環境科学院 植物生態学セミナー   2011-11-01 (Tue) 10:30
(Room: A809 )

Rhysiological activity and productivity of Dwarf bamboo along elevation gradients

Yuta Aoshima
(Chairperson: Ikoma )

The plant that grows to the alpine region grows under a bad environmental condition. For example, low temperature, strong light, and dryness and limitation at growth period etc… However, a lot of alpine plants can make the seed at a short term of growth. Therefore, I think that alpine plants have some strategies for short term of growth.

Previous studies of photosynthesis in alpine environments reported on some results. One of reports, it reported that a deciduous plant does high photosynthesis in the short span of time. And an evergreen plant showed photosynthetic capacity that was lower than a deciduous plant. An evergreen plant maintained photosynthetic capacity from a deciduous plant till late from early time including photosynthesis (Tranquillini 1979). In other reports, it reported that Fallopia japonica of the high ground had photosynthetic capacity that was higher than the one of the low ground under the same environment (Shibata et al.1975). Some reports are done for photosynthesis. But, there is no study of gradually driving the productivity of the plant along the environmental gradients such as the altitude and thaw.

In recently, a rapid vegetation change progresses in Taisetuzan. In Taisetuzan Goshikigahara, dwarf bamboo has increased. Why dwarf bamboo enters a special environment of high mountain environment is not understood.

I am based on the above-mentioned thing in this study and investigate it in a bamboo grass distributed over the various environment. I measure the photosynthesis along the environmental gradient in Taisetuzan.


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