Abstract
By the method of gradient pattern analysis, twenty plots were set at altitudes of 700–2600 m with an interval of 100 m on the northern slope of the Changbai Mountain. The dissimilarity of respective sub-plots in the same community was measured and the complexity of plant communities at different altitudes was analyzed. The result from binary data of tree species in canopy tree indicated that the sub-plots in the communities, except subalpineBetula ermanii forest, showed comparatively high dissimilarity in species composition. Especially, the dissimilarity index (0.7) of broadleaved/Korean pine forest at low altitudes was obviously higher than other communities. The differences are not obvious between communities referring to dark coniferous forest. Comparatively, the dissimilarity in sub-plots of the communities at altitude of 1400 m was slightly higher than that of other communities, which reflected the complexity of tree species compositions of transitory-type communities. For subalpineBetula ermanii forest, tree species composition was simple and showed a high similarity between sub-plots. The results derived from binary data of shrub showed that the dissimilarity index of shrub species in broadleaved/Korean pine forest at low altitudes was higher than that in other communities, but the divergence tendency wasn’t so obvious as that of arbor species. The dissimilarity derived from binary data of herb and all plant species at different altitudes showed greatly close tendency, and the differences in herb and all plant species between sub-plots were the greatest for the communities of broad-leaved-Korean pine forest and alpine tundra zone.
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Foundation item: This research is supported by the Chinese Academy of Science (grand KZCX2-406) and founded by Chinese Science of Academy “Hundred People” Project.
Biography: HAO Zhan-qing (1962), male, Ph. Doctor, Professor in Institute of Applied Ecology, Chinese Academy of Science, Shengyang 110016 P. R China
Responsible editor: Chai Ruihai
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Zhan-qing, H., De-yong, Y., Hong-bing, D. et al. Study on complexity of plant communities at different altitudes on the Northern Slope of Changbai Mountain. Journal of Forestry Research 13, 17–20 (2002). https://doi.org/10.1007/BF02857138
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DOI: https://doi.org/10.1007/BF02857138