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National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
Dynamics of ground vegetation in climax spruce forests in the Krkonose Mts in different stages of decline during a period after a considerable reduction in SO2 pollution
 Vávrová, Eva ; Cudlín, Pavel
Our study focuses on ground vegetation dynamics in declining mountain Norway spruce forests during the period 1995-2006 following a considerable decrease in SO2 pollution. We showed that ground vegetation development shifted from the prevailing mosses and vegetation-free sites covered with spruce litter to a dominance of Avenella flexuosa during the earlier period of massive decline in the observed ecosystems (i.e. until 1995). The gradual spruce stand decline, accompanied by an expansion of ground vegetation into the spruce litter microsites, generally proceeded also in the period 1995-2002. In the period 2002-2006, ground vegetation responded to the interruption of trees dying, stopped its expansion into spruce litter microsites, and a retreat of the dominant grasses, especially C. villosa, accompanied by a remarkable increase in the cover of mosses was recorded.
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