Filtering by: Creator Björk, Robert G. Remove constraint Creator: Björk, Robert G. Creator Løkken, Jørn O. Remove constraint Creator: Løkken, Jørn O. Keyword Betula pubescens ssp. tortuosa Remove constraint Keyword: Betula pubescens ssp. tortuosa Keyword Plant community structure Remove constraint Keyword: Plant community structure Keyword Treeline advance Remove constraint Keyword: Treeline advance