Radiocarbon and Soil Evidence of Former Forest in the Southern Canadian Tundra

@article{Bryson1965RadiocarbonAS,
  title={Radiocarbon and Soil Evidence of Former Forest in the Southern Canadian Tundra},
  author={Reid A. Bryson and William N. Irving and James A. Larsen},
  journal={Science},
  year={1965},
  volume={147},
  pages={46 - 48}
}
Radiocarbon dating of charcoal on podzols along a transect reaching 280 kilometers north of the present tree line from Ennadai Lake indicates that former forests were burnt about 3500 years ago and again about 900 years ago. These forests probably were associated with periods of relatively mild climate. 
Pollen Diagrams from Sub-Arctic Central Canada
Peat from Keewatin and Manitoba contained macrofossil and palynological evidence of former latitudinal movements of the forest-tundra boundary in response to the changing location of the mean summer
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From palynological studies it appears that northernmost dwarf spruces of the tundra and parts of the forest-tundra boundary may be relicts from times of prior warmth, and if felled might not
Pollen analysis of postglacial sediments from Eildun Lake, District of Mackenzie, N.W.T., Canada
Sediment from Eildun Lake, located at 63°8.6′N, 122°46.5′W in the northern boreal forest, was cored to a depth of 268 cm and analyzed for pollen content. Pollen percentages and 14C dates suggest a ...
Are Holocene wood-charcoal fragments stratified in alpine and subalpine soils? Evidence from the Alps based on AMS 14C dates
The possible stratification of charcoal particles buried in well-drained soil in the subalpine and alpine belts in an inner valley of the northwestern Alps (Savoy, France) is examined. Radiocarbon
Late Holocene deforestation and tree regeneration in the forest–tundra of Québec
Reconstructions of climate in the Holocene rely heavily on palaeoclimatic indicators such as altitudinal and latitudinal tree-line movements1 inferred either from direct (macrofossil), or indirect
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