The upper treeline of Scots pine (Pinus sylvestris L.) is renowned as a sensitive indicator of climate change and variability. By use of megafossil tree remains, preserved exposed on the ground surface, treeline shift over the past millennium was investigated at multiple sites along the Scandes in northern Sweden. Difference in thermal level between the present and the Medieval period, about AD 1000-1200, is a central, although controversial, aspect concerning the detection and attribution of anthropogenic climate warming.
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Library ResourcePeer-reviewed publicationMay, 2015Russia, Greenland, Sweden
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Library ResourcePeer-reviewed publicationDecember, 2014Europe, Northern America
During the period immediately after World War II, planning in North America and Europe followed highly centralized, top-down, command-and-control approaches that were based on the rational-comprehensive model of planning, which implies an all-knowing, all-powerful government. Part and parcel of this approach was the government’s control of development land and its value.
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Library ResourcePeer-reviewed publicationOctober, 2012Europe, Northern America
Wild herbivorous mammals may damage treeline vegetation an cause soil erosion at a local scale. In many high
mountain areas of Europe and North America, large numbers of red deer have become a threat to the maintenance
of high-elevation forests and attempts to restore the climatic treeline. In northern Fennoscandia, overgrazing by
reindeer in combination with mass outbreaks of the autumnal moth are influencing treeline dynamics. Moose are
also increasingly involved damaging treeline forest. In the Alps, the re-introduction of ibex is causing local damage
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