This study was carried out to compare the diameter increment of seven major selected tree species which grow wild in middle area of Korea. The results obtained were summarized as follows. 1) The difference in annual diameter increment among seven species according to D.B.H. classes showed to be the ...
This study was carried out to compare the diameter increment of seven major selected tree species which grow wild in middle area of Korea. The results obtained were summarized as follows. 1) The difference in annual diameter increment among seven species according to D.B.H. classes showed to be the strongest in Juglang mandshurica, the second rank Corpus controversa, the third rank Betula platyphylla, the fourth rank Tilia amurensis, the second rank Fraxinus mendshurica, the sixth rank Populus davidiana, and the weakest in Ulmus davidiana. 2) Total diameter increment among seven species according to tree age classes were ranked as follows: Juglans mandshurica, Cornus controversa, Betula platyphylla, Tilia amurensis, Fraxinus mandshurica, Populus davidiana, and Ulmus davidiana. 3) Juglans mandshurica showed the highest diameter increment in comparison with other six species, while diameter increment in Ulmus davidiana and Populus davidiana decreased in earlier age than other species.
This study was carried out to compare the diameter increment of seven major selected tree species which grow wild in middle area of Korea. The results obtained were summarized as follows. 1) The difference in annual diameter increment among seven species according to D.B.H. classes showed to be the strongest in Juglang mandshurica, the second rank Corpus controversa, the third rank Betula platyphylla, the fourth rank Tilia amurensis, the second rank Fraxinus mendshurica, the sixth rank Populus davidiana, and the weakest in Ulmus davidiana. 2) Total diameter increment among seven species according to tree age classes were ranked as follows: Juglans mandshurica, Cornus controversa, Betula platyphylla, Tilia amurensis, Fraxinus mandshurica, Populus davidiana, and Ulmus davidiana. 3) Juglans mandshurica showed the highest diameter increment in comparison with other six species, while diameter increment in Ulmus davidiana and Populus davidiana decreased in earlier age than other species.
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