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RISS 인기검색어
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- 저자 : 이임균 ( Im Kyub Lee ) (검색결과 1 건)
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이궁 ( Koong Yi ),임주훈 ( Joo Hoon Lim ),김정환 ( Jeong Hwan Kim ),이임균 ( Im Kyub Lee ),정용호 ( Yong Ho Jeong ) 한국환경복원기술학회 2013 한국환경복원기술학회지 Vol.16 No.1
This study was conducted to evaluate the effect of soil covering depth and vegetation base materials on the competition between Pinus densiflora Siebold & Zucc. and Lespedeza cyrtobotrya Miq., which were grown in an abandoned coal mine land for three years after seeding, by comparing their growth and stein density. The study site was consisted of sub-plots with four different soil covering depths (0cm, 10cm, 20cm, and 30cm) and four different compounds of vegetation base materials (peat moss (control), soil conditioner+peat moss (S+P), erosion control material+peat moss (E+P), and soil conditioner+erosion control material+peat moss (S+E+P)). Results of this study showed opposite pattern between P. densiflora and L. cyrtobotrya with different soil covering depth and compounds of vegetation base materials in general. P. densiflora showed the highest growth and stem density in plots with 10cm and 0cm depths of soil covering, respectively, while the lowest was shown in plots with 20cm depth of soil covering. In contrast, L cyriobotrya showed the highest growth and stem density in plots with 20cm depth of soil covering, while the loweSt was shown in plots with 0cm depth of soil covering. In case of vegetation base materials, P. densflora showed the highest growth and stem density in control plots and plots treated with S+P, respectively, while the lowest was shown in plots with S+E+P treatment. On the other hand, L cyrtobotrva showed the highest growth and stem density in plots treated with S+E+P, while the lowest was shown in control plots. These results suggested the competition between two plants as a major cause of opposite patterns, which is induced by the suppressed growth and stem density of P. densiflora by fast growing L cyrtobotrya. Despite the suppression of L cyrtobotrya on P. densiflora, L. cyrtobotrya can play a positive role in improving soil quality, and thus it would be more desirable for restoring abandoned coal mine land to manage the growth of L cyrtobotrya periodically, rather than eliminate them.
ScienceON
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