Current possibilities of using Norway spruce (Picea abies [L.] Karst.) in forest regeneration in the air-polluted region of the northeastern Krušné hory Mts.

https://doi.org/10.17221/75/2008-JFSCitation:Kubík P., Mauer O. (2009): Current possibilities of using Norway spruce (Picea abies [L.] Karst.) in forest regeneration in the air-polluted region of the northeastern Krušné hory Mts. J. For. Sci., 55: 376-386.
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The paper analyses possibilities of repeated use of Norway spruce (Picea abies [L.] Karst.) in the regeneration of existing Norway spruce stands, in the regeneration of large-area clearcuts, and in the reconstruction of the stands of substitute tree species (European white birch [Betula verrucosa Ehrh.]) after a change in the emission situation in the northeastern Krušné hory Mts., comparing the prosperity of these plantations with plantations in the unpolluted Bohemian-Moravian Upland. The survey included 26 research plots aged 1–12 years, situated predominantly on acidic sites in Forest Altitudinal Vegetation Zones (FAVZ) 6 and 7 in the northeastern Krušné hory Mts. (air pollution damage zones A and B) and 6 control plots aged 4–11 years on acidic sites of FAVZ 6 in the Bohemian-Moravian Upland (air pollution damage zone C). Total number of parameters and traits assessed in each tree was up to 14. Research results indicate that the current pollution and climatic situation in the Krušné hory Mts. allow a switch to the classical spruce management system of higher elevations. The best method of regeneration is seen in small-size regeneration elements – clearcuts of up to 1 ha. The spruce can also be used on large-area clearcuts, but it suffers from a long transplanting shock and frost injuries there. All plantations must be protected against game damage.
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