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강원도 석탄 폐광지 주변 폐석더미에서 복토와 식생기반재 처리가 소나무(Pinus densiflora Siebold & Zucc.)와 참싸리(Lespedeza cyrtobotrya Miq.)의 경쟁에 미치는 영향
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  • 강원도 석탄 폐광지 주변 폐석더미에서 복토와 식생기반재 처리가 소나무(Pinus densiflora Siebold & Zucc.)와 참싸리(Lespedeza cyrtobotrya Miq.)의 경쟁에 미치는 영향
저자명
이궁,임주훈,김정환,이임균,정용호,Yi. Koong,Lim. Joo-Hoon,Kim. Jeong-Hwan,Lee. Im-Kyun,Jeong. Yong-Ho
간행물명
環境復元綠化
권/호정보
2013년|16권 1호|pp.99-107 (9 pages)
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한국환경복원기술학회
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

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 stem 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. cyrtobotrya 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. densiflora 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. cyrtobotrya 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.