshes, which result from glacial deposits that disrupt natural drainage patterns. These environmental conditions favor the growth of specific tree species that can thrive in such settings. Furthermore, the region is situated within a zone where these hardy, cold-resistant trees predominate, reflecting the broader ecological characteristics of the boreal forest (or taiga) that extends across northern Europe.12

These trees are also historically significant as some of the first species to become established in the region following the retreat of the glaciers thousands of years ago. Today, they remain a defining feature of the local landscape, with forests covering more than one-third of the Baltic region.341