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논문 기본 정보

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(China Agricultural University) (Tibet University, China) (China Agricultural University) (China Agricultural University)
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한국토양비료학회 한국토양비료학회 학술발표회 초록집 20th WORLD CONGRESS OF SOIL SCIENCE
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    초록·키워드

    To date the diversity of arbusucular mycorrhizal (AM) fungi and their ecological roles in alpine ecosystems on Tibetan Plateau remain largely unexplored. Two dominate plant species of Kobresia pygmaea and Carex haematostomaNees were sampled along an elevational transect from the west slope to the east slope along Mila mountain on Tibetan Plateau. The relative abundance (RA) of the two sedges in the local plant community fell within the range of 12-46% and 7%-29% respectively. Fungi communities colonizing roots of K. pygmaea and C. haematostomaNees were analyzed by PCR, cloning, and sequencing. A structural equation model (SEM) was built to analysis the biotic factors affecting glomalin content in rhizosphere soil. Roots of the two sedges of K. pygmaea and C. haematostomaNees were well colonized, and the colonization rates were within the range of 14%-40% and 15-44% respectively. Glomalin content in soil was 3.7-6.7 mg/g dry soil. Although glomalin content of K. pygmaea and C. hae ... 전체 초록 보기

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