NDLI: Organic matter economy of Euphorbia adenochlora with special reference to its life cycle

Content Provider	Springer Nature Link
Author	Yamasaki, Shiori
Copyright Year	1999
Abstract	The dry matter economy of Euphorbia adenochlora Morra et Decne was investigated in a moist tall grassland in the Tajimagahara nature reserve, which protects a riverside grassland on the Arakawa river in Saitama Prefecture, central Japan. Euphorbia adenochlora is a typical short clonal species in the flood plain meadows, but is listed as an endangered species. It starts to grow in late February, and grows fast in early April by using one-third to about half of the dry matter of the rhizomes, which are composed of annual segments up to 8–10 years of age. During the period of fastest growth in early April, the bulk density (g dry weight cm$^{−3}$) of the rhizomes attained the minimum value. By the end of May, it reached its maximum. When $^{13}$CO$_{2}$ was fed to the shoots by means of photosynthesis, the concentration of $^{13}$C-containing photosynthates was highest in the new rhizome segment; the older the segment the lower the concentration of $^{13}$C. Shoot-clipping of E. adenochlora in late April, when bulk density was near the minimum, greatly depressed shoot growth in the following year. At the beginning of June, all of the aerial shoots of E. adenochlora died out with the growth of tall grasses. These results suggest that E. adenochlora has a life cycle as a spring ephemeral.
Starting Page	23
Ending Page	30
Page Count	8
File Format	PDF
ISSN	09123814
Journal	Ecological Research
Volume Number	14
Issue Number	1
e-ISSN	14401703
Language	English
Publisher	Springer-Verlag
Publisher Date	1999-01-01
Publisher Place	Tokyo
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Behavioural Sciences Ecology Evolutionary Biology Forestry Plant Sciences Zoology
Content Type	Text
Resource Type	Article
Subject	Ecology, Evolution, Behavior and Systematics

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