id	keyword
fennia-3739	tree
fennia-3739	limit
fennia-3739	kullman
fennia-3739	pine
fennia-3739	holocene
fennia-3739	study
fennia-3739	scandes
fennia-3739	climate
fennia-3739	a.s.l
fennia-3739	wood
fennia-3739	alpine
fennia-3739	site
fennia-3739	century
fennia-3739	years
fennia-3739	birch
fennia-3739	species
fennia-3739	14c
fennia-3739	peat
fennia-3739	past
fennia-3739	present
fennia-3739	change
fennia-3739	evolution
fennia-3739	early
fennia-3739	vegetation
fennia-3739	swedish