Establishment, expansion and regeneration of aspen (Populus tremula) in the Torneträsk area, subarctic Sweden

• Main Authors: Van Bogaert, Rik, Jonasson, Christer, De Dapper, Morgan, Callaghan, Terry V
• Format: Other/Unknown Material
• Language: English
• Published: PANGAEA 2010
• Subjects: Biological sample; BIOS; International Polar Year (2007-2008); IPY; Tornetraesk_area; Torneträsk; Sweden; Antarctic and Alpine Research; Arctic; International Polar Year; Subarctic
• Online Access: https://doi.pangaea.de/10.1594/PANGAEA.841218; https://doi.org/10.1594/PANGAEA.841218

In subarctic Sweden, recent decadal colonization and expansion of aspen (Populus tremula L.) were recorded. Over the past 100 years, aspen became c. 16 times more abundant, mainly as a result of increased sexual regeneration. Moreover, aspen now reach tree-size (>2 m) at the alpine treeline, an e...