Production potential and stability of a broadleaved mixed oak/hornbeam forest stand situated on a eutrophic site, Zdanicky les
2012
Hurt, V., Mendelova Univ., Brno (Czech Republic). Ustav Zakladani a Pesteni Lesu
This paper focuses on assessing the growth and production of a mixed oak/hornbeam forest stand established by combined regeneration in 1940 to 1942. The stand is situated at an altitude of 460 m. Since 1961, it is left to its natural development. The 25-year-old stand was characterized as an individually mixed, both diameter- and height-differentiated pole-stage stand. The proportion of tree species was as follows: sessile oak 77 %, hornbeam 19 %, birch 1 %, lime 1 %, black poplar 1 %, wild cherry tree, wild service tree, and field maple. During 41 years of measurements, the proportion of oak slightly decreased to 76 %, on the other hand, the proportion of hornbeam increased to 22 %. The initial growing stock of the 25-year-old stand, 75 cubic m/ha, increased to 323 cubic m/ha at an age of 66 years in 2008. At present, the current volume increment ranged between 6.3 cubic m/ha/year and 11.6 cubic m/ha/year during the years 1967 and 1998. Since the age of 61, the growth of the stand has decreased and then even ceased due to increased mortality of oak trees.
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