Ecology of subtropical evergreen broad-leaved forests of Yunnan,southwestern China as compared to those of southwestern Japan |
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Authors: | Cindy Q Tang Masahiko Ohsawa |
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Institution: | (1) Institute of Ecology and Geobotany, Yunnan University, 650091 Kunming, Yunnan, China;(2) Institute of Environmental Studies, Graduate School of Frontier Sciences, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa 277-8563, Japan |
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Abstract: | Subtropical evergreen broad-leaved forests of Yunnan, China, including mid-montane moist, monsoon, and semi-humid categories,
were studied in terms of ecological attributes of pertinent species, diversity, structure, dynamics and succession, as compared
with the subtropical/warm-temperate evergreen broad-leaved rain forest of southwestern (SW) Japan. The genera and species
of the forests of Yunnan and SW Japan are East Asian elements and indicate a very close relationship between the respective
floras, though different assemblages of species occur in the two regions. Diversity indices and numerical data on taxon richness
at family, genus and species level were similar in both regions. Four types of gap-regeneration behaviors among the major
tree species were recognized in the two areas. In both, as a result of long-term human activity, the plant communities ranged
from pioneer deciduous broad-leaved and/or pioneer coniferous stands to late-successional evergreen broad-leaved stands. Succession
in the two regions followed parallel paths, beginning with pioneer Alnus in Yunnan and Alnus, Mallotus and Styrax in Japan, accompanied by coniferous Pinus in the two areas, and with late-successional evergreen broad-leaved Cyclobalanopsis and Castanopsis as their final stage.
Electronic supplementary material The online version of this article (doi:) contains supplementary material, which is available to authorized users. |
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Keywords: | Dominance type Forest dynamics Forest structure Gaps Regeneration Species diversity Succession |
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