Cutting of lichen trees: a survival strategy used before the 20th century in northern Sweden |
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Authors: | Anna Berg Torbj?rn Josefsson Lars ?stlund |
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Institution: | (1) Department of Forest Ecology and Management, Swedish University of Agricultural Sciences, 90183 Ume?, Sweden; |
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Abstract: | Sami reindeer herders in northern Fennoscandia have historically cut trees with high quantities of arboreal lichens to feed
their animals during harsh winters. In this study we analysed temporal and spatial patterns of lichen-tree cuttings of Scots
pine in a remote forest landscape in northern Sweden. We wanted to test the hypothesis that repeated cutting of such trees
may have had long-lasting effects on the forest ecosystem that are still discernable today. Our analyses included an inventory
of remaining lichen-tree stumps, and a field survey of forest variables to relate structural variation within the forest to
these cuttings. We used dendrochronological methods to date stumps and reconstruct forest structure. Our results show that
more than 7,000 trees were cut for this purpose over a period of almost 300 years within an area covering 6 km2. Lichen-tree cutting was most intense during the late 18th century when ca. 600–1,000 trees were cut during each decade.
We did not detect any significant relationship between past lichen-tree cutting and present small-scale forest heterogeneity,
and suggest that this might be due to the small size of the cut trees and the long time elapsed since most of the cuttings.
We conclude that vestiges such as stumps from lichen-tree cutting are highly valuable for our understanding of past land use.
Furthermore, since they are located in an unlogged and very old forest, this highlights the need to acknowledge the interconnectedness
between ecological and cultural values of such forests and the need to identify and protect them. |
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