Subfossils of Scots pine (Pinus sylvestris L.) from the mountain area of South Norway as the basis for a long tree-ring chronology

age altitud altitude anillo de crecimiento bogs cerne climatologia climatologie climatology datation au radiocarbone dendrochronologie dendrochronology dendrocronologia dendrometria dendrometrie edad forest mensuration growth rings highlands marais noruega norway palaeontology paleontologia paleontologie pinus sylvestris radiocarbon dating tremedal