Growth Properties of Carex kobomugi Ohwi

To verify growth properties of Carex kobomugi, above and belowground parts of C. kobomugi were surveyed on coastal sand dune at Sinduri, Choongnam Province from April, 2001 to June 2003. The results were the same as follows. In coastal sand dune, C. kobomugi followed Elymus mollis from mean high tide line. Density of C. kobomugi was the highest at unstable sand dune and 150 plants/m2. And rates of flowering plant were 70% at unstable area and 10% at stable area. C. kobomugi is thus plant that adapted to unstable sand dune. Shoot distributed irregularly. The rhizome of C. kobomugi gradually decreased with the soil depth in unstable area, but mainly distributed to 20 ㎝ depth. New rhizome could be generated from the rhizome which was below 150 ㎝ depth or 5 years old. The number and length of new rhizome were related to biomass of previous year's shoot. That was, shoots which were below 0.5 and over 3 g/shoot in dry weight generated 1 and 5 rhizomes, respectively. And the mean lengths of rhizome from small (below 0.5 g) and large (over 3.0 g) shoots were 13.0 ㎝ and 57.6 ㎝, respectively.

keywords: Carex kobomugi, Coastal sand dune, Density, Flowering rate, Growth properties, Rhizome, 개화율, 밀도, 생육특성, 지하경, 통보리사초, 해안사구

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Article Contents

Vol.27 No.1

Growth Properties of Carex kobomugi Ohwi

Abstract

Reference

Journal of Ecology and Environment